Int 78/AH=00h

TARGA.DEV - CMC International SCSI device driver - SET I/O PORT

AH = 00h
DX = interface board I/O port

Return:
CF set on error
AL = error code (see #03786)
InstallCheck:
(used by TARGA.DEV) test for the string "SCSI" at offset 03h
into the interrupt handler

Note: If this routine is not called, the port is the driver's default (usually 0280h or 0300h)

See Also: AH=01h - AH=02h

Index:
Installation check;TARGA.DEV

(Table 03786) Values for TARGA.DEV error code: 00h illegal command given to SCSI code 01h invalid I/O port specified (must be from 100H to 3F8H, and must be on an 8-port boundary) 02h invalid DMA channel specified (must be from 1 to 3) 03h invalid SCSI board number specified (must be from 0 to 7) 04h error from data register test during self-test 05h SCSI input signals not all 0 when SCSI RST activated 06h SCSI input signals not all 0 before selecting a SCSI device 07h BSY signal is active; SCSI bus is busy 08h SCSI board not selected, BSY signal did not come on in response to raising SEL 09h time-out waiting for status state, signifying end of DMA transfer

Category: Disk I/O Enhancements - Int 78h - T

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