Plugs into a ram socket andputs the board in self test, is supposed to bypass a bunch of stuff so basically just the video section, I think.? Really don’t remember, reached out to him via email, maybe too much time passed, no response. It could quite possibly be the same thing. ![]() Chip B1) and set me up with this diagnostic chip, if my memory serves. I believe I got this from Scott451, I helped him wind a yoke and he let me know some stuff about my Quantum board (ie. Put meter on those and they too are already shorted, what gives? Why the pads when already shorted. It also appears that the pads for the conversion board x & y output are wired already. Should I bother shorting them with solder? Are they related to promised land? If so other info I read says something about cutting one and shorting the other and switching them for promised land. Maybe I start by verifying against newer BOM to see if I made any build errors.Īlso on the original board there are two pads soldered, on this board It appears they are connected already using my meter. Went back and read through almost 47 pages of old threads looking for info. When In normal modeI will get an Image and then it seems like it is having trouble running the game. Not sure if that is what I am suffering here. If it is anything like my Quantum, the build n’t fine, I just needed the B1 working, and the ROM and RAM were causing problems. ![]() ![]() So here is another board I purchased couple of years ago and could never get working.
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