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OC gone and PSU Going?? ** SOLVED**

post #1 of 9
Thread Starter 
So here I return from wence I came.

I have been having some issues in the past week with my sig rig.

I did this OC about two years ago and its been performing like a champ.
Rock solid.Not one issue, no BSOD, NOTHING.

Then after a Vid driver update from the 266's to the 270's, had issues, then rolled back. Yes, I did clean them out in safe mode, reboot, blah ,blah ,blah.

Playing L4D2, freeze. Opening a .PPT file, freeze. These are hard freezes too, not a CRTL, ALT, DEL type of freeze. No black screen, just the display as it was. FREEZE.

So I figure somethings up with my OC on my cards. So I reset them to stock and try playing L4D2 again. After a few minutes or sometimes a few hours.

FREEZE.

So I troubleshoot. I removed one of the cards. Played. Didn't freeze. Used the other card. Played fine. Nothing happened.

Tried both 8-pin cable combinations in both cards to see if it was a bad power cable.
Nothing.

Put my SLI together again, stock settings. Boom!. Freeze.

So i shut down, Unplug the PSU power cable, remove the second card and powered back up.
The system came up fine but then I noticed something.
My OC!! Where did it go?! STOCK SETTINGS??!! WT...?

I have NO clue as to what happened aside from the CMOS battery being/going bad but I just restarted a buch of times before that and it retained its settings.

So after this looong wall of text, which hopefully you've hung in there and
read, I'm not sure where this issue might lie.

I know I can easily replace the CMOS battery but I'm starting to wonder if my CPU is going too.

I understand if video cards do not get their needed juice problems like this can arise, but a Corsair?? It's only 2 years old and brand new!!

Any ideas are of course welcome.

I wonder if Corsair has a lifetime warrenty? Looks like I'm off to search.

~JoeC
Edited by JoeC - 5/13/11 at 8:42pm
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post #2 of 9
Try loading older drivers. I have read 197.13 WHQL benched 260 SLi best.
Latest 200+ drivers are probably optimized for fermi and might not work as good. Questions:

1. Does Device Manager see both cards? Anything else look unusual there?
2. Does Nvidia control panel show both cards and sli enabled? See anything else unusual there? Can you experiment with various functions/settings?
3. Are both gpus seated good?
4. Have you tried reversing the bridge? Sounds stupid but read that it worked for some. Can you use pcie slots 1 and 3 for test? Doubt it but Slot 2 may be a problem.

Note: When you freeze up like that it sometimes causes bios to revert to defaults when you reboot cause it did not shut down right.
post #3 of 9
Thread Starter 
Quote:
Originally Posted by Albatross1991 View Post
Try loading older drivers. I have read 197.13 WHQL benched 260 SLi best.
Latest 200+ drivers are probably optimized for fermi and might not work as good. Questions:

1. Does Device Manager see both cards? Anything else look unusual there?
2. Does Nvidia control panel show both cards and sli enabled? See anything else unusual there? Can you experiment with various functions/settings?
3. Are both gpus seated good?
4. Have you tried reversing the bridge? Sounds stupid but read that it worked for some. Can you use pcie slots 1 and 3 for test? Doubt it but Slot 2 may be a problem.

Note: When you freeze up like that it sometimes causes bios to revert to defaults when you reboot cause it did not shut down right.
Hi Albatross1991,

Thanks for your help.

I've tried everything you've mentioned with no luck.Nothing unusual popped out at me either.

You're right about using slot two. There is not enough room to try that combination.

Also, I'm getting the freezing even with just one card.

A little more discription of the issue, after playing for a bit, the animations in the game, L4D2, start to "repeat" meaning if I was reloading as the issue starts, the gun will studder and twitch for a bit then freeze.

I have done numerous game cache integrity file checks with success within Steam.

I'm at a loss here.

Again, thanks for the help.

~Joec.
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post #4 of 9
You are very welcome. Unfortunately my suggestions were based upon the impression it was an SLI issue. Now, It seems that even when using a single GTX260 the freeze problem is occurring. I will look at things differently with this new information and will respond soon.

