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@@ -3,7 +3,7 @@
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Maintained by Torben Mathiasen <device@lanana.org>
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- Last revised: 25 January 2005
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+ Last revised: 01 March 2006
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This list is the Linux Device List, the official registry of allocated
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device numbers and /dev directory nodes for the Linux operating
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@@ -94,7 +94,6 @@ Your cooperation is appreciated.
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9 = /dev/urandom Faster, less secure random number gen.
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10 = /dev/aio Asyncronous I/O notification interface
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11 = /dev/kmsg Writes to this come out as printk's
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- 12 = /dev/oldmem Access to crash dump from kexec kernel
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1 block RAM disk
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0 = /dev/ram0 First RAM disk
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1 = /dev/ram1 Second RAM disk
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@@ -262,13 +261,13 @@ Your cooperation is appreciated.
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NOTE: These devices permit both read and write access.
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7 block Loopback devices
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- 0 = /dev/loop0 First loopback device
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- 1 = /dev/loop1 Second loopback device
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+ 0 = /dev/loop0 First loop device
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+ 1 = /dev/loop1 Second loop device
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...
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- The loopback devices are used to mount filesystems not
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+ The loop devices are used to mount filesystems not
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associated with block devices. The binding to the
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- loopback devices is handled by mount(8) or losetup(8).
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+ loop devices is handled by mount(8) or losetup(8).
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8 block SCSI disk devices (0-15)
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0 = /dev/sda First SCSI disk whole disk
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@@ -943,7 +942,7 @@ Your cooperation is appreciated.
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240 = /dev/ftlp FTL on 16th Memory Technology Device
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Partitions are handled in the same way as for IDE
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- disks (see major number 3) expect that the partition
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+ disks (see major number 3) except that the partition
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limit is 15 rather than 63 per disk (same as SCSI.)
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45 char isdn4linux ISDN BRI driver
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@@ -1168,7 +1167,7 @@ Your cooperation is appreciated.
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The filename of the encrypted container and the passwords
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are sent via ioctls (using the sdmount tool) to the master
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node which then activates them via one of the
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- /dev/scramdisk/x nodes for loopback mounting (all handled
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+ /dev/scramdisk/x nodes for loop mounting (all handled
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through the sdmount tool).
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Requested by: andy@scramdisklinux.org
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@@ -2538,18 +2537,32 @@ Your cooperation is appreciated.
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0 = /dev/usb/lp0 First USB printer
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...
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15 = /dev/usb/lp15 16th USB printer
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- 16 = /dev/usb/mouse0 First USB mouse
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- ...
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- 31 = /dev/usb/mouse15 16th USB mouse
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- 32 = /dev/usb/ez0 First USB firmware loader
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- ...
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- 47 = /dev/usb/ez15 16th USB firmware loader
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48 = /dev/usb/scanner0 First USB scanner
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...
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63 = /dev/usb/scanner15 16th USB scanner
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64 = /dev/usb/rio500 Diamond Rio 500
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65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de)
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66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD)
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+ 96 = /dev/usb/hiddev0 1st USB HID device
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+ ...
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+ 111 = /dev/usb/hiddev15 16th USB HID device
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+ 112 = /dev/usb/auer0 1st auerswald ISDN device
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+ ...
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+ 127 = /dev/usb/auer15 16th auerswald ISDN device
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+ 128 = /dev/usb/brlvgr0 First Braille Voyager device
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+ ...
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+ 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device
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+ 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device
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+ 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device
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+ ...
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+ 140 = /dev/usb/sisusbvga8 Eigth SISUSB VGA device
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+ 144 = /dev/usb/lcd USB LCD device
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+ 160 = /dev/usb/legousbtower0 1st USB Legotower device
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+ ...
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+ 175 = /dev/usb/legousbtower15 16th USB Legotower device
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+ 240 = /dev/usb/dabusb0 First daubusb device
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+ ...
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+ 243 = /dev/usb/dabusb3 Fourth dabusb device
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180 block USB block devices
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0 = /dev/uba First USB block device
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@@ -2710,6 +2723,17 @@ Your cooperation is appreciated.
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1 = /dev/cpu/1/msr MSRs on CPU 1
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...
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+202 block Xen Virtual Block Device
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+ 0 = /dev/xvda First Xen VBD whole disk
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+ 16 = /dev/xvdb Second Xen VBD whole disk
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+ 32 = /dev/xvdc Third Xen VBD whole disk
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+ ...
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+ 240 = /dev/xvdp Sixteenth Xen VBD whole disk
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+
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+ Partitions are handled in the same way as for IDE
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+ disks (see major number 3) except that the limit on
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+ partitions is 15.
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+
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203 char CPU CPUID information
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0 = /dev/cpu/0/cpuid CPUID on CPU 0
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1 = /dev/cpu/1/cpuid CPUID on CPU 1
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@@ -2747,11 +2771,26 @@ Your cooperation is appreciated.
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46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0
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...
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47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5
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- 50 = /dev/ttyIOC40 Altix serial card
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+ 50 = /dev/ttyIOC0 Altix serial card
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+ ...
