INT 13 - Seagate ST01/ST02 - SCSI(Small Computer Systems Interface) A system-independent expansion bus typically used to connect hard disks, tape drives, and CD-ROMs to a computer. A host adapter connects the SCSI bus to the computer's own bus. See also ESDI, IDE. Bus Parity AX = 5506h DL = drive ID (80h, 81h, ...) DH = subfunction 00h disable parity check 01h enable parity check 02h return current parity setting Return: AL = status 00h parity checking disabled 01h parity checking enabled