Mappy Ram 3 Error

supergwario

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Joined
Dec 4, 2009
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Location
Rock Hill, South Carolina
Need a little help guys/gals. My mappy has been doing this for a while but I just decided to try and fix it. when i boot it up it gives error Ram 3. I have installed the high score kit which actually replaces this chip at location 2n. I would suspect that this chip would be the issue but I was having this same error before I installed the kit. One more thing though if I turn the machine on and let it sit for about 5 minutes and then restart it works fine but the high scores are no longer saved. Any ideas?
 
Check your power supply to make sure it's putting out +5v. The NVRAM in the high score save won't function well with low voltage. I had the same error and when I adjusted the power supply, it worked fine.
 
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