CPU module testing without memory

A project log for PDPii

PDP-11 compatible motherboard in mini-ITX form factor

SHAOSSHAOS 05/21/2018 at 05:560 Comments

As I already wrote before, CPU module alone could be used to test 1801VM2 CPUs - with manual clock (when user presses button periodically) and without memory (databus always returns all zeros). This board was tested today:

This is video in 1080p60 mode:

and this is a success! ;)