Intel Core Duo e4600 OC'ing, completely at a loss

Alex How · Mar 18, 2014

So I've been trying for about 3 or 4 hours to OC my current Intel processor from 2.4 to atleast 2.8-3.0 but can't figure it out. I've changed the multiplier etc in the BIOS and the bus speed(which is actually called something different on my p35-ds3r BIOS) but It doesn't show up on CPU-Z, Everest or Windows. I know there's something to do with changing voltages but obviously don't want to have to change them if I don't have to.

Intel Core 2 Duo CPU E4600 @ 2.40GHz
Nvidia 8800GT 256MB
2 x DDR2 2048MB PC2-5300(333MHz) - Part Nums(M2Y2G64TU8HC6B-3C & 16HTF25664AZ-667H1)

Any help on the settings I need to use would be much appreciated,

Alex

CRITICALThinker · Mar 18, 2014

There is a slight chance that your RAM speed may be holding you up, I am currently running a C2Quad O/c'd from 2.4 to 3.0GHz and it is running at a 1/1 ratio with my 667mhz RAM

for overclocking the core 2 series I had found these pages : http://www.overclock.net/t/263821/c2d-and-quad-temp-guide-by-computronix

- mostly Q6600 but - http://www.overclock.net/t/289573/my-experience-overclocking-the-q6600-a-basic-guide-walkthrough

that is all I can help with considering my limited knowledge in overclocking

Alex How · Mar 18, 2014

Thanks for the quick reply,

It is possibly considering both sticks are only 333MHz. Even if it doesn't jump from 2.4 to 3.0 and being on such slow RAM, I still assumed there would be enough in it to get the clock speed up by atleast 0.2. It's odd how in CPU-Z the multiplier changes but the bus speed won't atall, any ideas??

CRITICALThinker · Mar 18, 2014

Just did some hardcore Google searches and came up wit this : http://www.overclock.net/t/915342/need-help-overclocking-core2-duo-e4600 - links some programs

http://www.overclock.net/t/1567/intel-overclocking-guide - main guide

Alex How · Mar 18, 2014

Read through that. I think it must be the memory timings. Currently have a 12x multiplier, which changes on boot but the actual bus speed doesn't change atall so instead of getting 12 x 200 = 2.40GHz, changing the multiplier to 10 and the frequency to 250 just shows up as being 10 x 200 instead. How would I go about picking the timings?

CRITICALThinker · Mar 18, 2014

You cannot actually make your multiplier higher, and may only overclock by changing the FSB, PC3 5300 is actually 667MHz ram, so that is much better than 333Mhz, which is the max FSB the ram will run with (ill leave this here http://www.tomshardware.co.uk/forum/259899-29-core-overclocking-guide ), what cooler do you have? theoretically you could hit aprox. 4.0GHz (12*333 = 3996MHz) but I would not recommend trying that with any sort of cooling. Start with a lower clock if you have decent cooling and go from there. The motherboard also might be good to know.

Alex How · Mar 18, 2014

GA-P35-DS3R is my motherboard, I know I can't make the multiplier higher but it was just out of curiosity I changed it from 12x to 10x which shows up in CPU-Z but when I changed the speed from 200(standard) to 250 so that it would be up to 3GHz...it just sticks at 200Mhz on the bus speed. I've got a separate fan at the back of my case aswell as the standard fan on the processor itself so assuming that you can OC to 2.8-3(from what i've heard) easily on the base cpu fan...never know, sorry I'm a bit of a beginner at this.

CRITICALThinker · Mar 18, 2014

jsc :

Well, the stock fan will be the limiting factor.

This should be your first stop.
Core2 Overclocking Guide (generic guide based on an Asus motherboard)
http://www.tomshardware.co.uk/forum/259899-11-core-overclocking-guide
Just look at this for the basic principles. Gigabyte uses a different BIOS.

Shadow's Gigabyte motherboard OC guide:
http://www.tomshardware.co.uk/forum/page-245679_11_0.html
It's for an EP35-DS3L but all the Gigabyte Core2 BIOS's are similar.
This is the guide you should use for BIOS settings.

Go through the guides. Then take your core voltage off Auto and set your memory voltage to factory recommended values. Change the System Memory Multiplier from AUTO to 2.00. Then when you increase the FSB, the memory clock will rise in proportion with it. At an FSB of 200 MHz, your memory clock should be at 400 MHz.

Download CPU-Z to check your FSB:RAM ratio. It should be a 1:1 ratio.

Now start the "increase FSB, test, increase core voltage, retest" cycle.

Keep going until:
#1. Core temps under load reach 65 - 70 C.
#2. Core voltage reaches 1.50 volts.
#3. You reach maximum core speed.

With the stock cooler, #1 is the most likely.

found this on another thread, may help, no idea why the FSB will not change.

Alex How · Mar 18, 2014

With the system mem multiplier, does it matter if it's(in my case) 667 and a different number or does it have to be 1:1? Don't think I need to change the core voltage unless I was going up to say 3.4GHz. Cheers for your help anyway

CRITICALThinker · Mar 18, 2014

There should be no need for 1:1 ratio, that is just the max. Changing the voltage is most likely a requirement unless you are doing a very minor O/C (I believe), but it is always best to try and get the lowest stable voltage. You are welcome for all the help, I am glad to pass on any knowledge that I have gained through my time learning this as well

Alex How · Mar 18, 2014

Bump.

Anybody know any reason why the FSB won't change within Windows?

Search

Intel Core Duo e4600 OC'ing, completely at a loss

Alex How

Reputable

CRITICALThinker

CRITICALThinker

Distinguished

Alex How

Reputable

CRITICALThinker

Distinguished

Alex How

Reputable

CRITICALThinker

Distinguished

Alex How

Reputable

CRITICALThinker

Distinguished

Alex How

Reputable

CRITICALThinker

Distinguished

Alex How

Reputable

TRENDING THREADS

Latest posts

Moderators online

Share this page