INT 13 - Seagate ST01/ST01 - Set Device Type Qualifier (DTQ) AX = 5503h DH = DTQ byte (see #00285) DL = drive ID (80h, 81h, ...) Return: nothing Bitfields for DTQ byte: Bit(s) Description (Table 00285) 7 reserved 6 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. drive attached 5 reserved 4 selected drive is ST225N/NP (Paired) 3 selected drive is ST225N 2 Host Adapter checks parity on the selected drive 1 selected drive has been installed 0 Seagate installation software present