RNB Enterprises sold a range of AIM 65/SYM-1/KIM-1 extension cards, ranging from a VAK-1 Motherboard, RAM and EPROM cards anda prototyping card.

Photo by Eric Dennison
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VAK-1/2/4 manuals RNB Enterprises User Manual VAK-1 Motherboard Schematics of VAK-1 Motherboard User Manual VAK-2, -3, -4 (2x 8KB SRAM boards) |

Photo by Eric Dennison
Byte Magazine 1979 01 RNB Enterprises SYM-1 KIM-1 VAK-X boards advertisement
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Byte Magazine 1979 01 RNB Enterprises SYM-1 KIM-1 VAK-1to VAK-8 boards advertisement |



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...


