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So i have the aforementioned board along with a 2600k and 2 - 4gig sticks of gskill 1.25volt ram.
The system works perfectly fine with older power supplies. An old dell, and an old thermaltake psu.

But when i try to boot up from my enermax galaxy evo 1250w psu it trips up the psu's protection circuit and refuses to boot.

At first i was positive it was the rampant double boot issue with this motherboard, as this psu goes into a failed power on state for a few seconds after a failed boot.

I updated the bios and changed a few settings that had been mentioned to stop the double boot. With the older psu's i confirmed that the double boot stopped, but my 1250w psu still wont boot on the motherboard. Every once in a while i can get it to boot, and it will go into windows and work fine. I read a comment from enermax that the psu's still hold slight voltage on the ps-on line and some motherboards see this and wont boot because they think the psu is still on, but this same commment said it should take around 120 seconds, and i waited upwards of 5 mins and it still wouldnt boot. So far the only way to make it boot, is to unplug everything overnight and then plug it in and boot. This has only been tested twice so far however.

Plz do not just tell me to make sure the psu is working. It is confirmed working on two other systems.

Plz do not just tell me to make sure the motherboard processor or ram works as it is confirmed working with two other psu's and with the one in question every once in a while.

Im thinking it is a compatibility issue, but i would like to know what it is, so i can implement a fix.
My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
xeon l5639 6-core Asus ws revo 1366 gtx480 3way sli Gskill Sniper low voltage 
Hard DriveOSMonitorKeyboard
Patriot Pyro 60gb Windows 7 Eternity Dell 3007wfp-hc Razor Black Widow Ultimate - Cherry-mx blues 
PowerCaseMouseAudio
Enermax max revo 1350w Thermaltake Armor full tower Razor Naga 6 Button Crown xls 602 
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My System
(14 items)
 
  
CPUMotherboardGraphicsRAM
xeon l5639 6-core Asus ws revo 1366 gtx480 3way sli Gskill Sniper low voltage 
Hard DriveOSMonitorKeyboard
Patriot Pyro 60gb Windows 7 Eternity Dell 3007wfp-hc Razor Black Widow Ultimate - Cherry-mx blues 
PowerCaseMouseAudio
Enermax max revo 1350w Thermaltake Armor full tower Razor Naga 6 Button Crown xls 602 
  hide details  
Reply