Signal Monitor Board for Diagnostics and Repairs

In this video we check out Rudy’s NABU PC Signal Monitoring Board. This board is used for monitoring and diagnostics of the NABU Z80 based computer.

With Rudy’s board you can easily check voltages (+5, +12 and -12DC), clock signal, view and measure CPU related signals with ease.

This is an easy kit to build, plus Rudy provides the files for free so that you can make your own. The Gerber files are available for download at:

Thanks Rudy’s Retro Intel for this cool piece of NABU computer hardware. As we’ve been saying for months now: NABU forever!