Xref: utzoo comp.sys.laptops:845 sci.electronics:12380
Path: utzoo!attcan!uunet!mcsun!ukc!edcastle!aipna!jlb
From: jlb@aipna.ed.ac.uk (John Beaven)
Newsgroups: comp.sys.laptops,sci.electronics
Subject: Help needed with Sharp 4501/A laptop RAM expansion
Message-ID: <2488@aipna.ed.ac.uk>
Date: 12 Jun 90 19:14:41 GMT
Reply-To: jlb@aipna.ed.ac.uk (John Beaven)
Organization: Dept of AI, Edinburgh University, UK.
Lines: 16

Hi folks

A friend of mine has a SHARP  4501/A laptop PC. This machine, no longer in
production, came with 256k of RAM which were upgradeable (in 128k increments)
to 640k by plugging a card underneath the computer.

The card itself takes perfectly standard chips, but it seems impossible to
get hold of it nowadays.

Does anyone out there happen to have the schematics so I can make one, or 
have any ideas about how to proceed?

Any  help will be greatly appreciated.

John
jlb@aipna.ed.ac.uk