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E6600 on P5B-deluxe - help with OC, please

post #1 of 17
Thread Starter 
Hi!

I've seen a lot of threads involving Core 2 Duo E6600, yet there was none that could help me with my overclocking. My system is built on ASUS P5B-deluxe, has E6600 CPU and 2x1GB Cellshock 800MHz RAM (CL4-4-4-12). All nice and easy, but there are some things bothering me. Although it's a fast system, some settings are not as they should be. Here's CPU-z info:
Attachment 50772Attachment 50773Attachment 50774

1. CPU speed jumps from 1600MHz (x6.0) to 2400Mhz (x9.0) according to stress. That's ok, I could have that removed, but I would overclock first.
I'd like to overclock to 2.8GHz (would be good) or 3.0GHz (even better, but I'd like to keep the temperatures low). Help me with my settings, please.

2. My memory should be PC2-6400, but I guess default BIOS profile adjusts it lower. I would like to achieve full capacity of my Cellshock RAM (4-4-4-12) or more, according to whatever FSB: DRAM ratio and overall settings you would suggest.

Please, I have never overclocked a PC in my entire life and I don't want to screw things up since it was quite expensive to buy. Any advice would be excellent!

Also..what am I expect if I overclock; lower life span of components?


Swordfish
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Swordfish
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post #2 of 17
BIOS settings
----------------

FSB- 333mhz
PCI-e freq- 100mhz
spread spectrum- disabled
cpu vcore- 1.32...for starters
NB- 1.45v
SB- 1.5v
ICH- 1.02v
DDR- 1.9-2.0v
------------------

You will have to set your RAM at the speed you wish, you should have plenty of options w/ your Cellshock that will work wonderfully.

Give those settings a try, and we will see how far we can get you.
post #3 of 17
Thread Starter 
Ok. I've set the parameters below as you've said. I gave Memory 1,95v and now here's how I stand:
Attachment 50781Attachment 50782
I've left multiplier to vary from 6-9. So far holding on quite nicely, temperature 2-3°C higher than before, but still OK. CPU voltage holds its maximum at 1,29v

How do I set the RAM at my desired speed? I've changer it under DRAM Frequency to 8-something, but that didn't change much. Frequency under Memory tab in CPU-Z said it was now running at something like 416MHz, FSB: DRAM ratio was 4:5, but all the other numbers didn't change and SPD still said I had a PC2-5300 memory.


Quote:
Originally Posted by CL3P20 View Post
BIOS settings
----------------

FSB- 333mhz
PCI-e freq- 100mhz
spread spectrum- disabled
cpu vcore- 1.32...for starters
NB- 1.45v
SB- 1.5v
ICH- 1.02v
DDR- 1.9-2.0v
------------------

You will have to set your RAM at the speed you wish, you should have plenty of options w/ your Cellshock that will work wonderfully.

Give those settings a try, and we will see how far we can get you.


Swordfish
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Swordfish
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Hard DriveOptical DriveOSMonitor
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post #4 of 17
Quote:
Memory tab in CPU-Z said it was now running at something like 416MHz, FSB: DRAM ratio was 4:5, but all the other numbers didn't change and SPD still said I had a PC2-5300 memory.
Your CpuZ screen shot shows your running your ram at 667..not 800+. In the BIOS, under 'jumper free setting' you can adjust the RAM speed. You should pick something between 800-1000mhz for your RAM. Other than that...it all looks good. After you fix your RAM freq, you should run a 8million SuperPi test to stress it some. Make sure it passes the test, then you might try some Orthos or some Prime95 tests for your cpu.

Oh yeah..forgot one voltage setting in BIOS.
---------
FSB term voltage- 1.25-1.3v [i dont remember what the options are..but you DONT need 1.4v unless you are over 400fsb]
post #5 of 17
Thread Starter 
I was trying out a few settings I guess I posted the one I didn't set the DRAM.. Here's RAM at 416MHz freq. (I think the setting said something abot 833 or so):

Attachment 50801 Attachment 50802

I am a bit confused looking at the SPD tab. Why does it say PC2-5300. My RAM is 6400 Looking at the startup screen I also saw it says PC2-5300 there and so does Everest. The only place I see the 4-4-4-12 timings is on the Everest page under "Enhanced Performance Profile" and the only place I see the PC-6400 label is directly on the RAM module. I am a bit confused. Does this mean I got the 667MHz RAM instead of 800MHz?

