Why is installed memory > Usable memory (16 vs 15.6 Mb) on my Model 90

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#1428

From: Richard Stanton
Date: Tue, 26 Jan 1993 23:04

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After many attempts (involving swapping memory from one slot to another...)
I have upgraded my Ps/2 model 90 from 8 to 16 Mb. However, when I fire it up,
it only counts up to 16000k (rather than 16384), and the reference disk tells
me I have 16Mb installed, but only 15.6Mb usable.

Should I try to do anything about this, or is this what I should be seeing?
At various times, it managed to count to only 12Mb, 4Mb!, 8Mb etc, so
maybe I should be glad I can boot at all. However, I'd appreciate knowing
if I should be trying to correct some problem (of course, even 15.6 Mb is a 
lot more than 8).

Thanks for any suggestions

Richard Stanton

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Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!ames!agate!haas.berkeley.edu!stanton
From: stanton@haas.berkeley.edu (Richard Stanton)
Newsgroups: comp.sys.ibm.ps2.hardware
Subject: Why is installed memory > Usable memory (16 vs 15.6 Mb) on my Model 90
Date: 26 Jan 1993 23:04:50 GMT
Organization: University of California, Berkeley
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