devices.txt
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- LINUX ALLOCATED DEVICES
- Maintained by H. Peter Anvin <device@lanana.org>
- Last revised: 3 June 2001
- This list is the Linux Device List, the official registry of allocated
- device numbers and /dev directory nodes for the Linux operating
- system.
- The latest version of this list is available from
- http://www.lanana.org/docs/device-list/ or
- ftp://ftp.kernel.org/pub/linux/docs/device-list/. This version may be
- newer than the one distributed with the Linux kernel.
- The LaTeX version of this document is no longer maintained.
- This document is included by reference into the Filesystem Hierarchy
- Standard (FHS). The FHS is available from http://www.pathname.com/fhs/.
- Allocations marked (68k/Amiga) apply to Linux/68k on the Amiga
- platform only. Allocations marked (68k/Atari) apply to Linux/68k on
- the Atari platform only.
- The symbol {2.6} means the allocation is obsolete and scheduled for
- removal once kernel version 2.6 (or equivalent) is released.
- This document is in the public domain. The author requests, however,
- that semantically altered versions are not distributed without
- permission of the author, assuming the author can be contacted without
- an unreasonable effort.
- In particular, please don't sent patches for this list to Linus, at
- least not without contacting me first.
- I do not have any information about these devices beyond what appears
- on this list. Any such information requests will be deleted without
- reply.
- **** DEVICE DRIVERS AUTHORS PLEASE READ THIS ****
- THE DEVICE REGISTRY IS OFFICIALLY FROZEN FOR LINUS TORVALDS' KERNEL
- TREE. At Linus' request, no more allocations will be made official
- for Linus' kernel tree; the 3 June 2001 version of this list is the
- official final version of this registry. At Alan Cox' request,
- however, the registry will continue to be maintained for the -ac
- series of kernels, and registrations will be accepted.
- To have a major number allocated, or a minor number in situations
- where that applies (e.g. busmice), please contact me with the
- appropriate device information. Also, if you have additional
- information regarding any of the devices listed below, or if I have
- made a mistake, I would greatly appreciate a note.
- I do, however, make a few requests about the nature of your report.
- This is necessary for me to be able to keep this list up to date and
- correct in a timely manner. First of all, *please* send it to the
- correct address... <device@lanana.org>. I receive hundreds of email
- messages a day, so mail sent to other addresses may very well get lost
- in the avalanche. Please put in a descriptive subject, so I can find
- your mail again should I need to. Too many people send me email
- saying just "device number request" in the subject.
- Second, please include a description of the device *in the same format
- as this list*. The reason for this is that it is the only way I have
- found to ensure I have all the requisite information to publish your
- device and avoid conflicts.
- Third, please don't assume that the distributed version of the list is
- up to date. Due to the number of registrations I have to maintain it
- in "batch mode", so there is likely additional registrations that
- haven't been listed yet.
- Finally, sometimes I have to play "namespace police." Please don't be
- offended. I often get submissions for /dev names that would be bound
- to cause conflicts down the road. I am trying to avoid getting in a
- situation where we would have to suffer an incompatible forward
- change. Therefore, please consult with me *before* you make your
- device names and numbers in any way public, at least to the point
- where it would be at all difficult to get them changed.
- Your cooperation is appreciated.
- 0 Unnamed devices (e.g. non-device mounts)
- 0 = reserved as null device number
- 1 char Memory devices
- 1 = /dev/mem Physical memory access
- 2 = /dev/kmem Kernel virtual memory access
- 3 = /dev/null Null device
- 4 = /dev/port I/O port access
- 5 = /dev/zero Null byte source
- 6 = /dev/core OBSOLETE - replaced by /proc/kcore
- 7 = /dev/full Returns ENOSPC on write
- 8 = /dev/random Nondeterministic random number gen.
- 9 = /dev/urandom Faster, less secure random number gen.
- 10 = /dev/aio Asyncronous I/O notification interface
- block RAM disk
- 0 = /dev/ram0 First RAM disk
- 1 = /dev/ram1 Second RAM disk
- ...
- 250 = /dev/initrd Initial RAM disk {2.6}
- Older kernels had /dev/ramdisk (1, 1) here.
- /dev/initrd refers to a RAM disk which was preloaded
- by the boot loader; newer kernels use /dev/ram0 for
- the initrd.
- 2 char Pseudo-TTY masters
- 0 = /dev/ptyp0 First PTY master
- 1 = /dev/ptyp1 Second PTY master
- ...
- 255 = /dev/ptyef 256th PTY master
- Pseudo-tty's are named as follows:
- * Masters are "pty", slaves are "tty";
- * the fourth letter is one of pqrstuvwxyzabcde indicating
- the 1st through 16th series of 16 pseudo-ttys each, and
- * the fifth letter is one of 0123456789abcdef indicating
- the position within the series.
- These are the old-style (BSD) PTY devices; Unix98
- devices are on major 128 and above and use the PTY
- master multiplex (/dev/ptmx) to acquire a PTY on
- demand.
-
- block Floppy disks
- 0 = /dev/fd0 Controller 0, drive 0, autodetect
- 1 = /dev/fd1 Controller 0, drive 1, autodetect
- 2 = /dev/fd2 Controller 0, drive 2, autodetect
- 3 = /dev/fd3 Controller 0, drive 3, autodetect
- 128 = /dev/fd4 Controller 1, drive 0, autodetect
- 129 = /dev/fd5 Controller 1, drive 1, autodetect
- 130 = /dev/fd6 Controller 1, drive 2, autodetect
- 131 = /dev/fd7 Controller 1, drive 3, autodetect
- To specify format, add to the autodetect device number:
- 0 = /dev/fd? Autodetect format
- 4 = /dev/fd?d360 5.25" 360K in a 360K drive(1)
- 20 = /dev/fd?h360 5.25" 360K in a 1200K drive(1)
- 48 = /dev/fd?h410 5.25" 410K in a 1200K drive
- 64 = /dev/fd?h420 5.25" 420K in a 1200K drive
- 24 = /dev/fd?h720 5.25" 720K in a 1200K drive
- 80 = /dev/fd?h880 5.25" 880K in a 1200K drive(1)
- 8 = /dev/fd?h1200 5.25" 1200K in a 1200K drive(1)
- 40 = /dev/fd?h1440 5.25" 1440K in a 1200K drive(1)
- 56 = /dev/fd?h1476 5.25" 1476K in a 1200K drive
- 72 = /dev/fd?h1494 5.25" 1494K in a 1200K drive
- 92 = /dev/fd?h1600 5.25" 1600K in a 1200K drive(1)
- 12 = /dev/fd?u360 3.5" 360K Double Density(2)
- 16 = /dev/fd?u720 3.5" 720K Double Density(1)
- 120 = /dev/fd?u800 3.5" 800K Double Density(2)
- 52 = /dev/fd?u820 3.5" 820K Double Density
- 68 = /dev/fd?u830 3.5" 830K Double Density
- 84 = /dev/fd?u1040 3.5" 1040K Double Density(1)
- 88 = /dev/fd?u1120 3.5" 1120K Double Density(1)
- 28 = /dev/fd?u1440 3.5" 1440K High Density(1)
- 124 = /dev/fd?u1600 3.5" 1600K High Density(1)
- 44 = /dev/fd?u1680 3.5" 1680K High Density(3)
- 60 = /dev/fd?u1722 3.5" 1722K High Density
- 76 = /dev/fd?u1743 3.5" 1743K High Density
- 96 = /dev/fd?u1760 3.5" 1760K High Density
- 116 = /dev/fd?u1840 3.5" 1840K High Density(3)
- 100 = /dev/fd?u1920 3.5" 1920K High Density(1)
- 32 = /dev/fd?u2880 3.5" 2880K Extra Density(1)
- 104 = /dev/fd?u3200 3.5" 3200K Extra Density
- 108 = /dev/fd?u3520 3.5" 3520K Extra Density
- 112 = /dev/fd?u3840 3.5" 3840K Extra Density(1)
- 36 = /dev/fd?CompaQ Compaq 2880K drive; obsolete?
- (1) Autodetectable format
- (2) Autodetectable format in a Double Density (720K) drive only
- (3) Autodetectable format in a High Density (1440K) drive only
- NOTE: The letter in the device name (d, q, h or u)
- signifies the type of drive: 5.25" Double Density (d),
- 5.25" Quad Density (q), 5.25" High Density (h) or 3.5"
- (any model, u). The use of the capital letters D, H
- and E for the 3.5" models have been deprecated, since
- the drive type is insignificant for these devices.
- 3 char Pseudo-TTY slaves
- 0 = /dev/ttyp0 First PTY slave
- 1 = /dev/ttyp1 Second PTY slave
- ...
- 255 = /dev/ttyef 256th PTY slave
- These are the old-style (BSD) PTY devices; Unix98
- devices are on major 136 and above.
- block First MFM, RLL and IDE hard disk/CD-ROM interface
- 0 = /dev/hda Master: whole disk (or CD-ROM)
- 64 = /dev/hdb Slave: whole disk (or CD-ROM)
- For partitions, add to the whole disk device number:
- 0 = /dev/hd? Whole disk
- 1 = /dev/hd?1 First partition
- 2 = /dev/hd?2 Second partition
- ...
- 63 = /dev/hd?63 63rd partition
- For Linux/i386, partitions 1-4 are the primary
- partitions, and 5 and above are logical partitions.
- Other versions of Linux use partitioning schemes
- appropriate to their respective architectures.
- 4 char TTY devices
- 0 = /dev/tty0 Current virtual console
- 1 = /dev/tty1 First virtual console
- ...
- 63 = /dev/tty63 63rd virtual console
- 64 = /dev/ttyS0 First UART serial port
- ...
- 255 = /dev/ttyS191 192nd UART serial port
- UART serial ports refer to 8250/16450/16550 series devices.
- Older versions of the Linux kernel used this major
- number for BSD PTY devices. As of Linux 2.1.115, this
- is no longer supported. Use major numbers 2 and 3.
- 5 char Alternate TTY devices
- 0 = /dev/tty Current TTY device
- 1 = /dev/console System console
- 2 = /dev/ptmx PTY master multiplex
- 64 = /dev/cua0 Callout device for ttyS0
- ...
- 255 = /dev/cua191 Callout device for ttyS191
- (5,1) is /dev/console starting with Linux 2.1.71. See
- the section on terminal devices for more information
- on /dev/console.
- 6 char Parallel printer devices
- 0 = /dev/lp0 Parallel printer on parport0
- 1 = /dev/lp1 Parallel printer on parport1
- ...
- Current Linux kernels no longer have a fixed mapping
- between parallel ports and I/O addresses. Instead,
- they are redirected through the parport multiplex layer.
- 7 char Virtual console capture devices
- 0 = /dev/vcs Current vc text contents
- 1 = /dev/vcs1 tty1 text contents
- ...
- 63 = /dev/vcs63 tty63 text contents
- 128 = /dev/vcsa Current vc text/attribute contents
- 129 = /dev/vcsa1 tty1 text/attribute contents
- ...
- 191 = /dev/vcsa63 tty63 text/attribute contents
-
- NOTE: These devices permit both read and write access.
- block Loopback devices
- 0 = /dev/loop0 First loopback device
- 1 = /dev/loop1 Second loopback device
- ...
- The loopback devices are used to mount filesystems not
- associated with block devices. The binding to the
- loopback devices is handled by mount(8) or losetup(8).
- 8 block SCSI disk devices (0-15)
- 0 = /dev/sda First SCSI disk whole disk
- 16 = /dev/sdb Second SCSI disk whole disk
- 32 = /dev/sdc Third SCSI disk whole disk
- ...
- 240 = /dev/sdp Sixteenth SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 9 char SCSI tape devices
- 0 = /dev/st0 First SCSI tape, mode 0
- 1 = /dev/st1 Second SCSI tape, mode 0
- ...
- 32 = /dev/st0l First SCSI tape, mode 1
- 33 = /dev/st1l Second SCSI tape, mode 1
- ...
- 64 = /dev/st0m First SCSI tape, mode 2
- 65 = /dev/st1m Second SCSI tape, mode 2
- ...
- 96 = /dev/st0a First SCSI tape, mode 3
- 97 = /dev/st1a Second SCSI tape, mode 3
- ...
- 128 = /dev/nst0 First SCSI tape, mode 0, no rewind
- 129 = /dev/nst1 Second SCSI tape, mode 0, no rewind
- ...
- 160 = /dev/nst0l First SCSI tape, mode 1, no rewind
- 161 = /dev/nst1l Second SCSI tape, mode 1, no rewind
- ...
- 192 = /dev/nst0m First SCSI tape, mode 2, no rewind
- 193 = /dev/nst1m Second SCSI tape, mode 2, no rewind
- ...
- 224 = /dev/nst0a First SCSI tape, mode 3, no rewind
- 225 = /dev/nst1a Second SCSI tape, mode 3, no rewind
- ...
- "No rewind" refers to the omission of the default
- automatic rewind on device close. The MTREW or MTOFFL
- ioctl()'s can be used to rewind the tape regardless of
- the device used to access it.
- block Metadisk (RAID) devices
- 0 = /dev/md0 First metadisk group
- 1 = /dev/md1 Second metadisk group
- ...
- The metadisk driver is used to span a
- filesystem across multiple physical disks.
