Seta SSV boards - what does the battery do?

twalden

Leona's Therapist

20 Year Member

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Dec 30, 2000

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• Jun 19, 2008

• #1

I have a few different game PCBs that run on the Seta SSV hardware that have a CR2032 battery soldered to the ROM board. All of the game settings are stored via dip switches. Trying to figure out what this battery is for. Hopefully it's not a suicide battery that stores encryption data. Anyone know?

 

68k

Tung Fu Rue's Prize Student

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Oct 3, 2006

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• Jun 19, 2008

• #2

Does it keep scores?

 

twalden

Leona's Therapist

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• Jun 19, 2008

• #3

Nope, no score saving and it doesn't keep bookeeping data either. I'll test the batteries when I get some time to see if they are still alive.

 

Last edited: Jun 19, 2008

madman

Blame madman, You Know You Want To.,

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Jun 1, 2007

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• Jun 19, 2008

• #4

Looking through the MAME source, it appears nobody knows what the batteries are for. They mention that one game prints "backup ram OK" but never actually uses the RAM.

 

twalden

Leona's Therapist

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Dec 30, 2000

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• Jun 21, 2008

• #5

Interesting. Thanks for the info.