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Thread: Q6660 OC issues

  1. #1
    Registered markgiles's Avatar
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    Jun 2008

    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
    Attached Images Attached Images  
    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

  2. #2
    Senior Forum Spammer

    Evilsizer's Avatar
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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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  3. #3
    Registered Renoracer's Avatar
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    May 2008


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

  4. #4
    Join Date
    Jun 2008
    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?
    AsRock Z77 Extreme 4*3750K*XFX 7850*8 GB DDR3 1600*600W Corsair PSU

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  5. #5
    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

  6. #6
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    redduc900's Avatar
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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# to CAS# :
    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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