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Help! Unstable i7 950 @ 4GHz - Page 2

post #11 of 25
Thread Starter 
What does VTT mean?

I raised the vCore with a notch, and the QPI Dram to 1,25675 but is that still too low? Been priming for half an hour now, gonna see what happens. It's still running very cool, right under 70C.
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post #12 of 25
my settings:
FSB: 175
Multiplier: 23X
Vcore:1.275
post #13 of 25
Run Intel Burn Test at max memory and 8 threads. It is usually pretty good at sniffing out 124 errors in a fraction of the time it takes prime.
post #14 of 25
Quote:
Originally Posted by tats View Post
Run Intel Burn Test at max memory and 8 threads. It is usually pretty good at sniffing out 124 errors in a fraction of the time it takes prime.
how many runs? 20 ?
post #15 of 25
I find that if mine is going to crash it crashes within 5 - but I usually set it for 10

IBT is a good way to hone in on a stable OC and then you can use prime for the longer runs as it is a different stress.

Do you have your windows set to not restart on BSOD? That way you can tell us the code you get.
post #16 of 25
Quote:
Originally Posted by Cacophony View Post
how many runs? 20 ?
50-100 just to be safe
post #17 of 25
Thread Starter 
Quote:
Originally Posted by tats View Post
I find that if mine is going to crash it crashes within 5 - but I usually set it for 10

IBT is a good way to hone in on a stable OC and then you can use prime for the longer runs as it is a different stress.

Do you have your windows set to not restart on BSOD? That way you can tell us the code you get.
How do I make it not reset on BSOD?

Thanks.
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post #18 of 25
post #19 of 25
Thread Starter 
Thanks, fixed!
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post #20 of 25
Quote:
Originally Posted by heknu View Post
What does VTT mean?
VTT on i7's is the QPI link and the voltage setting on asus boards is QPI/Dram voltage.

It is also linked to the Integrated Memory controller, so the faster you run your memory the more qpi/dram volts you will need to keep it stable.

1.25v qpi still seems a little low to me for 1530mhz ram.
 
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Xeon W3680 @ 4.60GHz (200x23 / 1.44v) Asus SABERTOOTH X58 HIS R9 290 / EK Waterblock + Backplate Sapphire R9 290 / EK Waterblock + Backplate 
RAMHard DriveOptical DriveCooling
24GB Sniper/Vengeance 1600MHz (9-9-9-24, 2T) 1.60v 120GB SSD + 256GB SSD + 1TB HDD Pioneer 218L EK Supreme HF Plexi 
CoolingCoolingCoolingCooling
Alphacool NeXXoS UT60 480mm Rad Alphacool NeXXoS ST30 480mm Rad EK CoolStream RAD XTX 240 Mayhems Pastel Ice White 
CoolingOSMonitorKeyboard
12x Gentle Typhoons / 2x Apache Blacks Windows 10 Home x64 27" Dell U2711 (2560x1440) Razer Lycosa 
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