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AH = 18h DL = hard drive ID
Return:
CF set on error AH = status code (see #00234 at AH=01h) CF clear if successful AX = 4321h (magic number) CX = controller family code (see #00249) ---if family code=0200h DH = number of exclusively ROM-controlled SCSI devices DL = canonical SCSI device number for specified drive ---if family code <> 0200h BH = number of exclusively ROM-controlled SCSI devices BL = canonical SCSI device number for specified drive
Notes: Also sets an internal flag (non-resettable) which prevents some controller messages from being displayed, allows writes to removable devices (use caution!), and enables the INT 13 interface for more than one drive (i.e. DL >= 81h) in at least some ROM versions. The TMC-950 does not support any Future Domain BIOS calls; instead, it provides a full CAM implementation (see INT 4F/AX=8100h)
See Also: AH=05h"SCSI" - AX=1700h"SCSI" - AH=1Bh"SCSI" - INT 4F/AX=8100h
(Table 00249) Values for Future Domain SCSI controller family code: 0200h TMC-1680/? (ROM 3.0) 0203h TMC-1650/1660/1670/1680 (ROM 2.0) 040Ah TMC-820/830/840/850/860/870/875/880/885 (ROM <= 6.0A) 050Dh TMC-840/841/880/881 (ROM 5.2D) 0700h TMC-830/850/860/875/885 (ROM 7.0)
Category: Disk I/O Enhancements - Int 13h - F
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