Recent content by system11

Yup, DM - some are sold now as of today but that one is still available

Added a couple more

Does anyone have a spare Qsound/D board for a CPS v1.5 set?

I put unibios 4 in two 4 slots systems and also have sound issues now. If I have a cart in slot 1, sound will work for all games. If I remove cart 1, there's no sound at all. Not even in test mode, not at boot, nothing. It's like it's talking just to cart 1 for some sound data. Put 3.x back...

Vertically rolling screen in my case unless I set the horizontal position so far to the left that you couldn't see 2 inches of screen space. Adjusting the vertical sync pot made almost no difference. The error is specific to this exact revision of the board, the MV4FT2 and MV4FS for example...

If you have bad sync on a MV4FT look at the 100 and 470 ohm resistors on the sync line, they're switched compared to every other MVS. When I worked out what was going on I found a few notes about hacks for the issue on this exact revision, dont bother adding resistors just swap them, PCB was...

Updates

Added Sailormoon, removed sold items

Bump

More additions

Sorry that's an editing mistake....

That's RGB level for the AV port at the back (20 pin centronics) it has a set of pins which are pure RGB and a set with resistors and input select etc so you can plug a scart cable in. The eraser is so big it has five pairs of bulbs and you can literally put a whole PCB in if you take the chip...

Finished this last year, haven't had a chance to do a full blog article but I thought some people here might like it: I started this project 12 years ago if you can believe it, made the wiring diagram, bought most of the parts, then when it came to getting the panel made so I could actually put...

Bump

Added a few more.