768K on Leading Edge PC

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Article #15553

#15553

From: 164485913
Date: Thu, 05 Feb 1987 02:57

32 lines
2112 bytes

Greetings Netlandians,

I have a small problem/question about the Leading Edge model D (PC clone).
This computer comes with 512K of RAM and 9 sockets for 256K-bit RAM chips
to increase the memory to 640K of RAM.

According to various sources (my calculator included) 512K + 256K is not
640K, but 768K.

What I would like to know is:
    Where did the other 128K of RAM go?

Can this RAM be used as a RAM-disk, and how?
    (I doubt that MS-DOS can use it since it's above 640K.)

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!rutgers!cbmvax!vu-vlsi!excalibur!164485913
From: 164485913@excalibur.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: 768K on Leading Edge PC
Message-ID: <40@excalibur.UUCP>
Date: Wed, 4-Feb-87 21:57:35 EST
Article-I.D.: excalibu.40
Posted: Wed Feb  4 21:57:35 1987
Date-Received: Sat, 7-Feb-87 10:17:24 EST
Organization: SWORD, Villanova University
Lines: 32