pissartist Posted June 20, 2009 Share Posted June 20, 2009 hi my psu is 2 days old and my +12v rail is at 12.566, its been like this since iv got it. ive taking out the memory 1 by 1 and and still the same. ive taking out the 2hd and dvd player and theres a slight drop. temperatures are fine whether its at 2ghz or 2.8ghz and the +12v rail stays at 12.566 regardless but goes to 12.613 under full load. ive checked bios speedfan asrock software and they give very similar readings. so i take it im going to have to either test psu on other system or get multimeter to check true Volt. Anyone else got any other ideas or have i answered my own question? cheers ive got latest bios 1.50 Link to comment Share on other sites More sharing options...
Wired Posted June 20, 2009 Share Posted June 20, 2009 As long as it's under 12.6v it's within spec. Are you checking it in the BIOS as well? Software can often be wrong. Also, the multimeter is a good idea. Link to comment Share on other sites More sharing options...
pissartist Posted June 20, 2009 Author Share Posted June 20, 2009 hi yes i checked bios then checked with software. just seems strange to be that out with the hardware ive got looks like im buying a multimeter to find out for sure. cheers for replying Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted June 22, 2009 Corsair Employee Share Posted June 22, 2009 We can try replacing the PSU for you if you like, just use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.” Link to comment Share on other sites More sharing options...
pissartist Posted June 23, 2009 Author Share Posted June 23, 2009 Hi im expecting a multimeter to arrive tomorrow or thursday to test true voltages, if still well out i,ll be sending it back to ebuyer as they will reimburse my added cost and give me me an option of refund or new psu. thanks for replying Link to comment Share on other sites More sharing options...
Yellowbeard Posted June 23, 2009 Share Posted June 23, 2009 Are you actually having any stability issues? If not, I'd ignore the software readings. Software voltage readings are notoriously unreliable. Link to comment Share on other sites More sharing options...
pissartist Posted June 23, 2009 Author Share Posted June 23, 2009 yes im aware about unreliable software and i know bios sensor could be wrong also, so thats why im going to check with multimeter just to be sure. when i run orthos +12v goes to 12.613 and has rebooted once while i was out of the room. i dont want to send it back but i will be if multimeter reads the same. cheers Link to comment Share on other sites More sharing options...
pissartist Posted June 24, 2009 Author Share Posted June 24, 2009 multimeter arrived today so checked +12v @ idle and was 12.60. its going back to ebuyer i aint taking no chances cheers Link to comment Share on other sites More sharing options...
pissartist Posted June 24, 2009 Author Share Posted June 24, 2009 ive rma to ebuyer, their collecting it tomorrow at their cost which im surprised about as i thought id do the donkey work and then be reimbursed, now thats service. cheers Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted June 24, 2009 Corsair Employee Share Posted June 24, 2009 Let us know if you have any other question. Link to comment Share on other sites More sharing options...
pissartist Posted July 1, 2009 Author Share Posted July 1, 2009 got word from ebuyer today who said psu is faulty and will recieve a new one tomorrow. heres hoping all will be well Link to comment Share on other sites More sharing options...
pissartist Posted July 2, 2009 Author Share Posted July 2, 2009 received my psu today and guess what still the same +12v @12.566 in bios and 12.60 with multimeter. i decided to try an old alpha power 600w to see the +12v rail and it read 12.196 in bios and 12.36 with full load. i then tried my older GA-73PVM-S2H board with the corsair and it was 12.365in bios then used the alpha power and that read 11.92 dont think the hx450 wants to play nice with me Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted July 2, 2009 Corsair Employee Share Posted July 2, 2009 pissartist, For testing purpose only, can you strip your system down to barebone and check the 12v with a voltmeter? If it reads lower, then check it again without the video card. The system should still power on without the video card. Link to comment Share on other sites More sharing options...
