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:
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T...
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...
PROTON KB-2 keyboard
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R65 - A late seventies computer built with a KIM-1
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All information on the R65 and the emulator of th...