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Article View: comp.sys.ibm.pc.misc
Article #9760

Re: Question about memory upgrade on my XT

#9760
From: Frank Abernathy
Date: Tue, 07 May 1991 13:43
33 lines
1513 bytes
In article <211.2824F26F@weyr.FIDONET.ORG>, Stephen.Atkins@f21.n140.z1.FIDONET.ORG (Stephen Atkins) writes:
> Hello there Raj.  You will probably have to get a memory card.  That is the 
> only way I know how you can do it on a XT.
> 
> Stephen Atkins
> 
> --  
> Stephen Atkins - via FidoNet node 1:140/22
> UUCP: ...!herald!weyr!21!Stephen.Atkins
> Domain: Stephen.Atkins@f21.n140.z1.FIDONET.ORG
> Standard Disclaimers Apply...

Sorry, I missed the original post....

If the original poster was trying to get 640K on the 
motherboard of a 'true blue' pc/xt 64-256k board;
it CAN BE DONE..

You repopulate the board with 2 rows of 64k and
2 rows of 256k add a 74ls158? (i think,i can verify
chip part number, the socket is already there and
empty) and put in a jumper; the spot is marked on 
the motherboard.  

If this is what was needed, reply and I'll be happy to
e-mail the 'correct' details.  I'm not at my office
right now.

IF the poster was looking for EXPANDED, you can't do 
that on the 'true blue' xt motherboard.

later
frank
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Message-ID: <48582@ut-emx.uucp>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!ut-emx!frank
References: <211.2824F26F@weyr.FIDONET.ORG>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!ut-emx!frank
From: frank@ut-emx.uucp (Frank Abernathy)
Newsgroups: comp.sys.ibm.pc.misc
Subject: Re: Question about memory upgrade on my XT
Summary: 640K? on XT, missed original post
Message-ID: <48582@ut-emx.uucp>
Date: 7 May 91 13:43:34 GMT
References: <211.2824F26F@weyr.FIDONET.ORG>
Organization: The University of Texas at Austin; Austin, Texas
Lines: 33