- 10 char Non-serial mice, misc features
- 0 = /dev/logibm Logitech bus mouse
- 1 = /dev/psaux PS/2-style mouse port
- 2 = /dev/inportbm Microsoft Inport bus mouse
- 3 = /dev/atibm ATI XL bus mouse
- 4 = /dev/jbm J-mouse
- 4 = /dev/amigamouse Amiga mouse (68k/Amiga)
- 5 = /dev/atarimouse Atari mouse
- 6 = /dev/sunmouse Sun mouse
- 7 = /dev/amigamouse1 Second Amiga mouse
- 8 = /dev/smouse Simple serial mouse driver
- 9 = /dev/pc110pad IBM PC-110 digitizer pad
- 10 = /dev/adbmouse Apple Desktop Bus mouse
- 11 = /dev/vrtpanel Vr41xx embedded touch panel
- 13 = /dev/vpcmouse Connectix Virtual PC Mouse
- 14 = /dev/touchscreen/ucb1x00 UCB 1x00 touchscreen
- 15 = /dev/touchscreen/mk712 MK712 touchscreen
- 128 = /dev/beep Fancy beep device
- 129 = /dev/modreq Kernel module load request {2.6}
- 130 = /dev/watchdog Watchdog timer port
- 131 = /dev/temperature Machine internal temperature
- 132 = /dev/hwtrap Hardware fault trap
- 133 = /dev/exttrp External device trap
- 134 = /dev/apm_bios Advanced Power Management BIOS
- 135 = /dev/rtc Real Time Clock
- 139 = /dev/openprom SPARC OpenBoot PROM
- 140 = /dev/relay8 Berkshire Products Octal relay card
- 141 = /dev/relay16 Berkshire Products ISO-16 relay card
- 142 = /dev/msr x86 model-specific registers {2.6}
- 143 = /dev/pciconf PCI configuration space
- 144 = /dev/nvram Non-volatile configuration RAM
- 145 = /dev/hfmodem Soundcard shortwave modem control {2.6}
- 146 = /dev/graphics Linux/SGI graphics device
- 147 = /dev/opengl Linux/SGI OpenGL pipe
- 148 = /dev/gfx Linux/SGI graphics effects device
- 149 = /dev/input/mouse Linux/SGI Irix emulation mouse
- 150 = /dev/input/keyboard Linux/SGI Irix emulation keyboard
- 151 = /dev/led Front panel LEDs
- 153 = /dev/mergemem Memory merge device
- 154 = /dev/pmu Macintosh PowerBook power manager
- 155 = /dev/isictl MultiTech ISICom serial control
- 156 = /dev/lcd Front panel LCD display
- 157 = /dev/ac Applicom Intl Profibus card
- 158 = /dev/nwbutton Netwinder external button
- 159 = /dev/nwdebug Netwinder debug interface
- 160 = /dev/nwflash Netwinder flash memory
- 161 = /dev/userdma User-space DMA access
- 162 = /dev/smbus System Management Bus
- 163 = /dev/lik Logitech Internet Keyboard
- 164 = /dev/ipmo Intel Intelligent Platform Management
- 165 = /dev/vmmon VMWare virtual machine monitor
- 166 = /dev/i2o/ctl I2O configuration manager
- 167 = /dev/specialix_sxctl Specialix serial control
- 168 = /dev/tcldrv Technology Concepts serial control
- 169 = /dev/specialix_rioctl Specialix RIO serial control
- 170 = /dev/smapi IBM Thinkpad SMAPI
- 171 = /dev/srripc QNX4 API IPC manager
- 172 = /dev/usemaclone Semaphore clone device
- 173 = /dev/ipmikcs Intelligent Platform Management
- 174 = /dev/uctrl SPARCbook 3 microcontroller
- 175 = /dev/agpgart AGP Graphics Address Remapping Table
- 176 = /dev/gtrsc Gorgy Timing radio clock
- 177 = /dev/cbm Serial CBM bus
- 178 = /dev/jsflash JavaStation OS flash SIMM
- 179 = /dev/xsvc High-speed shared-mem/semaphore service
- 180 = /dev/vrbuttons Vr41xx button input device
- 181 = /dev/toshiba Toshiba laptop SMM support
- 182 = /dev/perfctr Performance-monitoring counters
- 183 = /dev/intel_rng Intel i8x0 random number generator
- 184 = /dev/cpu/microcode CPU microcode update interface
- 186 = /dev/atomicps Atomic shapshot of process state data
- 187 = /dev/irnet IrNET device
- 188 = /dev/smbusbios SMBus BIOS
- 189 = /dev/ussp_ctl User space serial port control
- 190 = /dev/crash Mission Critical Linux crash dump facility
- 191 = /dev/pcl181 <information missing>
- 192 = /dev/nas_xbus NAS xbus LCD/buttons access
- 193 = /dev/d7s SPARC 7-segment display
- 194 = /dev/zkshim Zero-Knowledge network shim control
- 195 = /dev/elographics/e2201 Elographics touchscreen E271-2201
- 198 = /dev/sexec Signed executable interface
- 199 = /dev/scanners/cuecat :CueCat barcode scanner
- 200 = /dev/net/tun TAP/TUN network device
- 201 = /dev/button/gulpb Transmeta GULP-B buttons
- 204 = /dev/video/em8300 EM8300 DVD decoder control
- 205 = /dev/video/em8300_mv EM8300 DVD decoder video
- 206 = /dev/video/em8300_ma EM8300 DVD decoder audio
- 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture
- 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller
- 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver
- 210 = /dev/impi/bt IMPI coprocessor block transfer
- 211 = /dev/impi/smic IMPI coprocessor stream interface
- 212 = /dev/watchdogs/0 First watchdog device
- 213 = /dev/watchdogs/1 Second watchdog device
- 214 = /dev/watchdogs/2 Third watchdog device
- 215 = /dev/watchdogs/3 Fourth watchdog device
- 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel
- 217 = /dev/ni/natmotn National Instruments Motion
- 218 = /dev/kchuid Inter-process chuid control
- 219 = /dev/modems/mwave MWave modem firmware upload
- 220 = /dev/mptctl Message passing technology (MPT) control
- 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver
- 222 = /dev/mvista/hasi Montavista PICMG high availability
- 240-255 Reserved for local use
- 11 char Raw keyboard device
- 0 = /dev/kbd Raw keyboard device
- The raw keyboard device is used on Linux/SPARC only.
- block SCSI CD-ROM devices
- 0 = /dev/sr0 First SCSI CD-ROM
- 1 = /dev/sr1 Second SCSI CD-ROM
- ...
- The prefix /dev/scd instead of /dev/sr has been used
- as well, and might make more sense.
- 12 char QIC-02 tape
- 2 = /dev/ntpqic11 QIC-11, no rewind-on-close
- 3 = /dev/tpqic11 QIC-11, rewind-on-close
- 4 = /dev/ntpqic24 QIC-24, no rewind-on-close
- 5 = /dev/tpqic24 QIC-24, rewind-on-close
- 6 = /dev/ntpqic120 QIC-120, no rewind-on-close
- 7 = /dev/tpqic120 QIC-120, rewind-on-close
- 8 = /dev/ntpqic150 QIC-150, no rewind-on-close
- 9 = /dev/tpqic150 QIC-150, rewind-on-close
- The device names specified are proposed -- if there
- are "standard" names for these devices, please let me know.
- block MSCDEX CD-ROM callback support {2.6}
- 0 = /dev/dos_cd0 First MSCDEX CD-ROM
- 1 = /dev/dos_cd1 Second MSCDEX CD-ROM
- ...
- 13 char Input core
- 0 = /dev/input/js0 First joystick
- 1 = /dev/input/js1 Second joystick
- ...
- 32 = /dev/input/mouse0 First mouse
- 33 = /dev/input/mouse1 Second mouse
- ...
- 63 = /dev/input/mice Unified mouse
- 64 = /dev/input/event0 First event queue
- 65 = /dev/input/event1 Second event queue
- ...
- Each device type has 5 bits (32 minors).
- block 8-bit MFM/RLL/IDE controller
- 0 = /dev/xda First XT disk whole disk
- 64 = /dev/xdb Second XT disk whole disk
- Partitions are handled in the same way as IDE disks
- (see major number 3).
- 14 char Open Sound System (OSS)
- 0 = /dev/mixer Mixer control
- 1 = /dev/sequencer Audio sequencer
- 2 = /dev/midi00 First MIDI port
- 3 = /dev/dsp Digital audio
- 4 = /dev/audio Sun-compatible digital audio
- 6 = /dev/sndstat Sound card status information {2.6}
- 7 = /dev/audioctl SPARC audio control device
- 8 = /dev/sequencer2 Sequencer -- alternate device
- 16 = /dev/mixer1 Second soundcard mixer control
- 17 = /dev/patmgr0 Sequencer patch manager
- 18 = /dev/midi01 Second MIDI port
- 19 = /dev/dsp1 Second soundcard digital audio
- 20 = /dev/audio1 Second soundcard Sun digital audio
- 33 = /dev/patmgr1 Sequencer patch manager
- 34 = /dev/midi02 Third MIDI port
- 50 = /dev/midi03 Fourth MIDI port
- block BIOS harddrive callback support {2.6}
- 0 = /dev/dos_hda First BIOS harddrive whole disk
- 64 = /dev/dos_hdb Second BIOS harddrive whole disk
- 128 = /dev/dos_hdc Third BIOS harddrive whole disk
- 192 = /dev/dos_hdd Fourth BIOS harddrive whole disk
- Partitions are handled in the same way as IDE disks
- (see major number 3).
- 15 char Joystick
- 0 = /dev/js0 First analog joystick
- 1 = /dev/js1 Second analog joystick
- ...
- 128 = /dev/djs0 First digital joystick
- 129 = /dev/djs1 Second digital joystick
- ...
- block Sony CDU-31A/CDU-33A CD-ROM
- 0 = /dev/sonycd Sony CDU-31a CD-ROM
- 16 char Non-SCSI scanners
- 0 = /dev/gs4500 Genius 4500 handheld scanner
- block GoldStar CD-ROM
- 0 = /dev/gscd GoldStar CD-ROM
- 17 char Chase serial card
- 0 = /dev/ttyH0 First Chase port
- 1 = /dev/ttyH1 Second Chase port
- ...
- block Optics Storage CD-ROM
- 0 = /dev/optcd Optics Storage CD-ROM
- 18 char Chase serial card - alternate devices
- 0 = /dev/cuh0 Callout device for ttyH0
- 1 = /dev/cuh1 Callout device for ttyH1
- ...
- block Sanyo CD-ROM
- 0 = /dev/sjcd Sanyo CD-ROM
- 19 char Cyclades serial card
- 0 = /dev/ttyC0 First Cyclades port
- ...
- 31 = /dev/ttyC31 32nd Cyclades port
- block "Double" compressed disk
- 0 = /dev/double0 First compressed disk
- ...
- 7 = /dev/double7 Eighth compressed disk
- 128 = /dev/cdouble0 Mirror of first compressed disk
- ...
- 135 = /dev/cdouble7 Mirror of eighth compressed disk
- See the Double documentation for the meaning of the
- mirror devices.
- 20 char Cyclades serial card - alternate devices
- 0 = /dev/cub0 Callout device for ttyC0
- ...
- 31 = /dev/cub31 Callout device for ttyC31
- block Hitachi CD-ROM (under development)
- 0 = /dev/hitcd Hitachi CD-ROM
- 21 char Generic SCSI access
- 0 = /dev/sg0 First generic SCSI device
- 1 = /dev/sg1 Second generic SCSI device
- ...
- Most distributions name these /dev/sga, /dev/sgb...;
- this sets an unnecessary limit of 26 SCSI devices in
- the system and is counter to standard Linux
- device-naming practice.
- block Acorn MFM hard drive interface
- 0 = /dev/mfma First MFM drive whole disk
- 64 = /dev/mfmb Second MFM drive whole disk
- This device is used on the ARM-based Acorn RiscPC.
- Partitions are handled the same way as for IDE disks
- (see major number 3).
- 22 char Digiboard serial card
- 0 = /dev/ttyD0 First Digiboard port
- 1 = /dev/ttyD1 Second Digiboard port
- ...
- block Second IDE hard disk/CD-ROM interface
- 0 = /dev/hdc Master: whole disk (or CD-ROM)
- 64 = /dev/hdd Slave: whole disk (or CD-ROM)
-
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 23 char Digiboard serial card - alternate devices
- 0 = /dev/cud0 Callout device for ttyD0
- 1 = /dev/cud1 Callout device for ttyD1
- ...
- block Mitsumi proprietary CD-ROM
- 0 = /dev/mcd Mitsumi CD-ROM
- 24 char Stallion serial card
- 0 = /dev/ttyE0 Stallion port 0 card 0
- 1 = /dev/ttyE1 Stallion port 1 card 0
- ...
- 64 = /dev/ttyE64 Stallion port 0 card 1
- 65 = /dev/ttyE65 Stallion port 1 card 1
- ...
- 128 = /dev/ttyE128 Stallion port 0 card 2
- 129 = /dev/ttyE129 Stallion port 1 card 2
- ...
- 192 = /dev/ttyE192 Stallion port 0 card 3
- 193 = /dev/ttyE193 Stallion port 1 card 3
- ...
