Int 21/AX=4405h

Brian Antoine Seagate ST-01 SCSI.SYS - IOCTL - EXECUTE COMMANDS

AX = 4405h
BX = drive number (00h = default, 01h = A:, etc)
CX = number of bytes to write
DS:DX -> SCSIDISK control block (see also #01525 at AX=4403h"ST-01")

Return:
CF clear if successful
AX = number of bytes actually written
CF set on error
AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)

See Also: AX=4403h"ST-01"

Category: Disk I/O Enhancements - Int 21h - B

Interrups Categories Contents