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Assitance with Overclocking E8600. Any help appreciated
rickardp 
29/8/08 1:04:43 AM
Serf
Hi all
I'm about to attempt to OC my E8600 I have read a lot about it and people getting it around 4 - 5Ghz.
For me atm I only want get to 4GHz. As this will be my first time at Overclocking I just wanted to get some feed back. I have read many guides some useful some not and a few right over my head but I think I have a understanding of the basics

Below is a check list of what I'll be doing so please let me know if I'm doing something wrong or left something out.
I basically used the steps found in the guide stickied here.

CPU: Intel E8600
Motherboard: GA-X48-DS4 Gigabyte
Ram: Cosair 4GB TwinX 6400C5 Kit 5-5-5-15
Fan: Stock Fan
GPU: 512 MB Sapphire HD4870

Go into the Advanced BIOS Features section and set the following to Disabled:
- Limit CPUID Max. to 3
- CPU Enhanced Halt (C1E)
- CPU Thermal Monitor 2(TM2)
- CPU EIST Function

Enter the MB Intelligent Tweaker (M.I.T.) section and do the following:

- CPU Clock Ratio: 10x
- Set CPU Host Clock Control to Enabled
- Set CPU Host Frequency (MHz) to 400
- Set PCI Express Frequency(MHz) to 100 (Could anyone explain why I need to do this?)
- Set System Memory Multiplier to 2.40B (Selected 2.40B as it gave me a 1:1 ratio 800 - 800. Not sure about this one some feedback would be great.

Below are my current settings, do I need to change these?

Set DRAM Timing Selectable to Manual
- Set CAS Latency Time to 5
- Set DRAM RAS# to CAS# Delay to 5
- Set DRAM RAS# Precharge to 5
- Set Precharge dealy (tRAS) to 18


- Set voltage 1.15, decided on this as I read a few forums and one person stated he was stable using this figure.

So basically that's it. As mention before this will be my first time Overclocking and any assistance would be greatly appreciated.

Thanks in advance!








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Doctor Octopus 
29/8/08 5:59:17 AM
Master
2.40B on the memory multiplier will not give you a 1:1 ratio, it will take the FSB and multiply it by 2.4 - giving you 960MHz. Set it to 2.0A to get what you are looking for. That tRAS timing is quite high, you should attempt to turn that down to about 15, because if you look at the ram you have, it's rated at 5-5-5-15 at 800MHz. The PCI E frequency is basically a bandwidth sorta thing, but not really. All cards work more efficiently at 100MHz, that's what I know.

One more thing, you're using the stock heat-sink and fan, it's recommended that you upgrade that to a decent cooler, as at the moment there's no guaranty that you will get near to 4Ghz due to heat issues.

Edit: Oh, and 1.15 seems a little low to me, but try it out and see how it goes, chances are you'll have to put that a little higher, possibly 1.2V.


Edited by Doctor Octopus: 29/8/2008 6:00:02 AM

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"Make sure your answer uses Scripture, not logic." - The Christian Forums

rickardp 
29/8/08 12:01:00 PM
Serf
Thanks for the feed back.

I read forums saying its possible to OC this chip with standard fan only reason why i'm trying. If ot turns out I dont have much success with it I'll get an aftermarket fan. Can you suggest a good one?

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Doctor Octopus 
29/8/08 3:27:24 PM
Master
Yeah sure :-)

The Thermalright Ulra 120 Extreme gets my vote. I believe the Tuniq Tower gets a good vote as well from most, as well as the Notcua something, can't remember the exact name -- hopefully someone will be in soon to specify (Frunj).

Cheers.

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"Make sure your answer uses Scripture, not logic." - The Christian Forums

espionage 
29/8/08 4:09:28 PM
Master
+1 for that TRUE. otherwise get a thermalright SI-128SE which is similar in performance of a TRUE, but less price. Not sure if it is easily available though. here's the review for SI-128SE:
http://www.xbitlabs.com/articles/coolers/display/thermalright-si128se-ultra120a.html
it got a good review on xbitlabs.

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osama_bin_athlon 
30/8/08 11:33:59 AM
Hero
Immortal


yeh, the Tuniq Tower 120 is a great cooler, nice and cheap too, doubly so, as it already includes fannage.
any of the above-mentioned coolers will serve you well, just go with the cheapest of them that's readily available, would be my advice.

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....it's called a 'snuke'.

nesquick 
31/8/08 4:49:23 PM
Guru

first thing to remember is if you kill something its not anyone's fault but yours as overclocking is dangerous and will void warranty.

however since you asked the best way (kind of already said) is just slowly increase that fsb till it won't boot into windows then lower it back about 15mhz and stress test to see if its stable. as a side note my e8600 is stable in that voltage region at 4ghz :)

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e8600@4.5ghz 1.39v|GIGABYTE X48DS4|BALLISTIX TRACERS 4GB+PATRIOT PC9200 1GB|HD4870 HD4850 CROSSFIREX|640GB WD HD|CORSAIR HX520|ANTEC TX1050B CASE|TRUE|

rickardp 
2/9/08 11:05:47 PM
Serf
Hi all

Just wanted to let you know I successfully overclocked my E8600 to 4Ghz, voltage is at 1.22v and its stable! I did think about going further but for now I'm statisfied with where its at.
Unfortunately the fan is not one that was recommended. I ended up getting a Zalman 9700 NT as the stores I usually go to did not stock the recommended ones. I cant complain though it seems to be doing its job. CPUS running at 29-30 degrees idle and hits 39-40 degrees under load.

So far I've had no issues and everything is running fine. Thanks everyone for the helpful advice! It was very useful and much appreciated.

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Fat_Bodybuilder 
2/9/08 11:24:30 PM
Titan

You're lucky that it's a 45nm CPU and naturally cool, with the older Core2s, the Zalman would have phailed badly.

And check your temps with real(-ed) temp :-) and post what you get with that.


Edited by Fat_Bodybuilder: 3/9/2008 10:42:52 AM

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E8500 @ 4.0Ghz Daily || 2GB OCZ Special Ops || X38-DS4 || HD 4870   
ViewSonic 26" || Logitech Z4 || TJ07 || G11 and G5

rickardp 
3/9/08 6:33:22 AM
Serf
I tried goggling Ream temp but nothing came up.
Did you mean Real Temp?

Anyway Real temp is what I used to get the readings I first posted.

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Fat_Bodybuilder 
3/9/08 10:42:25 AM
Titan

Yes Real Temp lol :P

Sorry xD

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E8500 @ 4.0Ghz Daily || 2GB OCZ Special Ops || X38-DS4 || HD 4870   
ViewSonic 26" || Logitech Z4 || TJ07 || G11 and G5

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