- block Sony CDU-535 CD-ROM
- 0 = /dev/cdu535 Sony CDU-535 CD-ROM
- 25 char Stallion serial card - alternate devices
- 0 = /dev/cue0 Callout device for ttyE0
- 1 = /dev/cue1 Callout device for ttyE1
- ...
- 64 = /dev/cue64 Callout device for ttyE64
- 65 = /dev/cue65 Callout device for ttyE65
- ...
- 128 = /dev/cue128 Callout device for ttyE128
- 129 = /dev/cue129 Callout device for ttyE129
- ...
- 192 = /dev/cue192 Callout device for ttyE192
- 193 = /dev/cue193 Callout device for ttyE193
- ...
- block First Matsushita (Panasonic/SoundBlaster) CD-ROM
- 0 = /dev/sbpcd0 Panasonic CD-ROM controller 0 unit 0
- 1 = /dev/sbpcd1 Panasonic CD-ROM controller 0 unit 1
- 2 = /dev/sbpcd2 Panasonic CD-ROM controller 0 unit 2
- 3 = /dev/sbpcd3 Panasonic CD-ROM controller 0 unit 3
- 26 char Quanta WinVision frame grabber {2.6}
- 0 = /dev/wvisfgrab Quanta WinVision frame grabber
- block Second Matsushita (Panasonic/SoundBlaster) CD-ROM
- 0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0
- 1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1
- 2 = /dev/sbpcd6 Panasonic CD-ROM controller 1 unit 2
- 3 = /dev/sbpcd7 Panasonic CD-ROM controller 1 unit 3
- 27 char QIC-117 tape
- 0 = /dev/qft0 Unit 0, rewind-on-close
- 1 = /dev/qft1 Unit 1, rewind-on-close
- 2 = /dev/qft2 Unit 2, rewind-on-close
- 3 = /dev/qft3 Unit 3, rewind-on-close
- 4 = /dev/nqft0 Unit 0, no rewind-on-close
- 5 = /dev/nqft1 Unit 1, no rewind-on-close
- 6 = /dev/nqft2 Unit 2, no rewind-on-close
- 7 = /dev/nqft3 Unit 3, no rewind-on-close
- 16 = /dev/zqft0 Unit 0, rewind-on-close, compression
- 17 = /dev/zqft1 Unit 1, rewind-on-close, compression
- 18 = /dev/zqft2 Unit 2, rewind-on-close, compression
- 19 = /dev/zqft3 Unit 3, rewind-on-close, compression
- 20 = /dev/nzqft0 Unit 0, no rewind-on-close, compression
- 21 = /dev/nzqft1 Unit 1, no rewind-on-close, compression
- 22 = /dev/nzqft2 Unit 2, no rewind-on-close, compression
- 23 = /dev/nzqft3 Unit 3, no rewind-on-close, compression
- 32 = /dev/rawqft0 Unit 0, rewind-on-close, no file marks
- 33 = /dev/rawqft1 Unit 1, rewind-on-close, no file marks
- 34 = /dev/rawqft2 Unit 2, rewind-on-close, no file marks
- 35 = /dev/rawqft3 Unit 3, rewind-on-close, no file marks
- 36 = /dev/nrawqft0 Unit 0, no rewind-on-close, no file marks
- 37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks
- 38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks
- 39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks
- block Third Matsushita (Panasonic/SoundBlaster) CD-ROM
- 0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0
- 1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1
- 2 = /dev/sbpcd10 Panasonic CD-ROM controller 2 unit 2
- 3 = /dev/sbpcd11 Panasonic CD-ROM controller 2 unit 3
- 28 char Stallion serial card - card programming
- 0 = /dev/staliomem0 First Stallion card I/O memory
- 1 = /dev/staliomem1 Second Stallion card I/O memory
- 2 = /dev/staliomem2 Third Stallion card I/O memory
- 3 = /dev/staliomem3 Fourth Stallion card I/O memory
- char Atari SLM ACSI laser printer (68k/Atari)
- 0 = /dev/slm0 First SLM laser printer
- 1 = /dev/slm1 Second SLM laser printer
- ...
- block Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM
- 0 = /dev/sbpcd12 Panasonic CD-ROM controller 3 unit 0
- 1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1
- 2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2
- 3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3
- block ACSI disk (68k/Atari)
- 0 = /dev/ada First ACSI disk whole disk
- 16 = /dev/adb Second ACSI disk whole disk
- 32 = /dev/adc Third ACSI disk whole disk
- ...
- 240 = /dev/adp 16th ACSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15, like SCSI.
- 29 char Universal frame buffer
- 0 = /dev/fb0 First frame buffer
- 1 = /dev/fb1 Second frame buffer
- ...
- 31 = /dev/fb31 32nd frame buffer
- For backwards compatibility {2.6} the following
- progression is also handled by current kernels:
- 0 = /dev/fb0
- 32 = /dev/fb1
- ...
- 224 = /dev/fb7
- block Aztech/Orchid/Okano/Wearnes CD-ROM
- 0 = /dev/aztcd Aztech CD-ROM
- 30 char iBCS-2 compatibility devices
- 0 = /dev/socksys Socket access
- 1 = /dev/spx SVR3 local X interface
- 2 = /dev/inet/arp Network access
- 2 = /dev/inet/icmp Network access
- 2 = /dev/inet/ip Network access
- 2 = /dev/inet/udp Network access
- 2 = /dev/inet/tcp Network access
- Additionally, iBCS-2 requires /dev/nfsd to be a link
- to /dev/socksys, and /dev/X0R to be a link to
- /dev/null.
- block Philips LMS CM-205 CD-ROM
- 0 = /dev/cm205cd Philips LMS CM-205 CD-ROM
- /dev/lmscd is an older name for this device. This
- driver does not work with the CM-205MS CD-ROM.
- 31 char MPU-401 MIDI
- 0 = /dev/mpu401data MPU-401 data port
- 1 = /dev/mpu401stat MPU-401 status port
- block ROM/flash memory card
- 0 = /dev/rom0 First ROM card (rw)
- ...
- 7 = /dev/rom7 Eighth ROM card (rw)
- 8 = /dev/rrom0 First ROM card (ro)
- ...
- 15 = /dev/rrom7 Eighth ROM card (ro)
- 16 = /dev/flash0 First flash memory card (rw)
- ...
- 23 = /dev/flash7 Eighth flash memory card (rw)
- 24 = /dev/rflash0 First flash memory card (ro)
- ...
- 31 = /dev/rflash7 Eighth flash memory card (ro)
- The read-write (rw) devices support back-caching
- written data in RAM, as well as writing to flash RAM
- devices. The read-only devices (ro) support reading
- only.
- 32 char Specialix serial card
- 0 = /dev/ttyX0 First Specialix port
- 1 = /dev/ttyX1 Second Specialix port
- ...
- block Philips LMS CM-206 CD-ROM
- 0 = /dev/cm206cd Philips LMS CM-206 CD-ROM
- 33 char Specialix serial card - alternate devices
- 0 = /dev/cux0 Callout device for ttyX0
- 1 = /dev/cux1 Callout device for ttyX1
- ...
- block Third IDE hard disk/CD-ROM interface
- 0 = /dev/hde Master: whole disk (or CD-ROM)
- 64 = /dev/hdf Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 34 char Z8530 HDLC driver
- 0 = /dev/scc0 First Z8530, first port
- 1 = /dev/scc1 First Z8530, second port
- 2 = /dev/scc2 Second Z8530, first port
- 3 = /dev/scc3 Second Z8530, second port
- ...
- In a previous version these devices were named
- /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so
- on.
- block Fourth IDE hard disk/CD-ROM interface
- 0 = /dev/hdg Master: whole disk (or CD-ROM)
- 64 = /dev/hdh Slave: whole disk (or CD-ROM)
-
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 35 char tclmidi MIDI driver
- 0 = /dev/midi0 First MIDI port, kernel timed
- 1 = /dev/midi1 Second MIDI port, kernel timed
- 2 = /dev/midi2 Third MIDI port, kernel timed
- 3 = /dev/midi3 Fourth MIDI port, kernel timed
- 64 = /dev/rmidi0 First MIDI port, untimed
- 65 = /dev/rmidi1 Second MIDI port, untimed
- 66 = /dev/rmidi2 Third MIDI port, untimed
- 67 = /dev/rmidi3 Fourth MIDI port, untimed
- 128 = /dev/smpte0 First MIDI port, SMPTE timed
- 129 = /dev/smpte1 Second MIDI port, SMPTE timed
- 130 = /dev/smpte2 Third MIDI port, SMPTE timed
- 131 = /dev/smpte3 Fourth MIDI port, SMPTE timed
- block Slow memory ramdisk
- 0 = /dev/slram Slow memory ramdisk
- 36 char Netlink support
- 0 = /dev/route Routing, device updates, kernel to user
- 1 = /dev/skip enSKIP security cache control
- 3 = /dev/fwmonitor Firewall packet copies
- 16 = /dev/tap0 First Ethertap device
- ...
- 31 = /dev/tap15 16th Ethertap device
- block MCA ESDI hard disk
- 0 = /dev/eda First ESDI disk whole disk
- 64 = /dev/edb Second ESDI disk whole disk
- ...
- Partitions are handled in the same way as IDE disks
- (see major number 3).
- 37 char IDE tape
- 0 = /dev/ht0 First IDE tape
- 1 = /dev/ht1 Second IDE tape
- ...
- 128 = /dev/nht0 First IDE tape, no rewind-on-close
- 129 = /dev/nht1 Second IDE tape, no rewind-on-close
- ...
- Currently, only one IDE tape drive is supported.
- block Zorro II ramdisk
- 0 = /dev/z2ram Zorro II ramdisk
- 38 char Myricom PCI Myrinet board
- 0 = /dev/mlanai0 First Myrinet board
- 1 = /dev/mlanai1 Second Myrinet board
- ...
- This device is used for status query, board control
- and "user level packet I/O." This board is also
- accessible as a standard networking "eth" device.
- block Reserved for Linux/AP+
- 39 char ML-16P experimental I/O board
- 0 = /dev/ml16pa-a0 First card, first analog channel
- 1 = /dev/ml16pa-a1 First card, second analog channel
- ...
- 15 = /dev/ml16pa-a15 First card, 16th analog channel
- 16 = /dev/ml16pa-d First card, digital lines
- 17 = /dev/ml16pa-c0 First card, first counter/timer
- 18 = /dev/ml16pa-c1 First card, second counter/timer
- 19 = /dev/ml16pa-c2 First card, third counter/timer
- 32 = /dev/ml16pb-a0 Second card, first analog channel
- 33 = /dev/ml16pb-a1 Second card, second analog channel
- ...
- 47 = /dev/ml16pb-a15 Second card, 16th analog channel
- 48 = /dev/ml16pb-d Second card, digital lines
- 49 = /dev/ml16pb-c0 Second card, first counter/timer
- 50 = /dev/ml16pb-c1 Second card, second counter/timer
- 51 = /dev/ml16pb-c2 Second card, third counter/timer
- ...
- block Reserved for Linux/AP+
- 40 char Matrox Meteor frame grabber {2.6}
- 0 = /dev/mmetfgrab Matrox Meteor frame grabber
- block Syquest EZ135 parallel port removable drive
- 0 = /dev/eza Parallel EZ135 drive, whole disk
- This device is obsolete and will be removed in a
- future version of Linux. It has been replaced with
- the parallel port IDE disk driver at major number 45.
- Partitions are handled in the same way as IDE disks
- (see major number 3).
- 41 char Yet Another Micro Monitor
- 0 = /dev/yamm Yet Another Micro Monitor
- block MicroSolutions BackPack parallel port CD-ROM
- 0 = /dev/bpcd BackPack CD-ROM
- This device is obsolete and will be removed in a
- future version of Linux. It has been replaced with
- the parallel port ATAPI CD-ROM driver at major number 46.
- 42 Demo/sample use
- This number is intended for use in sample code, as
- well as a general "example" device number. It
- should never be used for a device driver that is being
- distributed; either obtain an official number or use
- the local/experimental range. The sudden addition or
- removal of a driver with this number should not cause
- ill effects to the system (bugs excepted.)
- IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A
- DEVICE DRIVER USING MAJOR NUMBER 42 IS NONCOMPLIANT.
- 43 char isdn4linux virtual modem
- 0 = /dev/ttyI0 First virtual modem
- ...
- 63 = /dev/ttyI63 64th virtual modem
- block Network block devices
- 0 = /dev/nb0 First network block device
- 1 = /dev/nb1 Second network block device
- ...
- Network Block Device is somehow similar to loopback
- devices: If you read from it, it sends packet accross
- network asking server for data. If you write to it, it
- sends packet telling server to write. It could be used
- to mounting filesystems over the net, swapping over
- the net, implementing block device in userland etc.
- 44 char isdn4linux virtual modem - alternate devices
- 0 = /dev/cui0 Callout device for ttyI0
- ...
- 63 = /dev/cui63 Callout device for ttyI63
- block Flash Translatio Layer (FTL) filesystems
- 0 = /dev/ftla FTL on first Memory Technology Device
- 16 = /dev/ftlb FTL on second Memory Technology Device
- 32 = /dev/ftlc FTL on third Memory Technology Device
- ...
