Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!yale!cmcl2!adm!smoke!gwyn
From: gwyn@smoke.brl.mil (Doug Gwyn)
Newsgroups: comp.sys.apple2
Subject: Re: DMA memory size clarification.
Message-ID: <14471@smoke.brl.mil>
Date: 15 Nov 90 19:42:01 GMT
References: <526@fawlty.towers.oz>
Organization: U.S. Army Ballistic Research Laboratory, APG, MD.
Lines: 8

In article <526@fawlty.towers.oz> johnmac@fawlty.towers.oz (John MacLean) writes:
>The boundary condition as to what happens over the 8 meg line
>if you had 8.25 or 9.125 Meg is beyond me -

I have 8MB on a memory expansion card and 0.25MB on the motherboard.
Only 8MB of RAM is accessible due to the addressing structure of the IIGS.
This is described in the Apple IIGS Hardware Reference manual, which also
tries to insist that only the lower 4MB will work (simply not true).