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Thread: GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

  1. #1

    Default GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

    Is it possible to run 3 sticks of RAM on my mb?

    My RAM is now 2x1GB(GEIL GX22GB6400UDC DDR2 PC2-6400 800MHZ) but when I try to use one more stick of the same GEIL 1GB my PC doesn't boot...


  2. #2
    profJim's Avatar
    profJim is online now Chief Munchkin + moderator
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    Dec 2008
    Tacoma, WA. [USA]

    Default Re: GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

    My P35-DS3L runs great with:
    2x1GB PC2-6400 and
    2x512MB PC2-6400 (same brand)

    Running with only 3 modules might be possible, but you'll probably have to increase memory voltage and (G)MCH voltages a bit.
    I don't know if running only 3 modules leads to instability. You should check with Geil's tech support for a definite answer.
    Q9650 @ 4.10GHz [9x456MHz]
    P35-DS4 [rev: 2.0] ~ Bios: F14
    4x2GB OCZ Reaper PC2-8500 1094MHz @5-5-5-15
    MSI N460GTX Hawk Talon Attack (1GB) video card <---- SLI ---->
    Seasonic SS-660XP2 80 Plus Platinum psu (660w)
    WD Caviar Black WD6401AALS 640GB (data)
    Samsung 840 Pro 256GB SSD (boot)
    SLI @ 16/4 works when running HyperSLI
    Cooler Master 120XL Seidon push/pull AIO cpu water cooling
    Cooler Master HAF XB computer case (RC-902XB-KKN1)
    Asus VH242H 24" monitor [1920x1080]
    MSI N460GTX Hawk (1GB) video card
    Logitech Z-5500 Digital 5.1 Speakers
    win7 x64 sp1 Home Premium
    HT|Omega Claro plus+ sound card
    CyberPower CP1500PFCLCD UPS
    E6300 (R0) @ 3.504GHz [8x438MHz] ~~ P35-DS3L [rev: 1.0] ~ Bios: F9 ~~ 4x2GB Kingston HyperX T1 PC2-8500, 876MHz @4-4-4-10
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    win7 x64 sp1 Home Premium ~~ CyberPower CP1500PFCLCD U.P.S

  3. #3
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Jan 2008
    PCB Island

    Default Re: GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

    You will need to set your own ram voltage, raise MCH Voltage a bit, and raise tRFC (Refresh to act delay)

    Are you sure the new stick works? Test it by itself first to be sure >>
    Memtest86+ - Advanced Memory Diagnostic Tool

  4. #4

    Default Re: GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

    Thank you for your answers

    I tried what you told me and the pc booted but bios shows 2gb installed and after a few minutes pc crashed..

    How much should I raise tRF..?

    Thanks again

    (I guess memory stick is ok.When I placed it alone pc booted fine)

  5. #5
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    PCB Island

    Default Re: GA-EP31-DS3L(rev 1.0) - 3 sticks of RAM

    Are you trying to use 3 1GB Sticks of the same exact ram model and brand? Just checking

    If they are different please link me to each one or give both model #'s

    You do know using Three sticks will break dual channel right? That can hurt performance more than it is worth

    Can you post for me the exact settings you are trying to use and I will advise back >>

    This is Just a template I use to ask people their settings, pay no attention to the numbers in it, replace with yours

    CPU = Model #
    Motherboard = Model, Revision #
    BIOS Version =
    Ram = Brand, Model#, Part#, And or Link

    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]
    DRAM Timing Selectable_______ SPD __ [Manual]
    Performance Enhance = [Standard]
    CAS Latency Time________________ 
    Dram RAS# to CAS# Delay_________ 
    Dram RAS# Precharge Delay_______
    Precharge Delay (tRAS)__________ 
    ACT to ACT Delay (tRRD)_________ 
    Rank Write to READ Delay________ 
    Write to Precharge Delay_________ 
    Refresh to ACT Delay______________ 
    Read to Precharge Delay__________
    Static tRead Value_______________
    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___ [+0.1V] 
    (G)MCH OverVoltage Control [+0.1V] 
    CPU Voltage Control_______ [1.25]
    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

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