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RAM and Power Supply Support Support forum for memory and power supplies; Kingston, Corsair, PNY

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Old 08-07-2007, 09:55 AM   #1 (permalink)
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Join Date: Aug 2007
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HP a510n PSU question

Hello All !!
First post here. Ive been in the IT field for 10+ years so Im a tad imbarrased about this issue.

I have a HP a510n that im attempting to replace the power supply in.
The original PSU wouldnt fire the system up unless I left it plugged in and waited 10 minutes or so before hitting the power button.
Obviously has one or more failing caps in it.
So I installed a clone 350W ATX psu and all I get are spinning fans and long beeps.
Thinking maybe that PSU was bad I installed a Known Good Antec truepower 450.
Same thing !!!
Put the old psu in and as before after 10 or so minutes the system powers up just fine.

Obviously the have a proprietary pinout.
Anybody here know the pinout of the ATX connector ??
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