E6600 + P5W Overclocking help needed please !

[villain1]

I have my e6600 +P5w running stable at 3.0 ghz but no matter what i try i just cannot get it running stable any higher.
Can anyone with similar setup help me get stable at at least 3.2 ghz.

CPU Model: E6600
CPU Vcore: Auto
Multiplier and FSB used: 9 * 333
Clock Speed: 3000MHz
Dram Freq: ddr2 833
Motherboard: Asus P5W DH
RAM: 2Gb GSkill HZ PC2-6400
RAM Timings: 4-4-4-12
RAM Voltage: 2.1v
MCH Chipset Voltage: 1.5
ICH Chepset Voltage: 1.05
Method of Cooling: Zalman 9500
PCI Express Freq: 101
PCI Clock Synch: 33.33

I am new to overclocking so might be something simple i am missing here,i am raising the fsb and upping the cpu vcore volts but just cannot go any higher.

Thanks for any help you can give.

 

[kevpuk]

Definitely should plop the RAM onto a lower divider to check it is not that which is restricting you....and give the CPU a little more volts......

Here are my latest settings :

1. CPU Model - E6600
2. CPU Vcore - Auto
3. CPU Stepping - Week29B B2
4. Multiplier and FSB used - 356x9
5. Clock Speed - 3.2ghz
6. Motherboard - Asus P5W-DH
7. Motherboard BIOS version - 1503
8. RAM - 2GB GeIL PC2-6400
9. RAM Timings - 4-4-4-12
10. RAM Ratio/ Divider - 1:1
11. RAM Voltage - 2.10V
12. Method of Cooling - Scythe Ninja Plus
13. Stability - SuperPi 32m, Orthos 8+ hours

Pushed it a little :

1. CPU Model - E6600
2. CPU Vcore - 1.475
3. CPU Stepping - Week29B B2
4. Multiplier and FSB used - 400x9
5. Clock Speed - 3.6ghz
6. Motherboard - Asus P5W-DH
7. Motherboard BIOS version - 1503
8. RAM - 2GB GeIL PC2-6400
9. RAM Timings - SPD P5W-DH prob
10. RAM Ratio/ Divider - 1:1
11. RAM Voltage - 2.10V
12. Method of Cooling - Scythe Ninja Plus
13. Stability - SuperPi 32m, Orthos 8+ hours

Maybe helps ? Bear in mind that every CPU and mobo and RAM will achieve different results

 

[xirokx]

have you tried lowering the RAM fsb whilst testing how high you can get the FSB for your cpu???

putting your RAM on a lower divider i.e 2/3 then trying to increase the CPU fsb to find its limit???

when overclocking its great people posting their settings but its always gonna be different to yours....i find it just puts me of course...

 

[welshtom]

tried upping the mch volts a bit more

 

[Duff-Man]

Okay, first try giving it some more vcore and memory voltage. Put it on 1.45v vcore and maybe 2.0v memory and try booting. If you still have problems then you've got some kind of fsb wall on your P5W. Mine is the same, and it's a bit crap. First try this:

Disable "Hyperpath 3" in the Chipset section of the bios.

This usually fixes a 'wall' at around 300mhz fsb.

If you're still having problems, then Enable the "set memory timings by SPD" option or whatever it's called, in the Chipset section of bios. This means that you have to run the memory only at the timings preset in the memory. I have to do this too, and it's a pain in the arse, but at least it lets me up the fsb to 400+.

Also try raising the MCH(?) voltage (the middle of the 3 chipset voltage options). Try 1.55v.

 

[villain1]

Ive managed to run orthos for 8 hrs without fail at 3.20 by upping the ram voltage to 2.15 and changing the ram settings to 5-5-5-15.
My only concerns are my temps were peaking at 60 deg after 8 hrs of orthos and at around 40 idle.
I have an Antec p180 case along with a zalman 9500at cooler on the CPU which has been treated with AS5.
Are these temps to high for everyday use ?

 

[welshtom]

you really need to hit the mch volts hard if you are at an fsb wall.

its ALL in the mch i found (with vcore too). the fsb scales quite nicely with mch volts

 

[trojan698]

seconding toms suggestion, although mine's a completely different board and chip, raising the MCH certainly made a difference - more so than increasing vcore.

 

[Duff-Man]

60C max load is fine.

Also, you'll notice it will rarely go above 54 or 55 with only a single core in operation.

 

[villain1]

Managed to lower vcore slightly and now in orthos is at load between 50-55 deg which i am happy with.
Have now managed to break the 16000 barrier in 3dmark05


Thanks all for your help