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Overclocking a e6420

post #1 of 6
Thread Starter 
Hi,

I have a water cooled computer which was overclocked to 3,2Ghz until yesterday ( i took out the mainboard battery, so all settings got lost ) . I bought the computer of ebay and it had been running perfectly with the overclock.
Since i lost all of the settings i need some help on getting the computer back to 3,2Ghz stable.
I tried overclocking it to 3,2ghz a few times today and it did work, but i kept getting a blue screen when playing games.

Info:
- Asus P5K-E wifi motherboard
- 2GB DDR 2 Ram
- Core 2 Duo e6420

post #2 of 6
CPU Ratio: 8

FSB Strap to North Bridge: 400Mhz

FSB Frequency: 400MHz

Dram Frequency:
Make sure this is not higher then your rated memory speed
You can check in CPU-Z what maximum speed is.

Keep in mind that raising the FSB also raises the Memory Speed, So might be smart to start with the lowest available memory devider just to see if it boots up.

Dram Voltage: Default rated voltage, just check in CPU-Z and manually set that voltage in the Bios

Cpu Voltage:
This all depends on how good the CPU is, this is roughly a geuss but i think you need between 1.3v and 1.4v maybe even 1.45 to get 3.2Ghz on that CPU. But keep in mind the Tempratures do not pass 60-65c in stress tests. These chips cant take the voltage as the new chips do these days

NB Voltage:
First try with 1.3v then 1.4v i read that that is optimal voltage for decent FSB speed. But check that North Bridge temps dont get too hot.


If you get into windows, with normall rated memory speed. And your PC keeps failing stress test, its most like the CPU Voltage, if not then the North Bridge Voltage.
Blazer
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Blazer
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CPUMotherboardGraphicsRAM
Intel i7 4790K MSI MPower Z97 Gigabyte GTX970 G1 Gaming 4GB Adata XPG 2x8GB DDR3-2600 
Hard DriveHard DriveHard DriveHard Drive
Crucial M500 120GB SSD Samsung 830 128GB SSD Cruscial MX200 250GB SSD WD 1TB HDD 
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Seasonic M12II Evo 750W 
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post #3 of 6
Thread Starter 
Hi,

thanks for ur answer
I am not sure which are the right values, but heres a screenshot
post #4 of 6
Put the Memory Frequency / DRAM Speed on the lowest setting possible in the Bios, and set the DRAM Voltage to 2.1V.
Timings set them to Auto, and see how this does with the settings from my previous post
Blazer
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 4790K MSI MPower Z97 Gigabyte GTX970 G1 Gaming 4GB Adata XPG 2x8GB DDR3-2600 
Hard DriveHard DriveHard DriveHard Drive
Crucial M500 120GB SSD Samsung 830 128GB SSD Cruscial MX200 250GB SSD WD 1TB HDD 
Power
Seasonic M12II Evo 750W 
  hide details  
Reply
Blazer
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 4790K MSI MPower Z97 Gigabyte GTX970 G1 Gaming 4GB Adata XPG 2x8GB DDR3-2600 
Hard DriveHard DriveHard DriveHard Drive
Crucial M500 120GB SSD Samsung 830 128GB SSD Cruscial MX200 250GB SSD WD 1TB HDD 
Power
Seasonic M12II Evo 750W 
  hide details  
Reply
post #5 of 6
Thread Starter 
i have the settings of the previous post running and i havent got a problem yet, i did a intel burn test aswell and it had no errors
post #6 of 6
So you got it running at 3.2Ghz now?
Blazer
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 4790K MSI MPower Z97 Gigabyte GTX970 G1 Gaming 4GB Adata XPG 2x8GB DDR3-2600 
Hard DriveHard DriveHard DriveHard Drive
Crucial M500 120GB SSD Samsung 830 128GB SSD Cruscial MX200 250GB SSD WD 1TB HDD 
Power
Seasonic M12II Evo 750W 
  hide details  
Reply
Blazer
(9 items)
 
  
CPUMotherboardGraphicsRAM
Intel i7 4790K MSI MPower Z97 Gigabyte GTX970 G1 Gaming 4GB Adata XPG 2x8GB DDR3-2600 
Hard DriveHard DriveHard DriveHard Drive
Crucial M500 120GB SSD Samsung 830 128GB SSD Cruscial MX200 250GB SSD WD 1TB HDD 
Power
Seasonic M12II Evo 750W 
  hide details  
Reply
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