Changes between Revision 2 and Revision 3 Boards
Revision 3 boards had a number of minor changes to fix know issues on Revision 2 boards. No new features or capabilities were added.
– IC19 was removed
–IC18 changed from 74AVC1T45 to 74LVC1T45
– IC16 changed to 74LS00
– IC7 and IC8 changed to 74LS145
– R37 and R38 changed to 470 ohms
– C18 was added
– IC17 had power routing fixed
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KIM-1 Clone Rev 3 User manual |
See also:
PicoSYM, a SYM-1 emulator on a Raspberry Pico
Emulation of a Synertek Sym-1 on a Raspberry Pi Pico 1 (W).
By andysa on the emulation forum on 6502.org
Here is t...
Amazing it works!
After publishing the photos of the transistors used in the KIM-1 a discussion started on forum64.de in the 'Instandsetzu...
Transistors in the KIM-1
Even a microprocessor based computer as the KIM-1 required some simple transistors.
To drive the LEDs some extra curren...