- 240 = /dev/ftlp FTL on 16th Memory Technology Device
- Partitions are handled in the same way as for IDE
- disks (see major number 3) expect that the partition
- limit is 15 rather than 63 per disk (same as SCSI.)
- 45 char isdn4linux ISDN BRI driver
- 0 = /dev/isdn0 First virtual B channel raw data
- ...
- 63 = /dev/isdn63 64th virtual B channel raw data
- 64 = /dev/isdnctrl0 First channel control/debug
- ...
- 127 = /dev/isdnctrl63 64th channel control/debug
- 128 = /dev/ippp0 First SyncPPP device
- ...
- 191 = /dev/ippp63 64th SyncPPP device
- 255 = /dev/isdninfo ISDN monitor interface
- block Parallel port IDE disk devices
- 0 = /dev/pda First parallel port IDE disk
- 16 = /dev/pdb Second parallel port IDE disk
- 32 = /dev/pdc Third parallel port IDE disk
- 48 = /dev/pdd Fourth parallel port IDE disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the partition
- limit is 15 rather than 63 per disk.
- 46 char Comtrol Rocketport serial card
- 0 = /dev/ttyR0 First Rocketport port
- 1 = /dev/ttyR1 Second Rocketport port
- ...
- block Parallel port ATAPI CD-ROM devices
- 0 = /dev/pcd0 First parallel port ATAPI CD-ROM
- 1 = /dev/pcd1 Second parallel port ATAPI CD-ROM
- 2 = /dev/pcd2 Third parallel port ATAPI CD-ROM
- 3 = /dev/pcd3 Fourth parallel port ATAPI CD-ROM
- 47 char Comtrol Rocketport serial card - alternate devices
- 0 = /dev/cur0 Callout device for ttyR0
- 1 = /dev/cur1 Callout device for ttyR1
- ...
- block Parallel port ATAPI disk devices
- 0 = /dev/pf0 First parallel port ATAPI disk
- 1 = /dev/pf1 Second parallel port ATAPI disk
- 2 = /dev/pf2 Third parallel port ATAPI disk
- 3 = /dev/pf3 Fourth parallel port ATAPI disk
- This driver is intended for floppy disks and similar
- devices and hence does not support partitioning.
- 48 char SDL RISCom serial card
- 0 = /dev/ttyL0 First RISCom port
- 1 = /dev/ttyL1 Second RISCom port
- ...
- block Mylex DAC960 PCI RAID controller; first controller
- 0 = /dev/rd/c0d0 First disk, whole disk
- 8 = /dev/rd/c0d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c0d31 32nd disk, whole disk
- For partitions add:
- 0 = /dev/rd/c?d? Whole disk
- 1 = /dev/rd/c?d?p1 First partition
- ...
- 7 = /dev/rd/c?d?p7 Seventh partition
- 49 char SDL RISCom serial card - alternate devices
- 0 = /dev/cul0 Callout device for ttyL0
- 1 = /dev/cul1 Callout device for ttyL1
- ...
- block Mylex DAC960 PCI RAID controller; second controller
- 0 = /dev/rd/c1d0 First disk, whole disk
- 8 = /dev/rd/c1d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c1d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 50 char Reserved for GLINT
- block Mylex DAC960 PCI RAID controller; third controller
- 0 = /dev/rd/c2d0 First disk, whole disk
- 8 = /dev/rd/c2d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c2d31 32nd disk, whole disk
- 51 char Baycom radio modem
- 0 = /dev/bc0 First Baycom radio modem
- 1 = /dev/bc1 Second Baycom radio modem
- ...
- block Mylex DAC960 PCI RAID controller; fourth controller
- 0 = /dev/rd/c3d0 First disk, whole disk
- 8 = /dev/rd/c3d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c3d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 52 char Spellcaster DataComm/BRI ISDN card
- 0 = /dev/dcbri0 First DataComm card
- 1 = /dev/dcbri1 Second DataComm card
- 2 = /dev/dcbri2 Third DataComm card
- 3 = /dev/dcbri3 Fourth DataComm card
- block Mylex DAC960 PCI RAID controller; fifth controller
- 0 = /dev/rd/c4d0 First disk, whole disk
- 8 = /dev/rd/c4d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c4d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 53 char BDM interface for remote debugging MC683xx microcontrollers
- 0 = /dev/pd_bdm0 PD BDM interface on lp0
- 1 = /dev/pd_bdm1 PD BDM interface on lp1
- 2 = /dev/pd_bdm2 PD BDM interface on lp2
- 4 = /dev/icd_bdm0 ICD BDM interface on lp0
- 5 = /dev/icd_bdm1 ICD BDM interface on lp1
- 6 = /dev/icd_bdm2 ICD BDM interface on lp2
- This device is used for the interfacing to the MC683xx
- microcontrollers via Background Debug Mode by use of a
- Parallel Port interface. PD is the Motorola Public
- Domain Interface and ICD is the commercial interface
- by P&E.
- block Mylex DAC960 PCI RAID controller; sixth controller
- 0 = /dev/rd/c5d0 First disk, whole disk
- 8 = /dev/rd/c5d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c5d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 54 char Electrocardiognosis Holter serial card
- 0 = /dev/holter0 First Holter port
- 1 = /dev/holter1 Second Holter port
- 2 = /dev/holter2 Third Holter port
- A custom serial card used by Electrocardiognosis SRL
- <mseritan@ottonel.pub.ro> to transfer data from Holter
- 24-hour heart monitoring equipment.
- block Mylex DAC960 PCI RAID controller; seventh controller
- 0 = /dev/rd/c6d0 First disk, whole disk
- 8 = /dev/rd/c6d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c6d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 55 char DSP56001 digital signal processor
- 0 = /dev/dsp56k First DSP56001
- block Mylex DAC960 PCI RAID controller; eigth controller
- 0 = /dev/rd/c7d0 First disk, whole disk
- 8 = /dev/rd/c7d1 Second disk, whole disk
- ...
- 248 = /dev/rd/c7d31 32nd disk, whole disk
- Partitions are handled as for major 48.
- 56 char Apple Desktop Bus
- 0 = /dev/adb ADB bus control
- Additional devices will be added to this number, all
- starting with /dev/adb.
- block Fifth IDE hard disk/CD-ROM interface
- 0 = /dev/hdi Master: whole disk (or CD-ROM)
- 64 = /dev/hdj Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 57 char Hayes ESP serial card
- 0 = /dev/ttyP0 First ESP port
- 1 = /dev/ttyP1 Second ESP port
- ...
- block Sixth IDE hard disk/CD-ROM interface
- 0 = /dev/hdk Master: whole disk (or CD-ROM)
- 64 = /dev/hdl Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 58 char Hayes ESP serial card - alternate devices
- 0 = /dev/cup0 Callout device for ttyP0
- 1 = /dev/cup1 Callout device for ttyP1
- ...
- block Reserved for logical volume manager
- 59 char sf firewall package
- 0 = /dev/firewall Communication with sf kernel module
- block Generic PDA filesystem device
- 0 = /dev/pda0 First PDA device
- 1 = /dev/pda1 Second PDA device
- ...
- The pda devices are used to mount filesystems on
- remote pda's (basically slow handheld machines with
- proprietary OS's and limited memory and storage
- running small fs translation drivers) through serial /
- IRDA / parallel links.
- NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc
- 60-63 LOCAL/EXPERIMENTAL USE
- Allocated for local/experimental use. For devices not
- assigned official numbers, these ranges should be
- used, in order to avoid conflicting with future assignments.
- 64 char ENskip kernel encryption package
- 0 = /dev/enskip Communication with ENskip kernel module
- 65 char Sundance "plink" Transputer boards
- 0 = /dev/plink0 First plink device
- 1 = /dev/plink1 Second plink device
- 2 = /dev/plink2 Third plink device
- 3 = /dev/plink3 Fourth plink device
- 64 = /dev/rplink0 First plink device, raw
- 65 = /dev/rplink1 Second plink device, raw
- 66 = /dev/rplink2 Third plink device, raw
- 67 = /dev/rplink3 Fourth plink device, raw
- 128 = /dev/plink0d First plink device, debug
- 129 = /dev/plink1d Second plink device, debug
- 130 = /dev/plink2d Third plink device, debug
- 131 = /dev/plink3d Fourth plink device, debug
- 192 = /dev/rplink0d First plink device, raw, debug
- 193 = /dev/rplink1d Second plink device, raw, debug
- 194 = /dev/rplink2d Third plink device, raw, debug
- 195 = /dev/rplink3d Fourth plink device, raw, debug
- This is a commercial driver; contact James Howes
- <jth@prosig.demon.co.uk> for information.
- block SCSI disk devices (16-31)
- 0 = /dev/sdq 16th SCSI disk whole disk
- 16 = /dev/sdr 17th SCSI disk whole disk
- 32 = /dev/sds 18th SCSI disk whole disk
- ...
- 240 = /dev/sdaf 32nd SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 66 char YARC PowerPC PCI coprocessor card
- 0 = /dev/yppcpci0 First YARC card
- 1 = /dev/yppcpci1 Second YARC card
- ...
- block SCSI disk devices (32-47)
- 0 = /dev/sdag 33th SCSI disk whole disk
- 16 = /dev/sdah 34th SCSI disk whole disk
- 32 = /dev/sdai 35th SCSI disk whole disk
- ...
- 240 = /dev/sdav 48nd SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 67 char Coda network file system
- 0 = /dev/cfs0 Coda cache manager
- See http://www.coda.cs.cmu.edu for information about Coda.
- block SCSI disk devices (48-63)
- 0 = /dev/sdaw 49th SCSI disk whole disk
- 16 = /dev/sdax 50th SCSI disk whole disk
- 32 = /dev/sday 51st SCSI disk whole disk
- ...
- 240 = /dev/sdbl 64th SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 68 char CAPI 2.0 interface
- 0 = /dev/capi20 Control device
- 1 = /dev/capi20.00 First CAPI 2.0 application
- 2 = /dev/capi20.01 Second CAPI 2.0 application
- ...
- 20 = /dev/capi20.19 19th CAPI 2.0 application
- ISDN CAPI 2.0 driver for use with CAPI 2.0
- applications; currently supports the AVM B1 card.
- block SCSI disk devices (64-79)
- 0 = /dev/sdbm 64th SCSI disk whole disk
- 16 = /dev/sdbn 65th SCSI disk whole disk
- 32 = /dev/sdbo 66th SCSI disk whole disk
- ...
- 240 = /dev/sdcb 80th SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 69 char MA16 numeric accelerator card
- 0 = /dev/ma16 Board memory access
- block SCSI disk devices (80-95)
- 0 = /dev/sdcc 81st SCSI disk whole disk
- 16 = /dev/sdcd 82nd SCSI disk whole disk
- 32 = /dev/sdce 83th SCSI disk whole disk
- ...
- 240 = /dev/sdcr 96th SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 70 char SpellCaster Protocol Services Interface
- 0 = /dev/apscfg Configuration interface
- 1 = /dev/apsauth Authentication interface
- 2 = /dev/apslog Logging interface
- 3 = /dev/apsdbg Debugging interface
- 64 = /dev/apsisdn ISDN command interface
- 65 = /dev/apsasync Async command interface
- 128 = /dev/apsmon Monitor interface
- block SCSI disk devices (96-111)
- 0 = /dev/sdcs 97th SCSI disk whole disk
- 16 = /dev/sdct 98th SCSI disk whole disk
- 32 = /dev/sdcu 99th SCSI disk whole disk
- ...
- 240 = /dev/sddh 112nd SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 71 char Computone IntelliPort II serial card
- 0 = /dev/ttyF0 IntelliPort II board 0, port 0
- 1 = /dev/ttyF1 IntelliPort II board 0, port 1
- ...
- 63 = /dev/ttyF63 IntelliPort II board 0, port 63
- 64 = /dev/ttyF64 IntelliPort II board 1, port 0
- 65 = /dev/ttyF65 IntelliPort II board 1, port 1
- ...
- 127 = /dev/ttyF127 IntelliPort II board 1, port 63
- 128 = /dev/ttyF128 IntelliPort II board 2, port 0
- 129 = /dev/ttyF129 IntelliPort II board 2, port 1
- ...
- 191 = /dev/ttyF191 IntelliPort II board 2, port 63
- 192 = /dev/ttyF192 IntelliPort II board 3, port 0
- 193 = /dev/ttyF193 IntelliPort II board 3, port 1
- ...
- 255 = /dev/ttyF255 IntelliPort II board 3, port 63
- block SCSI disk devices (112-127)
- 0 = /dev/sddi 113th SCSI disk whole disk
- 16 = /dev/sddj 114th SCSI disk whole disk
- 32 = /dev/sddk 115th SCSI disk whole disk
- ...
- 240 = /dev/sddx 128th SCSI disk whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 72 char Computone IntelliPort II serial card - alternate devices
- 0 = /dev/cuf0 Callout device for ttyF0
- 1 = /dev/cuf1 Callout device for ttyF1
- ...
- 63 = /dev/cuf63 Callout device for ttyF63
- 64 = /dev/cuf64 Callout device for ttyF64
- 65 = /dev/cuf65 Callout device for ttyF65
- ...
- 127 = /dev/cuf127 Callout device for ttyF127
- 128 = /dev/cuf128 Callout device for ttyF128
- 129 = /dev/cuf129 Callout device for ttyF129
- ...
