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Problems Overclock an e8400 in asus p5kpl/1600

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guau   08-18-2009 at 07:38:55 PM

Hello, i,m triying to OC this cpu and i cannot reach the 3.6gh :fou:

The maximum that i can OC its a 15% 3.45 stable.

I have a nice memorys gskill ddr2 1000mhz 2.1v.


Can anyone help me?

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festerovic   08-18-2009 at 11:14:23 PM
- 0 +

Check out this thread (it's a sticky)

http://www.tomshardware.com/forum/ [...] uals-guide

What have you done to overclock it?

Reply to festerovic
guau   08-18-2009 at 11:30:34 PM
- 0 +

i have tried a lot of thing

1.First with Asus profiles only works 15% or less.
2.Setting fsb 400mhz and multiplier 9x ,no black screen, but windows doesn,t start(i have tried with a lot of voltage values and no stable)
3. Setting higher fsb and lower multiplier(my last try, sycronice memorys and fsb) , black screen, have to turn off PC.

Asus p5kpl /1600=rubbish ....

Reply to guau
festerovic   08-18-2009 at 11:44:37 PM
- 0 +

Did you raise the NB voltage? Also, try setting memory to very low speed.

Are temperatures OK at 3.45?

Reply to festerovic
theLaminator   08-18-2009 at 11:55:52 PM
- 0 +

On my Asus Rampage Formula the highest the Asus overclock profiles will let me go is 3.33Ghz. If you're wanting to get to 3.6 you'll have to manually set your values and not use the Asus profiles.

I would say 1.325v Core voltage, 400fsb, 9x multiplier. You should be able to run a lower voltage than that though I would think

------------------------------ ASUS Rampage Formula,
E8400 @ 4 Ghz,
Radeon HD 3870x2 Cf single W/ 3870,
G.Skill PC2-8500 PI Series,
Reply to theLaminator
Gulli   08-19-2009 at 01:10:35 AM
- 0 +

I used to have a Q6600 (D0) with my P5KPL-CM (same chipset) and I could get it to a stable 20% OC just by using the auto-profile, but to manually overclock it at 3ghz I needed to up the voltage just a little (but well within specified safe parameters) to achieve stability, then after a couple of weeks it just went "poof" on me (the PC just shut down while I was reading a newssite.)
I still don't know what happened, but my warranty got me a new P5KPL-CM and I bought a new PSU just to be sure, from then on I just left it on a 20% OC using the auto-profile, never had a problem since (I kept it for 7 months, I went i7 in July.)

 

The moral of the story is: although it may have been the PSU that killed my mobo, the P5KPL's just aren't good overclockers.

 

Still, 3.45ghz is enough for gaming, unless you have 2 4870X2's or something, in which case you probably have the money to buy a better mobo, if you were into professional applications needing a lot of processing power you'd have known you'd be better off with a quadcore, so chill and enjoy your gaming with your 3.45ghz.


Message edited by Gulli on 08-19-2009 at 01:14:01 AM
------------------------------ CPU: Intel Core i7 920 @3.2Ghz, MOBO: Asus P6T SE, RAM: 3x 2gb OCZ Platinum OCZ3P1600LV6GK, GPU: Sapphire HD 5870, PSU: Corsair HX520W, HDD: Seagate ST31000528AS 1Tb 32mb, COOLER: Scythe Mugen (S775 version), CASE: Coolermaster CM690
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