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Is my power supply still functional ?

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  • Power Supplies
  • Green
  • Components
Last response: in Components
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April 6, 2012 1:26:35 AM

Hello i recently bought a power supply tester and when i tested my power supply i got green on everything except for the -5v, is this good or bad ? by the way i have a corsair 750W enthusiast and i have green lights on


+12v
+5v
pg
-12v
+3.3v
+5vsb8

but nothing on the -5v

More about : power supply functional

a c 158 ) Power supply
April 6, 2012 1:28:23 AM

-5V is not used for anything in modern PCs.
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Best solution

a c 243 ) Power supply
April 6, 2012 2:00:11 AM

persona said:
Hello i recently bought a power supply tester and when i tested my power supply i got green on everything except for the -5v, is this good or bad ? by the way i have a corsair 750W enthusiast and i have green lights on


+12v
+5v
pg
-12v
+3.3v
+5vsb8

but nothing on the -5v

That's because there is no -5v rail on modern power supplies, look at the 24 pin connector, notice a missing pin ? That's where the -5v would have been.
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April 8, 2012 7:37:20 PM

Best answer selected by persona.
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April 8, 2012 7:38:07 PM

thanks, i looked on the box before i read the messages and realized my PSU didn't even have a -5v, i feel so stupid, but anyways thanks for the help
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