MFM vs. RLL Hard Drive Interfacing

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#9303

From: Warren Lieuallen
Date: Wed, 17 Apr 1991 22:00

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   I've got an RLL HD controller (and an RLL hard drive, naturally).
I'd like to buy another hard drive to add to my system, and have
found a good deal, but's it's an MFM drive.  The seller suggested
that I could simply hook the drive up to my RLL controler and
voila, it would now be an RLL drive, instantly upgraded to 7.5
Meg/sec (up from MFM's 5 Meg/sec).
   Is this true?  Can MFM and RLL drives be hooked up inter-
changeably?  If so, what's the difference between my ST138R and
the MFM version ST138?
   Many thanks!

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!rutgers!bobsbox!graphics!warrenl
From: warrenl@graphics.rent.com (Warren Lieuallen)
Newsgroups: comp.sys.ibm.pc.misc
Subject: MFM vs. RLL Hard Drive Interfacing
Message-ID: <a1ik13w164w@graphics.rent.com>
Date: 17 Apr 91 22:00:57 GMT
Organization: The Graphics BBS (2D,3D,GIF,Animation) +1 908/469-0049
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