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From: gillies@uiucdcsp.UUCP
Newsgroups: comp.sys.mac
Subject: Re: Reducing fan noise from Macintosh I
Message-ID: <76000034@uiucdcsp>
Date: Wed, 28-Oct-87 22:57:00 EST
Article-I.D.: uiucdcsp.76000034
Posted: Wed Oct 28 22:57:00 1987
Date-Received: Sun, 1-Nov-87 02:30:08 EST
References: <18318@teknowledge-vaxc.ARPA>
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Nf-ID: #R:teknowledge-vaxc.ARPA:18318:uiucdcsp:76000034:000:688
Nf-From: uiucdcsp.cs.uiuc.edu!gillies    Oct 28 21:57:00 1987


While you are moving your video card: Has anyone upgraded their video
card with their own chips?  A store technician told me it just
involves adding RAM chips.  Our Mac II uses 8 412564-150 chips.  I'm
not sure, but I believe these must be twin-ported 150ns 64K*4 chips.
I looked in BYTE briefly for this type of chip, but I didn't see it
for sale (not even at JameCo).  I saw other twin-ported 64K chips for
$4 each (41266?).  Thus, in principle, you should be able to buy the
chips for (?$32) and (*CAREFULLY AVOIDING STATIC DISCHARGE*) put them
in yourself.  

Has anyone done this themself?  Apple charges over $100 for the
upgrade.

Don Gillies {ihnp4!uiucdcs!gillies} U of Illinois