non DEC drives (was: DEC 350)

From: Eric Smith <>
Date: Fri Jul 12 00:39:00 2002

Gordon Zaft <> wrote:
> As far as I know, the RD54 (aka Maxtor something or other, or
> Priam 519, or other similar) was the largest MFM drive ever made.

Not even close. For example, the Fujitsu Eagle (M2351) had a capacity
of 380 MB, vs. 150 MB for the Maxtor XT-2190. I'm pretty sure there were
other drives using MFM had even higher capacity. Of course, modern drives
use RLL rather than MFM because they can get 50-100% better data density
for a given channel bandwidth. And they use ZBR to pack more data into
the outer cyclinders, whereas MFM drives generally used the same data rate
on all cylinders.
Received on Fri Jul 12 2002 - 00:39:00 BST

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