Looking for source of MFM or RLL drives

From: Jerome H. Fine <jhfinepw4z_at_compsys.to>
Date: Fri Feb 7 23:02:00 2003

>Kelly Leavitt wrote:

> > I'm looking for 70 Meg or higher MFM (110 RLL capacity).
> Hmm... those aren't so common (in the DEC world, there are two
> choices - the RD53 (Miniscribe 1325) and the RD54 (Maxtor XT2190).

Jerome Fine replies:

By the way, the RD53 is a Micropolis 1325 or 1335 with the
R7 jumper added to the logic board. Otherwise, the DEC
RQDX2 will not recognize the drive. I have never tried them
on the RQDX3 without the R7 jumper, but it might be possible -
probably NOT.

And while there may still be rare occasions when you can actually
complete the FORMAT required for an RD53, I would recommend
that they be used ONLY for scratch at this point at the end of their
life cycle. I suppose that there might still be the odd RD53 that is
still living a good life, but most (almost all) have become so unreliable
that I strongly recommend NOT using them for any files you care to
see the next time you turn the computer on.

Sincerely yours,

Jerome Fine
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Received on Fri Feb 07 2003 - 23:02:00 GMT

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