quent Posted March 16, 2006 Posted March 16, 2006 Hi, I'm running with a DFI nf4 Ultra-D and a seasonic S12 600W. The motherboard doesn't boot up. I saw that the Power led behind the PCI slot blinks 2 or 3 times each time I switch on the power supply. Does somebody have an explanation to this weird phenomenon ? I also noticed that when the led doesn't blink the system boots up,where as when it blinks, the system holds on not ( 4 diagnostics LEDs on ). By the way, I noticed also that when i : 1/Remove the 5 jumpers block ( 2/Switch on the PSU 3/Plug the 5 jumpers bloc on either 3.3 or 4v position 4/Boot up the motherboard the computer boots up and works better than ever. Quentin Quote Share this post Link to post Share on other sites More sharing options...
UncleDavid218 Posted March 16, 2006 Posted March 16, 2006 Sorry nothing here. Quote Share this post Link to post Share on other sites More sharing options...
boatasiaus Posted March 16, 2006 Posted March 16, 2006 You need to read through this thread NF4 Ultra-D - Nf4 Ultra-D power issues with seasonic Quote Share this post Link to post Share on other sites More sharing options...
red930 Posted March 16, 2006 Posted March 16, 2006 Yeah, there is some kind of an issue regarding SeaSonic and DFI that still hasn't been corrected, beats me! Great PSU though man, out perform mine anyday of the week Quote Share this post Link to post Share on other sites More sharing options...
quent Posted March 16, 2006 Posted March 16, 2006 boatasiaus it's a great idea, but could you answer my question : why the power led blinks ? Quote Share this post Link to post Share on other sites More sharing options...
boatasiaus Posted March 16, 2006 Posted March 16, 2006 If you read the thread I linked, the issue seems to be with the "Power-on draw" Translated: The PSU has a circuit to confirm that something is actually hooked up to it (a draw or load). When the power on button is pressed, the mobo does not draw sufficient current, so the PSU assumes that there is nothing connected and shuts down. You need to read the thread and if it matches your problem, contact Seasonic. It's a known problem that they will resolve Quote Share this post Link to post Share on other sites More sharing options...
quent Posted March 16, 2006 Posted March 16, 2006 My problem is not here. I don't understand why the power led blinks when I Switch on the PSU ( and not the motherboard !!! ) Quote Share this post Link to post Share on other sites More sharing options...
LOUISSSSS Posted March 17, 2006 Posted March 17, 2006 ^^ power led when u switch on the psu? power led when u swtich on the motherboad? that doesn't make much sense thats probably why you're not getting the answer you're looking for. basically.. u gotta chose, keep the psu or keep the motherboard, you can't have both in the same system. use search. /thread Quote Share this post Link to post Share on other sites More sharing options...
quent Posted March 17, 2006 Posted March 17, 2006 *It make sense when the leds don't blink the system boot. *I found a solution for this problem. ( revoming the 5 jumpers ) Quentin Quote Share this post Link to post Share on other sites More sharing options...
quent Posted March 18, 2006 Posted March 18, 2006 .. Quote Share this post Link to post Share on other sites More sharing options...
Esstee Posted March 18, 2006 Posted March 18, 2006 Strange thing, I have a DFI-Ultra D and a Seasonic S12 500... no problems here with either of these units Quote Share this post Link to post Share on other sites More sharing options...
red930 Posted March 18, 2006 Posted March 18, 2006 The symptom described is the PWR_OK signal issue that is affecting many high power PSUs. RMA or get another PSU. Quote Share this post Link to post Share on other sites More sharing options...
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