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Wiring a PC PSU for arcade cabinet
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iscariot:
I'm going to try wiring a PC power supply into my new jamma cabinet.  Can someone help me out?  I can't seem to find the -5v?
Haterot:
The 5v is typically the RED wire on the molex.
romshark:
Red is the Positive 5 volts. Your average ATX PC Power supply doesn't have negative 5V, if I remember correctly.
Avinitlarge:
-5 volts is usually the white wire. Not all ATX power supplies have it though
crzywolf:
Try this link  out . Use a multi meter to double check .
http://pinouts.ru/Power/atxpower_pinout.shtml
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