HP 3.5 Dual Floppy Drive
Dual 3.5 Floppy Drives Capacity: 2DD-800KB / 2HD-1.2 & 1.44MB Interface:HP-IB Protocol:1CS/80 and SS/80 HP Disk Protocols
Voltage:90~132 VAC or 180~264VAC Frequency:47~440Hz Consumption:25W
Series 300 Basic:Rev 3.0 or Above Series 300/400 HP-UX:Rev 5.0 or Above Series 700 HP/UX:Rev 8.05 or Above This dual floppy drive powers up but could not be fully tested and is being sold as is with no warranty. No manual or peripherals are included.