Nintendo Punch Out Arcade NVRAM?

fmetz374

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Hello,

I found an old post from 2009 where someone asked about NVRAM for a Nintendo Punch Out arcade but there were no suggestions.

Just curious if anyone has come across a solution so the 3 AA batteriers are no longer required?
 
Personally I just use lithium AA's, the chance of them leaking and damaging the board is next to nothing and they last 10x as long as alkaline. Just a suggestion if there are no other options for saving and protecting.
 
I believe maxim recoil made an adapter to use a coin cell battery . He may have given the design out for free as well.

The ram isn't in a socket so you will have to desolder it if using nvram.
 
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