Neo-Geo Forums

In another recent thread I posted here, I mentioned picking up an MVS that had been sitting for quite a while. I replaced the power supply and got it up and running but I'm having graphical issues on both slots. Video here:


Now I've been searching and reading up on some other posts here and I've seen a lot of mention of the 257 & ZMC2 chips. I notice some questionable traces coming off the ZMC2 chip:



Yes, I know the battery look like hell, and yes, I will be replacing it but would this be the cause of my vertical line issue?

Secondly, on the bottom of the board, I have this:



Is this patch removable or will it destroy whatever it was in place to repair? Is it even worth trying to remove it?

Thanks in advance!!