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SI = 6A6Ah AH = command (see #00227) AL = SCSI Addressing (see #00228)
Return:
CF clear if successful DI = 6A6Ah if AH=01h on entry (maybe for all functions???) AH = ??? for command 01h CF set on error AL = error code
See Also: INT 21/AX=4402h"ASPI"
(Table 00227) Values for SDLP command: 00h SDLP initialization 01h SDLP System Identify 02h simple read sectors 03h simple write sectors 04h simple verify sectors/seek to sector 05h get device size/type 06h ready unit 07h format unit 08h diagnostics 09h rewind 0Ah erase 0Bh write filemarks 0Ch space 0Dh prevent/allow media removal 0Eh load/unload media 0Fh reserved - returns good status 10h set block size 11h write setmark 12h set error level 13h get address of Request Sense Buffer 14h get SDLP error via Request Sense F0h Vendor Unique Function (WD7000-FASST2 only) FDh reset current SCSI HAC FEh get/set current SCSI HAC FFh execute SCSI command
Bitfields for SDLP SCSI addressing: Bit(s) Description (Table 00228) 7-6 Host Adapter 5-3 SCSI Target ID 2-0 SCSI Target LUN (logical unit number)
Category: Disk I/O Enhancements - Int 11h - C
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