68010 Single Board Computer

68010 top picture

Back in the 80's before 386 computers were affordable, I built a single board computer based off a 68010 with MMU to run Minix or Unix. The system featured:

All design was done by me. DMA controller handle data transfers and refresh of dynamic memory. The system worked property, but I moved to CA before I could finish writing the device boot code. Also there was a problem with power on reset not always working. If there is interest I can scan the schematics and make them available here.

Top view Top view of prototype board.

Bottom view Bottom view of prototype board, this took several weeks to wire wrap!.

Annoted view Annoted view of board showing location of various circuits.