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Thread: Ga-p31-ds3l & 4gb ram

  1. #1
    Join Date
    Jun 2009

    Default Ga-p31-ds3l & 4gb ram

    Hey everyone, I know that there's a thread about this issue - but I think a new thread is in order because my specs are different, either way a mod can merge this with the other topic if he pleases, I just want an answer :)

    So here it goes, my specs are:
    CPU: Intel Core 2 Duo E8400
    Motherboard: GA-P31-DS3L
    Memory: Corsair XMS2 PC-6400 (4x1GB) PDF
    GPU: NVIDIA GeForce 9600GT 512MB
    OS: Vista 32bit

    I think that's all there is to know, if there's something more specific please let me know.

    First of all, all 4 sticks are working properly.
    It works fine with 2x1GB but it doesn't POST with 4x1GB, the PC looks like it's stuck in a loop.

    I have tried setting voltages manually and all that jazz but I still can't make it to POST.

    I'd appreciate any reply, thanks.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
    Join Date
    Jan 2008
    PCB Island

    Default Re: Ga-p31-ds3l & 4gb ram

    These settings should work for you. What BIOS are you using?

    You may need to press the hotkey to see all settings. On the MAIN Page of the BIOS press Control + F1, then the screen will flash. Then go into MIT Section to see all settings.

    Bold Blue Items are most important, others you may or may not set at first

    Robust Graphics Booster___________ [Auto or Fast]
    CPU Clock Ratio ____________ [9] 
    Fine Clock Ratio ____________[0.0]
    CPU Host Clock Control_ [Enabled]
    CPU Host Frequency (MHz)__________ [333] 
    PCI Express Frequency (Mhz)_______ [100]
    C.I.A. 2__________________________ [Disabled]
    System Memory Multiplier (SPD)____ [2.40B]
    DRAM Timing Selectable_______ SPD __ [Manual]
    Performance Enhance = [Standard]
    CAS Latency Time________________ 5
    Dram RAS# to CAS# Delay_________ 5
    Dram RAS# Precharge Delay_______ 5
    Precharge Delay (tRAS)__________ 18
    ACT to ACT Delay (tRRD)_________ 3-4
    Rank Write to READ Delay________ 3-6
    Write to Precharge Delay_________ 4-6
    Refresh to ACT Delay______________ 52-62
    Read to Precharge Delay__________ 3-5
    Static tRead Value_______________ 6-10 (Set 8-9 for now)
    Static tRead Phase Adjust________ [Auto]
    System Voltage Control____ [Manual]
    DDR2 OverVoltage Control__ [+0.1-0.15/0.2V] 
    PCI-E OverVoltage Control_ [+0.1V] << For stability if you like, not needed so much though as FSB
    FSB OverVoltage Control___ [+0.1V] << For stability
    (G)MCH OverVoltage Control [+0.1V] <<< Set +0.2-0.3V
    CPU Voltage Control_______ [1.25] << Auto or what you know works
    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] Enabled if you use Vmware/Virtual PC
    Integrated Peripherals
    Legacy USB Storage Detect___________________[Disabled] *Note* Must be enabled to flash from USB

  3. #3
    Join Date
    Jun 2009

    Default Re: Ga-p31-ds3l & 4gb ram

    Thanks mate, I'll try it in a few and come back with the results :)
    I'm using BIOS version F10A, to be honest I've no idea how because I didn't manually update the BIOS before, must be pre-installed on my board, I don't know! :)

    There's just one question, in what increments do I change "Refresh to ACT Delay", well - didn't word it out the way I wanted to, but you should understand what I'm trying to say.
    Thanks again.

    I've just given it a go and it didn't work :(
    I've set it to the lowest possible setting you provided (like 3 when you write 3-4) except for Static tRead Value which was 9.
    Testing all the possilibites would take ages :(

    And one more thing, I have this additional setting called "CPU GTLREF Voltage Ratio" and it's default value is 0.636, is it worth changing ?
    Last edited by yellowbiz; 06-25-2009 at 05:39 AM. Reason: new info

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