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Q6660 OC issues

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Old 07-15-08, 03:30 AM Thread Starter   #1

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Q6660 OC issues

hi all i am trying to overclock my q6600 to 3ghz i have managed to do it but at ramdom times it refuses to POST i then resets the bois to defaults and then re-overclock and it works or other times it POST then gets into windows i then get blue screen of death and it resets and returns all bios settings to stock i then yet again re do the overclock and it then works and boots in to windows normal could some one help me find the reason why i get this issue i am running 64bit prime95 right now at home on it to check to see for any erros but wont b able to report any thing back untill i finish work at 5.15GMT london i have a few screen shots of CPUID and core temp but wile prime 95 was runing before i left my house the temps were mad like 79c 82c 75c.

can any one help i am new to this stuff do i need to change a setting in the bios or what up the Vcore any thing some help me plaese

those readings of the temps were before i started to run prime95 so ignore them
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Processor: Intel Core 2 Quad Q6600 G0 Stepping @ 3.01GHz
HDD: Maxtor STM3160215AS 160GB SATAII 7200RPM 2MB Cache - OEM
M/B: Gigabyte GA-P35C-DS3R Socket 775 8 Channel Audio ATX MotherboardeSATA 8channel Audio ATX Motherboard
Grfx: Asus 8500GT TOP Overclocked Edition 256MB DDR3 DVI VGA TVO PCI-E Graphics Card
RAM: Corsair 2GB Kit (2x1GB) DDR2 800MHz/PC2-6400 XMS2.
PSU: 650W ATX Silent PSU with 12cm fan/dual
Case:I-Cute White UL01 Mid Tower Case With Side Window and 12cm Blue LED Fan
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Old 07-15-08, 11:26 AM   #2
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need a pic with memory and spd tab open, as well you can open cpuz more then once.


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Old 07-17-08, 03:14 AM   #3

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i have overclocked mine to 3.5 and had no issues on air ran prime 95 for 8 hours and not a problem

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Old 07-17-08, 10:48 AM   #4

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even so those are some crazy high idle temps, mine is @ 3.1 right now and idles @ around 38° which is high imo load is about 58° and your core voltage is pretty high and so is your vid might just be a sour chip i have found that 1.375 is the sweetspot as far as voltage is concerned for my chip you might try to reseat your hsf and check your air flow?

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Old 07-17-08, 10:52 AM   #5

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Maybe your CPU HSF isn't mounted properly? If it is, you should consider some aftermarket cooling.

From the information currently available, I'd take a guess and say running your memory out of spec is what's making the PC fail to POST at times.

CPU: Q6600 @ 3.40 Ghz (378x9)
Mobo: Gigabyte X38-DS5
RAM: 4x1GB Corsair XMS2 DDR2-800
PSU: HEC 550watt
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Old 07-17-08, 11:36 AM   #6
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Use the following BIOS template to list all of your current settings (this template is from a GA-X38-DQ6 BIOS, but should be similar to the GA-P35C-DS3R)...
MB Intelligent Tweaker (MIT)
Robust Graphics Booster:
CPU Clock Ratio:
CPU Host Clock Control:
CPU Host Frequency(Mhz) :
PCI Express Frequency (Mhz) :
Performance Enhance :
System Memory Multiplier (SPD)
Memory Frequency(Mhz):
DRAM Timing Selectable :
Standard Timing Control
CAS Latency Time: :
DRAM RAS# Precharge :
Precharge Delay(tRAS) :
Advanced Timing Control
ACT to ACT Delay(tRRD) :
Rank Write to READ Delay :
Write To Precharge Delay :
Refresh to ACT Delay : 
Read To Precharge Delay : 
tRD :
tRD Phase Adjustment :
Command to #CS Timing: :
Clock Driving and Skew Control
CPU/PCIEX Clock Driving Control :
CPU Clock Skew Control : Normal
(G)MCH Clock Skew Control : Normal
System Voltage Control
DDR2 OverVoltage Control :
PCI-E OverVoltage Control :
FSB OverVoltage Control :
(G)MCH OverVoltage Control :
MCH Reference Voltage Control : Normal
DDR Reference Voltage Control : Normal
DDR Termination Voltage Control : Normal
CPU GTLREF1 Voltage* :
CPU GTLREF2 Voltage* :
CPU Voltage Control :
Normal CPU Vcore :

Advanced Bios Features
CPU Multi-Threading
Limit CPUID Max to 3
No-Execute Memory Protect
CPU Enhanced Halt(CIE)
CPU Thermal Monitor 2
CPU EIST Function
Virtualization Technology

Note: * Items are Hidden press [CTRL] + [F1] from the BIOS main menu to access.

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