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+ 81 = /dev/ttyIOC31 Altix serial card
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+ 82 = /dev/ttyVR0 NEC VR4100 series SIU
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+ 83 = /dev/ttyVR1 NEC VR4100 series DSIU
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+ 84 = /dev/ttyIOC84 Altix ioc4 serial card
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+ ...
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+ 115 = /dev/ttyIOC115 Altix ioc4 serial card
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+ 116 = /dev/ttySIOC0 Altix ioc3 serial card
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+ ...
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+ 147 = /dev/ttySIOC31 Altix ioc3 serial card
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+ 148 = /dev/ttyPSC0 PPC PSC - port 0
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+ ...
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+ 153 = /dev/ttyPSC5 PPC PSC - port 5
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+ 154 = /dev/ttyAT0 ATMEL serial port 0
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...
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- 81 = /dev/ttyIOC431 Altix serial card
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- 82 = /dev/ttyVR0 NEC VR4100 series SIU
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- 83 = /dev/ttyVR1 NEC VR4100 series DSIU
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+ 169 = /dev/ttyAT15 ATMEL serial port 15
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+ 170 = /dev/ttyNX0 Hilscher netX serial port 0
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+ ...
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+ 185 = /dev/ttyNX15 Hilscher netX serial port 15
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205 char Low-density serial ports (alternate device)
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0 = /dev/culu0 Callout device for ttyLU0
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@@ -2786,8 +2825,8 @@ Your cooperation is appreciated.
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50 = /dev/cuioc40 Callout device for ttyIOC40
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...
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81 = /dev/cuioc431 Callout device for ttyIOC431
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- 82 = /dev/cuvr0 Callout device for ttyVR0
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- 83 = /dev/cuvr1 Callout device for ttyVR1
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+ 82 = /dev/cuvr0 Callout device for ttyVR0
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+ 83 = /dev/cuvr1 Callout device for ttyVR1
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206 char OnStream SC-x0 tape devices
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@@ -2897,7 +2936,6 @@ Your cooperation is appreciated.
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...
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196 = /dev/dvb/adapter3/video0 first video decoder of fourth card
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-
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216 char Bluetooth RFCOMM TTY devices
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0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device
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1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device
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@@ -3002,12 +3040,43 @@ Your cooperation is appreciated.
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ioctl()'s can be used to rewind the tape regardless of
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the device used to access it.
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-231 char InfiniBand MAD
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+231 char InfiniBand
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0 = /dev/infiniband/umad0
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1 = /dev/infiniband/umad1
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- ...
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+ ...
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+ 63 = /dev/infiniband/umad63 63rd InfiniBandMad device
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+ 64 = /dev/infiniband/issm0 First InfiniBand IsSM device
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+ 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device
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+ ...
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+ 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device
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+ 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device
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+ 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
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+ ...
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+ 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device
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+
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+232 char Biometric Devices
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+ 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device
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+ 1 = /dev/biometric/sensor0/iris first iris sensor on first device
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+ 2 = /dev/biometric/sensor0/retina first retina sensor on first device
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+ 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device
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+ 4 = /dev/biometric/sensor0/facial first facial sensor on first device
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+ 5 = /dev/biometric/sensor0/hand first hand sensor on first device
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+ ...
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+ 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device
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+ ...
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+ 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device
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+ ...
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-232-239 UNASSIGNED
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+233 char PathScale InfiniPath interconnect
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+ 0 = /dev/ipath Primary device for programs (any unit)
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+ 1 = /dev/ipath0 Access specifically to unit 0
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+ 2 = /dev/ipath1 Access specifically to unit 1
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+ ...
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+ 4 = /dev/ipath3 Access specifically to unit 3
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+ 129 = /dev/ipath_sma Device used by Subnet Management Agent
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+ 130 = /dev/ipath_diag Device used by diagnostics programs
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+
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+234-239 UNASSIGNED
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240-254 char LOCAL/EXPERIMENTAL USE
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240-254 block LOCAL/EXPERIMENTAL USE
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@@ -3021,6 +3090,24 @@ Your cooperation is appreciated.
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This major is reserved to assist the expansion to a
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larger number space. No device nodes with this major
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should ever be created on the filesystem.
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+ (This is probaly not true anymore, but I'll leave it
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+ for now /Torben)
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+
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+---LARGE MAJORS!!!!!---
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+
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+256 char Equinox SST multi-port serial boards
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+ 0 = /dev/ttyEQ0 First serial port on first Equinox SST board
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+ 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board
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+ 128 = /dev/ttyEQ128 First serial port on second Equinox SST board
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+ ...
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+ 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board
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+
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+256 block Resident Flash Disk Flash Translation Layer
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+ 0 = /dev/rfda First RFD FTL layer
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+ 16 = /dev/rfdb Second RFD FTL layer
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+ ...
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+ 240 = /dev/rfdp 16th RFD FTL layer
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+
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**** ADDITIONAL /dev DIRECTORY ENTRIES
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Jan Engelhardt