On Thu, 2 Apr 1998, Scott McLauchlan wrote:
> I collect home micros, and I recently acquired a Mac 128K. However, it's
> been quite heavily modified with contemporary third-party add-ons. It's
> been taken up to 1M RAM and it's had a SCSI interface installed.
>
> The memory has been taken up to 512K by removing the 64K x 1 bit RAM chips
> and replacing them with 256K x 1 bit chips, plus adding a few discrete
> components (not hard, considering the 128K and 512K Macs shared the same PC
> board). It has then been taken up to 1M by adding a third-party 512K RAM
> expansion board, which plugs into one of the RAM sockets (the chip it
> displaces being installed onto the expansion board), and is connected to
> the address decoding by several flying leads.
>
> The SCSI interface has been installed by removing the ROM chips, plugging a
> daughterboard into the empty ROM sockets, and plugging the ROM chips into
> the daughterboard. The SCSI socket replaces the cover over the battery in
> the back of the Mac.
It sounds like you have a pretty amazing Mac 128K! Why the hell would you
want to tear it back down to its puny original configuration? This Mac is
a testament to the expandability of a machine that no one thought
expandable.
LEAVE IT BE!
Sam Alternate e-mail: dastar_at_siconic.com
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Received on Thu Apr 02 1998 - 12:26:11 BST