Hp 9121/9122 Flexible Disk Drives; Description And Support - HP 98568A Installation Instruction

HP 9121/9122 Flexible Disk Drives
Description and Support
The HP 9121 records data on a single-sided 3 1/2 -inch disk and the HP 9122
records data on double-sided or single-sided 3 1/2 -inch disks. The HP 91218
and HP 91228 have a single disk drive, while the HP 9121D and the HP 9122D
have two disk drives in the unit.
HP 9121 and 9122 Flexible Disk Drives
Series 300 HP-UX Operating System Support
on Release with Model
5.0 or later all Series 300 with boot
ROM Rev. A or later
Adding Mass Storage Devices 6-65