RAM upgrades

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Article #2092

#2092

From: chad
Date: Wed, 28 Jun 1989 21:55

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Hi

I would like to know if replacing one row of 256kb chips (16 chips)
with one row of 1 megabit chips in a 1040 or 520STFM/upgraded will
give the magic 2.5 meg RAM on the motherboard.  Is there a problem
with this?

Also, I would like to DIY upgradethe old style 520 to 1 meg using
any method not requiring an add on board.  That means most likely
piggybacking.  Could someone please post what needs to be done to
do this. Ie, any extra parts needed, any pins not to solder, any jumpers, etc...

Thanks

Chad

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!ucbvax!decwrl!shlump.dec.com!hiatus.dec.com!norge.dec.com!chad
From: chad@norge.dec.com
Newsgroups: comp.sys.atari.st
Subject: RAM upgrades
Message-ID: <1280@hiatus.dec.com>
Date: 28 Jun 89 21:55:40 GMT
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Organization: Digital Equipment Corporation, Nashua NH
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