Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!olivea!samsung!uunet!bu.edu!m2c!risky.ecs.umass.edu!dime!gray
From: gray@ibis.cs.umass.edu (Lyle Gray)
Newsgroups: comp.sys.apple2
Subject: Re: Apple IIGS's Memory Limit
Summary: RAM limits
Message-ID: <32215@dime.cs.umass.edu>
Date: 18 Jun 91 20:20:04 GMT
References: <1991Jun17.065317.13965@clark.edu> <16430@smoke.brl.mil>
Sender: news@dime.cs.umass.edu
Reply-To: gray@cs.umass.edu (Lyle Gray)
Organization: University of Massachusetts, Amherst
Lines: 17

In article <16430@smoke.brl.mil> gwyn@smoke.brl.mil (Doug Gwyn) writes:
>No, it is architecturally incapable of accessing more than 8MB of
>main-memory RAM.  There is also a ROM space (containing the firmware
>and room for other ROM), but only a tiny number of sites are going to
>be able to exploit the additional ROM space.
>
>The on-board RAM lies within the 8MB space.

I seem to recall (from the original owner's manuals) that the RAM limit was
8.25 Mb, not 8 Mb.  The remaining addressable space (up to 16 Mb) was reserved
for ROM expansions.


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Lyle H. Gray                        Internet (personal): gray@cs.umass.edu
Quodata Corporation             Phone: (203) 728-6777, FAX: (203) 247-0249
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