The replica is yet another implementation of the idea from my Dutch friend Ruud Baltissen: Build a KIM-1 with 6532s replacing the 6530-002/003.
What makes this replica special is:
-
- It is a KIM-1, with everything the KIM-1 has: two 6532, audio, 1K RAM, 6530-002 and 6530-003 ROM, exactly the same logic for TTY and audio, application and extension connector.
- The layout is in size and layout nearly equal to the KIM-1, it looks as close as possible as the original
- The extra ROM is hidden on the back of the PCB
- The PCB traces are not straight with sharp corners, but are bended like the hand layed out KIM-1 PCB
The keyboard is the best replica of the KIM-1 keyboard ever seen, see the KIM-1 replica keyboard page for details
Ralf made available the gerbers of the Nachbau KIM-1 PCB and wrote a (in German) construction guide.
Here are the available downloads:

KIM-1 Nachbau Circuit diagram
Bare PCBs (thanks Micha!), not the latest, but will give an operational KIM-1
See also:
RSC-Forth
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RSC-Forth R56F11 R6501Q
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R6501Q kit
I have two R6501 IC's. One came with the Glitchworks GW-R65X1QSBC-1 kit, a R6501Q. The other from ebay, a R6501AQ (A for...
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R65F11 Forth computer
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