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Thread: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide




  1. #141
    Lsdmeasap's Avatar
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    I'd suggest you set your ram up at 800Mhz for now since you have 8GB, it will be much easier for you and not cause you so many issues with your overclock

    Gigabyte rocks man!! Ya that surprised me as well to hear, they just can't handle all the support questions they would get otherwise ya know.

    But ya they do sponsor world overclock championships and other overclock events, they just can't offer support of suggestions about it all through normal public channels like that is all.

  2. #142

    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Quote Originally Posted by Lsdmeasap View Post
    I'd suggest you set your ram up at 800Mhz for now since you have 8GB, it will be much easier for you and not cause you so many issues with your overclock

    Gigabyte rocks man!! Ya that surprised me as well to hear, they just can't handle all the support questions they would get otherwise ya know.

    But ya they do sponsor world overclock championships and other overclock events, they just can't offer support of suggestions about it all through normal public channels like that is all.
    I'll change the ram speed back down to 800mhz tonight and make sure to start a new thread on this so I can post my system info and results of any changes I make.
    Thxxx for the tip on the memory.....makes sense.

    ~+

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    Just RELAX...and take life one game at a time...
    C2Q9550 @ 2.83Mhz // Gigabyte X48-DS4 // HIS 4890 @ 925/1050 // 4 x 2GB G.Skill DDR2 1066 PC-2 8500 5-5-5-15 @ 2.1v // ABS Tagan BZ900w Modular PSU // Zalman CNPS9700 // (2) WD Caviar SE16 640GB 7200 16mb cache // LITE-ON 20x DVD // NZXT Apollo w/ (3) Antec 120mm case fans // Thermaltake 80mm Duel PCi Slot fan // X-Fi Titanium Fatal1ty Pro // Vista Ultimate x64 Sp-2 // BIOS version F2 // LG 2353v 2ms HDMI full HD 1080p w/50,000 : 1 // Logitech Z-5300 5.1 surround sound // Saitek Eclipse // Razor Diamondback Plasma

  3. #143
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Anytime man!

    I will check your thread now, I think I may have already been helping you in it though and just missed your post here until now.

  4. #144

    Thumbs up Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Quote Originally Posted by Lsdmeasap View Post
    Anytime man!

    I will check your thread now, I think I may have already been helping you in it though and just missed your post here until now.
    Thanks for touching base here...I see you did catch up with me in the other thread I posted...I'm moving slowly, but moving forward with your help....

    *+

    Just RELAX...and take life one game at a time...
    C2Q9550 @ 2.83Mhz // Gigabyte X48-DS4 // HIS 4890 @ 925/1050 // 4 x 2GB G.Skill DDR2 1066 PC-2 8500 5-5-5-15 @ 2.1v // ABS Tagan BZ900w Modular PSU // Zalman CNPS9700 // (2) WD Caviar SE16 640GB 7200 16mb cache // LITE-ON 20x DVD // NZXT Apollo w/ (3) Antec 120mm case fans // Thermaltake 80mm Duel PCi Slot fan // X-Fi Titanium Fatal1ty Pro // Vista Ultimate x64 Sp-2 // BIOS version F2 // LG 2353v 2ms HDMI full HD 1080p w/50,000 : 1 // Logitech Z-5300 5.1 surround sound // Saitek Eclipse // Razor Diamondback Plasma

  5. #145
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Yeap, sorry for missing your post here for a few days. I sometimes miss these due to being sticky threads and often I overlook them while trying to get all the other new posts replied to in the time I have to be in each night.

    Hope we can make some progress for you in your other post.

  6. #146
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    In my X48-DQ6 bios, if I press Control-F1 in main screen, two extra values show up in the tweaker, between (G)MCH Overvoltage Control and Loadline Calibration.

    CPU GTLREF1 Voltage Ratio [Auto]
    CPU GTLREF2 Voltage Ratio [Normal]

    They don't seem to have rated a mention yet, but what are they useful for?

    CPU = Intel E8500 45nm Dual core
    Motherboard = GA-X48-DQ6 Revision C1
    BIOS Version = BIOS: Award F7 07/17/2008
    Ram = 2x2gig Corsair Dominator 8500C5DF-G
    Robust Graphics Booster___________ [Auto]
    CPU Clock Ratio ____________ [9]
    Fine CPU Clock Ratio [+0.5]
    Cpu frequency 3.8 GHz 400x9.5
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [400]
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2____________________[Disabled]

    Performance Enhance = [Standard]
    System Memory Multiplier (SPD)____ [2.66D]
    Memory frequency 800 1066
    DRAM Timing Selectable_______ SPD __ [Manual]

    CAS Latency Time (tCL)________________ 5
    Dram RAS# to CAS# Delay (tRCD)_________5
    Dram RAS# Precharge Delay (tRP) _______5
    Precharge Delay (tRAS)_______________ 15

