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**Video Poker, Keno, Slots, 21** Gaming machines => Bally Alpha (Cinevision), and ALL Bally "V___" series - V5000, V2000, V1000, etc. => Topic started by: dailey on October 06, 2021, 01:00:20 PM

Title: Alpha 2 v22/22 battery replacement problems
Post by: dailey on October 06, 2021, 01:00:20 PM
For the first time, I just replaced the batteries on the CPU and backplane of my Alpha 2 v22/22. I then did a ram clear. What are the next steps ?  I expected to see the config menu so I can re-setup the game. When I boot up I get "NVRAM driver mount failure" and I have no idea what to do. Do I need to reinstall the game ?

Update:
I tried clearing several more times and even reinstalled the game but I can't get past NVRAM Driver Mount Failure.
Title: Re: Alpha 2 v22/22 battery replacement problems
Post by: rickhunter on October 06, 2021, 03:26:57 PM
means the nvram is not holding up.  Are you sure the new batteries are good and they are inserted properly (should have been 2 of them).  Also make sure the one on the backplane was not inserted backwards.
Title: Re: Alpha 2 v22/22 battery replacement problems
Post by: dailey on October 06, 2021, 04:52:06 PM
I'm back up and running !!!   I'm not sure what the problem was. Just a poor battery connection I guess. I pulled out all three batteries and checked the voltage. They were all 3.2 volts. I saw no visible problems. Polarity of the backplane battery was correct. I cleaned the CPU battery holders with some contact cleaner & Q-tip then put all the batteries back in, did a clear then booted up and configured the game. Runs great now.

Thanks Rick !!!
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