You need the memory cap for classic Ballys.
https://www.greatplainselectronics.com/products.asp?cat=165
Here's how to install
http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Memory_Capacitor
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You need the memory cap for classic Ballys.
https://www.greatplainselectronics.com/products.asp?cat=165
Here's how to install
http://www.pinwiki.com/wiki/index.php?title=Bally/Stern#Memory_Capacitor
Quoted from indypinhead:Which one is the correct one to buy?
If you decide to go with the cap, it was the first one in the link above, the top, little one that looks like a coin cell.
A CR2032 is also a great option. Make sure you put the blocking diode in as mentioned above, if you opt for the CR2032. A CR2032 will hold memory settings for 5 to 10 years, and the game does not need to be periodically powered on.
If you opt for the memory cap, you will not put in a blocking diode, as the memory cap gets charged from the board, just like the original rechargeable battery did. The memory caps hold settings for several months. The game needs to be powered on for about 30 minutes every few months to keep the cap charged.
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