Velleman Interface Motherboard

The Velleman Interface Motherboard for the Commodore 64 (K2628) had the following features:

- Plugged directly onto the expansion connector
- Had an identical connector a the rear side for another motherboard, a ROM-cartridge or another peripheral
- Room for 4 interface cards
- Buffered all the signals used by the system
- On-board rectifier and 5V regulators