- 191 = /dev/cuf191 Callout device for ttyF191
- 192 = /dev/cuf192 Callout device for ttyF192
- 193 = /dev/cuf193 Callout device for ttyF193
- ...
- 255 = /dev/cuf255 Callout device for ttyF255
- block Compaq Intelligent Drive Array, first controller
- 0 = /dev/ida/c0d0 First logical drive whole disk
- 16 = /dev/ida/c0d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c0d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 73 char Computone IntelliPort II serial card - control devices
- 0 = /dev/ip2ipl0 Loadware device for board 0
- 1 = /dev/ip2stat0 Status device for board 0
- 4 = /dev/ip2ipl1 Loadware device for board 1
- 5 = /dev/ip2stat1 Status device for board 1
- 8 = /dev/ip2ipl2 Loadware device for board 2
- 9 = /dev/ip2stat2 Status device for board 2
- 12 = /dev/ip2ipl3 Loadware device for board 3
- 13 = /dev/ip2stat3 Status device for board 3
- block Compaq Intelligent Drive Array, second controller
- 0 = /dev/ida/c1d0 First logical drive whole disk
- 16 = /dev/ida/c1d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c1d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 74 char SCI bridge
- 0 = /dev/SCI/0 SCI device 0
- 1 = /dev/SCI/1 SCI device 1
- ...
- Currently for Dolphin Interconnect Solutions' PCI-SCI
- bridge.
- block Compaq Intelligent Drive Array, third controller
- 0 = /dev/ida/c2d0 First logical drive whole disk
- 16 = /dev/ida/c2d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c2d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 75 char Specialix IO8+ serial card
- 0 = /dev/ttyW0 First IO8+ port, first card
- 1 = /dev/ttyW1 Second IO8+ port, first card
- ...
- 8 = /dev/ttyW8 First IO8+ port, second card
- ...
- block Compaq Intelligent Drive Array, fourth controller
- 0 = /dev/ida/c3d0 First logical drive whole disk
- 16 = /dev/ida/c3d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c3d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 76 char Specialix IO8+ serial card - alternate devices
- 0 = /dev/cuw0 Callout device for ttyW0
- 1 = /dev/cuw1 Callout device for ttyW1
- ...
- 8 = /dev/cuw8 Callout device for ttyW8
- ...
- block Compaq Intelligent Drive Array, fifth controller
- 0 = /dev/ida/c4d0 First logical drive whole disk
- 16 = /dev/ida/c4d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c4d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 77 char ComScire Quantum Noise Generator
- 0 = /dev/qng ComScire Quantum Noise Generator
- block Compaq Intelligent Drive Array, sixth controller
- 0 = /dev/ida/c5d0 First logical drive whole disk
- 16 = /dev/ida/c5d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c5d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 78 char PAM Software's multimodem boards
- 0 = /dev/ttyM0 First PAM modem
- 1 = /dev/ttyM1 Second PAM modem
- ...
- block Compaq Intelligent Drive Array, seventh controller
- 0 = /dev/ida/c6d0 First logical drive whole disk
- 16 = /dev/ida/c6d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c6d15 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 79 char PAM Software's multimodem boards - alternate devices
- 0 = /dev/cum0 Callout device for ttyM0
- 1 = /dev/cum1 Callout device for ttyM1
- ...
- block Compaq Intelligent Drive Array, eigth controller
- 0 = /dev/ida/c7d0 First logical drive whole disk
- 16 = /dev/ida/c7d1 Second logical drive whole disk
- ...
- 240 = /dev/ida/c715 16th logical drive whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 80 char Photometrics AT200 CCD camera
- 0 = /dev/at200 Photometrics AT200 CCD camera
- block I2O hard disk
- 0 = /dev/i2o/hda First I2O hard disk, whole disk
- 16 = /dev/i2o/hdb Second I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdp 16th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 81 char video4linux
- 0 = /dev/video0 Video capture/overlay device
- ...
- 63 = /dev/video63 Video capture/overlay device
- 64 = /dev/radio0 Radio device
- ...
- 127 = /dev/radio63 Radio device
- 192 = /dev/vtx0 Teletext device
- ...
- 223 = /dev/vtx31 Teletext device
- 224 = /dev/vbi0 Vertical blank interrupt
- ...
- 255 = /dev/vbi31 Vertical blank interrupt
- block I2O hard disk
- 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk
- 16 = /dev/i2o/hdr 18th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdaf 32nd I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 82 char WiNRADiO communications receiver card
- 0 = /dev/winradio0 First WiNRADiO card
- 1 = /dev/winradio1 Second WiNRADiO card
- ...
- The driver and documentation may be obtained from
- http://www.proximity.com.au/~brian/winradio/
- block I2O hard disk
- 0 = /dev/i2o/hdag 33rd I2O hard disk, whole disk
- 16 = /dev/i2o/hdah 34th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdav 48th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 83 char Teletext/videotext interfaces {2.6}
- 0 = /dev/vtx Teletext decoder
- 16 = /dev/vttuner TV tuner on teletext interface
- Devices for the driver contained in the VideoteXt package.
- More information on http://home.pages.de/~videotext/
- block I2O hard disk
- 0 = /dev/i2o/hdaw 49th I2O hard disk, whole disk
- 16 = /dev/i2o/hdax 50th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdbl 64th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 84 char Ikon 1011[57] Versatec Greensheet Interface
- 0 = /dev/ihcp0 First Greensheet port
- 1 = /dev/ihcp1 Second Greensheet port
- block I2O hard disk
- 0 = /dev/i2o/hdbm 65th I2O hard disk, whole disk
- 16 = /dev/i2o/hdbn 66th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdcb 80th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 85 char Linux/SGI shared memory input queue
- 0 = /dev/shmiq Master shared input queue
- 1 = /dev/qcntl0 First device pushed
- 2 = /dev/qcntl1 Second device pushed
- ...
- block I2O hard disk
- 0 = /dev/i2o/hdcc 81st I2O hard disk, whole disk
- 16 = /dev/i2o/hdcd 82nd I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hdcr 96th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 86 char SCSI media changer
- 0 = /dev/sch0 First SCSI media changer
- 1 = /dev/sch1 Second SCSI media changer
- ...
- block I2O hard disk
- 0 = /dev/i2o/hdcs 97th I2O hard disk, whole disk
- 16 = /dev/i2o/hdct 98th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hddh 112th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 87 char Sony Control-A1 stereo control bus
- 0 = /dev/controla0 First device on chain
- 1 = /dev/controla1 Second device on chain
- ...
- block I2O hard disk
- 0 = /dev/i2o/hddi 113rd I2O hard disk, whole disk
- 16 = /dev/i2o/hddj 114th I2O hard disk, whole disk
- ...
- 240 = /dev/i2o/hddx 128th I2O hard disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 88 char COMX synchronous serial card
- 0 = /dev/comx0 COMX channel 0
- 1 = /dev/comx1 COMX channel 1
- ...
- block Seventh IDE hard disk/CD-ROM interface
- 0 = /dev/hdm Master: whole disk (or CD-ROM)
- 64 = /dev/hdn Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 89 char I2C bus interface
- 0 = /dev/i2c-0 First I2C adapter
- 1 = /dev/i2c-1 Second I2C adapter
- ...
- block Eighth IDE hard disk/CD-ROM interface
- 0 = /dev/hdo Master: whole disk (or CD-ROM)
- 64 = /dev/hdp Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 90 char Memory Technology Device (RAM, ROM, Flash)
- 0 = /dev/mtd0 First MTD (rw)
- 1 = /dev/mtdr0 First MTD (ro)
- ...
- 30 = /dev/mtd15 16th MTD (rw)
- 31 = /dev/mtdr15 16th MTD (ro)
- block Ninth IDE hard disk/CD-ROM interface
- 0 = /dev/hdq Master: whole disk (or CD-ROM)
- 64 = /dev/hdr Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 91 char CAN-Bus devices
- 0 = /dev/can0 First CAN-Bus controller
- 1 = /dev/can1 Second CAN-Bus controller
- ...
- block Tenth IDE hard disk/CD-ROM interface
- 0 = /dev/hds Master: whole disk (or CD-ROM)
- 64 = /dev/hdt Slave: whole disk (or CD-ROM)
- Partitions are handled the same way as for the first
- interface (see major number 3).
- 92 char Reserved for ith Kommunikationstechnik MIC ISDN card
- block PPDD encrypted disk driver
- 0 = /dev/ppdd0 First encrypted disk
- 1 = /dev/ppdd1 Second encrypted disk
- ...
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 93 char IBM Smart Capture Card frame grabber {2.6}
- 0 = /dev/iscc0 First Smart Capture Card
- 1 = /dev/iscc1 Second Smart Capture Card
- ...
- 128 = /dev/isccctl0 First Smart Capture Card control
- 129 = /dev/isccctl1 Second Smart Capture Card control
- ...
- block NAND Flash Translation Layer filesystem
- 0 = /dev/nftla First NFTL layer
- 16 = /dev/nftlb Second NFTL layer
- ...
- 240 = /dev/nftlp 16th NTFL layer
- 94 char miroVIDEO DC10/30 capture/playback device {2.6}
- 0 = /dev/dcxx0 First capture card
- 1 = /dev/dcxx1 Second capture card
- ...
- block IBM S/390 DASD block storage
- 0 = /dev/dasda First DASD device, major
- 1 = /dev/dasda1 First DASD device, block 1
- 2 = /dev/dasda2 First DASD device, block 2
- 3 = /dev/dasda3 First DASD device, block 3
- 4 = /dev/dasdb Second DASD device, major
- 5 = /dev/dasdb1 Second DASD device, block 1
- 6 = /dev/dasdb2 Second DASD device, block 2
- 7 = /dev/dasdb3 Second DASD device, block 3
- ...
- 95 char IP filter
- 0 = /dev/ipl Filter control device/log file
- 1 = /dev/ipnat NAT control device/log file
- 2 = /dev/ipstate State information log file
- 3 = /dev/ipauth Authentication control device/log file
- ...
- block IBM S/390 VM/ESA minidisk
- 0 = /dev/mnda First VM/ESA minidisk
- 1 = /dev/mndb Second VM/ESA minidisk
- ...
- 96 char Parallel port ATAPI tape devices
- 0 = /dev/pt0 First parallel port ATAPI tape
- 1 = /dev/pt1 Second parallel port ATAPI tape
- ...
- 128 = /dev/npt0 First p.p. ATAPI tape, no rewind
- 129 = /dev/npt1 Second p.p. ATAPI tape, no rewind
- ...
- 97 char Parallel port generic ATAPI interface
- 0 = /dev/pg0 First parallel port ATAPI device
- 1 = /dev/pg1 Second parallel port ATAPI device
- 2 = /dev/pg2 Third parallel port ATAPI device
- 3 = /dev/pg3 Fourth parallel port ATAPI device
- These devices support the same API as the generic SCSI
- devices.
- block Packet writing for CD/DVD devices
- 0 = /dev/pktcdvd0 First packet-writing module
- 1 = /dev/pktcdvd1 Second packet-writing module
- ...
- 98 char Control and Measurement Device (comedi)
- 0 = /dev/comedi0 First comedi device
- 1 = /dev/comedi1 Second comedi device
- ...
- See http://stm.lbl.gov/comedi or http://www.llp.fu-berlin.de/.
- block User-mode virtual block device
- 0 = /dev/ubd0 First user-mode block device
- 1 = /dev/ubd1 Second user-mode block device
- ...
- This device is used by the user-mode virtual kernel port.
- 99 char Raw parallel ports
- 0 = /dev/parport0 First parallel port
- 1 = /dev/parport1 Second parallel port
- ...
- block JavaStation flash disk
- 0 = /dev/jsfd JavaStation flash disk
- 100 char Telephony for Linux
- 0 = /dev/phone0 First telephony device
- 1 = /dev/phone1 Second telephony device
- ...
- 101 char Motorola DSP 56xxx board
- 0 = /dev/mdspstat Status information
- 1 = /dev/mdsp1 First DSP board I/O controls
- ...
- 16 = /dev/mdsp16 16th DSP board I/O controls
- block AMI HyperDisk RAID controller
- 0 = /dev/amiraid/ar0 First array whole disk
- 16 = /dev/amiraid/ar1 Second array whole disk
- ...
- 240 = /dev/amiraid/ar15 16th array whole disk
- For each device, partitions are added as:
- 0 = /dev/amiraid/ar? Whole disk
- 1 = /dev/amiraid/ar?p1 First partition
- 2 = /dev/amiraid/ar?p2 Second partition
- ...
- 15 = /dev/amiraid/ar?p15 15th partition
- 102 char Philips SAA5249 Teletext signal decoder {2.6}
- 0 = /dev/tlk0 First Teletext decoder
- 1 = /dev/tlk1 Second Teletext decoder
- 2 = /dev/tlk2 Third Teletext decoder
- 3 = /dev/tlk3 Fourth Teletext decoder
- block Compressed block device
- 0 = /dev/cbd/a First compressed block device, whole device
- 16 = /dev/cbd/b Second compressed block device, whole device
- ...
- 240 = /dev/cbd/p 16th compressed block device, whole device
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 15.
