HP drives

Eric Smith eric at brouhaha.com
Tue Dec 28 15:45:32 CST 2010

Tony Duell wrote:
> Howeer, was there ever a 70 cylinder 5.25" drive? That is one that was
> only designed to use 70 cylinders ? I mean a raw drive, not a
> drive+controller like the HP units we're discussing.
I haven't heard of one, though Micropolis made 77-track 5.25" drives 
with 100tpi (vs. 35 or 40 track at 48tpi and 80 track at 96tpi), and a 
few other vendors offered compatible drives, e.g. the Tandon TM100-4M, 
where the "M" designates it as a 100tpi model.

More information about the cctalk mailing list