Recent content by nem

Agreed, the wack AI artwork doesn't do justice to the product.

You can just replace the PE rom board with that. Smaller board is the security board.

Wasn't aware the BOTE ones were public.

Same as ST M27C400 and Macronic MX27C4100, unless you really want Hitachi brand.

Different security board too.

You have to change all of the roms, not just certain ones. There's 41 chips in all.

Is it the same as the one in the 3414? https://www.donberg.ie/descript/f/fsy_17a001.htm

Never knew about the homebrew games! Very cool!

I assume there's something wrong with the protection chip. Cart does not run, right? Here are the correct checksums:

Have you tested any other HDD games apart from Ace Driver, @magicman?

That is definitely required, what the heck? Like I guess it could work without it, but I bet it will look like shit. It's a 10uF 160V.

That was awesome!

That's why you run the jamma video wires to the 15-pin AMP UP connector. Then you don't have to switch anything. There's two separate inputs. Now you're just using one connection. I would also look into how the audio is wired. I've done a few Net City Jamma conversions and I wire the balanced...

Wait, what Naomi IO? There's a 15-pin AMP UP connector on the side of the monitor chassis. Ideally you would want to connect the video from your jamma board to that. EDIT: and the audio terminates to RCA connectors? Is there any sort of attenuation? This is a weird harness.

@Jamesmakesgames, where did you pick up your custom harness from? How is video connected to the monitor? What monitor do you have? Do you have buttons or dials for the monitor controls under the control panel? The stock monitor in the Net City does 15khz natively, so I'm not sure I see the...