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re: Fortron 530W PSU

R

redrocksout

Weaksauce
Joined
Sep 1, 2004
Messages
107
so ever since i recieved the PSU from newegg, i've been having an odd problem. first bootup was fine... and then after i turn it off and try to turn it on again, it would power up for HALF a second and shut back down. multiple tries and nothing! seems as if i have to actually unplug the psu for around an hour or so, plug it back in, and turn it on... IF I'M LUCKY. what gives???

all other pc parts are fine, no loose connections or anything. faulty PSU? i think so. luckily i have a warranty. should i return it? or do you guys think theres something else to it? :rolleyes:
 
Had a problem similar to this lately....

Thought it was the PSU

Turned out to be a dead CPU as a result of the POS Powmax PSU.

Remove the CPU and try then...
 
are you sure? my CPU is new and runs stable on Prime95 when it does turn on. hmm... i dunno... :confused:
 
heres what the voltages look like on sisoft sandra... what do you guys think?

+3.3 @ 3.66
+5 @ 5.08
+12 @ 11.42
-12 @ 12.36
-5 @ 3.45
 
redrocksout said:
heres what the voltages look like on sisoft sandra... what do you guys think?

+3.3 @ 3.66
+5 @ 5.08
+12 @ 11.42
-12 @ 12.36
-5 @ 3.45
Click to expand...
Just a wild guess here, but the voltage on the 12v line is only JUST in the 5% margin. It may not have enough power to boot up properly.
 
well, software monitoring is good for relative values (monitoring rail stability)
but until you calibrate it against a multimeter the definitive values are pretty iffy
(which is why MBM has the ability to calibrate the reading its pulling off the SMBus for each rail)

the -5V rail has been removed altogether from the latest spec
and the -12V rail is largely unused by typical components as well
since there is no load on those rails they will typically read wild figures but can be safely ignored

sounds like you have done most of what you can do, with the exception of a complete teardown (dismount the mobo) its still possible there is an intermittent short somewhere

alternately, unless your running conditioned power
there is the possibility the PSU did its job and took a bullet for the mobo
thus it wouldnt be defective but instead the hero :p
possibly some sort of walking wounded (since its ocassionaly functional, but the intermittent short seems more likely)
 
redrocksout said:
so ever since i recieved the PSU from newegg, i've been having an odd problem. first bootup was fine... and then after i turn it off and try to turn it on again, it would power up for HALF a second and shut back down. multiple tries and nothing! seems as if i have to actually unplug the psu for around an hour or so, plug it back in, and turn it on... IF I'M LUCKY. what gives???

all other pc parts are fine, no loose connections or anything. faulty PSU? i think so. luckily i have a warranty. should i return it? or do you guys think theres something else to it? :rolleyes:
Click to expand...

I had the same exact problem with a refurb sparkel 530 (wouldn't boot unless unpluged
from wall and mobo) put my origional psu back in(another sparkel 530) and the problem went away. looks like its youre psu
 
Ice Czar said:
well, software monitoring is good for relative values (monitoring rail stability)
but until you calibrate it against a multimeter the definitive values are pretty iffy
(which is why MBM has the ability to calibrate the reading its pulling off the SMBus for each rail)

the -5V rail has been removed altogether from the latest spec
and the -12V rail is largely unused by typical components as well
since there is no load on those rails they will typically read wild figures but can be safely ignored

sounds like you have done most of what you can do, with the exception of a complete teardown (dismount the mobo) its still possible there is an intermittent short somewhere

alternately, unless your running conditioned power
there is the possibility the PSU did its job and took a bullet for the mobo
thus it wouldnt be defective but instead the hero :p
possibly some sort of walking wounded (since its ocassionaly functional, but the intermittent short seems more likely)
Click to expand...
Ice Czar! You're back! I missed you, I thought you were banned!! <3
 
Thanxs, I was briefly concerned myself :p

I was scrubbed from the DB along with a few other accounts (doh for instance)
(at least as active, all the posts remain but are attributed to Guest)
Lethal plucked me from Purgatory 1st, but since you only see that Im alive again if you stumbled across a recent post....
 
yes, after you dismount everything and make sure its not an intermittent short somewhere
(they are often very hard to determine, you dismount the mobo and suddenly everything is working again)
one little screwhead slightly contacting a trace, a poor contact elsewhere, ect
 
sounds good to me :) i figure maybe its because of the force from pushing down on the mobo installing/removing the HSF. i'll keep ya posted on the progress. thanks Czar :p
 
I forgot to ask

many Power Supplies require a certain load (on various rails)
thus if there isnt enough load (as its expecting) the power good signal or other signals) can shut down the PSU

generally all that is required is to power up a HDD or Optical Drive (as they put enough draw on both the primary rails to deal with that +5V & +12V)

its become an issue with a few PSU that conform to the new BTX signal specs and mobos that dont
this however would be the first time such an issue applied to a Fortron 530 as far as I know
 
i forgot to put what i actually have connected to the PSU

2 Optical drives (Burner and DVD)
2 HDD's
AMD XP 2400+ Mobile @ 2.2Ghz (200x11 -- 1.75V) Prime95 stable
6 Case Fans + HSF
1 Cold Cathode Tube
 
get rid of the cathode, my computer was having all sorts of trouble, once I got rid of it all of the problems went away.
 
I do luv the Fortron but I have always had to open it up, and adjust the 12V rail. I like to center the rails at 5.25V, 12.50V and 3.4V. THis way under VERY heavy load they all stay above the X.00 point.
 
Do you have a multimeter? That would help figure out if it is a voltage problem, programs like sisoft, and mother board monitor aren't always correct.
 
i just decided to have newegg replace the PSU since i swapped my system with 2 other cheaper, older PSU's and the computer boots up fine.
 
so i'm gonna try and fedex it back to newegg tomorrow. only problem is ive never shipped a package in my LIFE haha... anyone wanna let me know what i need to do before or when I'm at the FedEx station?
 
redrocksout said:
so i'm gonna try and fedex it back to newegg tomorrow. only problem is ive never shipped a package in my LIFE haha... anyone wanna let me know what i need to do before or when I'm at the FedEx station?
Click to expand...
Follow the RMA directions at newegg first.
The shipping is easy. Just show up with the gear and address to be shipped too.

I woulda checked with another PSU as well(provided one was around). That was the best check imo.

GL and post back if you have more probs because I am seriously looking at buying this psu and I do not want to have to adjust rails and all of that.
 
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