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E6750 O.C. at 3.2 gives error in 1 minute on Prime95 ??!

  • Memory
  • CPUs
  • Windows XP
  • Overclocking
Last response: in Overclocking
October 13, 2007 9:20:41 PM

My PC:

O.S.: XP SP2
PSU: LC-Power LC6550GP V2.0
Board: Asus P5K
CPU: Core 2 Duo E6750
Memory: Kingston KHX6400D2LL/1G, 2 modules
Video Card: XFX GeForce 7900 GS

Memory timings 4-4-4-12 with VRam at 2.0
CPU FSB: 400
CPU Ratio: 8
C1E: Disabled
Max CPUID Value Limit: Disabled
Vanderpool: Disabled
CPU TM Function: Disabled
Execute Disable Bit: Disabled
Speedstep: Disabled
CPU Spread Spectrum: Disabled
PCIE Spread Spectrum: Disabled

Running Prime95 version gives me sometimes a hardware error, others a delay something on Test1 sometimes Test2 after 1 minute of execution. With this PC and this settings it should handle a mere 3.2 O.C. fine shouldnt it ?

What the HELL am i doing wrong ??!! Someone help me ?

More about : e6750 error minute prime95

October 14, 2007 5:24:20 PM

What are your Vcore, memory voltage spec, and temperatures at? Do you have Speedfan and Core Temp?
October 14, 2007 5:27:22 PM

Also is your memory linked? If not what memory multiplier and frequency are you using?
Related resources
October 14, 2007 8:40:11 PM

Vcore is in AUTO and it raises itself to 1.4
If i try to set it to 1.25 for ex. computer wont even boot, it i choose manual and set 1.4 it lowers like to 1.3, it shouldnt lower it since i have everything disabled

Memory voltage is at 2.0 like it should be with 4-4-4-12 timings, frequency i choose it manually DDR2-800 so its working at 400 FSB
Dont know what u mean by memory linked and never heard of memory multiplier.

I use Core Temp and temps at full load are 60º during Prime95 test

October 15, 2007 7:06:26 AM

Have you tried relaxing the memory timings? Set them at 5-5-5-15 for a test run and see if it's that.
October 15, 2007 11:34:42 AM

Yes, with 5-5-5-15 i even set memory voltage at 1.8 like it should be and then i left it in AUTO and it set itself to 5-6-6-18 with same error.

It must be a voltage problem cose i've seen many people with 3.2 o.c. and VCore at 1.23, if i set lower than 1.3 computer wont boot, or maybe i need to raise other voltages like NB.

Gonna try Orthos and see if i get same error, heard some people have errors with prime95 and with orthos dont, others have problems with orthos and with prime95 dont
October 15, 2007 12:12:28 PM

OK then most likely it isn't the memory causing it. You say that you set the Vcore at 1.4 and the computer resets it to 1.3? It can't hurt to try upping the NB voltage just a bit and give it a go.