Newsgroups: comp.sys.mac.hardware
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!uupsi!rodan.acs.syr.edu!dinapoli
From: dinapoli@rodan.acs.syr.edu (Ron DiNapoli)
Subject: Re: Memory Limitations on IIsi
Message-ID: <1991May21.183808.9266@rodan.acs.syr.edu>
Organization: Syracuse University, Syracuse, NY
References: <43546@netnews.upenn.edu>
Distribution: usa
Date: Tue, 21 May 91 18:38:08 GMT

In article <43546@netnews.upenn.edu> meckert@eniac.seas.upenn.edu (Michael Eckert) writes:
>
>Since accessing large amounts of memory seems to be
>so important (see the Dirty (Non 32-bit Clean) ROM 
>issue), I have a question. I have a MAC IIsi which has
>only four SIMM slots, which means that at present
>I can have a maximum of 17 MB (4 x 4MB SIMMS + 1MB)
>on the computer.  Will I be able to pop in
>16 MB SIMMS when they become available?  Or are there
>hardware limitations on memory access?  This is an important
>question for a budding power user of the future.
>
>Michael
>
>meckert@eniac.seas.upenn.edu

From Apple's "Macintosh IIsi Developer Note" (10/5/90), page 16, the text 
reads:

	"The Bank B expansion memory can contain either four 256KB SIMMS
	(made from 1-MBit fast page mode parts), four 1 MB SIMMs, four
	4 MB SIMMs, or four 16 MB SIMMs."

Ron D.