PN 80-153
Five IC’s on a SBC: 6502, 6522 VIA, 2716 EPROM, 2x 2114 SRAM, 74LS10 decoder
PCB images by Glen Deas, thanks!
(Clock modification with crystal, Don Sawyer)
This is a revision, connecting phi2 to pin 11 of the ‘LS10, “to improve memory response”, so the wire is soldered!
See also:
Proton PIM-1
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Here his photos of...
PROTON Electronics: PC-1, CB80, PIM-1
PROTON Electronics, a small company form Naarden the NEtherlands, led by James Post, and A.J. Kool as technical manager,...
EMUF 6504 remake
A remake by Klaus Loy of the 6504 based EMUF 6504 as published in MC, see the many original articles about the EMUF.
...
MACH-9 MMS Inc 6809 CPU Plug-in for AIM 65
Royce Taft has a MACH-9 MMS Inc 6809 CPU Plug-in for AIM 65 and reverse engineered it.
He sent me his design to be pu...