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1.1 root 1:
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3: device drivers Overview device drivers
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8: A device driver is a program that controls the action of one of
9: the physical devices attached to your computer system.
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11: The following table lists the device drivers included with this
12: edition of the COHERENT system. The first field gives the
13: device's major device number; the second gives its name; and the
14: third describes it. When a major device number has no driver as-
15: sociated with it, that device is available for a driver yet to be
16: written.
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18: 0: *mmeemm Interface to memory
19: 1: ttttyy Primitive tty driver
20: 2: kkbb/mmmm Keyboard and video
21: 3: llpp Parallel line printer
22: 4: ffll Floppy drive
23: 5: aall00 Serial line 0 (COM1 and COM3)
24: 6: aall11 Serial line 1 (COM2 and COM4)
25: 7: hhss Generic polled multi-port serial card
26: 8: rrmm RAM disk
27: 9:
28: 10:
29: 11: aatt AT hard disk
30: 12:
31: 13: ssccssii SCSI device driver
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41: 23: sseemm System V compatible semaphores
42: 24: sshhmm System V subset shared memory
43: 25: mmssgg System V compatible messaging
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50:
51: Also included are drivers for the following devices:
52: ccoonnssoollee Console driver
53: cctt Controlling terminal driver
54: nnuullll The ``bit bucket''
55:
56: ***** See Also *****
57:
58: at, boot, com, console, ct, fl, Lexicon, lp, mboot, mem, msg,
59: null, scsi, sem, shm, tape, termio
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64: COHERENT Lexicon Page 1
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69: device drivers Overview device drivers
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73: ***** Notes *****
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75: See the Release Notes for your release of COHERENT for a list of
76: supported devices and device drivers.
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78: The devices msg, sem, and shm are loadable drivers that can be
79: loaded into memory using the command drvld. See their respective
80: entries for more information.
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130: COHERENT Lexicon Page 2
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