I assume the box is just a somewhat generic project enclosure, similar to standard offerings from Bud, Hammond, etc.
I'll go through the power supply tomorrow or Monday and see where I can get with read mode. It looks like writes should be hardware timed, so that's good news! Thanks, Jonathan ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Saturday, October 30th, 2021 at 22:52, Chuck Guzis via cctalk <cctalk@classiccmp.org> wrote: > On 10/30/21 7:35 PM, Jonathan Chapman via cctalk wrote: > > > It's definitely not Intel, but I pulled the control board and traced it a > > bit this afternoon. It seems to be very similar to the circuit used on the > > Intel MP7-03 1702A programming module for the MCS-4/MCS-8 development > > systems. > > The colors aren't right for Intel, either. The scheme looks closer to > > that of the Zilog MCZ. > > --CHuck