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Article #138

Changing RAM ICs

#138
From: info-mac
Date: Thu, 12 Jul 1984 15:28
18 lines
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From: Eric Roskos <jer%vanderbilt.csnet@csnet-relay.arpa>
Recently there has been some discussion on changing the RAM chips on
the Mac.  At the risk of redundancy, I have two questions:

1) Has it actually been determined that you can replace the existing
RAMs with new ones (256K I guess) to increase the memory size?  The
last I had heard on here, there was some question as to whether that
was all that needed to be done.

2) It puzzles me that no one has suggested using a desoldering pump to
remove the RAMs... I have often used a desoldering pump to extract
ICs on our large multilayer circuit boards in our ``mainframe'' machines
here, with no problems and no damage either to the circuit board or the
chips.  The desoldering pumps cost around $12, compared to the cost
of cutting out the RAMs...

					-- J. Eric Roskos
					   jer@vanderbilt
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From: info-mac@uw-beaver.UUCP
Newsgroups: fa.info-mac
Subject: Changing RAM ICs
Message-ID: <1205@uw-beaver>
Date: Thu, 12-Jul-84 11:28:14 EDT
Article-I.D.: uw-beave.1205
Posted: Thu Jul 12 11:28:14 1984
Date-Received: Fri, 13-Jul-84 05:00:02 EDT
Sender: daemon@uw-beave
Organization: U of Washington Computer Science
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