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Strange problem with GTX 460 Directcu

post #1 of 12
Thread Starter 
I keep getting BSOD code 116 on my primary GTX 460. I keep lowering my overclock which doesn't seem to help. I beat Crysis 2 already at 800mhz at 1.05v before I went to water. Now it will bsod at 900mhz 1.1v (thought that was stable), even at 800mhz at 1.05v. Ive tried 2 sets of drivers with no luck. I cant see to get to happen on stock settings. BSOD happen on folding and in Crysis 2. This all of sudden happened. The other GTX 460 is fine. What should I do? Btw this is ASUS ENGTX 460 Directcu.
post #2 of 12
Quick bit of clarity, you said you can NOT get this to happen on stock clocks?
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post #3 of 12
Thread Starter 
No not really. It all of sudden behaves again.
post #4 of 12
I don't overclock 400 new fermi cards cuz they require voltages compared to overclocking older cards but however.. i'd check volt settings. You might have a problem. Otherwise you'd probably have to water cool it.

Post fps results too in crysis 2.
post #5 of 12
Thread Starter 
Quote:
Originally Posted by 78@pwnt4lif3 View Post
I don't overclock 400 new fermi cards cuz they require voltages compared to overclocking older cards but however.. i'd check volt settings. You might have a problem. Otherwise you'd probably have to water cool it.

Post fps results too in crysis 2.
This is happening on water. Everything plays normal, after about 10 to 20 minutes it will freeze, lock up, then BSOD.
post #6 of 12
Quote:
Originally Posted by KBcobra View Post
No not really. It all of sudden behaves again.
If it is not happening @ stock, it is likely that the card is deteriorating due to the overclock, sometimes cards die slowly. Try 800 @ 1.1v, see if that's stable. When does the card's warranty run out? If it is running fine at stock, Asus isn't going to replace it, so you might have to just ride it down until it no longer runs properly at stock clocks.
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post #7 of 12
Thread Starter 
Maybe the vrms are overheating? I put the other 460 to the side and the 900mhz overclock is stable again.

Also when it freezes and you try to restart I get a blank screen. Makes me think the vrms are overheating...
Edited by KBcobra - 4/2/11 at 4:57pm
post #8 of 12
Deffo sounds like VRM's, you wanna make sure they aint frying themselves!!
post #9 of 12
Thread Starter 
I put a fan behind the cards to cool the vrm. Seems to help a lot. I can actually touch the heatsink not get burned. Before they got pretty damn toasty. Now they are just warm. Back at 900mhz 1.1v and stable again .
post #10 of 12
Quote:
Originally Posted by KBcobra View Post
I keep getting BSOD code 116 on my primary GTX 460. I keep lowering my overclock which doesn't seem to help. I beat Crysis 2 already at 800mhz at 1.05v before I went to water. Now it will bsod at 900mhz 1.1v (thought that was stable), even at 800mhz at 1.05v. Ive tried 2 sets of drivers with no luck. I cant see to get to happen on stock settings. BSOD happen on folding and in Crysis 2. This all of sudden happened. The other GTX 460 is fine. What should I do? Btw this is ASUS ENGTX 460 Directcu.
1.1v exceeds the afterburner's built-in 1.087v... Going beyond that, even under water, is a mixed bag IMO (but not unheard of). Most models, especially the DirectCU models, should be able to do 900Mhz+ @ 1.062v-1.087v (excluding the EE models, which are poorer overclockers from my experience).

Since the MCW is not a full-cover block, I'm sure the other components (such as the VRMs) are overheating and causing instability, hence why adding the fan (as you posted later) has helped

Quote:
Originally Posted by 78@pwnt4lif3 View Post
I don't overclock 400 new fermi cards cuz they require voltages compared to overclocking older cards but however.. i'd check volt settings. You might have a problem. Otherwise you'd probably have to water cool it.

Post fps results too in crysis 2.
What?

Overclocking any card (beyond pedestrian increases) requires an increase in voltage. GTX400 series cards are overclocking monsters. Water-cooling is not required to overclock them.
    
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