27256 in place of a 2764

[UnR00ster]

See Ray Carlsen's site

http://staff.washington.edu/rrcc/

http://personalpages.tds.net/~rcarlsen/cbm/eprompla.txt

adapters

http://staff.washington.edu/rrcc/uwweb/EPROM/2x256.gif

and

http://staff.washington.edu/rrcc/uwweb/EPROM/2x128.gif

This is all for Commodore stuff, but the idea of using a modified socket and 
512K chip should work for you as well.  You can even use it to store the OEM 
code and any 'hacked' code you have.   Good luck.

----- Original Message ----- 
From: "David Griffith" <dgriffi at cs.csubak.edu>
To: <cctalk at classiccmp.org>
Sent: Sunday, January 27, 2008 8:37 PM
Subject: 27256 in place of a 2764


>
> Under what conditions can a 27256 be used in place of a 2764?  I have a
> schematic that calls for the latter, of which I have none, but I have lots
> of the former.
>
> -- 
> David Griffith
> dgriffi at cs.csubak.edu