Solved How to overclock my Intel Core 2 Duo E4700 CPU?

January 14, 2014 at 10:22:40
Specs: Windows 7
Hello everyone.

I'm interested into overclocking my cpu etc. Could you be kind to explain how to improve performance at least a little. Thank you.

Here are the specs:

CPU: Intel Core 2 Duo E4700
MB: GIGABYTE P35-DS3L
GPU: ASUS EAH3650
RAM: 1x2GB DDR2 400 MHz, 2x1 GB DDR2 400 MHz
OS: Windows 7 Home Premium x64

message edited by igvarr


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#1
January 14, 2014 at 13:42:56
"CPU: Intel Core 2 Duo E4700"

Your default CPU clock settings are 13 x 200MHz frequency @ 800MHz FSB.

http://ark.intel.com/products/34441...

"RAM: 1x2GB DDR2 400 MHz, 2x1 GB DDR2 400 MHz"

My guess is you have DDR2-800 RAM which runs at 400MHz frequency.

"MB: GIGABYTE P35-DS3L"

Your board officially supports up to 1333MHz FSB (333MHz frequency).

http://www.gigabyte.us/products/pro...

I deliberately bolded all the frequencies to show you that they're all different. For best performance, they should all be the same. Since the board officially supports up to 333MHz frequency, that's what you should shoot for. I suggest you drop the CPU multiplier from 13 to 9, increase the CPU frequency to 333MHz, & configure the RAM to run as DDR2-667. That will put the CPU at 3.0GHz @ 1333MHz FSB with the RAM running in sync at 1:1 ratio.


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#2
January 15, 2014 at 15:18:32
I've done all the instructions but for some reason the CPU frequency always switches back to auto even though I switch it to manual and increase the frequency to 333 mhz save changes and exit bios... I have no idea why it does that. :(

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#3
January 16, 2014 at 05:41:28
✔ Best Answer
I had a look at the motherboard manual. In the MB Intelligent Tweaker (M.I.T.) menu, try these settings:

Robust Graphics Booster - auto
CPU Clock Ratio - 9x
CPU Host Clock Control - enabled
CPU Host Frequency (Mhz) - 333
PCI Express Frequency (Mhz) - 100
C.I.A.2 - disabled
Performance Enhance - standard
System Memory Multiplier (SPD) - 2.0


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#4
January 16, 2014 at 08:57:59
It worked. Thank you very much, :)

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#5
January 23, 2014 at 21:21:35
Hello. It's me again. :(

The overclock worked okay and I've experienced better pc performance in general, but after a while it switches back to default (it actually downclocks itself to lower values than original 2.6 ghz - the ratio stays the same @ 9x but manual clock control disables itself and goes back to default value of 200). Also, system memory multiplier switches back to default - auto. All other changes I've made in bios stay the same.

This happens when my pc goes to sleep mode! Shuting down or restarting my pc works normal and starts with the overclock settings.

I'm a complete overclocking noob so any help and additional explanation would be great.

Thank you.

message edited by igvarr


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#6
January 25, 2014 at 05:11:11
You need to replace the 'coin' battery on the motherboard (about the size of a quarter) since you are having trouble holding the CMOS memory. Carefully note the direction the battery is in so you do not put the new one in reverse direction. Your motherboard is old and the battery holds the BIOS settings when power is removed. It should hold as long as the system is plugged in, but your power supply or motherboard might be slightly non-standard in this, or just getting old. Either way, changing out the battery should help you retain the settings.

You have to be a little bit crazy to keep you from going insane.


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#7
January 28, 2014 at 09:09:37
Thank you for your usefull post. :)

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#8
January 28, 2014 at 17:45:24
You are quite welcome

You have to be a little bit crazy to keep you from going insane.


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