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From: kenh@hscfsas1.harvard.edu (Ken Hancock)
Newsgroups: comp.sys.mac.hardware
Subject: Re: What is inside the Classic(s) ???
Message-ID: <4518@husc6.harvard.edu>
Date: 26 Oct 90 09:19:15 GMT
References: <1990Oct16.164437.6414@loop.uucp>
Sender: news@husc6.harvard.edu
Organization: Isle Systems - Waltham, MA
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In article <1990Oct16.164437.6414@loop.uucp> keithl@loop.uucp (Keith Lofstrom;;;628-3645) writes:
>There are "two" Classics.  The "smaller" Classic comes with 1meg of RAM,
>expandable to 2meg by adding the "Macintosh Classic Memory Expansion Card".
>The "larger" Classic comes with 2meg and a 40meg disk, and can be expanded
>to 4 meg with the addition of SIMMs.
>
>Obviously, these are not the same mother board.  This suggests some questions:

Wait a sec.  That's like saying that a Mac II with 4 megs has a different
motherboard that a Mac II with 8 megs.  (SIMMs are, after all, little "boards")

There is only one classic.  Two configurations are sold, just as there are
multiple configurations of most of their other line.  Memory in the Classic
is expanded in a different way than the other Macs.  Instead of installing
SIMMs, for a Classic owner to go from 1 -> 2 megs, they need to install
a "Macintosh Classic Memory Expansion Card".  All of the classics have
a spot for these.  The Memory Expansion Card consists of 1 meg of memory
soldered to the board, and two SIMM slots.  Adding 2 1MB SIMMs to the
board will further increase the memory from 2 to 4 megs.

All of the Classics may also take 1/3 height internal drives.
1/3 height, because they're 1) smaller, 2) take less power.

Ken

-- 
Ken Hancock                   | INTERNET: kenh@hscfsas1.harvard.edu 
Isle Systems                  | Disclaimer: My opinions are mine,  
Macintosh Consulting          | your opinions are yours.  Simple, isn't it?