View Single Post
Old 13th Mar 2021, 10:51 am   #1007
ajgriff
Nonode
 
ajgriff's Avatar
 
Join Date: May 2004
Location: Halifax, West Yorkshire, UK.
Posts: 2,587
Default Re: Non-working Commodore PET 3016

Quote:
Originally Posted by SiriusHardware View Post
The intermittent / unpredictable effects seen were all with the original UF9 (suspected faulty) fitted or with no UF9 fitted. Since a new UF9 device was fitted I think the output has been constant chequerboard ....
Fair comment and I think you're right. However, it does seem strange that when the old UF9 was refittted the @s emerged. Also at one point earlier (before UF9s removal) Colin detected the ; code. Perhaps these anomalies were indeed caused by a faulty UF9. Difficult to be sure.

Alan
ajgriff is offline