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Author Topic: Power requirements for a Jamma test rig  (Read 1660 times)

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Hurray Banana

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Power requirements for a Jamma test rig
« on: January 20, 2006, 10:15:01 am »
I'm going to build a jamma testing rig following the instructions on the cps2shock site.

http://cps2shock.retrogames.com/jamma.html

I've got an old AT power supply rated at 90W, will this be enough for a jamma testing rig?
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SirPeale

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Re: Power requirements for a Jamma test rig
« Reply #1 on: January 20, 2006, 07:36:21 pm »
Likely.  It depends on the board, of course, but it should run okay.

What is the amperage rating on it?
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Ken Layton

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Re: Power requirements for a Jamma test rig
« Reply #2 on: January 20, 2006, 07:50:07 pm »
Overall wattage isn't so important as how much current is put out on each voltage.

In general, most gameboards will be fine with these minimum power supply ratings:

+5 volts, 12 amps

+12 volts, 2 amps

-5 volts, 1 amp

Other voltages like -12 volts are not used on JAMMA system boards.
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Hurray Banana

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Re: Power requirements for a Jamma test rig
« Reply #3 on: January 21, 2006, 12:12:11 pm »
Thanks for the info Peale & Ken.

The PSU is at work I'll check it out on Monday.


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Cheers Eric

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