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Article #14237Re: Xylogics XY 753 with CDC XMD-II (9772) (sun-spots v9n70, v9n71)
From: Guy Turcotte
Date: Tue, 13 Mar 1990 17:46
Date: Tue, 13 Mar 1990 17:46
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dan@breeze.bellcore.com (Daniel Strick) writes: >I once asked a CDC customer service engineer about this. He verified the >suspicion: the older CDC 9772 disk drives do not support specification of >the high order cylinder address bit during cylinder select (aka "tag-1") >using the "tag-4" signal line. The Xylogics 753 cannot address the last >40 cylinders on these drives. Somebody sent me a message 2 weeks ago about the fact that Xylogics may have a firmware revision of the 753 controller that address that problem. (I think it's revision 2.2) Guy Turcotte turcotte@asterix.drev.dnd.ca
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!rice!sun-spots-request From: turcotte@asterix.drev.dnd.ca (Guy Turcotte) Newsgroups: comp.sys.sun Subject: Re: Xylogics XY 753 with CDC XMD-II (9772) (sun-spots v9n70, v9n71) Keywords: Hardware Message-ID: <5751@brazos.Rice.edu> Date: 13 Mar 90 17:46:49 GMT Sender: root@rice.edu Organization: Sun-Spots Lines: 14 Approved: Sun-Spots@rice.edu X-Refs: Original: v9n70, Replies: v9n71 v9n82 X-Sun-Spots-Digest: Volume 9, Issue 82, message 6