RE: 1570 disk drive DEVICE NOT PRESENT ERROR

From: Baltissen, GJPAA (Ruud) <ruud.baltissen_at_apg.nl>
Date: Wed, 11 Jul 2012 07:53:36 +0200
Message-ID: <219DEB1536CDE04E98DDD8620CA8CD68275DFF@winsv293.office01.internalcorp.net>
Hallo Mark,
 

> Got a 1570 disk drive here that is giving a "DEVICE NOT PRESENT
ERROR".

Does the drive start up normally for the rest, that is: the motor runs
for a second and the drive LED tuns off as well?  If that is the case
and it was a 1541 I would recommend to replace the buffers at the IEC
bus: the 7406 and 7414. But right now I have no schematics at hand and
cannot tell if the 1570 uses the same circuit. But if it does, check
those out.


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