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Seasonic S12 600 and ASUS P5W DH

RMSe17

RMSe17

Member
I just got my new computer parts,
SeaSonic S12 600
ASUS P5W DH Motherboard
eVGA GeForce 7950 KO
Core 2 Duo E6600
2Gb Mushkin PC8000 RAM

When I connect everything and turn on the power supply, the power light on the motherboard flickers. Pushing the power button didn't do anything.

I tried my roommate's power supply (SeaSonic S12 430) in my setup, and everything turned on fine.

I tried my power supply in his setup (ASUS P5N-SLI, E6300, MSI GeForce 7600GT, 2Gb patriot something) and it worked fine.

I plugged my power supply back into my board, same thing as before, flickering power ligt on motherboard, nothign turns on.

I don't understand how my power supply only works on his board, but his power supply works on both his and my boards.

What should I do?

Thanks,
RMSe17
 
read my specs in sig, everything works fine with my setup, (im prolly drawing more than listed, as i have a lot of goodies)

i do notice that when i turn on the pc i hear a nasty engaging click, as if it was a relay, but a sick relay...

at one time i had a crossfire setup, (what a nightmare, never again)
 
The flickering light is on even before I push the power button, is that affected by the bios at all? I guess I will try to flash it.
 
Originally posted by: PurdueRy
You're computer is trying to tell you how much money you wasted on that big of a power supply 😉
Click to expand...


yeeaaaa.. :frown:
And no, I am not swapping power supplies with my roommate 🙂

I actually got that one because my current computer needed more than my 460W enermax,
(ASUS P4P800 Delux, P4-2.4(800) @ 3.56GHz (297), 4x256Mb OCZ 3700 EL Gold, GeForce 6600GT, 7 HDDs (2x Maxtor MaxLine3 250Gb, 3x WD 120Gb, WD 200Gb, Maxtor 60Gb), 52x cdrw, 16x toshiba dvd reader, 16x plextor dvd burner, hauppage wintv pci, some old adaptec SCSI card.... )

so I have a 2nd power supply sitting outside my case, connected to some of my hard drives, with a little wire connecting the power-on wires on the 20 pin connector haha... So I figured this time I will get a 600W cause I dont want to have 2 power supplies linked like what I have now ever again... cause I am only switching out the core stuff, mobo chip ram vidcard.

Anyway, I can't believe that there would be an incompatibility between a higher grade seasonic and my mobo, I am still thinkign something is not right with the PSU, even if it appears to work on my roommates stuff... so if nothing gets resolved, and I get the runaround with seasonic and asus tech support, I guess I will ship the PSU back to newegg...
but this is so weird.

Edit:
The new power supply is connected just to the new components (mobo, cpu, ram, vidcard), and I have a keyboard and monitor connected to them, to minimize any chance of anything else being bad.
 
Wierd covers it quite well. It could be either the motherboard or the PSU at fault. Antec and Asus had issues like this in the past. At the time the blame was firmly on antec, but since seasonic can do no wrong... 😉
 
When you placed your PSU in your roommate's PC and it worked, did you also only connect the CPU and motherboard and RAM and graphics card to it? Or did you have more components connected?

I am thinking it may be that your Seasonic needs a minimum load and you are not loading it enough.

By the way, Seasonic have excellent customer support. If you send them an email through their web site, they will get back to you right away.
 
Originally posted by: Navid
When you placed your PSU in your roommate's PC and it worked, did you also only connect the CPU and motherboard and RAM and graphics card to it? Or did you have more components connected?
Click to expand...

Just the motheboard, cpu, ram, video card. We didn't want to connect anything else (specifically the hard drive) just in case the power supply would do something... bad.
So it seems like that was an even less of a load.
 
Originally posted by: RMSe17
Originally posted by: Navid
When you placed your PSU in your roommate's PC and it worked, did you also only connect the CPU and motherboard and RAM and graphics card to it? Or did you have more components connected?
Click to expand...

Just the motheboard, cpu, ram, video card. We didn't want to connect anything else (specifically the hard drive) just in case the power supply would do something... bad.
So it seems like that was an even less of a load.
Click to expand...

OK.

Have you sent an email to Seasonic with all this explained?
 
Yea, I sent it right before posting here, and actually just got a response.

They are asking me to fill out an RMA request on the power supply.

I wonder though, should I do it through them, or through NewEgg (it's been 3 days, I still have 4 left)?

Cause I knew newegg will ship me another one fast, but I dont know which one would be cheaper as far as shipping goes, etc...
 
Originally posted by: RMSe17
Yea, I sent it right before posting here, and actually just got a response.

They are asking me to fill out an RMA request on the power supply.

I wonder though, should I do it through them, or through NewEgg (it's been 3 days, I still have 4 left)?

Cause I knew newegg will ship me another one fast, but I dont know which one would be cheaper as far as shipping goes, etc...
Click to expand...

You should confirm this with the Seasonic representative who replied to you. But, I believe that they will pay for shipping both ways. So it will be free. I don't know how it is with Newegg. I have never done an RMA with Newegg.

However, I would try to make sure that the problem is with the PSU. It will be a shame if you get a replacement and the problem is still there.

I was hoping that Seasonic would tell you something to that effect to confirm that they have seen this kind of behavior and it is a PSU problem.

There are many on these forums with lots of experience with power supplies. I am surprised that some are not posting in this thread. May be they will later if you are lucky.
 
From Seasonic RMA policies it looks like I pay shipping to them, they pay shipping back to me.

Yea, it would really suck if I ship it back, get a new one in 7 days, have the issue remain, and then be out of time to send the motherboard back to excaliberpc (they give 7 days I think, like newegg).
 
Hey ummm before you RMA so fast, where are your fans plugged in?

I know DFI boards had an issue with Seasonics, but mien seemd to only have a problem when I plugged my fans into the motherboard. Well that time I only had 1 fat 120mm fan for my CPU and my case fan ran through the molex connectors, and so I put my 120mm panaflo into a fan controller and it was fine. If i put it into my mobo, I would get what you got.... I even calculated the wattage for my fan and it was like 4W, well under the rated max for my motherboard..... It was a medium Panaflo, but I don't know what it caused issues.
 
I havent heard of any compatibility problems between the S12 and the P5W DH. And i do read alot about the P5W DH. Its either a bad psu or a bad mobo. Considering what you tried so far and what Seasonic CSR said I'd ship back the psu and get a new one. Chances of getting two bad S12s in a row is pretty slim to rare I'd say. Out of curiosity what mobo BIOS do you have installed? Should be a little white sticker on the BIOS chip that says what it is.
 
Well, Seasonic payed for shipping both ways with the RMA on their power supply. The new power supply got me solid green light, and works just fine. Now I am messing around finding my max stable overclock. Thanks everyone for suggestions.

RMSe17
 
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