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AH = 1Ch DL = hard drive ID (any valid SCSI hard disk)
Return:
CF set on error AH = status code (see #00234 at AH=01h) CF clear if successful ES:BX -> first byte of free RAM on controller
Notes: The Future Domain TMC-870 contains 1024 bytes of RAM at offsets 1800h to 1BFFh on-board the controller for storing drive information and controller status; ES:BX points to the first byte available for other uses. ES contains the segment at which the controller resides; the controller's two memory-mapped I/O ports are at offsets 1C00h, 1E00h
See Also: AH=1Bh"SCSI"
Category: Disk I/O Enhancements - Int 13h - F
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