- 103 char Arla network file system
- 0 = /dev/xfs0 Arla XFS
- Arla is a free clone of the Andrew File System, AFS.
- Any resemblance with the Swedish milk producer is
- coincidental. For more information about the project,
- write to <arla-drinkers@stacken.kth.se> or subscribe
- to the arla announce mailing list by sending a mail to
- <arla-announce-request@stacken.kth.se>.
- block Audit device
- 0 = /dev/audit Audit device
- 104 char Flash BIOS support
- block Compaq Next Generation Drive Array, first controller
- 0 = /dev/cciss/c0d0 First logical drive, whole disk
- 16 = /dev/cciss/c0d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c0d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 105 char Comtrol VS-1000 serial controller
- 0 = /dev/ttyV0 First VS-1000 port
- 1 = /dev/ttyV1 Second VS-1000 port
- ...
- block Compaq Next Generation Drive Array, second controller
- 0 = /dev/cciss/c1d0 First logical drive, whole disk
- 16 = /dev/cciss/c1d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c1d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 106 char Comtrol VS-1000 serial controller - alternate devices
- 0 = /dev/cuv0 First VS-1000 port
- 1 = /dev/cuv1 Second VS-1000 port
- ...
- block Compaq Next Generation Drive Array, third controller
- 0 = /dev/cciss/c2d0 First logical drive, whole disk
- 16 = /dev/cciss/c2d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c2d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 107 char 3Dfx Voodoo Graphics device
- 0 = /dev/3dfx Primary 3Dfx graphics device
- block Compaq Next Generation Drive Array, fourth controller
- 0 = /dev/cciss/c3d0 First logical drive, whole disk
- 16 = /dev/cciss/c3d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c3d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 108 char Device independent PPP interface
- 0 = /dev/ppp Device independent PPP interface
- block Compaq Next Generation Drive Array, fifth controller
- 0 = /dev/cciss/c4d0 First logical drive, whole disk
- 16 = /dev/cciss/c4d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c4d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 109 char Reserved for logical volume manager
- block Compaq Next Generation Drive Array, sixth controller
- 0 = /dev/cciss/c5d0 First logical drive, whole disk
- 16 = /dev/cciss/c5d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c5d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 110 char miroMEDIA Surround board
- 0 = /dev/srnd0 First miroMEDIA Surround board
- 1 = /dev/srnd1 Second miroMEDIA Surround board
- ...
- block Compaq Next Generation Drive Array, seventh controller
- 0 = /dev/cciss/c6d0 First logical drive, whole disk
- 16 = /dev/cciss/c6d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c6d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 111 char Philips SAA7146-based audio/video card {2.6}
- 0 = /dev/av0 First A/V card
- 1 = /dev/av1 Second A/V card
- ...
- block Compaq Next Generation Drive Array, eigth controller
- 0 = /dev/cciss/c7d0 First logical drive, whole disk
- 16 = /dev/cciss/c7d1 Second logical drive, whole disk
- ...
- 240 = /dev/cciss/c7d15 16th logical drive, whole disk
- Partitions are handled the same way as for Mylex
- DAC960 (see major number 48) except that the limit on
- partitions is 15.
- 112 char ISI serial card
- 0 = /dev/ttyM0 First ISI port
- 1 = /dev/ttyM1 Second ISI port
- ...
- There is currently a device-naming conflict between
- these and PAM multimodems (major 78).
- block IBM iSeries virtual disk
- 0 = /dev/iseries/vda First virtual disk, whole disk
- 8 = /dev/iseries/vdb Second virtual disk, whole disk
- ...
- 200 = /dev/iseries/vdz 26th virtual disk, whole disk
- 208 = /dev/iseries/vdaa 27th virtual disk, whole disk
- ...
- 240 = /dev/iseries/vdaf 32nd virtual disk, whole disk
- Partitions are handled in the same way as for IDE
- disks (see major number 3) except that the limit on
- partitions is 7.
- 113 char ISI serial card - alternate devices
- 0 = /dev/cum0 Callout device for ttyM0
- 1 = /dev/cum1 Callout device for ttyM1
- ...
- block IBM iSeries virtual CD-ROM
- 0 = /dev/iseries/vcda First virtual CD-ROM
- 1 = /dev/iseries/vcdb Second virtual CD-ROM
- ...
- 114 char Picture Elements ISE board
- 0 = /dev/ise0 First ISE board
- 1 = /dev/ise1 Second ISE board
- ...
- 128 = /dev/isex0 Control node for first ISE board
- 129 = /dev/isex1 Control node for second ISE board
- ...
- The ISE board is an embedded computer, optimized for
- image processing. The /dev/iseN nodes are the general
- I/O access to the board, the /dev/isex0 nodes command
- nodes used to control the board.
- 115 char Console driver speaker
- 0 = /dev/speaker Speaker device file
- Plays music using IBM BASIC style strings.
- 116 char Advanced Linux Sound Driver (ALSA)
- 117 char COSA/SRP synchronous serial card
- 0 = /dev/cosa0c0 1st board, 1st channel
- 1 = /dev/cosa0c1 1st board, 2nd channel
- ...
- 16 = /dev/cosa1c0 2nd board, 1st channel
- 17 = /dev/cosa1c1 2nd board, 2nd channel
- ...
- 118 char Solidum ???
- 0 = /dev/solnp0
- 1 = /dev/solnp1
- ...
- 128 = /dev/solnpctl0
- 129 = /dev/solnpctl1
- ...
- 119 char VMware virtual network control
- 0 = /dev/vnet0 1st virtual network
- 1 = /dev/vnet1 2nd virtual network
- ...
- 120-127 LOCAL/EXPERIMENTAL USE
- 128-135 char Unix98 PTY masters
- These devices should not have corresponding device
- nodes; instead they should be accessed through the
- /dev/ptmx cloning interface.
- 136-143 char Unix98 PTY slaves
- 0 = /dev/pts/0 First Unix98 pseudo-TTY
- 1 = /dev/pts/1 Second Unix98 pesudo-TTY
- ...
- These device nodes are automatically generated with
- the proper permissions and modes by mounting the
- devpts filesystem onto /dev/pts with the appropriate
- mount options (distribution dependent, however, on
- *most* distributions the appropriate options are
- "mode=0620,gid=<gid of the "tty" group>".)
- 144 char Encapsulated PPP
- 0 = /dev/pppox0 First PPP over Ethernet
- ...
- 63 = /dev/pppox63 64th PPP over Ethernet
- This is primarily used for ADSL.
- The SST 5136-DN DeviceNet interface driver has been
- relocated to major 183 due to an unfortunate conflict.
- 145 char SAM9407-based soundcard
- 0 = /dev/sam0_mixer
- 1 = /dev/sam0_sequencer
- 2 = /dev/sam0_midi00
- 3 = /dev/sam0_dsp
- 4 = /dev/sam0_audio
- 6 = /dev/sam0_sndstat
- 18 = /dev/sam0_midi01
- 34 = /dev/sam0_midi02
- 50 = /dev/sam0_midi03
- 64 = /dev/sam1_mixer
- ...
- 128 = /dev/sam2_mixer
- ...
- 192 = /dev/sam3_mixer
- ...
- Device functions match OSS, but offer a number of
- addons, which are sam9407 specific. OSS can be
- operated simultaneously, taking care of the codec.
- 146 char SYSTRAM SCRAMNet mirrored-memory network
- 0 = /dev/scramnet0 First SCRAMNet device
- 1 = /dev/scramnet1 Second SCRAMNet device
- ...
- 147 char Aueral Semiconductor Vortex Audio device
- 0 = /dev/aureal0 First Aureal Vortex
- 1 = /dev/aureal1 Second Aureal Vortex
- ...
- 148 char Technology Concepts serial card
- 0 = /dev/ttyT0 First TCL port
- 1 = /dev/ttyT1 Second TCL port
- ...
- 149 char Technology Concepts serial card - alternate devices
- 0 = /dev/cut0 Callout device for ttyT0
- 1 = /dev/cut0 Callout device for ttyT1
- ...
- 150 char Real-Time Linux FIFOs
- 0 = /dev/rtf0 First RTLinux FIFO
- 1 = /dev/rtf1 Second RTLinux FIFO
- ...
- 151 char DPT I2O SmartRaid V controller
- 0 = /dev/dpti0 First DPT I2O adapter
- 1 = /dev/dpti1 Second DPT I2O adapter
- ...
- 154 char Specialix RIO serial card
- 0 = /dev/ttySR0 First RIO port
- ...
- 255 = /dev/ttySR255 256th RIO port
- 155 char Specialix RIO serial card - alternate devices
- 0 = /dev/cusr0 Callout device for ttySR0
- ...
- 255 = /dev/cusr255 Callout device for ttySR255
- 156 char Specialix RIO serial card
- 0 = /dev/ttySR256 257th RIO port
- ...
- 255 = /dev/ttySR511 512th RIO port
- 157 char Specialix RIO serial card - alternate devices
- 0 = /dev/cusr256 Callout device for ttySR256
- ...
- 255 = /dev/cusr511 Callout device for ttySR511
- 158 char Dialogic GammaLink fax driver
- 0 = /dev/gfax0 GammaLink channel 0
- 1 = /dev/gfax1 GammaLink channel 1
- ...
- 159 RESERVED
- 160 char General Purpose Instrument Bus (GPIB)
- 0 = /dev/gpib0 First GPIB bus
- 1 = /dev/gpib1 Second GPIB bus
- ...
- 161 char IrCOMM devices (IrDA serial/parallel emulation)
- 0 = /dev/ircomm0 First IrCOMM device
- 1 = /dev/ircomm1 Second IrCOMM device
- ...
- 16 = /dev/irlpt0 First IrLPT device
- 17 = /dev/irlpt1 Second IrLPT device
- ...
- 162 char Raw block device interface
- 0 = /dev/rawctl Raw I/O control device
- 1 = /dev/raw/raw1 First raw I/O device
- 2 = /dev/raw/raw2 Second raw I/O device
- ...
- 163 char Radio Tech BIM-XXX-RS232 radio modem
- 0 = /dev/bimrt0 First BIM radio modem
- 1 = /dev/bimrt1 Second BIM radio modem
- ...
- 164 char Chase Research AT/PCI-Fast serial card
- 0 = /dev/ttyCH0 AT/PCI-Fast board 0, port 0
- ...
- 15 = /dev/ttyCH15 AT/PCI-Fast board 0, port 15
- 16 = /dev/ttyCH16 AT/PCI-Fast board 1, port 0
- ...
- 31 = /dev/ttyCH31 AT/PCI-Fast board 1, port 15
- 32 = /dev/ttyCH32 AT/PCI-Fast board 2, port 0
- ...
- 47 = /dev/ttyCH47 AT/PCI-Fast board 2, port 15
- 48 = /dev/ttyCH48 AT/PCI-Fast board 3, port 0
- ...
- 63 = /dev/ttyCH63 AT/PCI-Fast board 3, port 15
- 165 char Chase Research AT/PCI-Fast serial card - alternate devices
- 0 = /dev/cuch0 Callout device for ttyCH0
- ...
- 63 = /dev/cuch63 Callout device for ttyCH63
- 166 char ACM USB modems
- 0 = /dev/ttyACM0 First ACM modem
- 1 = /dev/ttyACM1 Second ACM modem
- ...
- 167 char ACM USB modems - alternate devices
- 0 = /dev/cuacm0 Callout device for ttyACM0
- 1 = /dev/cuacm1 Callout device for ttyACM1
- ...
- 168 char Eracom CSA7000 PCI encryption adaptor
- 0 = /dev/ecsa0 First CSA7000
- 1 = /dev/ecsa1 Second CSA7000
- ...
- 169 char Eracom CSA8000 PCI encryption adaptor
- 0 = /dev/ecsa8-0 First CSA8000
- 1 = /dev/ecsa8-1 Second CSA8000
- ...
- 170 char AMI MegaRAC remote access controller
- 0 = /dev/megarac0 First MegaRAC card
- 1 = /dev/megarac1 Second MegaRAC card
- ...
- 171 char Reserved for IEEE 1394 (Firewire)
- 172 char Moxa Intellio serial card
- 0 = /dev/ttyMX0 First Moxa port
- 1 = /dev/ttyMX1 Second Moxa port
- ...
- 127 = /dev/ttyMX127 128th Moxa port
- 128 = /dev/moxactl Moxa control port
- 173 char Moxa Intellio serial card - alternate devices
- 0 = /dev/cumx0 Callout device for ttyMX0
- 1 = /dev/cumx1 Callout device for ttyMX1
- ...
- 127 = /dev/cumx127 Callout device for ttyMX127
- 174 char SmartIO serial card
- 0 = /dev/ttySI0 First SmartIO port
- 1 = /dev/ttySI1 Second SmartIO port
- ...
- 175 char SmartIO serial card - alternate devices
- 0 = /dev/cusi0 Callout device for ttySI0
- 1 = /dev/cusi1 Callout device for ttySI1
- ...
- 176 char nCipher nFast PCI crypto accelerator
- 0 = /dev/nfastpci0 First nFast PCI device
- 1 = /dev/nfastpci1 First nFast PCI device
- ...
- 177 char TI PCILynx memory spaces
- 0 = /dev/pcilynx/aux0 AUX space of first PCILynx card
- ...
