On Mar 18, 11:27, Hans Franke wrote:
> [1] People who used ZX81s for robotics normally
added a 6116 CMOS RAM
(at
least) onto
the expansion connector and removed (or at least disabled)
the power-hungry interal RAM.
Wasn't the ZX81 board already prepared to use a 6116 instead ?
Yes, it was. I put 6116's in several.
--
Pete Peter Turnbull
Network Manager
University of York