danwest Posted August 13, 2012 Share Posted August 13, 2012 i bought a "doctor power 2" power supply tester to test my brand new corsair AX650 and have some questions about the readings. 1) the power good signal ranges between 553-609. is this okay? also, what got me a bit worried is sometimes the PG test would fail, usually the first tests after the power button on the PSU was turned on. should i be concerned? 2) the 5VSB fluctuates between 5.0V to 5.1V and then levels off and the -12V is at 11.9V. is this okay? 3) if i put my ear about a foot away from the PSU, i can hear some faint white noise. do all the PSUs make this noise? the noise even lingers for a few seconds after i turn of the PSU's switch. normal? also, when i flip the power switch on the PSU with led fans attached, the led lights don't instantly die when the switch is flipped. it's like they fade off. is this expected? P.S, +12V,+5V,+3.3V are right on. Link to comment Share on other sites More sharing options...
peanutz94 Posted August 13, 2012 Share Posted August 13, 2012 1) It's been stated many times that those PSU testers can be inaccurate with Corsair's PSU's because of the components that are used in them. Ignore the PG reading 2)Yes, ATX spec is +/- 5% on all voltages. Those are just fine. 3) again, completely normal on all accounts Link to comment Share on other sites More sharing options...
danwest Posted August 14, 2012 Author Share Posted August 14, 2012 1) It's been stated many times that those PSU testers can be inaccurate with Corsair's PSU's because of the components that are used in them. Ignore the PG reading thanks for the reply. are the results inaccurate because of the components in the PSU or the tester? what exactly causes the reading to be inaccurate? Link to comment Share on other sites More sharing options...
peanutz94 Posted August 14, 2012 Share Posted August 14, 2012 It would be the components used i the PSU's. Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 16, 2012 Corsair Employees Share Posted August 16, 2012 The tester has to made to work with the ATX spec of what you are testing, (Our PSU are ATX 2.1-2.3 SPEC) in addition these small testers do not properly load the PSU so that can skew the readings and give false indications. Also I am fairly sure I have answered this question on another post if that was you; (Not saying it was) please do not double post to try and get a different answer. Link to comment Share on other sites More sharing options...
danwest Posted August 20, 2012 Author Share Posted August 20, 2012 The tester has to made to work with the ATX spec of what you are testing, (Our PSU are ATX 2.1-2.3 SPEC) in addition these small testers do not properly load the PSU so that can skew the readings and give false indications. Also I am fairly sure I have answered this question on another post if that was you; (Not saying it was) please do not double post to try and get a different answer. ram guy, it wasn't me. the first and only corsair products i have bought: 500r and ax650, i bought a couple of weeks ago. i'm new here, hence my only thread about the PSU tester. P.S, would the BIOS or voltage monitoring software on my system report accurate values unlike the tester? Link to comment Share on other sites More sharing options...
peanutz94 Posted August 20, 2012 Share Posted August 20, 2012 Yes, the BIOS would be the most accurate next to a multimeter Link to comment Share on other sites More sharing options...
Corsair Employees RAM GUY Posted August 22, 2012 Corsair Employees Share Posted August 22, 2012 Or the software that came with your MB. Link to comment Share on other sites More sharing options...
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