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There are 4x IR sensors around the base of the Afterburner Climax cabinet that are supposed to stop the cabinet movement when someone steps on the base. The problem is they are "opposite": always sending the "on" signal to the IO board until you block the beam then it sends the "off" signal to...

I've both an open ice and a umk3 wolf board but only one working u45 chip. Thankfully it's socketed and easily swapped between boards but it would be nice not to have to swap all the time. Has anyone looked into reproducing this chip? It's an Altera epm7064lc68 clpd.

Would anyone have any experience in dumping 1m mask roms from a konami pcb? Can you advise on what chip type to select or if I need a special socket? I've tried a few methods and each time the dump doesnt match mame. It's the 4x mask roms on a konami jackal pcb. The game is booting but the...

I've a bobble bobble bootleg single pcb here. It doesn't look like any other PCB I've found online but the socketable roms dump as Supper Bobble Bobble set 1 It's not booting to game but I hear a brief chime at power up. Also dipA 3 (test mode) gives the crosshatch, ram test and input test all...

I have a killer instinct board that is not booting up fully. The screen has a few vertical lines of blue that start to fill the screen downwards then it just freezes. No bong sounds. On the board I get the HDD LED light solid red, nothing for the sound LED. CPU pins are all perfect under a...

finally getting around to setting up my multi but I only have one cps2 board and it's a fully working marvel vs capcom still on original battery. The pdf guide says to only use suicided boards for the multi but I assume this guide was written before the arcadehacker key writing technique was...

I've a naomi system with multi bios installed and a netdimm with a zero key pic running firmware 4.02. All naomi and netdimm ram diagnostics pass. Using the piforce loader with lcd to transfer games over the network. Several games work fine but some give this error message after transfer and...