Newsgroups: comp.sys.atari.st
Path: utzoo!utgpu!watserv1!roulston
From: roulston@watserv1.waterloo.edu (James Parker)
Subject: Re: Upgrade?
Message-ID: <1991Mar1.181631.27450@watserv1.waterloo.edu>
Keywords: Atari, memory
Organization: Dept. of Electrical and Computer Engineering
References: <8704@castle.ed.ac.uk> <1991Mar1.121834.22722@ux1.cso.uiuc.edu>
Date: Fri, 1 Mar 1991 18:16:31 GMT
Lines: 15

In article <1991Mar1.121834.22722@ux1.cso.uiuc.edu> wmagro@roma.uiuc.edu (William Magro) writes:
>I took a 1040STf (revision c, with ram UNDER the power supply) and upgraded
>it from 1024K to 2.5M in about 4hours for about $80.  I used two 1M SIMMs,
>1 resistor and a bunch of short pieces of wire.  You can go from 512 to
>1024 by just dropping in 16 more of the dram chips you already have, but
>2.5M is much nicer.  Should I post a pin mapping (SIMM to motherboard)?

I wish you would post a summary (or at least email it to me)
on how to upgrade a 1040 without a daughterboard. Right now the
board costs more than the RAM!!!
There is lots of info about on upgrading 520's but nothing much on 
how to go from 1Meg to 2.5M.

thanx
james