- 15 = /dev/pcilynx/aux15 AUX space of 16th PCILynx card
- 16 = /dev/pcilynx/rom0 ROM space of first PCILynx card
- ...
- 31 = /dev/pcilynx/rom15 ROM space of 16th PCILynx card
- 32 = /dev/pcilynx/ram0 RAM space of first PCILynx card
- ...
- 47 = /dev/pcilynx/ram15 RAM space of 16th PCILynx card
- 178 char Giganet cLAN1xxx virtual interface adapter
- 0 = /dev/clanvi0 First cLAN adapter
- 1 = /dev/clanvi1 Second cLAN adapter
- ...
- 179 char CCube DVXChip-based PCI products
- 0 = /dev/dvxirq0 First DVX device
- 1 = /dev/dvxirq1 Second DVX device
- ...
- 180 char USB devices
- 0 = /dev/usb/lp0 First USB printer
- ...
- 15 = /dev/usb/lp15 16th USB printer
- 16 = /dev/usb/mouse0 First USB mouse
- ...
- 31 = /dev/usb/mouse15 16th USB mouse
- 32 = /dev/usb/ez0 First USB firmware loader
- ...
- 47 = /dev/usb/ez15 16th USB firmware loader
- 48 = /dev/usb/scanner0 First USB scanner
- ...
- 63 = /dev/usb/scanner15 16th USB scanner
- 64 = /dev/usb/rio500 Diamond Rio 500
- 181 char Conrad Electronic parallel port radio clocks
- 0 = /dev/pcfclock0 First Conrad radio clock
- 1 = /dev/pcfclock1 Second Conrad radio clock
- ...
- 182 char Picture Elements THR2 binarizer
- 0 = /dev/pethr0 First THR2 board
- 1 = /dev/pethr1 Second THR2 board
- ...
- 183 char SST 5136-DN DeviceNet interface
- 0 = /dev/ss5136dn0 First DeviceNet interface
- 1 = /dev/ss5136dn1 Second DeviceNet interface
- ...
- This device used to be assigned to major number 144.
- It had to be moved due to an unfortunate conflict.
- 184 char Picture Elements' video simulator/sender
- 0 = /dev/pevss0 First sender board
- 1 = /dev/pevss1 Second sender board
- ...
- 185 char InterMezzo high availability file system
- 0 = /dev/intermezzo0 First cache manager
- 1 = /dev/intermezzo1 Second cache manager
- ...
- See http://www.inter-mezzo.org/ for more information.
- 186 char Object-based storage control device
- 0 = /dev/obd0 First obd control device
- 1 = /dev/obd1 Second obd control device
- ...
- See ftp://ftp.lustre.org/pub/obd for code and information.
- 187 char DESkey hardware encryption device
- 0 = /dev/deskey0 First DES key
- 1 = /dev/deskey1 Second DES key
- ...
- 188 char USB serial converters
- 0 = /dev/ttyUSB0 First USB serial converter
- 1 = /dev/ttyUSB1 Second USB serial converter
- ...
- 189 char USB serial converters - alternate devices
- 0 = /dev/cuusb0 Callout device for ttyUSB0
- 1 = /dev/cuusb1 Callout device for ttyUSB1
- ...
- 190 char Kansas City tracker/tuner card
- 0 = /dev/kctt0 First KCT/T card
- 1 = /dev/kctt1 Second KCT/T card
- ...
- 191 char Reserved for PCMCIA
- 192 char Kernel profiling interface
- 0 = /dev/profile Profiling control device
- 1 = /dev/profile0 Profiling device for CPU 0
- 2 = /dev/profile1 Profiling device for CPU 1
- ...
- 193 char Kernel event-tracing interface
- 0 = /dev/trace Tracing control device
- 1 = /dev/trace0 Tracing device for CPU 0
- 2 = /dev/trace1 Tracing device for CPU 1
- ...
- 194 char linVideoStreams (LINVS)
- 0 = /dev/mvideo/status0 Video compression status
- 1 = /dev/mvideo/stream0 Video stream
- 2 = /dev/mvideo/frame0 Single compressed frame
- 3 = /dev/mvideo/rawframe0 Raw uncompressed frame
- 4 = /dev/mvideo/codec0 Direct codec access
- 5 = /dev/mvideo/video4linux0 Video4Linux compatibility
- 16 = /dev/mvideo/status1 Second device
- ...
- 32 = /dev/mvideo/status2 Third device
- ...
- ...
- 240 = /dev/mvideo/status15 16th device
- ...
- 195 char Nvidia graphics devices
- 0 = /dev/nvidia0 First Nvidia card
- 1 = /dev/nvidia1 Second Nvidia card
- ...
- 255 = /dev/nvidiactl Nvidia card control device
- 196 char Tormenta T1 card
- 0 = /dev/tor/0 Master control channel for all cards
- 1 = /dev/tor/1 First DS0
- 2 = /dev/tor/2 Second DS0
- ...
- 48 = /dev/tor/48 48th DS0
- 49 = /dev/tor/49 First pseudo-channel
- 50 = /dev/tor/50 Second pseudo-channel
- ...
- 197 char OpenTNF tracing facility
- 0 = /dev/tnf/t0 Trace 0 data extraction
- 1 = /dev/tnf/t1 Trace 1 data extraction
- ...
- 128 = /dev/tnf/status Tracing facility status
- 130 = /dev/tnf/trace Tracing device
- 198 char Total Impact TPMP2 quad coprocessor PCI card
- 0 = /dev/tpmp2/0 First card
- 1 = /dev/tpmp2/1 Second card
- ...
- 199 char Veritas volume manager (VxVM) volumes
- 0 = /dev/vx/rdsk/*/* First volume
- 1 = /dev/vx/rdsk/*/* Second volume
- ...
- block Veritas volume manager (VxVM) volumes
- 0 = /dev/vx/dsk/*/* First volume
- 1 = /dev/vx/dsk/*/* First volume
- ...
- The namespace in these directories is maintained by
- the user space VxVM software.
- 200 char Veritas VxVM configuration interface
- 0 = /dev/vx/config Configuration access node
- 1 = /dev/vx/trace Volume i/o trace access node
- 2 = /dev/vx/iod Volume i/o daemon access node
- 3 = /dev/vx/info Volume information access node
- 4 = /dev/vx/task Volume tasks access node
- 5 = /dev/vx/taskmon Volume tasks monitor daemon
- 201 char Veritas VxVM dynamic multipathing driver
- 0 = /dev/vx/rdmp/* First multipath device
- 1 = /dev/vx/rdmp/* Second multipath device
- ...
- block Veritas VxVM dynamic multipathing driver
- 0 = /dev/vx/dmp/* First multipath device
- 1 = /dev/vx/dmp/* Second multipath device
- ...
- The namespace in these directories is maintained by
- the user space VxVM software.
- 202 char CPU model-specific registers
- 0 = /dev/cpu/0/msr MSRs on CPU 0
- 1 = /dev/cpu/1/msr MSRs on CPU 1
- ...
- 203 char CPU CPUID information
- 0 = /dev/cpu/0/cpuid CPUID on CPU 0
- 1 = /dev/cpu/1/cpuid CPUID on CPU 1
- ...
- 204 char Low-density serial ports
- 0 = /dev/ttyLU0 LinkUp Systems L72xx UART - port 0
- 1 = /dev/ttyLU1 LinkUp Systems L72xx UART - port 1
- 2 = /dev/ttyLU2 LinkUp Systems L72xx UART - port 2
- 3 = /dev/ttyLU3 LinkUp Systems L72xx UART - port 3
- 4 = /dev/ttyFB0 Intel Footbridge (ARM)
- 5 = /dev/ttySA0 StrongARM builtin serial port 0
- 6 = /dev/ttySA1 StrongARM builtin serial port 1
- 7 = /dev/ttySA2 StrongARM builtin serial port 2
- 8 = /dev/ttySC0 SCI serial port (SuperH) - port 0
- 9 = /dev/ttySC1 SCI serial port (SuperH) - port 1
- 10 = /dev/ttySC2 SCI serial port (SuperH) - port 2
- 11 = /dev/ttySC3 SCI serial port (SuperH) - port 3
- 12 = /dev/ttyFW0 Firmware console - port 0
- 13 = /dev/ttyFW1 Firmware console - port 1
- 14 = /dev/ttyFW2 Firmware console - port 2
- 15 = /dev/ttyFW3 Firmware console - port 3
- 16 = /dev/ttyAM0 ARM "AMBA" serial port 0
- ...
- 31 = /dev/ttyAM15 ARM "AMBA" serial port 15
- 32 = /dev/ttyDB0 DataBooster serial port 0
- ...
- 39 = /dev/ttyDB7 DataBooster serial port 7
- 205 char Low-density serial ports (alternate device)
- 0 = /dev/culu0 Callout device for ttyLU0
- 1 = /dev/culu1 Callout device for ttyLU1
- 2 = /dev/culu2 Callout device for ttyLU2
- 3 = /dev/culu3 Callout device for ttyLU3
- 4 = /dev/cufb0 Callout device for ttyFB0
- 5 = /dev/cusa0 Callout device for ttySA0
- 6 = /dev/cusa1 Callout device for ttySA1
- 7 = /dev/cusa2 Callout device for ttySA2
- 8 = /dev/cusc0 Callout device for ttySC0
- 9 = /dev/cusc1 Callout device for ttySC1
- 10 = /dev/cusc2 Callout device for ttySC2
- 11 = /dev/cusc3 Callout device for ttySC3
- 12 = /dev/cufw0 Callout device for ttyFW0
- 13 = /dev/cufw1 Callout device for ttyFW1
- 14 = /dev/cufw2 Callout device for ttyFW2
- 15 = /dev/cufw3 Callout device for ttyFW3
- 16 = /dev/cuam0 Callout device for ttyAM0
- ...
- 31 = /dev/cuam15 Callout device for ttyAM15
- 32 = /dev/cudb0 Callout device for ttyDB0
- ...
- 39 = /dev/cudb7 Callout device for ttyDB7
- 206 char OnStream SC-x0 tape devices
- 0 = /dev/osst0 First OnStream SCSI tape, mode 0
- 1 = /dev/osst1 Second OnStream SCSI tape, mode 0
- ...
- 32 = /dev/osst0l First OnStream SCSI tape, mode 1
- 33 = /dev/osst1l Second OnStream SCSI tape, mode 1
- ...
- 64 = /dev/osst0m First OnStream SCSI tape, mode 2
- 65 = /dev/osst1m Second OnStream SCSI tape, mode 2
- ...
- 96 = /dev/osst0a First OnStream SCSI tape, mode 3
- 97 = /dev/osst1a Second OnStream SCSI tape, mode 3
- ...
- 128 = /dev/nosst0 No rewind version of /dev/osst0
- 129 = /dev/nosst1 No rewind version of /dev/osst1
- ...
- 160 = /dev/nosst0l No rewind version of /dev/osst0l
- 161 = /dev/nosst1l No rewind version of /dev/osst1l
- ...
- 192 = /dev/nosst0m No rewind version of /dev/osst0m
- 193 = /dev/nosst1m No rewind version of /dev/osst1m
- ...
- 224 = /dev/nosst0a No rewind version of /dev/osst0a
- 225 = /dev/nosst1a No rewind version of /dev/osst1a
- ...
- The OnStream SC-x0 SCSI tapes do not support the
- standard SCSI SASD command set and therefore need
- their own driver "osst". Note that the IDE, USB (and
- maybe ParPort) versions may be driven via ide-scsi or
- usb-storage SCSI emulation and this osst device and
- driver as well. The ADR-x0 drives are QIC-157
- compliant and don't need osst.
- 207 char Compaq ProLiant health feature indicate
- 0 = /dev/cpqhealth/cpqw Redirector interface
- 1 = /dev/cpqhealth/crom EISA CROM
- 2 = /dev/cpqhealth/cdt Data Table
- 3 = /dev/cpqhealth/cevt Event Log
- 4 = /dev/cpqhealth/casr Automatic Server Recovery
- 5 = /dev/cpqhealth/cecc ECC Memory
- 6 = /dev/cpqhealth/cmca Machine Check Architecture
- 7 = /dev/cpqhealth/ccsm Deprecated CDT
- 8 = /dev/cpqhealth/cnmi NMI Handling
- 9 = /dev/cpqhealth/css Sideshow Management
- 10 = /dev/cpqhealth/cram CMOS interface
- 11 = /dev/cpqhealth/cpci PCI IRQ interface
- 208 char User space serial ports
- 0 = /dev/ttyU0 First user space serial port
- 1 = /dev/ttyU1 Second user space serial port
- ...
- 209 char User space serial ports (alternate devices)
- 0 = /dev/cuu0 Callout device for ttyU0
- 1 = /dev/cuu1 Callout device for ttyU1
- ...
