Wednesday, March 28, 2007, 09:37 PM

Phimon was a quirky yet very powerful operating system for the digital group Z80 computer with phi-deck drives.

Fix for Blank Screen - From JUDGE Vol.1 No.1 Page 5 - July, 1977

FROM: David Bryand, author of PHIMON:

If your screen goes away in when you try to delete an error, it's because there is a small bug in . Just change 341004 from a 301 to a 304 and happiness will decend upon you TVC-64 owners!!

Fix for Read Errors on Phi-Deck System - Interview with Dr. Suding July-1978

This is an excerpt from an interview with Dr. Robert Suding published in the Bridge Newsletter from 1978. Note: The "wire" discussed below should be a stranded sheild from a coax cable. I carefully removed the insulation from a short length (4") of coax cable. Next I pulled out the insulated center wire and flattened the remaining sheilding.

Having read errors on your Phi-Deck system? ... This can be cured by running a wire from the motherboard ground plane to the nearest chassis screw. This will also eliminate many other noise problems. What happens is that the Phi-Deck head lines pick up as much as .8 volts of video noise. Installing the ground eliminates 9O% of this noise. This also will eliminate hum problems in the Votrax system.