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From: hans@umd5.umd.edu (Hans Breitenlohner)
Newsgroups: comp.sys.atari.8bit
Subject: Re: More than 16K on a 600XL?
Message-ID: <1874@umd5.umd.edu>
Date: Fri, 21-Aug-87 15:16:37 EDT
Article-I.D.: umd5.1874
Posted: Fri Aug 21 15:16:37 1987
Date-Received: Sun, 23-Aug-87 02:33:07 EDT
References: <1830@bcsaic.UUCP> <1860@umd5.umd.edu>
Reply-To: hans@umd5.umd.edu (Hans Breitenlohner)
Organization: University of Maryland, College Park
Lines: 22
Keywords: memory

Here are two brief followups to my recent posting:

1. Feel free to pass the article to any bulletin board, network, newsletter,
   etc.  

2. If you install any 600XL upgrade which uses 64k by 4 RAMs, you should be
   aware that these are 256k RAM technology.  256k RAMs are much more for-
   giving about refresh than 64k RAMs.  While this is generally a good thing,
   it causes problems with the way the XL distinguishes between cold start
   and warm start.  Especially when the machine is cold, you may have to
   power it down for 10-15 seconds to convince it to do a cold start.
   There was a posting of a ROM patch to force cold starts from the keyboard,
   and I have developed something similar (better, of course, IMHO :-).
   Let me know if you want either.

For more info, I can be reached in the following ways:
   UUCP  !umd5!hans
   ARPA  hans@umd2.umd.edu (preferred) or hans@umd5.umd.edu
   Bitnet hans@umd2
   AT&T-net  301-454-2946
   usnail-net  Computer Science Center, Univ. of Maryland, College Park, Md,
                  20742