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GTX 470 ocing problems

B

Benihana

Limp Gawd
Joined
Sep 5, 2006
Messages
214
My system consists of

XFX XXX 650w PSU
Asus m4a89gtd pro USB 3.0
Phenom 1055t @ 4ghz @ 1.4v
Asus GTX-470
8gb DDR3 1600mhz (4 sticks)
3x Seagate 7200.12 1tb drives in Raid
Corsair H50 cooler
XSPC waterloop for gpu
7 120mm fans
2 80mm fans
6 usb devices

Whenever I oc my video card it will run occt for like 2 min then the screen will go blank and then i have to hard start the pc a few times for it to post again. I thought this was a voltage problem, but I can raise the voltage all the way to 1.087 on the gpu and leave the clocks at stock and it won't cause any problems....but if i raise the voltage and up the card to 800/1600/default mem it will cause that problem and screen will go black. It will do it in both the occt-gpu test and the power supply test. Any ideas?
 
When the screen goes blank, does the nvidia driver get recovered? Check the event viewer to see what is happening, your card most likely cannot support the high clocks regardless of voltage at 800 core.
 
no its more like a hang. and then sometimes i have to reset the bios for it to post again. I just looked in event viewer and this is what pulled up

"The system has rebooted without cleanly shutting down first. This error could be caused if the system stopped responding, crashed, or lost power unexpectedly."

I'm able to game at that setting though and run every other stability test, but occt-gpu is what causes it. Could my system not be getting enough power?
 
perhaps power supply? that's alot os stuff pulling on the power supply.
Posted via [H] Mobile Device
 
I think occt is causing a unreal amount of stress that is causing overvolt protection. The PSU that i have is based off a seasonic 650 and has 52a single 12v rail, i think it should be able to handle an OC'ed 470
 
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