pissartist Posted July 2, 2009 Author Share Posted July 2, 2009 RAM GUY 12.566 and 12.60 was barebones i then took your advise and took G/card out, the multimeter read 12.37 Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted July 2, 2009 Corsair Employee Share Posted July 2, 2009 As I figured... the PSU should be fine. The power management is done by the motherboard, if the motherboard "thinks" it isn't getting enough on 12v then it will dial it up. This also explains why the 12v reading on your 600w is much lower as it is pushing more amperage through this rail. I would suggest you to try a different BIOS revision. Base on my calculation, this PSU should be sufficient for your configuration; there could be a power management bug that keeping the 12v dialed so high. Link to comment Share on other sites More sharing options...
pissartist Posted July 3, 2009 Author Share Posted July 3, 2009 RAM GUY i also thought it could be my motherboard bios and i tried a few bios versions but still no dice. i do understand what your saying but on my other m/board it was 12.37@idle which i think is still abit high even though inside regulations. the first psu i got , the techies at ebuyer said was faulty so to me the 2nd psu does the same thing which also means will be faulty to them or they didnt check the psu and took me at word value. so i will be returning the psu back to ebuyer maybe im being to pickie but i paid a lot of money for the psu Link to comment Share on other sites More sharing options...
pissartist Posted July 10, 2009 Author Share Posted July 10, 2009 just got word back from ebuyer, techies saying the psu was faulty. 2 in a row could you adam n eve it. i really wanted that psu but thats life i suppose. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted July 10, 2009 Corsair Employee Share Posted July 10, 2009 Getting two bad PSUs in a row is very unlikely, especially from Corsair. I am trying to see if I can do a similar setup here... i will get back to you sometime next week. Link to comment Share on other sites More sharing options...
pissartist Posted July 11, 2009 Author Share Posted July 11, 2009 RAM GUY cheers im thinking about getting the hx520w, ive seen a price of £50 for it. I paid £65 for my 450w which is now £55 @ebuyer. Ebuyer aint got any other psus i want so i got refund ive still not ruled out it could be my motherboard that was the problem, so when i get another psu and get same reading then theres the culprit Link to comment Share on other sites More sharing options...
pissartist Posted July 16, 2009 Author Share Posted July 16, 2009 just received my HX520w and done a few tests. so much happier with this older version, 12v rail @12.2 full load compared to 12.613 @ full load with newer hx450w. i feel the 2 450w psu's i received were indeed faulty and ebuyer techies said they were faulty but the 2 readings of these psu were exactly the same as each other which is beyond my comprehension. anyway im so much happier now, i wanted a corsair psu and perservered and got one in the end Link to comment Share on other sites More sharing options...
Yellowbeard Posted July 16, 2009 Share Posted July 16, 2009 anyway im so much happier now, i wanted a corsair psu and perservered and got one in the end Very cool. Sorry you had the issue with the first 2 PSUs. ::pirate:: Link to comment Share on other sites More sharing options...
Tzereen Posted July 16, 2009 Share Posted July 16, 2009 Hi everyone. Sadly, I think I have the same problem... For few months now I have been having constat freezing issues with my computer. I've sent it back to the store I bought it, and they said they tried everything, ran memtest, and everything was ok. Even after that I had problems. Lately they are even worse. So, today I opened a case (risking losing a warranty), cleaned it up a little, tried removing mem from slot 1 and 3 to 2 and 4. And also installed few monitoring programs. And what amazed me was the voltage at 12V, it is always between 12.619 and 12.740 So, have I found the cause of my problems? Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted July 16, 2009 Corsair Employee Share Posted July 16, 2009 Tzegeen, Let's get it replaced, please use the On Line RMA Request Form and we will be happy to replace it. Be sure to check the box that says “I've already spoken to Technical Support and/or RAM Guy.” Link to comment Share on other sites More sharing options...
Tzereen Posted July 17, 2009 Share Posted July 17, 2009 Is it problem that I am from Croatia? And also, what can more voltage do to my computer? And 1 more thing. This PSU should be enough for my spec, right? Atleast theyve said so in the store. Link to comment Share on other sites More sharing options...
Corsair Employee RAM GUY Posted July 17, 2009 Corsair Employee Share Posted July 17, 2009 No problem at all, we do have a RMA facility in EU. It shouldn't cause any damages to your system as it is barely over 5%, but we would still recommend you to get it replaced. 450w should be the minimum for your setup. Link to comment Share on other sites More sharing options...
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