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Could use some help overclocking

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Bought my system last year. Now I would like to overclock it.

The ASUS Striker Extreme has a nice AI Overclock feature in the bios.


I did set it to OC 5%, ran orthos ... stable

I did set it to OC 10% ran orthos ... stable


But when i tried to auto OC 15% i got bsod during vista boot.


Maybe it is best to input manual oc values.

I would like to run my E6700 (2.67Ghz) at 3.2Ghz

Read a couple of guides now, but am still unsure about the exact values.

Could someone please post detailed BIOS settings


System details can be found in my profile. If not sufficient just tell me :biggrin:


Edit: Could it be that the AI Overclocking option messes up my RAM values?


Grtz & Thx,


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I manually entered the settings in BIOS now.


Set FSB to 1228 Mhz Linked 2:3 ratio with Memory at 921 Mhz

CPU speed at 3070 Mhz


EDIT: Just passed 1 CPU stress test with Orthos.


Memory Timings: 5-5-5-18, T2 & 1.9V Passed 1 memtest cycle.

Used these settings because i got errors at test#5 in memtest with 5-5-5-12


CPU stressed with orthos both cores run at 63°C max.

Wonder if this is acceptable. Probably won't make 3.2Ghz.

Using Zalman CNPS9700-Cu to cool CPU.

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You are fully acceptable with a load of 63°C max. I would move to 3.2Ghz and retest.


Enter your BIOS and set:


AI Tuning : Manual
Nvidia GPU Ex : Disabled
LinkBoost : Disabled

FSB - Memory Clock Mode : Unlinked
FSB (QDR), Mhz : 1600
Actual FSB (QDR), Mhz : 1600
MEM (DDR), Mhz : 800
Actual MEM (DDR), Mhz : 800

Vcore Voltage : Auto
Memory Voltage :2.1v
1.2v HT Voltage :1.3v
NB Core Voltage :1.40v
SB Core Voltage :1.50v
CPU VTT Voltage :1.35v
DDRII Controller Ref Voltage : Auto
DDRII Channel A Ref Voltage : Auto
DDRII Channel B Ref Voltage : Auto

tCL (CAS Latency) : 5
tRCD : 5
tRP : 5
tRAS : 18
Command Per Clock (CMD) : 2 clock (2T)

Advance Memory Settings

tRRD : Auto
tRC : Auto
tWR : Auto
tWTR : Auto
tREF : Auto
tRD : Auto
tRFC : Auto
Async Latency : Auto

CPU Spread Spectrum : Disabled
PCIE Spread Spectrum : Disabled
MCP PCIE Spread Spectrum : Disabled
SATA Spread Spectrum : Disabled
LDT Spread Spectrum : Disabled

CPU Internal Thermal Control : Enabled
Limit CPUID MaxVal : Disabled
Enhanced C1 (C1E) : Enabled
Execute Disable Bit : Disabled
Virtualization Technology : Enabled
Enhanced Intel Speedstep Tech : Enabled
LDT Frequency : 5x

PCIEX16_1 Frequency (Mhz) : 101
PCIEX16_2 Frequency (Mhz) : 101
PCIEX16_3 Frequency (Mhz) : 101
SPP<->MCP Ref Clock, Mhz : 202


If you are using the system normally, gaming, video and audio editing, etc. and not using 24/7 folding etc, then your nominal use will not make anywhere near the full Orthos load anyway. I find 70C to be my full load on those processors. (B2 Revision). Leave the DRAM at stock whilst you test for the 3.2Ghz overclock.

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320 X 10 is a good spot with that CPU and your thermals. That processor has a characteristic to run fairly warm. You can test with lowering the multiplier and raising the FSB but I would say that your thermals will increase quite a bit. Find your sweet spot but I think that with your mid range cooler and that CPUs propensity to run hot, I would hazard a guess that your sweet spot will have more to do with thermals than inability of the CPU to run stable.
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