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Help! Overclocking Asus P5N32-SLI SE DELUXE, Intel Core 2 Extreme 6800

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February 5, 2010 12:52:34 PM

Im in pretty bad shape/need some help. Short backstory before I detail specs. I have a PC that belonged to someone who has passed away. This PC was severly overclocked, and had been running stable for over a year, The CMOS died on the PC and the settings were lost. Due to this person no longer being with us, I have no one to advise me on how to re-clock this PC, I hope someone can help.


Motherboard: Asus P5N32-SLI SE DELUXE
CPU: Intel Core 2 Extreme 6800 2.93
RAM: Corsair XMS2 DDR2 1g X4, 5.5.5.15 1066mhz

Ive manualy got the PC set to

AI Overclocking:
CPU VCore Voltage: 1.6750V
FSB Terminiation Voltage: 1.415V
Memory Voltage: 2.40V
NB Chipset Voltage: 1.60V
SB Chipset Voltage: 1.60V

Spread Spectrum Setup:
PCIE: Down Spread
SATA: Disabled
LDC: Disabled

Performance Options:

FSB Optimize Mode: Disabled
Memory Optimize Mode: Disabled
System Clock Mode: Manual
FSB Clock: 1335
Memory Clock: 875

PCIE Frequency: 100.0000

Memory Timings: Auto





CPU Configuration:

Default CPU Ratio: Enabled (Min 06, Max 20, Currently at 11)
Max CPUID Value Limit: Disabled
Execute Disable Function: Disabled
Enhanced C1 Control: Disabled
Virtualization Technology: Enabled
CPU Internal Thermal Control: Disabled
Intel SpeedStep: Disabled


Chipset:

Memory Remap Mode: Disabled
Primary Graphics Adapter: PCIe1->PCI->PCIe2
PEG Link Mode: Auto
NB Hyper Transport Frequency: 800mhz
SB Hyper Transport Frequency: 800mhz

Smart Q-Fan Disabled


Now Im not sure what more information is needed but here is what I know. with these settings I can hit 3.66 for the CPU and it runs pretty stable. I want to know if there is something I should turn down where applicable, and what I should turn up. I know for a fact this PC ran solid for over a year at 4.2 and I would like to get it back there.

I am using a Mach II GT from Extreme Cooling Technologies for cooling the CPU, 1x radiated 120mm Chassis fan back case, 2-3 80mm Side/Top case, and 200+ front cast. It usualy runs between about -7 degrees ferinheight(sp).
a b V Motherboard
a b K Overclocking
February 5, 2010 1:51:11 PM

AI Overclocking:
CPU VCore Voltage: 1.6750V
FSB Terminiation Voltage: 1.415V
Memory Voltage: 2.40V
NB Chipset Voltage: 1.60V
SB Chipset Voltage: 1.60V


Those voltages are NOT good, they are WAY too high and you are risking frying many components as we speak!


CPU VCore Voltage: should not exceed 1.50V
FSB Terminiation Voltage: 1.415V (not sure on this one as i have never messed with it)
Memory Voltage: should not exceed 2.10V in most cases, but 2.0 in some cases
NB Chipset Voltage: 1.60V (not sure on this one as i have never messed with it)
SB Chipset Voltage: 1.60V (not sure on this one as i have never messed with it)

My guess is that you are WAY too high on the other voltages you posted as well as the others!
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February 5, 2010 1:59:25 PM

After setting those settings and seeing it hit 3.66 I reset the bios, made sure it still posted and ran on, then shut it down untill I can get some good advice :)  Im glad I did so.
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a b V Motherboard
a b K Overclocking
February 5, 2010 2:26:34 PM

Glad you reset the settings, those were way too high. What kind of OC are you looking to achieve? I assume you are doing all of the overclocking/settings changes in the BIOS as opposed to software?

My system is similar, i have a Q6600 which is the same chip as the QX6800, but the QX6800 has higher stock speed and an unlocked multiplier. I also have an ASUS P5Q Pro motherboard, not the same as yours, but both ASUS boards, so settings will be similar...

Here are the settings i have for my OC @ 3.6 for the Q6600 in my motherboard:


Motherboard: Asus P5Q Pro
CPU: Intel Core 2 Quad 6600 2.4
RAM: G Skill DDR2 (2 x 2GB) 4-4-4-12

Ive manualy got the PC set to

FSB : 400mhz
CPU VCore Voltage: 1.39V
FSB/DRAM frequency Ratio : 1:1
Memory Voltage: 1.90V
PCIE Frequency: 100.0000
Memory Timings: manual to 4-4-4-12
Default CPU Ratio: Enabled (Min 06, Max 20, Currently at 9)
Max CPUID Value Limit: Disabled
Enhanced C1 Control: Disabled
Intel SpeedStep: Disabled

Any of the other settings i did not mess with.

If the voltage does not work the same as mine, you can raise it to 1.44 from 1.39, that is something you will have to test till you get a stable overclock.

Also, use the link below, it is a GREAT guide, read it over a few times, then start overclocking...

http://www.tomshardware.com/forum/240001-29-howto-overc...
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February 5, 2010 2:40:58 PM

I am doing all of the OC through the BIOS yes, and I am looking to achieve the previously held 4.2
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a b V Motherboard
a b K Overclocking
February 5, 2010 2:53:38 PM

4.2 would be a 420 FSB and a 10 x multiplier, i would guess the CPU voltage needs to be near the 1.50 max, start with 1.44 and see if that works.
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February 5, 2010 3:32:46 PM

Please keep in mind my newness to OC. I attempted to set the Manual System Clock mode to 420 FSB and leaving the default memory clock at 800, and it just defaults the FSB to the 1066 standard. Am I changing the wrong setting?
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a b V Motherboard
a b K Overclocking
February 5, 2010 3:56:51 PM

you will want to set the ratio to 1:1 so the RAM will auto-adjust to the FSB setting you lock down, in this case, if it is set to 1:1, changing the FSB to 420 will automatically change the ram to 840 from the default 1066 it is reted at...
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!