Also, when I tried to set the DRAM Frequency to 1000MHz or so, my computer wouldn't even get to BIOS at all so I had to manually remove the battery from the motherboard to set it back to default.

Here's how it looks in Eveest:
Attachment 50803


SuperPi and Orthos went through just fine.

Quote:
Originally Posted by CL3P20 View Post
Your CpuZ screen shot shows your running your ram at 667..not 800+. In the BIOS, under 'jumper free setting' you can adjust the RAM speed. You should pick something between 800-1000mhz for your RAM. Other than that...it all looks good. After you fix your RAM freq, you should run a 8million SuperPi test to stress it some. Make sure it passes the test, then you might try some Orthos or some Prime95 tests for your cpu.

Oh yeah..forgot one voltage setting in BIOS.
---------
FSB term voltage- 1.25-1.3v [i dont remember what the options are..but you DONT need 1.4v unless you are over 400fsb]



Swordfish
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Hard DriveOptical DriveOSMonitor
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Swordfish
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Hard DriveOptical DriveOSMonitor
Seagate SATAII 320GB NEC AD-7170S Windows XP Professional 32bit NEC 2070WNX & 1770NX 
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post #6 of 17
Thread Starter 
I just noticed the value under voltage in Everest: 2.1V. So..I should change it to this value? Would it make any difference?
Swordfish
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Swordfish
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Hard DriveOptical DriveOSMonitor
Seagate SATAII 320GB NEC AD-7170S Windows XP Professional 32bit NEC 2070WNX & 1770NX 
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post #7 of 17
Quote:
I am a bit confused looking at the SPD tab. Why does it say PC2-5300. My RAM is 6400 Looking at the startup screen I also saw it says PC2-5300 there and so does Everest. The only place I see the 4-4-4-12 timings is on the Everest page under "Enhanced Performance Profile" and the only place I see the PC-6400 label is directly on the RAM module. I am a bit confused. Does this mean I got the 667MHz RAM instead of 800MHz?
When you change the cpu multi, it lowers the strap setting for the NB. This throws off the detection of RAM speed, due to the NB operating at a increased speed....Its nothing to worry about, its totally normal. If you want, disable the speedstep and C1e in the 'cpu' portion of your BIOS. That should keep your multi from moving, and display the correct speed.

As far as your RAM goes,http://www.overclock.net/attachments...g?d=1182801837
shows your RAM to be capable of 4-4-4-12-4 timings @ 800mhz...but it is currently set to 5-5-5-15-5.

So..in your BIOS, under the 'chipset' tab, set your RAM timings manually to the following.

4-4-4-12-4-25-9-9-9-9 @ 2.2v...if the cpu boots and posts , do some memory benchies in Windows. If all is well, try to lower the settings to :
4-4-4-12-4-20-8-9-9-9 @ 2.2v...then repeat. If all is well, try to lower the voltage to 2.15 and repeat.

^^^^Doing that will drastically increase your memory throughput speeds.
post #8 of 17
hey guys

i have a similar system (e6600, p5b deluxe, 4Gb PC2-6400 800MHz) and when i try these settings Asus AI Suite says my CPU gets upto 57C under Orthos load - should it be this high ? And should i trust AI Suite ?

Quote:
Originally Posted by CL3P20 View Post
BIOS settings
----------------

FSB- 333mhz
PCI-e freq- 100mhz
spread spectrum- disabled
cpu vcore- 1.32...for starters
NB- 1.45v
SB- 1.5v
ICH- 1.02v
DDR- 1.9-2.0v
------------------
Thanks
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Mufasa
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post #9 of 17
Thread Starter 
My CPU got that hot as well. I guess we should have nothing to worry about

Quote:
Originally Posted by OC101 View Post
hey guys

i have a similar system (e6600, p5b deluxe, 4Gb PC2-6400 800MHz) and when i try these settings Asus AI Gear says my CPU gets upto 57C under Orthos load - should it be this high ? And should i trust AI Gear ?



Thanks
Swordfish
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Swordfish
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Hard DriveOptical DriveOSMonitor
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post #10 of 17
What are your ambient temperatures? How good is your case airflow (how many fans, what orientation)? How well is your heatsink seated? Are you using AS5 or the thermal pad? These things all make a difference in the temps you get. I'd trust Everest or CoreTemp v0.94 for my cpu's temps.
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