osiweb.org

No 620 card downunder sorry.

Have you got video and or sync signals at U70 ?? Is the video pot fully clockwise (near U70) ?

Awesome, just quietly I knew YOU could sort it.
Hope you have something interesting other than just DOS disks Dave , please ...

Buy why wouldnt one just use Cegmon @ $F800 these days ??

Dig them out please...

Welcome Evan. It will be interesting to see if your Superboard is still working. You will find most info you may need on osiweb and help via this forum should you require it. We would certainly be interested in your software and I hope your tapes are still readable. Any blurb as well ! You join at a...

U70 7403 commonly faulty.

Nice DataSep Grant!

Github or Source Forge which would be best? Githup requires a requires a monthly fee doesn't it.
I think Jeff did a commented disassembly of Synmon somewhere that may be useful for reference in commenting yours Bill.
Mike

I have in mind to make a 48pin bus version of the Ram/Rom board for my 502 board Superkit. Bill I believe is happy to share his DipTrace files so its possible to do one using 48pin connector or use a cable connection from the 40pin skt. (The 600 bd 40pin expansion is NOT 505 bd 40 compatible !!)
Mike

Welcome Tom.
Probably easiest if you send a floppy to someone from the first home of OSI and get a bootable returned floppy. Keep us posted on getting your C1 booting.