- 210 char SBE, Inc. sync/async serial card
- 0 = /dev/sbei/wxcfg0 Configuration device for board 0
- 1 = /dev/sbei/dld0 Download device for board 0
- 2 = /dev/sbei/wan00 WAN device, port 0, board 0
- 3 = /dev/sbei/wan01 WAN device, port 1, board 0
- 4 = /dev/sbei/wan02 WAN device, port 2, board 0
- 5 = /dev/sbei/wan03 WAN device, port 3, board 0
- 6 = /dev/sbei/wanc00 WAN clone device, port 0, board 0
- 7 = /dev/sbei/wanc01 WAN clone device, port 1, board 0
- 8 = /dev/sbei/wanc02 WAN clone device, port 2, board 0
- 9 = /dev/sbei/wanc03 WAN clone device, port 3, board 0
- 10 = /dev/sbei/wxcfg1 Configuration device for board 1
- 11 = /dev/sbei/dld1 Download device for board 1
- 12 = /dev/sbei/wan10 WAN device, port 0, board 1
- 13 = /dev/sbei/wan11 WAN device, port 1, board 1
- 14 = /dev/sbei/wan12 WAN device, port 2, board 1
- 15 = /dev/sbei/wan13 WAN device, port 3, board 1
- 16 = /dev/sbei/wanc10 WAN clone device, port 0, board 1
- 17 = /dev/sbei/wanc11 WAN clone device, port 1, board 1
- 18 = /dev/sbei/wanc12 WAN clone device, port 2, board 1
- 19 = /dev/sbei/wanc13 WAN clone device, port 3, board 1
- ...
- Yes, each board is really spaced 10 (decimal) apart.
- 211 char Addinum CPCI1500 digital I/O card
- 0 = /dev/addinum/cpci1500/0 First CPCI1500 card
- 1 = /dev/addinum/cpci1500/1 Second CPCI1500 card
- ...
- 216 char USB BlueTooth devices
- 0 = /dev/ttyUB0 First USB BlueTooth device
- 1 = /dev/ttyUB1 Second USB BlueTooth device
- ...
- 217 char USB BlueTooth devices (alternate devices)
- 0 = /dev/cuub0 Callout device for ttyUB0
- 1 = /dev/cuub1 Callout device for ttyUB1
- ...
- 218 char The Logical Company bus Unibus/Qbus adapters
- 0 = /dev/logicalco/bci/0 First bus adapter
- 1 = /dev/logicalco/bci/1 First bus adapter
- ...
- 219 char The Logical Company DCI-1300 digital I/O card
- 0 = /dev/logicalco/dci1300/0 First DCI-1300 card
- 1 = /dev/logicalco/dci1300/1 Second DCI-1300 card
- ...
- 220 char Myricom Myrinet "GM" board
- 0 = /dev/myricom/gm0 First Myrinet GM board
- 1 = /dev/myricom/gmp0 First board "root access"
- 2 = /dev/myricom/gm1 Second Myrinet GM board
- 3 = /dev/myricom/gmp1 Second board "root access"
- ...
- 221 char VME bus
- 0 = /dev/bus/vme/m0 First master image
- 1 = /dev/bus/vme/m1 Second master image
- 2 = /dev/bus/vme/m2 Third master image
- 3 = /dev/bus/vme/m3 Fourth master image
- 4 = /dev/bus/vme/s0 First slave image
- 5 = /dev/bus/vme/s1 Second slave image
- 6 = /dev/bus/vme/s2 Third slave image
- 7 = /dev/bus/vme/s3 Fourth slave image
- 8 = /dev/bus/vme/ctl Control
- It is expected that all VME bus drivers will use the
- same interface. For interface documentation see
- http://www.vmelinux.org/.
- 224 char A2232 serial card
- 0 = /dev/ttyY0 First A2232 port
- 1 = /dev/ttyY1 Second A2232 port
- ...
- 225 char A2232 serial card (alternate devices)
- 0 = /dev/cuy0 Callout device for ttyY0
- 1 = /dev/cuy1 Callout device for ttyY1
- ...
- 226 char Direct Rendering Infrastructure (DRI)
- 0 = /dev/dri/card0 First graphics card
- 1 = /dev/dri/card1 Second graphics card
- ...
- 227 char IBM 3270 terminal block-mode access
- 0 = /dev/3270/tub Controlling interface
- 1 = /dev/3270/tub1 First 3270 terminal
- 2 = /dev/3270/tub2 Second 3270 terminal
- ...
- 228 char IBM 3270 terminal Unix tty access
- 1 = /dev/3270/tty1 First 3270 terminal
- 2 = /dev/3270/tty2 Seconds 3270 terminal
- ...
- 229 char IBM iSeries virtual console
- 0 = /dev/iseries/vtty0 First console port
- 1 = /dev/iseries/vtty1 Second console port
- ...
- 230 char IBM iSeries virtual tape
- 0 = /dev/iseries/vt0 First virtual tape, mode 0
- 1 = /dev/iseries/vt1 Second virtual tape, mode 0
- ...
- 32 = /dev/iseries/vt0l First virtual tape, mode 1
- 33 = /dev/iseries/vt1l Second virtual tape, mode 1
- ...
- 64 = /dev/iseries/vt0m First virtual tape, mode 2
- 65 = /dev/iseries/vt1m Second virtual tape, mode 2
- ...
- 96 = /dev/iseries/vt0a First virtual tape, mode 3
- 97 = /dev/iseries/vt1a Second virtual tape, mode 3
- ...
- 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind
- 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind
- ...
- 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind
- 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind
- ...
- 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind
- 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind
- ...
- 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind
- 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind
- ...
- "No rewind" refers to the omission of the default
- automatic rewind on device close. The MTREW or MTOFFL
- ioctl()'s can be used to rewind the tape regardless of
- the device used to access it.
- 231-239 UNASSIGNED
- 240-254 LOCAL/EXPERIMENTAL USE
- 255 RESERVED
- This major is reserved to assist the expansion to a
- larger number space. No device nodes with this major
- should ever be created on the filesystem.
- **** ADDITIONAL /dev DIRECTORY ENTRIES
- This section details additional entries that should or may exist in
- the /dev directory. It is preferred that symbolic links use the same
- form (absolute or relative) as is indicated here. Links are
- classified as "hard" or "symbolic" depending on the preferred type of
- link; if possible, the indicated type of link should be used.
- Compulsory links
- These links should exist on all systems:
- /dev/fd /proc/self/fd symbolic File descriptors
- /dev/stdin fd/0 symbolic stdin file descriptor
- /dev/stdout fd/1 symbolic stdout file descriptor
- /dev/stderr fd/2 symbolic stderr file descriptor
- /dev/nfsd socksys symbolic Required by iBCS-2
- /dev/X0R null symbolic Required by iBCS-2
- Note: /dev/X0R is <letter X>-<digit 0>-<letter R>.
- Recommended links
- It is recommended that these links exist on all systems:
- /dev/core /proc/kcore symbolic Backward compatibility
- /dev/ramdisk ram0 symbolic Backward compatibility
- /dev/ftape qft0 symbolic Backward compatibility
- /dev/bttv0 video0 symbolic Backward compatibility
- /dev/radio radio0 symbolic Backward compatibility
- /dev/i2o* /dev/i2o/* symbolic Backward compatibility
- /dev/scd? sr? hard Alternate SCSI CD-ROM name
- Locally defined links
- The following links may be established locally to conform to the
- configuration of the system. This is merely a tabulation of existing
- practice, and does not constitute a recommendation. However, if they
- exist, they should have the following uses.
- /dev/mouse mouse port symbolic Current mouse device
- /dev/tape tape device symbolic Current tape device
- /dev/cdrom CD-ROM device symbolic Current CD-ROM device
- /dev/cdwriter CD-writer symbolic Current CD-writer device
- /dev/scanner scanner symbolic Current scanner device
- /dev/modem modem port symbolic Current dialout device
- /dev/root root device symbolic Current root filesystem
- /dev/swap swap device symbolic Current swap device
- /dev/modem should not be used for a modem which supports dialin as
- well as dialout, as it tends to cause lock file problems. If it
- exists, /dev/modem should point to the appropriate primary TTY device
- (the use of the alternate callout devices is deprecated).
- For SCSI devices, /dev/tape and /dev/cdrom should point to the
- ``cooked'' devices (/dev/st* and /dev/sr*, respectively), whereas
- /dev/cdwriter and /dev/scanner should point to the appropriate generic
- SCSI devices (/dev/sg*).
- /dev/mouse may point to a primary serial TTY device, a hardware mouse
- device, or a socket for a mouse driver program (e.g. /dev/gpmdata).
- Sockets and pipes
- Non-transient sockets and named pipes may exist in /dev. Common entries are:
- /dev/printer socket lpd local socket
- /dev/log socket syslog local socket
- /dev/gpmdata socket gpm mouse multiplexer
- Mount points
- The following names are reserved for mounting special filesystems
- under /dev. These special filesystems provide kernel interfaces that
- cannot be provided with standard device nodes.
- /dev/pts devpts PTY slave filesystem
- /dev/shm shmfs POSIX shared memory maintenance access
- **** TERMINAL DEVICES
- Terminal, or TTY devices are a special class of character devices. A
- terminal device is any device that could act as a controlling terminal
- for a session; this includes virtual consoles, serial ports, and
- pseudoterminals (PTYs).
- All terminal devices share a common set of capabilities known as line
- diciplines; these include the common terminal line dicipline as well
- as SLIP and PPP modes.
- All terminal devices are named similarly; this section explains the
- naming and use of the various types of TTYs. Note that the naming
- conventions include several historical warts; some of these are
- Linux-specific, some were inherited from other systems, and some
- reflect Linux outgrowing a borrowed convention.
- A hash mark (#) in a device name is used here to indicate a decimal
- number without leading zeroes.
- Virtual consoles and the console device
- Virtual consoles are full-screen terminal displays on the system video
- monitor. Virtual consoles are named /dev/tty#, with numbering
- starting at /dev/tty1; /dev/tty0 is the current virtual console.
- /dev/tty0 is the device that should be used to access the system video
- card on those architectures for which the frame buffer devices
- (/dev/fb*) are not applicable. Do not use /dev/console
- for this purpose.
- The console device, /dev/console, is the device to which system
- messages should be sent, and on which logins should be permitted in
- single-user mode. Starting with Linux 2.1.71, /dev/console is managed
- by the kernel; for previous versions it should be a symbolic link to
- either /dev/tty0, a specific virtual console such as /dev/tty1, or to
- a serial port primary (tty*, not cu*) device, depending on the
- configuration of the system.
- Serial ports
- Serial ports are RS-232 serial ports and any device which simulates
- one, either in hardware (such as internal modems) or in software (such
- as the ISDN driver.) Under Linux, each serial ports has two device
- names, the primary or callin device and the alternate or callout one.
- Each kind of device is indicated by a different letter. For any
- letter X, the names of the devices are /dev/ttyX# and /dev/cux#,
- respectively; for historical reasons, /dev/ttyS# and /dev/ttyC#
- correspond to /dev/cua# and /dev/cub#. In the future, it should be
- expected that multiple letters will be used; all letters will be upper
- case for the "tty" device (e.g. /dev/ttyDP#) and lower case for the
- "cu" device (e.g. /dev/cudp#).
- The names /dev/ttyQ# and /dev/cuq# are reserved for local use.
- The alternate devices provide for kernel-based exclusion and somewhat
- different defaults than the primary devices. Their main purpose is to
- allow the use of serial ports with programs with no inherent or broken
- support for serial ports. Their use is deprecated, and they may be
- removed from a future version of Linux.
- Arbitration of serial ports is provided by the use of lock files with
- the names /var/lock/LCK..ttyX#. The contents of the lock file should
- be the PID of the locking process as an ASCII number.
- It is common practice to install links such as /dev/modem
- which point to serial ports. In order to ensure proper locking in the
- presence of these links, it is recommended that software chase
- symlinks and lock all possible names; additionally, it is recommended
- that a lock file be installed with the corresponding alternate
- device. In order to avoid deadlocks, it is recommended that the locks
- are acquired in the following order, and released in the reverse:
- 1. The symbolic link name, if any (/var/lock/LCK..modem)
- 2. The "tty" name (/var/lock/LCK..ttyS2)
- 3. The alternate device name (/var/lock/LCK..cua2)
- In the case of nested symbolic links, the lock files should be
- installed in the order the symlinks are resolved.
- Under no circumstances should an application hold a lock while waiting
- for another to be released. In addition, applications which attempt
- to create lock files for the corresponding alternate device names
- should take into account the possibility of being used on a non-serial
- port TTY, for which no alternate device would exist.
- Pseudoterminals (PTYs)
- Pseudoterminals, or PTYs, are used to create login sessions or provide
- other capabilities requiring a TTY line dicipline (including SLIP or
- PPP capability) to arbitrary data-generation processes. Each PTY has
- a master side, named /dev/pty[p-za-e][0-9a-f], and a slave side, named
- /dev/tty[p-za-e][0-9a-f]. The kernel arbitrates the use of PTYs by
- allowing each master side to be opened only once.
- Once the master side has been opened, the corresponding slave device
- can be used in the same manner as any TTY device. The master and
- slave devices are connected by the kernel, generating the equivalent
- of a bidirectional pipe with TTY capabilities.
- Recent versions of the Linux kernels and GNU libc contain support for
- the System V/Unix98 naming scheme for PTYs, which assigns a common
- device, /dev/ptmx, to all the masters (opening it will automatically
- give you a previously unassigned PTY) and a subdirectory, /dev/pts,
- for the slaves; the slaves are named with decimal integers (/dev/pts/#
- in our notation). This removes the problem of exhausting the
- namespace and enables the kernel to automatically create the device
- nodes for the slaves on demand using the "devpts" filesystem.