Did you use the DIP or PLCC 27C4096 for this?
On Fri, May 19, 2017 at 11:22 AM, Alain HAOUI wrote:
> With Peter Graf's indications and some AM27C4096 ships supplied by Derek
> Stewart, I realized a little circuit permitting to have a global ROM size
> of
> 1 MegaBytes on
With Peter Graf's indications and some AM27C4096 ships supplied by Derek
Stewart, I realized a little circuit permitting to have a global ROM size of
1 MegaBytes on Q40 with 2 big OSes (custom SMSQ/E) ROMed together (up to
512KB each) and selectable from a case switch.
You can find schematic