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From: dyer@spdcc.UUCP (Steve Dyer)
Newsgroups: net.micro.pc
Subject: PC/AT memory size/error; help needed
Message-ID: <227@spdcc.UUCP>
Date: Mon, 24-Mar-86 15:50:54 EST
Article-I.D.: spdcc.227
Posted: Mon Mar 24 15:50:54 1986
Date-Received: Wed, 26-Mar-86 04:41:51 EST
Organization: S.P. Dyer Computer Consulting, Cambridge MA
Lines: 17
Summary: CMOS RAM thinks I have more memory than I do; can't reboot

In pirating my AT for a memory board to put in my AT clone, I find now
that I cannot reboot the AT: I neglected to run SETUP from the diagnostic
disk first to resize the CMOS RAM's idea of how much memory I have.
Instead, the boot ROM sizes memory up to its new hi-water point, then
reports a 201-- memory error, then reports a memory size error, then
says "Run SETUP".  However, although the diskette then runs as if to
boot from disk, the system then simply hangs.  The behavior is identical
regardless of what copy of AT Diagnostics or DOS I load.

Short of taking down and opening up a perfectly well-running system to
temporarily snarf the memory board back, is there anything I can do?
I tried unplugging the battery from the board, but that seemed to have
no effect.
-- 
Steve Dyer
dyer@harvard.HARVARD.EDU
{bbncca,bbnccv,harvard,ima,ihnp4}!spdcc!dyer