PET 2001

From: Philip.Belben_at_powertech.co.uk <(Philip.Belben_at_powertech.co.uk)>
Date: Thu Jul 9 12:56:02 1998

>> About then. The monitor - hex only - replaced diagnostic routines in
>> the original ROMs. A listing was actually given in the original PET
>> manual, but I couldn't get it to work whenever I typed it in...
>
> Don't thoes diagnostics need loopback connectors for the user port (links
> things like video signals to the user port pins) and the keyboard
> connector?

They do indeed. I have a set somewhere. I was given them by another
PET owner who had bought them but never used them, being afraid he'd
damage the machine by so doing. I don't recall anything in the PET
circuit diagrams etc that suggested you could damage the PET with these,
but then again...

Philip.
Received on Thu Jul 09 1998 - 12:56:02 BST