Overclocking wolfdale woes

DevilBoy916

DevilBoy916

DevilBoy916

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8 Jan 2007
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169
Hiya guys

My setup :
E8400 Wolfdale
Asus P5K Premium P35 mobo
4GB Geil 800MHz ram (2* 2GB)
8800GTS 512mb

I am trying to overclock my CPU, and so far I can't get past 3.17GHz!

I've followed the beginners overclocking guide, and ran Prime95 for half hour, and its stable.

I have the Vcore on auto in the BIOS, and its currently at 1.22v.
The FSB is set at 353mhz, and the multiplier is 9x.

What is my next step? If i up the FSB, the pc will boot, but crashes after 10 minutes or so.
If I up it more than that, it doesn't boot windows at all!

Help!
Cheers
DB
 
DevilBoy916 said:
Hiya guys

My setup :
E8400 Wolfdale
Asus P5K Premium P35 mobo
4GB Geil 800MHz ram (2* 2GB)
8800GTS 512mb

I am trying to overclock my CPU, and so far I can't get past 3.17GHz!

I've followed the beginners overclocking guide, and ran Prime95 for half hour, and its stable.

I have the Vcore on auto in the BIOS, and its currently at 1.22v.
The FSB is set at 353mhz, and the multiplier is 9x.

What is my next step? If i up the FSB, the pc will boot, but crashes after 10 minutes or so.
If I up it more than that, it doesn't boot windows at all!

Help!
Cheers
DB
Click to expand...

More vcore? also have you change the voltages for the ram at all? I found adding 0.3v to my ram allowed my overclock to go way further
 
First off, don't leave the vcore on auto, set it manually, then if you find it's crashing out on you, up the vcore a notch, and retry. Once stable, increase FSB untill unstable, then add more vcore... make sure you keep an eye on temps though...
 
jonislost probably onto something.

check that your ram is running correct voltage, latencies and there memtest stable at their rated speed before you start to overclock the cpu.
 
Um nope!
Thats on auto too.

Should i be setting that to 800mhz?

I set the DRAM frequency option in the BIOS to 848mhz.
In CPUz it shows as 423.6 mhz...

I think this is in the timings section on cpuz.
 
Last edited:
Ok, so you’re overclocking your ram at the same time to, knock it down to the lowest divider in the bios, get the ram running under its rated speed and then you can start upping the fsb.
Set the correct ram voltage in the bios and input the correct latencies for your ram in the bios to. Get it off auto.

I think you only glanced at the beginners overclocking guide ;)
 
I did read it, but I am having trouble identifying what things the instructions relate to in the BIOS.

Like, there is no option for the Ram divider! (Don't call me thick!).
If i whack the dram timing control to manual, i can adjust :
Cas latency (5)
RAS to CAS delay (5)
RAS precharge (5)
RAS activate to precharge

And a few others that are set to auto (TWR, TRFC, TWTR, TRRD, TRTP).
?? help!
 
dude, no one is going to call you thick :)

I have the same board, you run dividers but you set them up differently...

See the option named 'FSB strap to northbridge', set that to 333. Once you have done that set the DRAM frequency to whatever is under 800MHz.

now your ram should be at least running under its rated fsb, which will give you headroom to push the cpu fsb higher.

Set latencies to:

Cas latency - 5
RAS to CAS delay - 5
RAS precharge - 5
RAS activate to precharge -15

DRAM command rate - 2T

Leave the rest on auto

Set the DRAM voltage to 2.15v

Once you have done that, let me know what ram frequency cpu-z is reading.

oh and if you havent already, set the vcore voltage and enable cpu voltage damper.
 
Thanks so much for that Hesky!

Right, I've done everything you've mentioned, except the cpu voltage dampner (Not sure where that is!)

CPUz is saying :
DRAM frequency 393mhz
FSB:DRAM 1:1
5-5-5-15
Command rate 2T

For the CPU:
Core speed 3537mhz
Multiplier x9
Bus speed 393mhz

My Vcore voltage is set at 1.25v and the DRAM voltage is set at 2.15v

Think i'm ready to stard upping the FSB now?
I will run Prime95 for 30 minutes for each 5mhz...
 
Right. I've got the CPU up to 3.67ghz now
The vcore is up at 1.248v and the bus speed is at 408mhz

Any higher on the FSB and windows crashes after 10 minutes of prime95.
Am I safe to keep upping the core voltage?
Or should I decrease the multiplier to 8 or something? I've seen a few people do that...

Cheers!
DB
 
cool you got it running 1:1 to, now your over 400mhz its hard for me to know if its your ram crashing out or cpu.

yeah, maybe try a bit more vcore and see if that works, keep an eye on temps though

CPU Voltage Damper maybe Load-Line Calibration depending on bios.

let us know how you get on.
 
Excellent little guide Hesky... Ive only got minor-ish OC's (3.2GHz) on my E6600 using very basic techniques i learned back in my PII 400 days so ill have to have a play tonight with your recommendations :)
 
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