PORTIBM PC Portable (uses same BIOS as XT) 0170-017F - Xirlink/Relialogic XL-220/221 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. adapter
Range:	alternate address at 0140, 0150, 0160
                                                                                

PORTIBM PC Portable (uses same BIOS as XT) 0170-017F - Future Domain TMC-16x0 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. adapter
Range:	alternate address at 0140, 0150, 0160