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From: rde@ukc.UUCP (R.D.Eager)
Newsgroups: net.wanted,net.micro
Subject: Memory upgrades for DEC Rainbow
Message-ID: <499@ukc.UUCP>
Date: Mon, 16-Dec-85 06:26:39 EST
Article-I.D.: ukc.499
Posted: Mon Dec 16 06:26:39 1985
Date-Received: Thu, 19-Dec-85 04:27:03 EST
Reply-To: rde@ukc.UUCP (R.D.Eager)
Organization: U of Kent at Canterbury, Canterbury, UK
Lines: 26
Xref: watmath net.wanted:7782 net.micro:13136


We  have  unfortunately  purchased  about  20-25 DEC Rainbows for use in
teaching.  The decision was made by a committee....

These are fitted with the "old" 256K memory board that can't be expanded
further; needless to say we now need more memory and are trying to  find
cheap ways of doing this.

My questions are:

   a) has anybody modified the "old" memory board for 256K chips?
   b) has anybody a design or even a schematic for a board using 256K
      chips and giving at least 512K total?
   c) does anyone know of non-DEC suppliers (DEC prices are complete
      ripoffs) for such boards?

If  we  can't  get this done cheaply we may as well just buy replacement
machines....-)
-- 
           Bob Eager

           rde@ukc.UUCP
           rde@ukc
           ...!mcvax!ukc!rde

           Phone: +44 227 66822 ext 7589