cr4zymanz0r
Beginner
So since I'm having problems with 2 different boards, I feel like there's something I'm missing. Here's the full story below:
So I ordered what is supposedly a NOS CPS1 A board, that is believed to be a a CPS 1.5 board with the audio section re-populated. I wanted to grab one to set aside for the eventual CPS1 multi so I wouldn't have to rob the A board from one of my games. Anyway, when I got the first A board in I took the B + C board off Captain Commando then Knights of the Round to test the new A board. Things.....weren't right at all. The sound worked, but graphics were garbled and the demo wasn't playing right either (characters moving erratically). Some of the ICs in the audio section appear to be clones or different versions since they're labelled differently, but I would assume even if something is wrong with them that it wouldn't be causing weird non-audio issues. I put my B boards back in their original A boards to confirm they still worked fine. Even went back and re-seated one of them in the NOS A board again and still had the same issue.
At this point I assume the NOS A board is messed up, so I inform the seller roughly the same info as above and provide screenshots of the issue. He offers to ship me a replacement, so I say ok. Cool, I figure I just got unlucky with the first board but no biggy since I'll get a replacement.
Replacement board comes in today, I put Captain Commando on it to test.... and it's acting screwy too. It's not acting EXACTLY the same, but very similar. Sound works, lots of graphical corruption, AI behaving erratically in the demo. I decide to hit the service button to run whatever self-test there is just for good measure, but immediately after I press it I get "ADDRESS ERROR 0010075D".
Pictures of issues: https://imgur.com/a/awo7ZrJ
So, is there something I'm missing or did just get very unlucky and have 2 boards die during shipping? I'm under the impression you can just swap a game (B + C boards) to any working A board and you should be good. Both KotR and Captain Commando's original A boards have a 10mhz crystal and CPU, while the NOS boards have 12mhz but I thought most games are fine with that or at the very least wouldn't cause this kind of obviously wrong behavior.
So I ordered what is supposedly a NOS CPS1 A board, that is believed to be a a CPS 1.5 board with the audio section re-populated. I wanted to grab one to set aside for the eventual CPS1 multi so I wouldn't have to rob the A board from one of my games. Anyway, when I got the first A board in I took the B + C board off Captain Commando then Knights of the Round to test the new A board. Things.....weren't right at all. The sound worked, but graphics were garbled and the demo wasn't playing right either (characters moving erratically). Some of the ICs in the audio section appear to be clones or different versions since they're labelled differently, but I would assume even if something is wrong with them that it wouldn't be causing weird non-audio issues. I put my B boards back in their original A boards to confirm they still worked fine. Even went back and re-seated one of them in the NOS A board again and still had the same issue.
At this point I assume the NOS A board is messed up, so I inform the seller roughly the same info as above and provide screenshots of the issue. He offers to ship me a replacement, so I say ok. Cool, I figure I just got unlucky with the first board but no biggy since I'll get a replacement.
Replacement board comes in today, I put Captain Commando on it to test.... and it's acting screwy too. It's not acting EXACTLY the same, but very similar. Sound works, lots of graphical corruption, AI behaving erratically in the demo. I decide to hit the service button to run whatever self-test there is just for good measure, but immediately after I press it I get "ADDRESS ERROR 0010075D".
Pictures of issues: https://imgur.com/a/awo7ZrJ
So, is there something I'm missing or did just get very unlucky and have 2 boards die during shipping? I'm under the impression you can just swap a game (B + C boards) to any working A board and you should be good. Both KotR and Captain Commando's original A boards have a 10mhz crystal and CPU, while the NOS boards have 12mhz but I thought most games are fine with that or at the very least wouldn't cause this kind of obviously wrong behavior.