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Still having trouble with my Overclock

post #1 of 4
Thread Starter 
Hey guys. I have been trying to get better at this over clocking stuff but I am still struggling to keep a stable OC.

It's either I get blue screens, or mostly a sudden computer restart while playing games. What could be the problem?

Why is my computer restarting while playing games? Is it a voltage issue?

These are my current Overclock Settings:

CPU Clock Ratio : 20X
CPU Host Frequency : 191
CPU Uncore Frequency : Auto

Memory Frequency : 1067 Mhz / 2:8
tCL Setting : Auto
tRCD Setting : Auto
tRP Setting : Auto
tRAS Setting : Auto
Command Rate : Auto

EVGA VDroop Control : Without VDroop
CPU Vcore : 1.325V
CPU VTT Voltage : +125mV
CPU PLL VCore : 1.5V
DIMM Voltage : 1.65V
QPI PLL Vcore : 1.3V
IOH Vcore : 1.275V

Intel Speedstep : Disabled
Turbo Mode : Enabled
CxE Function : Disabled
Execute Disable Bit : Enabled

QPI Frequency Selection : Auto



( My specs are : )
W7 x64 Ultimate
Intel i7 920 ( Cooled by Corsair H50 )
EVGA X58 SLI Motherboard
EVGA GTX 470
WD 500 GB Hard DRive
Corsair XMS 3 6GB (1600 mhz capable)
Ultra 750W PSU


Is there anything wrong with these settings? If you guys can please help me out with these settings I would appreciate it. I have been posting around on different forums but I still cannot get things right. Thanks!
post #2 of 4
I am not an overclocker myself but my buddy has your same graphics card and some sites report that, that card can use upwards of 400+ watts of power by itself. You run an i7 920 plus your gtx 470. Your power supply should be able to handle both of them. Yet under a full draw if both are overclocked then you might push your psu too hard. My buddies would shut own after 15 min or less of folding with them both overclocked
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Stryker-PC
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post #3 of 4
Only things I can see that look odd are possibly the VTT voltage (shouldn't need any extra for 2133Mhz uncore), cpu pll (sandy bridge & gulftown liked lower than what auto did, bloomfield not so much, I'd leave it auto). The IOH. is pretty high,1.12 - 1.14V should be plenty for that bclk., & the qpi pll could be left auto, I never needed to touch it for pretty high overclocks.
Is your 920 a c0 or d0 revision?
    
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CPUMotherboardGraphicsRAM
i7 990x/3930k/3770k/4770k GB x58a-OC/Asus RIVE/x79 gd65/z77 mpower/z77 MV... gtx480s/gtx580s/7970s/680s/Titan Hyper/PSC/BBSE/Hynix/Samsung 
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post #4 of 4
Thread Starter 
I am pretty sure that my i7 920 is a D0

So a better power supply would suffice? Right now I have an ultra 750w

Should i be looking for a Corsair 850W modular?
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