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Path: utzoo!mnetor!seismo!think!nike!ucbcad!ucbvax!HI-MULTICS.ARPA!Boebert
From: Boebert@HI-MULTICS.ARPA
Newsgroups: net.micro.apple
Subject: ][+ w/munged memory
Message-ID: <861015190558.956605@HI-MULTICS.ARPA>
Date: Wed, 15-Oct-86 15:05:00 EDT
Article-I.D.: HI-MULTI.861015190558.956605
Posted: Wed Oct 15 15:05:00 1986
Date-Received: Wed, 15-Oct-86 21:53:10 EDT
Sender: daemon@ucbvax.BERKELEY.EDU
Organization: The ARPA Internet
Lines: 21

My ][+ has the following hard memory failure:  at locations 8000 and
above, the monitor commands

*8000:  00 00 00 00 00

*8000.8004

results in a display of

40 40 40 40 40

and similarly for other entered values (i.e., 01 -> 41, etc.).  This
failure was traced from its original symptom, failure to boot (obviously
owing to the relocation failures at high memory).  Failure occurs with
all slots empty; the machine also has a new power supply.  So, for all
you ][+ hardware wizards out there:  what chips do I replace to fix
this?

Thanks,

Earl (Boebert @ HI-Multics)