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1.1 ! root 1: ! 2: ! 3: SCSI Device Driver SCSI ! 4: ! 5: ! 6: ! 7: ! 8: SCSI device drivers ! 9: ! 10: ! 11: The COHERENT SCSI series of device drivers lets you use SCSI- ! 12: interface devices attached to host adapters from several vendors. ! 13: ! 14: All COHERENT SCSI device drivers use major number 13, thus ! 15: allowing all SCSI devices to be accessed via standard device- ! 16: naming conventions. Peripherals can be accessed as either block- ! 17: or character-special devices. The minor number specifies the ! 18: device and partition number for disk-type devices; this allows ! 19: the use of up to eight SCSI identifiers (SCSI-ID's), with up to ! 20: four logical unit numbers (LUNs) per SCSI-ID and up to four ! 21: partitions per LUN. Tape and other special devices decode the ! 22: minor number to perform special operations such as ``rewind on ! 23: close'' or ``no rewind on close''. ! 24: ! 25: The first ooppeenn call on a SCSI disk device allocates memory for ! 26: the partition table and reads it into memory. ! 27: ! 28: See the release notes for further information regarding supported ! 29: host adapters and peripherals. ! 30: ! 31: ***** Files ***** ! 32: ! 33: /ddeevv/ssdd* -- block-special devices ! 34: /ddeevv/rrssdd* -- character-special devices ! 35: ! 36: ***** See Also ***** ! 37: ! 38: aahhaa115544xx, ddeevviiccee ddrriivveerrss, ddrrvvlldd, ssss ! 39: ! 40: ***** Notes ***** ! 41: ! 42: The Mark Williams Company's bulletin board makes available ! 43: loadable device drivers for various SCSI host adapters, as well ! 44: as device driver updates. See the release notes for further ! 45: information. ! 46: ! 47: ! 48: ! 49: ! 50: ! 51: ! 52: ! 53: ! 54: ! 55: ! 56: ! 57: ! 58: ! 59: ! 60: ! 61: ! 62: ! 63: ! 64: COHERENT Lexicon Page 1 ! 65: ! 66:
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