allisonp@world.std.com (Allison J Parent) wrote:
> Funny my DEC RDxx Disk Drive Reference Card <EK-ORDXX-RC-001> doc says:
> 
> 1224 cyl
> 15 heads
> 191MB unformatted
> 159MB formatted
Quoting from VS2000 owner's manual:
> Storage capacity: 155,677 kilobytes
> Average seek time: 30 ms
> Data bit rate: 5.0 MHz
> Rotation speed: 3600 rpm
> Cylinders: 1221
> Heads: 15
But of course this may be an error. As for cylinders vs. useable cylinders,
this is not a very plausible explanation, since the tables for RD32 and RD53
agree with the original manufactures' data without subtracting any cylinders.

Sincerely,
Michael Sokolov
Phone: 440-449-0299
ARPA Internet SMTP mail: sokolov@alpha.ces.cwru.edu