    ACT to ACT Delay (tRRD)_______________ 3
    Rank Write to READ Delay (tWTR)_______ 4 (+8 memset)
    Write to Precharge Delay (tWR)_______ 6 (+8 memset)
    Refresh to ACT Delay (tRFC)__________ 55
    Read to Precharge Delay (tRTP)________ 3 (+2 memset)
    Static tRead Value (tRD)______________ 6
    Static tRead Phase Adjust________ AUTO
    Command rate (CMD) _______ 2T

    Cpu/pciex clock driving control ____800mV
    Cpu clock skew control _____ NORMAL
    Gmch clock skew control _____ [150ps]

    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.3] = 2.1V
    PCI-E OverVoltage Control_ [+0.1V]
    FSB OverVoltage Control___ [+0.1V]
    (G)MCH OverVoltage Control [+0.2V]
    CPU GTLREF1 Voltage Ratio [Auto]
    CPU GTLREF2 Voltage Ratio [Normal]
    Loadline calibration ____[Auto]
    CPU Voltage Control_______ [1.300]
    Cpu normal vcore 1.2500V

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

    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled]
    Since I last played with these I fitted a Thermalright Extreme 120 cpu cooler. The downside of this was a reduction of airflow around the NB, which apparently normally gets outflow from the stock cpu cooler, but not from a tower cooler like the 120. CPU temps were fine, but system temp would rise alarmingly with FarCry2. My solution was a 120mm fan on the case cover pointing flow at the NB area. So far keeping it around 40C rather than 68C.
    Last edited by Salty; 09-06-2009 at 08:01 PM.

  7. #147
    Lsdmeasap's Avatar
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    GTL Ref is very tough to mess with, I linked some guides/info about them here >>

    http://forums.tweaktown.com/f69/ga-x...tml#post315497

    It is useful to stabilize high overclocks

  8. #148
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Phwoooowaaaahr! A little bit of light reading! So when on the edge of a rig's overclocking ability, altering those GTLREF settings may (or may not) help, but not before.
    The table is for DFI P35. I assume values would not be the same for other mobos.

    Do I need to go back and read those articles again?
    Last edited by Salty; 08-28-2009 at 05:33 PM.





    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. #149
    Lsdmeasap's Avatar
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Yes those voltages do not apply to X48, just the general info and reading applies to all boards. You just need to grab the X48 chipset documents and your CPU's documents and read it on the voltages and you should have a good starting point.

    Ya, that is a LOT of info, but a good read for anyone who wants to know MORE

  10. #150
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    Default Re: Gigabyte X38/P35/P965 (DS* DQ* S3) Overclocking and General BIOS tweaking Guide

    Hi folks, I have weird vDDR behavior on P35-DS3L mobo. BIOS vDDR setting and reading are too much off. Discrepancy is above to 200mV:

    Code:
    vDDR in BIOS
    Settings       Readings (idle)
    Normal          1.84 V
    +0.1            1.84 V (same as normal)
    +0.2            1.904 V
    +0.3            1.968 V
    +0.4            2.02  2.06 V
    +0.5            2.08  2.12 V
    It doesn't look like a vCORE drooping range of 30-60mV which is common for this board and designed for a reason. The vCORE readings normally consistently track the settings. In my case the vDDR readings don't follow the settings whatsoever as shown in the table. And the difference is in a order of magnitude higher.

    My 800 DDR2 requires 2.1V in EPP mode. Normal vDDR voltage on the board is 1.8V. "+0.4V" vDDR setting gives barely 2.05V readings when idling (supposed to be 2.2V as set) and 1.96V under load.

    The RAM worked perfectly @ 819MHz, 4-4-4-12 for ~2 years with vDDR setting +0.4V. After upgrading CPU I am trying to run RAM at 1:1 ratio, 920 MHz, 5-4-4-15 stably so far. MemTest shows no errors up to DDR 960MHz. But CPU OC test produces errors at DDR 930MHz disappearing after applying vDDR +0.5V. [I doubt that Memtest is capable to exercise RAM "at-speed"... So, I am not surprised]
    Well, yes, I shifted vDDR settings to"+0.5V". BIOS readings show vDDR 2.08-2.11V in idle.

    My questions are:
    1) Do you observe similar vDDR setting/readings discrepancy? How do you deal with it?
    2) What voltage settings would you apply under such circumstances? Did you follow your BIOS readings?

    Thanks
    Last edited by AlexT7; 10-05-2009 at 10:49 AM.
    GA-P35-DS3L, BIOS F9
    2x1gb TWIN2X2048-6400C4 rev 2.1
    Intel E8400 E0, Antec TP3 430W
    XP32 SP3

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