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From: berger@clio.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: Re: 768K on Leading Edge PC
Message-ID: <16800035@clio>
Date: Fri, 6-Feb-87 16:19:00 EST
Article-I.D.: clio.16800035
Posted: Fri Feb  6 16:19:00 1987
Date-Received: Sun, 8-Feb-87 06:09:53 EST
References: <40@excalibur.UUCP>
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Nf-ID: #R:excalibur.UUCP:40:clio:16800035:000:349
Nf-From: clio.Uiuc.ARPA!berger    Feb  6 15:19:00 1987


Typically (and I'm not familiar with your machine, so it may not apply)
the address decoding expects two banks of 256K ram and one bank of 64K
ram for a total of 640K.  In some machines, you can actually install
768K, but that will usually conflict with devices that may be memory
mapped above 640K, like the standard IBM type display controllers.