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Thread: x48 ds4 & Q9550 (450 fsb)




  1. #11
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    The 2.00B strap usually works better.

    GTLREF1, GTLREF2.

    Since X38-DQ6 BIOS F6 (any version), along with F7 and now the F8 series, those two options were included (only seen when pressing Ctrl + F1 in the main BIOS menu to unveil hidden options in sub-menus such as M.I.T). So far it seems that those two options have the purpose of controlling the Vdrop by augmenting the CPU voltage when under load, which in turn helps drastically decrease the actual Vdrop. And we're indeed talking about Vdrop here, not Vdroop which is quite different (a deliberate choice from Intel).

    Vdrop is a lower voltage (generally read under Windows by a monitoring software) than the one selected in the BIOS, and it is different for each type of motherboard.

    Vdroop is a specification by Intel which modifies the voltages (usually lowering it) when the CPU is under load; that voltage difference is made to protect the CPU when it goes from an "under heavy load" status to an idle status.

    The hidden features of the GA-X38-DQ6 only and directly act upon the Vdrop.


    ---------------

    Also, according to what I've read about it, the only thing that has changed with BIOS F8C and F8D with those two features is that the first one, namely CPU GTLREF1 received a new default setting and is now set to Auto with the Optimized Defaults. But from the various posts I've read from that discussion forum there were reports that it should be set to Normal instead of Auto to ensure maximum stability, and to use the Auto setting only if experiencing (after all necessary stability tests) instability issues that wouldn't fit the usual "stable" settings (in other words, if your settings should be stable but aren't, then try to set it to Auto instead, like the new default suggests).

    That is what I've found about those two hidden features. I myself am currently setting them both to Normal and everything, so far, looks absolutely stable.
    Also in an early x38 bios GTLREF1 was -3%.

    Looking through the Clunk x38 blog and x48T living review: The C2D range used
    +3%/Normal
    Normal/Normal
    -3%/Normal
    -3%/-3%
    -6%/-3%
    -6%/-6%

    Beyond Normal/Normal used after low 450's fsb

    CPU/PCIEX Clock Driving Control :
    This setting controls the PLL output to the CPU & NB. I found, like others, that 1000mv was good for the quad.
    If anything is incorrect, please post alt info?





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  2. #12
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Well ,i tried with 2.0b and 2.0d also,same result. However ,i'm almost 8 hours Prime 95 stable with ,clock skew 50 ps and GTLREF1 +3%. But to put a note ,first i tried only with clock skew 50ps ,failed,but to put a side note,i wasnt able before to boot in to windows,so clock skew helped with that issue ,cause after a while with my settings a was strugling with that issues too. Still testing ,i want to be sure 24 Prime stable.

    EDIT: However ,i noticed ,what should a call ,like side effect in the test report ,like 2 cores (table 1 and 2) are behind in the test compare to core 3 and 4,for example core 1 and 2 are on Test 2 and core 3 and 4 are on Test 5 or 6 ,is that normal ? Should they fluctuate like this?
    Last edited by prichina; 10-13-2009 at 05:05 PM.
    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

  3. #13
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Yes, that is normal fluctuation as the cores work on different things at different times. Nothing to worry about at all

  4. #14
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    19 hours stable with Prime 95 and 3 hours stable with OCCT ,thank you guys ,thank you Chike.
    EDIT: Also i'm not using 1.0 for pcie overvoltage,it is set on normal.
    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

  5. #15
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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  6. #16
    Chike is offline Senior Member
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Cheers
    Could you post your full setting for future generations?

  7. #17
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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 [50ps]
    GMCH Clock Skew Control [Normal]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.30V] also it's okay with less volts
    PCI-E OverVoltage Control_ [normal]
    GTLREF 1________________[+3%] also works with -3% -dont know the difference ,the only difference i see is -3% generate more heat or not,not sure at all.
    GLTREF 2________________[normal]
    FSB OverVoltage Control___ [+0.15V]
    (G)MCH OverVoltage Control [+0.225V] 0.175 works too.
    CPU Voltage Control_______ [1.27500]

    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
    Last edited by prichina; 10-16-2009 at 05:47 PM.
    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

  8. #18
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    Default Re: x48 ds4 & Q9550 (450 fsb)

    Unusual. That implies it would work on Normal as well. The difference between +3 and normal and -3 and the rest is that one setting would survive stress testing longer than the others, or one would survive while the others would fail with error/s.
    Last edited by Salty; 10-15-2009 at 06:59 AM.





    CPU
    =
    i7 950 - DO stepping - Batch #3014A844
    Cooling = EK HF Full Nickel
    - XSPC RX360 - Laing DDC 18W - XSPC Bay Reservoir
    Motherboard = GA-X58A-UD3R Revision 2
    , BIOS Version = Award FC
    Ram = 3x2gig Corsair TR3X6G1600C8D G
    Video = 2 X Palit GTX460 Sonic Platinum 1GB OC sli
    Monitor = 22" LG Flatron W2242T 1680 x 1050 Case = Coolermaster CM690
    PSU = Corsair HX850
    OS = Windows 7 Professional x64


  9. #19
    Join Date
    Feb 2009
    Posts
    58

    Default Re: x48 ds4 & Q9550 (450 fsb)

    Yeah strange ,ive come a cross very strange things :)
    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

  10. #20
    Join Date
    Feb 2009
    Posts
    58

    Default Re: x48 ds4 & Q9550 (450 fsb)

    I have this question that is bugging me all the time ,how far is it safe for mch volt on this board?
    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

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