Solved how to overclock intel core 2 duo e4600

June 1, 2013 at 10:25:53
Specs: Windows 7, 1,5
i dont know much about overclocking, i have gigabyte Ga-945gzm-s2 motherboard , dd2 1,5 ram , any help to how much and how should i do it ?

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✔ Best Answer
June 2, 2013 at 09:31:50
Apparently you're using the onboard video & not an actual graphics card, that's why the PCI-express setting choices are what they are. If you want better performance, I suggest you invest in a video card.

- for the PCI-express setting, use ASYNC, that will lock the PCIe frequency at 100MHz.
- for the memory multiplier, use 2.0.

These settings, along with the others I listed above, should put the CPU at 2.67GHz @ 1066MHz FSB with the RAM running as DDR2-533 @ 266MHz frequency. If you want to overclock the CPU higher than that, leave the other settings as-is & just increase the CPU clock ratio. You should be able to hit 3.2GHz without increasing the CPU voltage. Keep an eye on the CPU temperature.



#1
June 1, 2013 at 14:02:44
See if you can follow this:

- The E4600 default speed is 2.4GHz @ 800MHz FSB with clock settings of 12 x 200MHz frequency.
- Your board officially supports up to 1066MHz FSB @ 266MHz frequency.
- The Core 2 Duo performs best with a FSB:RAM frequency ratio of either 1:1 or 1:2 which in your case will be either 266:266 or 266:533.

You didn't state what speed your RAM runs at but for this overclock, you will need DDR2-533 (266MHz freq) for 1:1, DDR2-1066 (533MHz freq) for 1:2. If you have something else (DDR2-667 or DDR2-800), it should be underclocked to DDR2-533 speed.

For starters, change the CPU clock settings to 10 x 266MHz. That will change the CPU speed to 2.67GHz @ 1066MHz FSB. And change your RAM settings to get it to run as DDR2-533 to match the CPU. If you can accomplish that, you can then try raising the CPU multiplier from 10x to 11x to get the CPU speed up to 2.93GHz. If you want to go for more, try 12x to bring it up to 3.2GHz.

If the system becomes unbootable, just use the ClearCMOS jumper to reset the BIOS (make sure power cord is unplugged), then start over again.


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#2
June 2, 2013 at 02:36:56
if the RAM speed is memory freqency then its 833 , i looked in bios
and i checked my FSB:DRAM in CPU-Z Its 3:5 , and my DRAM freqency is ~415 MHz , i hope i told the rigth thing

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#3
June 2, 2013 at 06:37:23
"if the RAM speed is memory freqency then its 833"

That's not the frequency, that's the DDR rating.

"my DRAM freqency is ~415 MHz"

There you go, 415MHz is the frequency. I'm guessing you have DDR2-800 & you've already increased the CPU frequency?

"FSB:DRAM in CPU-Z Its 3:5"

OK, based on the above, you've apparently increased the CPU frequency to about 250MHz? If you didn't touch the CPU multiplier, the CPU should be running at approx 3.0GHz. However, with the 3:5 ratio, the RAM is running out of sync & you're taking a performance hit.

I'll download the board manual, check the BIOS chapter, then get back to you.


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Related Solutions

#4
June 2, 2013 at 06:46:33
yeah just today i changed cpu freqency in bios to 250 just to look if anything changes is it too much or i can go higher

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#5
June 2, 2013 at 06:59:20
OK, try this:

CPU Clock Ratio = 10x
O.C FSB1066 Core 2 CPU = disabled
CPU Host Clock Control = enabled
CPU Host Frequency (Mhz) = 266
PCI Express Frequency (Mhz) = 100
System Memory Multiplier = this one is important. The choices vary depending on the CPU. I don't know what choices are available to you or how they're listed but if there's a 1:2, 2:1, or 2.0, that's should be the one to go with.

Please post your results.


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#6
June 2, 2013 at 07:22:00
ok i done every thing,but the PCI had not numbers but 3 choices 1st was auto 2nd had 3 letters 3rd had 4 i think which should i chose, the memory multiplier i set to 2.0 other choices were 2.66 and 3.66 if i remeber corectly so what should i set the PCI and multiplier ?

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#7
June 2, 2013 at 09:31:50
✔ Best Answer
Apparently you're using the onboard video & not an actual graphics card, that's why the PCI-express setting choices are what they are. If you want better performance, I suggest you invest in a video card.

- for the PCI-express setting, use ASYNC, that will lock the PCIe frequency at 100MHz.
- for the memory multiplier, use 2.0.

These settings, along with the others I listed above, should put the CPU at 2.67GHz @ 1066MHz FSB with the RAM running as DDR2-533 @ 266MHz frequency. If you want to overclock the CPU higher than that, leave the other settings as-is & just increase the CPU clock ratio. You should be able to hit 3.2GHz without increasing the CPU voltage. Keep an eye on the CPU temperature.


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#8
June 2, 2013 at 11:18:57
Tnx, my pc is from 2006 thats why its not top shelf , only thing thats not too bad is my procesor , my video card is ati radeon x1650,im thinking mby getting a new one because all the games require a good graphics card :|

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