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Need some help with my OC,

post #1 of 12
Thread Starter 
I was doing good, had a pretty stable 3.8ghz but after about 4 hours of multi task it finally gave me a 124 BSOD. so I started messing with it. and increased my VTT to .375, and figure I mess with some of other settings trying to get it to 4.2ghz. I know its bad to mess with stuff when you dont have a stable core. but I figured I would try to get it some what stable at 4.2, but I feel like I am setting some stuff to high and other stuff not high enough. And for what ever reason I cant get it to do the 4.3 at the same vcore I have sig. anyways I took some Screen shots of my Bios. the settings in it arent where I am right now. just mess around. Please take a look and suggest what might need to go up and what might need to go down,


    
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post #2 of 12
Thread Starter 
Let me add this one too
    
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post #3 of 12
Thread Starter 
Ok some changes I did: Disabled the intel speedstep. I increased the CPU pll to 1.89 (there is no option for 1.88) and and my Vcore is 1.3875 and my CPU Vtt is +375mV.
and my CPU speed is at 3.9. It will boot up but when it get to load win7 it shut down and restart and I see no BSOD. so, I am not sure what to change.
    
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post #4 of 12
Thread Starter 
Ok, I am getting a little bit confused. what is the difference in my CPU VTT and my QPI PLL? when I am reading on i need to set my qpi/uncore(VTT) at 1.35, which are they talking about? and what is the other for?
    
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post #5 of 12
Thread Starter 
ok I think I i got it, i am to mess with the QPI PLL and leave the VTT alone. I am running a Prime95. and I am also running Coretemp, question on that is the temp is safe as long as its under 70c right?
    
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post #6 of 12
Don't let mem settings on auto. set them to the stock values or lower for oc'ing.
Also all PLL values should be best locked instead of on auto.

Execute Disable bit, set that Disabled

If you want to enable Turboboost, then cpu multi needs to be on auto, otherwise it will not kick in.

Don't leave memstrap and uncore frequency on auto either.
Edited by genuine555 - 2/20/11 at 2:32pm
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post #7 of 12
Thread Starter 
Yeah I am going to change that next. i was wanting to see what I had my memory set at on here in my sig because that is stable.

Will disable Execute bit. And I went back in have my turbo on, and set at 20(21).

CPU Multi?
and what are setting I need to look at for my PLL's?
After I get done with this 1 hour stress test I go back in change some of what you say and take new Screeen shots and post them.
    
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post #8 of 12
Quote:
Originally Posted by Darkshadow74 View Post
I went back in have my turbo on, and set at 20(21).

Turboboost wont engage unless your cpu multiplier is set to auto.
You can see evidence of that when running prime on one core only. So one thread only.

When TB is enabled and cpu multiplier set to auto, running prime on one thread, you will see the multiplier go up to x24 in cpu-z
When the multiplier isn't set to auto, but to 20 like you did, you won't see that x24 multiplier when priming on one core.
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post #9 of 12
Thread Starter 
ok how do you set it to auto. I dont see away. but when I look at Coretemp is shows that its multi by 21 and 20 is the highest I can go on my board.

Also went I bring up Prime95 I have it on the 3 bubble, and how many thread should I be testing? 4,7,or 8? I am running coretemp while doing this.
Edited by Darkshadow74 - 2/20/11 at 4:01pm
    
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post #10 of 12
I can give you my BIOS template.

Although I have a 950, it might help get you close, no guarantees, though. Also, my memory settings probably will not work for you, that is something you will need to figure out.

Mother Board - Classified 3
Drivers - 9.1.2.1008
Bios - 78
CPU - i7 950 Batch #3008A996
CPU Cooler - HK Rev. 3.0, Laing D5, PA140.3
Memory - Mushkin 998966 2x3GB
PSU - Corsair AX1200
GPU - eVGA GTX460 SC EE
Drivers - 266.58
Operating System - Windows 7 Ultimate 64


Frequency Control

Dummy O.C. - Disabled
Extreme Cooling - Disabled
CPU Clock Ratio - 21 x
CPU Host Frequency -204
MCH Strap - Auto
CPU Uncore Frequency - Auto (16x)
CPU Clock Skew - 0ps
IOH Clock Skew - 0ps
Spread Spectrum - Disabled
PCIE Frequency - 100
OC Recorvery - Disabled
Turbo Performance - Disabled


Memory Feature

Memory SPD - Standard
Memory Control Setting - Enabled
Memory Frequency - 1067 /2:8
Channel Interleave Setting - 6 Way
Rank Interleave Setting - 4 Way
Memory Low Gap - Auto
tCL Setting - 7
tRCD Setting - 9
tRP Setting - 7
tRAS Setting - 24
tRFC Setting - 86
Command Rate - 1T


Voltage Control

EVGA VDroop Control - Without VDroop
CPU VCore - 1.34375
CPU VTT Voltage - +125mV
CPU PLL VCore - 1.800v
IOH PLL VCore - Auto
QPI PLL VCore - 1.25
DIMM Voltage - 1.650
DIMM DQ Vref - +0mV
IOH VCore - 1.375
IOH/ICH I/O Voltage - 1.65
ICH VCore - 1.25
VTT PWM Frequency - 250
CPU PWM Frequency - 940
CPU Impedance - Auto
QPI Signal Compensation - Auto


CPU Feature

Intel SpeedStep - Disabled
Turbo Mode Function - Disabled
CxE Function - Disabled
Execute Disable Bit - Enabled
Virtualization Technology - Disabled
Intel HT Technology - Enabled
Active Processor Cores - All
QPI Control Settings - Enabled
QPI Link Fast Mode - Enabled
QPI Frequency Selection - 4.800 GT/s

PnP/PCI - PCI Express

Maximum Payload Size - 128
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