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From: serizawa@unagi.Solbourne.COM (Makoto Serizawa)
Newsgroups: comp.sys.mac.hardware
Subject: Re: SIMMS for the Portable
Keywords: Portable SIMMS
Message-ID: <1990Feb23.001858.8391@Solbourne.COM>
Date: 23 Feb 90 00:18:58 GMT
References: <1667@umigw.MIAMI.EDU> <19525@dartvax.Dartmouth.EDU>
Sender: news@Solbourne.COM
Reply-To: serizawa@unagi.Solbourne.COM (Makoto Serizawa)
Organization: Solbourne Computer Inc.
Lines: 18

In article <19525@dartvax.Dartmouth.EDU> tga@eleazar.dartmouth.edu (Greg Ames) writes:
>In article <1667@umigw.MIAMI.EDU> jpb@umbio.miami.edu (Joe Block) writes:
>:While I am on the subject of SIMMs for the Portable, does anyone know
>:of a third party source for them?  Given a choice, I'd prefer to
>:upgrade to 4 or 5 Megs of RAM instead of the inadequate 2MB Apple
>:is offering.
>
>I'm sure you could find the SIMM's somewhere, if you looked hard enough.
>I doubt there are enough portable owners yet to cause enough demand for
>the SIMM's to make them as hot an item as DRAM.  I don't think you will
>find bigger ones than Apple's, though.  If you can, they'll cost an arm
>a leg.  SRAM generally has smaller capacities than DRAM, so I doubt if
>anything over 1 meg is available.  Anyone know for sure?

I found a Apple custom chip on the Apple's SIMM for Portable. 
And using 32 of 256K SRAMs.

				serizawa@Solbourne.COM