EDIT: For the moment you could update your motherboard BIOS to Ver.1108. Also Chipset, Audio, LAN, SATA Drivers. There are utility updates and a couple of others that you may choose to update or not. See Link:

http://www.asus.com/Motherboards/Int...e_V2/#download
Edited by Albatross1991 - 5/13/11 at 5:45am
post #5 of 9
Thread Starter 
Quote:
Originally Posted by Albatross1991 View Post
You are very welcome. Unfortunately my suggestions were based upon the impression it was an SLI issue. Now, It seems that even when using a single GTX260 the freeze problem is occurring. I will look at things differently with this new information and will respond soon.
Sorry about not providing the complete problem, SLi, single card or both.

I have not tried using a voltmeter, although I do have one, to test my PS. Or is there a reliable way to do this via a program?

Then again, I would assume that the only way to really get a correct reading would be with a voltmeter.
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post #6 of 9
Quote:
Originally Posted by JoeC View Post
Sorry about not providing the complete problem, SLi, single card or both.

I have not tried using a voltmeter, although I do have one, to test my PS. Or is there a reliable way to do this via a program?

Then again, I would assume that the only way to really get a correct reading would be with a voltmeter.
Use the meter.
That would be useful. Using the jumper method you can check voltages.
I doubt any will be missing but one might be out of tolerance (see Below). I think you probably will have to catch it in the act when it freezes which is very difficult and time consuming. Even if these voltages read good your PSU is still a prime failure candidate. If it is a hardware problem percentages usually point to PSU and RAM. Overheating or unstable overclock, improper BIOS default settings cannot be ignored either. Also you might try updating BIOS rev. and other motherboard drivers. Please see my previous post edited with a link for these updates.


+3.3VDC ± 5% (+3.135 VDC +3.465 VDC)

+5VDC ± 5% (+4.750 VDC +5.250 VDC)

+5VSB ± 5% (+4.750 VDC +5.250 VDC)

-5VDC (if used) ± 10% (-4.500 VDC -5.500 VDC)

+12VDC ± 5% (+11.400 VDC +12.600 VDC)

-12VDC ± 10% (-10.800 VDC - 13.200 VDC)

Link for PSU Cable Pinouts on power cables:

http://www.playtool.com/pages/psucon...onnectors.html
post #7 of 9
Thread Starter 
OK. Thanks. I'll have a look at all of the info you provided.

+REP to you!
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post #8 of 9
Thread Starter 
Just had a thought.. I did do one more change to the L4D2 in game settings.
I had turned V-Sync off because after almost 2 years of playing this game I've become tired of input lag.

Of course frames rates shot up to over 220 FPS, average @ 160 FPS.

Now, question: Because of this setting change could this freezing and animation "looping" be caused by my monitor, (60Hz BTW), getting so far out of sync with my video card's frame rates that tearing/looping happen?

I'm at work so I can't get to it now but, I believe I might have changed this setting about the same time I installed newer video drivers and might have led me to believe it was a drive issue at first.

Also, V-sync was always ON, BEFORE the drive update.

JEEZ, if this is the issue, MAJOR egg on my face.

I tried maxing out my setting in L4D2 16AA X 16 QCASS(??) with V-sync still disabled and in doing so brought my fps down to about 65fps at the most demanding scenes and max @ 120 - 135.

i've played for about 4 hrs now and NO crash what so ever. i then added my second card back in to my sytem and enabled SLi.
Again No issues. No freezing. Nothing.

Strange that just by lowering the fps by jacking up the AA and such made it stable.

I still don't know why this is but, it worked.
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post #9 of 9
"Does Nvidia control panel show both cards and sli enabled? See anything else unusual there? Can you experiment with various functions/settings?'

So increasing to 16AA with V-sync off the problems are not occurring at the moment and now SLI seems to be working as well. That is great news.

Before you begin overclocking again I recommend letting it run with your current settings for a couple of weeks to make sure the issues are resolved
conclusively.

+REP for tenacity.
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