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Thread: x48 ds4 & Q9550 (450 fsb)




  1. #1
    Join Date
    Feb 2009
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    58

    Default x48 ds4 & Q9550 (450 fsb)

    Can't get it stable 450 fsb...need help please.
    Using corsair xms2 1066 2x2gb
    fsb : ram ratio 1:1
    ram = 2.0b
    timings =auto
    pci-e overvoltage = 0.1
    fsb overvoltage= 0.2
    mch overvoltage= 0.2 (tried with 0.3 also/got gain in prime 95, 2 houes stable,then freez)
    core voltage = 1.35
    EDIT: everything in advanced settings for eist and etc is enabled ,because i like that future reducing volt and multiplier,when surfing...
    GIGABYTE X48-DS4
    Q9550 / CM Hyper 212
    Corsair xms2 PC8500 4gb
    Sapphire 5870
    x-fi platinum
    Seagate Barracuda 7200.11 1.5 TB
    Cooler Master silent pro M 700W
    HAF 922

  2. #2
    Chike is offline Senior Member
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Different board and processor, but you may want to have a look http://forums.tweaktown.com/f69/x48-...4085mhz-33974/

  3. #3
    Join Date
    Feb 2009
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    didint help :( maybe i must go with GTLref ,but i dont have any idea how it works...-6% ,-3% ..what 's up with that,is there some releation with if i go 1.3 vtt i must set GTLref to -3% or 6..or whatever there was a number...
    GIGABYTE X48-DS4
    Q9550 / CM Hyper 212
    Corsair xms2 PC8500 4gb
    Sapphire 5870
    x-fi platinum
    Seagate Barracuda 7200.11 1.5 TB
    Cooler Master silent pro M 700W
    HAF 922

  4. #4
    Chike is offline Senior Member
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    How it works explained in Understanding GTL Reference Voltage

  5. #5
    Join Date
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Can u explain gigabyte values for GTLref ? everywhere there are values like .67 and .63 ...but gugabyte uses diffrent values like -3% -6% or +3% .....
    GIGABYTE X48-DS4
    Q9550 / CM Hyper 212
    Corsair xms2 PC8500 4gb
    Sapphire 5870
    x-fi platinum
    Seagate Barracuda 7200.11 1.5 TB
    Cooler Master silent pro M 700W
    HAF 922

  6. #6
    Join Date
    Feb 2009
    Posts
    58

    Default Re: x48 ds4 & Q9550 (450 fsb)

    Should i just go highere with mch and vtt?
    GIGABYTE X48-DS4
    Q9550 / CM Hyper 212
    Corsair xms2 PC8500 4gb
    Sapphire 5870
    x-fi platinum
    Seagate Barracuda 7200.11 1.5 TB
    Cooler Master silent pro M 700W
    HAF 922

  7. #7
    Chike is offline Senior Member
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    What were your last stable OC settings?
    You can use the template in this post, pay no attention to the values in it just replace them with your own settings.

  8. #8
    Join Date
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [8]
    Fine Clock Ratio ____________[0.5]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [450]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.00 D]
    DRAM Timing Selectable_______ SPD __ [AUTOl]

    Performance Enhance = [Standard]

    CAS Latency Time________________ AUTO
    Dram RAS# to CAS# Delay_________ AUTO
    Dram RAS# Precharge Delay_______ AUTO
    Precharge Delay (tRAS)__________ AUTO

    ACT to ACT Delay (tRRD)_________ AUTO
    Rank Write to READ Delay________ AUTO
    Write to Precharge Delay_________ AUTO
    Refresh to ACT Delay______________ AUTO
    Read to Precharge Delay__________AUTO
    Static tRead Value_______________AUTO
    Static tRead Phase Adjust________ [Auto]

    CPU/PCIEX Clock Driving Control [800mV]
    CPU Clock Skew Control [normal]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.300V]
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.2V]
    (G)MCH OverVoltage Control [+0.2V] Also i tried 0.3
    CPU Voltage Control_______ [1.35]

    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [ENABLED]
    C2/C2E State Support....................: [ENABLED]
    x C4/C4E State Support..................: [ENABLED]
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [ENABLED]
    Virtualization Technology................: [Disabled] Enabled if you use Vmware/Virtual PC

    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from U
    GIGABYTE X48-DS4
    Q9550 / CM Hyper 212
    Corsair xms2 PC8500 4gb
    Sapphire 5870
    x-fi platinum
    Seagate Barracuda 7200.11 1.5 TB
    Cooler Master silent pro M 700W
    HAF 922

  9. #9
    Chike is offline Senior Member
    Join Date
    Jun 2009
    Location
    Israel
    Posts
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Try FSB OverVoltage +0.15, MCH OverVoltage +0.225, and GTLRef1 +-3%.
    Also try playing with CPU Clock Skew +50-100ps.

  10. #10
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    I suggest you start with EIST and C1E disabled for now, that way you know they are not to blame for any failures.

    Then I would set more vcore to be sure that is not the issue, then worry about GTL Ref's

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