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further oc'ing to my q6600

post #1 of 34
Thread Starter 
I've been trying to OC my q6600 to 3.6 ghz however I cannot find stable voltages. I tried 1.4, 1.45, 1.5 as vcore and all crashed the computer during prime95. I'm not sure if going above 1.5 is a great idea.
Would updating my bios to the latest version somehow improve this?
My current version is F4 and the most up to date is F11 I think.
    
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post #2 of 34
You might need to start increasing your other voltages as well. FSB, RAM, etc...
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post #3 of 34
Thread Starter 
i have the ram overvoltage at .03 i think, but the ram is fine since it isnt overclocked

I havent touched FSB, MCH and whatever else there is, I'm not sure what they do.
    
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post #4 of 34
these are the settings i used for my p35-ds3l, they might be simular, give them a try. originally posted by ericeod.

To get 3.4GHz-3.6GHz with your Q6600 assuming the CPU can handle 3.6GHz at 1.5v or less (this OC is very doable with these settings). These arent difinitive, it is all based on the CPU, but these settings are solid for the board itself and should get you started.

Advanced BIOS Features
CPU Enhanced Halt (C1E) Disable
CPU Thermal Monitor 2(TM2) Disable
CPU EIST Function (Note) Disable

MB Intelligent Tweaker(M.I.T.)
CPU Host Clock Control Enabled
x CPU Host Frequency (Mhz) 400
PCI Express Frequency (Mhz) 100
System Memory Multiplier (SPD) 800 (with your FSB at 400, it will 1:1)

System Voltage Control
DDR2 OverVoltage Control: +.03v (default is 1.8v)
PCI-E OverVoltage Control [Normal]
FSB OverVoltage Control +0.2v
(G)MCH OverVoltage Control +0.2v (This is your northbridge voltage, might need +0.3 when running over 400 FSB with quad)
CPU Voltage Control 1.40v - 1.5v (it might need less then 1.40v, or it might need a bit more... only testing will tell)

Depending on what bios you have, you might have to press [CTRL+F1] in the main bios menu to access advanced memory timing options.
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post #5 of 34
Thread Starter 
thanks! i will try those out
    
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post #6 of 34
You might get better stability just putting your RAM up to its rated voltage. Usually 1.8v doesn't cut it.
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post #7 of 34
Thread Starter 
my ram's rated voltage is 2.0-2.1 so i have my ddr2 set to .03
    
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post #8 of 34
RAM VOLTAGE and Dividers.

That helped me. ALOT.... I couldn't pass 3.6ghz till i upped my ram voltage 0.5

my ram is at 2.25volts and 1.8 stock
post #9 of 34
mch voltage has to go up mang. i had to do +2v for 3.6 on my cpu, i'd imagine the board would REALLY need it for a quad
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post #10 of 34
Thread Starter 
Quote:
Originally Posted by gibsonnova74 View Post
these are the settings i used for my p35-ds3l, they might be simular, give them a try. originally posted by ericeod.

To get 3.4GHz-3.6GHz with your Q6600 assuming the CPU can handle 3.6GHz at 1.5v or less (this OC is very doable with these settings). These arent difinitive, it is all based on the CPU, but these settings are solid for the board itself and should get you started.

Advanced BIOS Features
CPU Enhanced Halt (C1E) Disable
CPU Thermal Monitor 2(TM2) Disable
CPU EIST Function (Note) Disable

MB Intelligent Tweaker(M.I.T.)
CPU Host Clock Control Enabled
x CPU Host Frequency (Mhz) 400
PCI Express Frequency (Mhz) 100
System Memory Multiplier (SPD) 800 (with your FSB at 400, it will 1:1)

System Voltage Control
DDR2 OverVoltage Control: +.03v (default is 1.8v)
PCI-E OverVoltage Control [Normal]
FSB OverVoltage Control +0.2v
(G)MCH OverVoltage Control +0.2v (This is your northbridge voltage, might need +0.3 when running over 400 FSB with quad)
CPU Voltage Control 1.40v - 1.5v (it might need less then 1.40v, or it might need a bit more... only testing will tell)

Depending on what bios you have, you might have to press [CTRL+F1] in the main bios menu to access advanced memory timing options.
I changed FSB and MCH to .2 and set the CPU at 1.5, prime95 has been running stable for a few minutes. I tried 1.4 and windows failed to start. 1.45 started windows but prime95 crashed the computer.
    
CPUMotherboardGraphicsRAM
i5 2500k @ 5.0GHz P8Z68-V EVGA GTX 780 8GB Corsair Vengeance 
Hard DriveHard DriveCoolingOS
Intel X-25 M 2TB WD Caviar Black RAID0 Corsair H100i Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
Samsung BX2450 G15 Corsair HX750 Fractal Design Define R4 
MouseMouse PadAudio
G500 Counter-Strike Fragmat X-Fi Extreme Gamer 
  hide details  
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CPUMotherboardGraphicsRAM
i5 2500k @ 5.0GHz P8Z68-V EVGA GTX 780 8GB Corsair Vengeance 
Hard DriveHard DriveCoolingOS
Intel X-25 M 2TB WD Caviar Black RAID0 Corsair H100i Windows 7 Professional 64-bit 
MonitorKeyboardPowerCase
Samsung BX2450 G15 Corsair HX750 Fractal Design Define R4 
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