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:
KIM-100
The KIM-100 is a homemade KIM-1 to S-100 bus system. Well designed, well documented and with a professional look.
Pho...
MTU K-1007 PET MTU bus interface
The K-1007-1-PET is an interface between the PET 2001 and the MTU/KIM-1 bus. This allows MTU products to be used on the ...
MTU Catalogs, Product Descriptions and Newsletters
Here you can find the product announcements from MTU. Starting with KIM-1 products like the K-1008 Visable memory in 197...
MTU K-1005 Card File and Motherboard using KIM/MTU bus
A passive card cage and 4 -slot bus for KIM-1, SYM-1, AIM 65 and PET Commodore.
Note that the KIM/MTU bus is stil...