Changing RAM ICs

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1 total messages Started by info-mac Fri, 13 Jul 1984 08:13

#494

Author: info-mac
Date: Fri, 13 Jul 1984 08:13

22 lines
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Date:     11 Jul 84 14:08:20-CDT (Wed)
From: Eric Roskos <uw-beaver!jer%vanderbilt.csnet@csnet-relay.arpa>
To: info-mac@sumex-aim.arpa
Subject:  Changing RAM ICs

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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