Need Neo Geo help

vofdestruction

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I have a Neo geo 4 slot, that won't let me select players on Samurai shodown 3 and 4 I first bought Samshow 4 It wouldn't let me select the character with player One And after a streak it won't let me input the three letters for your name. Once in the game it plays without any issue. I thought maybe it was just the cart but I recently picked up Samshow 3 And it's doing the exact same thing.. Is it a coincidence. Is it something with the settings? Not sure if it matters but both carts are Asian carts with Japanese lettering on the labels.. any help is appreciated, thanks in advance.
 
The carts are region-less and the region is determined by the bios on the 4-slot board. So that should not matter. Are you able to use the controls without issue with any other carts? You can test all the inputs in the service menu to make sure everything is functioning correctly.
 
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Yeah when I do the test everything seems fine. Other games work perfectly fine. I have Samshow one and two and there is no issue with those whatsoever... It's just 3 and 4 seems odd that I would have two carts with the exact same problem but I guess anything's possible right?
 
Oh, I almost forgot... Regular or UniBIOS? UniBIOS 4.0? I hate 4.0. Buggy AF. Had lots of problems with a customer board that went away when I downgraded to the last release of 3.x
 
Oh, I almost forgot... Regular or UniBIOS? UniBIOS 4.0? I hate 4.0. Buggy AF. Had lots of problems with a customer board that went away when I downgraded to the last release of 3.x
that one I downgraded to 3.2 still crashes. probably power supply voltage. outside of capping the monitors and one tube I rejuvenated years ago I haven't needed to do much to the Neo Geos there. the games are in oval islands, so they're not particularly practical for me to get in.
 
Okay I figured it out, it ended up being one of the hard dip switches was in the on position when it was supposed to be off. Weird that those glitches would happen because of it but it's fixed either way. Thanks for the help guys!
 
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