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Windows 7: Possible PSU Failure?

31 Oct 2013   #51
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Quote   Quote: Originally Posted by Britton30 View Post
No the total amp output is divided between multiple 12V rails. Not good and a cheap construction.
Ok I thought that was the reason So the modular rails Gary are they not a good thing to have and just more of an aesthetic thing?? Myself I like the semi modular ones like the Corsairs I've got?


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31 Oct 2013   #52
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

While my HX850 may have 10 places to plug in the cables, each with a 12V line, it still has but one 12V rail which powers all the connections. Rails themselves aren't modular, it's the cables.

I saw a dual 12V rail, 650W the other day which 12V-1 rated at 20A and 12V-2 at a mere 6A.
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31 Oct 2013   #53
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Yep mate the Thermaltake I have in the tester at the moment has dual rails one at 24A and the other 22A but I think the 24 pin is on the larger rail.

Anyway I suppose we have hijacked this thread a bit eh
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31 Oct 2013   #54
madcratebuilder

Win8/8.1,Win7-U64, Vista U64, uncounted Linux distor's
 
 

Voltage is only part of the psu output equation. You have to know what it is putting out in current, or amps. A psu may test with good voltage readings but fail on amp output causing all sorts of problems. You can test for amps with a multimeter but it well require a shunt. Good meters may have a internal shunt capable of up to 10 amps or so, but nothing close to what a pc psu can supply. Having a "test" psu available can save hours of troubleshooting. It doesn't need to be a real expensive high end unit, several good options in the sub $50 area.
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31 Oct 2013   #55
Britton30
Microsoft MVP

Windows 7 Ultimate X64 SP1
 
 

doesn't an amp meter need to be placed in the circuit?
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31 Oct 2013   #56
Solarstarshines

Windows 10 Home Premium 64bit sp1
 
 

Most of the time when there is a TDR in the mix driver crashing and recovering it is a issue with the GPU

I had that same issue for weeks till it came down to the GPU the PSU was fine

I recommend sending the GPU back 6870 display driver has error every 3 mins
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31 Oct 2013   #57
ICIT2LOL

Desk1 7 Home Prem / Desk2 10 Pro / Main lap Asus ROG 10 Pro 2 laptop Toshiba 7 Pro Asus P2520 7 & 10
 
 

Quote   Quote: Originally Posted by madcratebuilder View Post
Voltage is only part of the psu output equation. You have to know what it is putting out in current, or amps. A psu may test with good voltage readings but fail on amp output causing all sorts of problems. You can test for amps with a multimeter but it well require a shunt. Good meters may have a internal shunt capable of up to 10 amps or so, but nothing close to what a pc psu can supply. Having a "test" psu available can save hours of troubleshooting. It doesn't need to be a real expensive high end unit, several good options in the sub $50 area.
Which is what I have been saying all along Mad and yes I have had some more expensive multimeters that will read up to 20A in DC and 10A in AC. There are to ones that do "clamp" around the cable but are usually quite expensive and not what we would probably want for our purposes because they measure AC current only How does a dc clampmeter work? | Electrotechnik - The Website on Electrical Engineering


Attached Images
Possible PSU Failure?-clamp.png 
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01 Nov 2013   #58
JackALope52x

Windows 7 Ultimate x64
 
 

Quote   Quote: Originally Posted by ICit2lol View Post
Anyway I suppose we have hijacked this thread a bit eh
Haha that's not a problem. The more you guys got back and forth, the more I learn.

Quote   Quote: Originally Posted by Solarstarshines View Post
Most of the time when there is a TDR in the mix driver crashing and recovering it is a issue with the GPU

I had that same issue for weeks till it came down to the GPU the PSU was fine

I recommend sending the GPU back 6870 display driver has error every 3 mins
Hey Solarstarshines, thanks for the reply. I was thinking that in the back of my mind but I was trying to convince myself it wasn't. I don't really want to have to return something to Asus and deal with the whole process. If the problem still persists when I replace the PSU, then that will be my next step.
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01 Nov 2013   #59
JackALope52x

Windows 7 Ultimate x64
 
 

Hi All,

Just a quick update. I ordered a new PSU from newegg.com yesterday morning and it should be arriving here sometime today. Again, that's the best thing about living so close to their warehouse, standard shipping feels like overnight shipping. Anyways, I will install it tonight and report my findings. If the problem still exists, I will look into returning the GPU to the manufacture.

Thanks,
JackALope
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02 Nov 2013   #60
Indianatone

Windows 7 x64 Ultimate and numerous virtual machines
 
 

Just to clarify something which some of you may not be aware. The power good signal is generated by the motherboard to let the PS know the motherboard is happy with the supplies it is getting, if that signal is out of range the PSU is 99% of the time defective 1% of the time the motherboard is the issue.
Gary I do not agree on you 12v single rail. In the event of a short there is no current limiting and bang goes all your stuff with 100 amps through it. I always use Enermax PSU. I put this baby in my upgrade I have done in the time this thread has been going....ENERMAX ERV1000EWT-G 1000W ATX12V v2.3 / EPS12V v2.92, v2.8 SLI Ready CrossFire Ready 80 PLUS GOLD Certified Modular Active PFC Power Supply - Newegg.com
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