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Article #773

missing upper memory blo

#773
From: Alan Motsinger
Date: Wed, 08 Apr 1992 00:57
42 lines
2063 bytes
.>
L.>I am looking for the answer for the following problem:
L.>Recently I bought a 486/33 PC with 4M RAM running DOS 5.0.
L.>I checked memory using mem/c and the following is the result:
L
L.>Conventional Memory :
L.>
L.>  Name                Size in Decimal       Size in Hex
L.>-------------      ---------------------   -------------
L
L.>Total  FREE :       604368      (590.2K)
L.>
L.>Upper Memory :
L.>
L.>  Name                Size in Decimal       Size in Hex
L.>-------------      ---------------------   -------------

L.>Total  FREE :         5160      (  5.0K)
L.>
L*********************************************************************
L.>
L.>Every thing seems fine except some upper memory blocks are missing (?)
L.>From what I understand (reading the DOS 5.0 manual), I should have
L.>1024 k - 640 k = 384 k upper memory blocks. But the output of mem/c 
L.>command only showed 191.8 k (160  + 22.4 + 4.1 + 0.3 + 5.0).
L.>I am confused. Help please.

Where do I begin. First, you won't get a full 384K. Some of that memory 
address is for video and some may be retained for the BIOS. I get over 
200K in this area but that is just a guide. For your convenience, I am 
following with my MEM/C (I get 629.1K of conventional free and I load 
absolutely everything in UMB), CONFIG.SYS, and AUTOEXEC.BAT.


___
 X WinQwk 1.30 #0 X Unregistered Evaluation Copy

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From: Alan.Motsinger@f230.n3603.z1.FIDONET.ORG (Alan Motsinger)
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Newsgroups: comp.sys.ibm.pc.misc
Subject: missing upper memory blo
Message-ID: <67911.29E2626A@psycho.fidonet.org>
Date: Tue, 07 Apr 92 20:57:00 EDT
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