Replacing 6550s

From: Eric Smith <eric_at_brouhaha.com>
Date: Sun Nov 22 13:53:14 1998

Doug Spence <ds_spenc_at_alcor.concordia.ca> wrote:
> I'm wondering if it would be possible to replace the RAM in an old PET
> with a modern SRAM by use of some kind of plug-in adapter.

I haven't seen the PET schematics, but since the 6550 had multiple chip selects
it might be necessary to wire up a decoder as well as a RAM chip.
Received on Sun Nov 22 1998 - 13:53:14 GMT