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Thread: GA-EP45-UD3R & Memory Timings




  1. #1
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    Default GA-EP45-UD3R & Memory Timings

    Hi,

    I recently bought the following components to put togther a new PC. My first time putting a PC together. I am very fuzzy on the memory timings and not sure if I have them set in the BIOS properly. I am interested in knowing what the correct memory timing settings are for the following system:

    * GIGABYTE GA-EP45-UD3R LGA 775 Intel P45 ATX Intel Motherboard - Retail
    * Intel Core 2 Quad Q6600 Kentsfield 2.4GHz LGA 775 Quad-Core Processor Model BX80562Q6600 - Retail
    * OCZ SLI-Ready Edition 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model OCZ2N800SR4GK - Retail

    The motherboard sets the voltage of DRAM to 1.8v while the memory I bought is rated for 2.1v. Also, I notice that the standard timing for my memory is 5-4-4-15. However, the motherboard has advanced timing controls... and I don't know where to find them or how to set them to optimum values. I am not looking to overclock... just want to set the optimum values for stable functionality.

    What should the BIOS settings look like for DRAM Performance Control, Standard Timing Control, Advanced Timing Control, Channel A, and Channel B, MCH Core Voltage, and DRAM Voltage?

    Your help is much appreciated.<!-- / message --><!-- edit note -->

  2. #2

    Default Re: GA-EP45-UD3R & Memory Timings

    For the most part if its currently stable that is a good start.

    Then you can leave most of the settings on Auto. The only ones you really want to change are Dram performance to "Turbo" if it is stable, or you can set it to "Standard" and manually try to adjust the "Static tRead" AKA PL(Performance Level).

    On the Dram Voltage, you can try lower voltage, which will keep your memory cooler, like My OCZ 2x2GB is rated for 2.1v but runs fine at 2.06v.

    You may also even for stock speeds want to raise the MCH core a little higher. If its stable on the stock 1.1v then thats fine, otherwise try 1.24-1.28v or as low as you can get it to be stable.

    Just set the normal memory timings(the ones on the main "MIT" page manually to what your ram calls for, so CAS 5, 4-4-15.

    Basically if you dont want to OC or mess around, then leave it how it is now, just run OCCT or Prime 95 for 4-8hrs to make sure that those settings are stable.

    Code:
    MB Intelligent Tweaker(M.I.T.)
    Robust Graphics Booster ...............: Auto
    CPU Clock Ratio ..........................: 9
    Fine CPU Clock Ratio.....................:.0
    CPU Frequency ...........................: 2.40GHz (266*9)
    
    
    Clock Chip Control
    Standard Clock Control
    CPU Host Clock Control..................: [Enabled]
    CPU Host Frequency (Mhz) ............: 266
    PCI Express Frequency (Mhz) .........: 100 or 101
    
    C.I.A.2 .................................:[Disabled]
    
    
    Advanced Clock Control [Press Enter]
    CPU Clock Drive...........................: 800
    PCI Express Clock Drive.................: 900
    CPU Clock Skew (ps)....................: 0
    MCH Clock Skew (ps)...................: 0
    
    
    DRAM Performance Control
    Performance Enhance...................: [STANDARD]
    Extreme Memory Profile (X.M.P.).....: Disabled
    (G)MCH Frequency Latch...............: Auto
    System Memory Multiplier ..............: Auto
    Memory Frequency (Mhz) ..............: 800 800
    DRAM Timing Selectable ................: [Manual]
    
    Standard Timing Control
    CAS Latency Time........................ 5
    tRCD ......................................... 4
    tRP'........................................... 4
    tRAS.......................................... 15
    
    Advanced Timing Control
    tRRD...........................................  [Auto]
    tWTR..........................................  [Auto]
    tWR............................................  [Auto]
    tRFC...........................................  [Auto]
    tRTP...........................................  [Auto]
    Command Rate (CMD) ....................: [Auto] Should be 2 for "2T"
    
    Driving Strength Profiles
    Driving Strength ............................
    
    Channel A
    Static tRead Value.........................: [Auto] Try to go for 9 for now, then 8 or 7 if we get this figured out
     tRD Phase0 Adjustment...................:  [Auto]
    tRD Phase1 Adjustment...................: [Auto]
     tRD Phase2 Adjustment .................:  [Auto]
     tRD Phase3 Adjustment..................:  [Auto]
    Trd2rd(Different Rank)....................:  [Auto]
    Twr2wr(Different Rank)...................:  [Auto]
    Twr2rd(Different Rank)...................:  [Auto]
    Trd2wr(Same/Diff Rank)..................:  [Auto]
    Dimm1 Clock Skew Control...............: [Auto]
    Dimm2 Clock Skew Control...............: [Auto]
    
    Channel B
    Static tRead Value.........................:  [Auto] same as other channel
     tRD Phase0 Adjustment...................:  [Auto]
     tRD Phase1 Adjustment...................:  [Auto]
     tRD Phase2 Adjustment .................: [Auto]
     tRD Phase3 Adjustment..................:  [Auto]
    Trd2rd(Different Rank)....................:  [Auto]
    Twr2wr(Different Rank)...................:  [Auto]
    Twr2rd(Different Rank)...................:  [Auto]
    Trd2wr(Same/Diff Rank)..................:  [Auto]
    Dimm1 Clock Skew Control...............: [Auto]
    Dimm2 Clock Skew Control...............: [Auto]
    
    Motherboard Voltage Control
    Voltage Type.………... Manual
    CPU
    CPU Vcore….……….........................: Auto or "Normal" which is stock
    CPU Termination…..... 1.200V*.......: Auto
    CPU PLL…………………....1.500V*.......: Auto
    CPU Referen.…………....0.755V*.......: Auto [Auto]
    MCH/ICH
    MCH Core…………….....1.100V...........: For now leave on 1.24v
    MCH Reference….…….0.800V...........: [Auto] My board seems picky about this, so if you try lower, like .70v see if that helps
    MCH/DRAM Ref.…......0.900V...........: [Auto]
    ICH I/O……………….....1.500V............: Auto
    ICH Core…………...……1.100V............: Auto
    
    DRAM
    DRAM Voltage ……....1.800V............: Set to 2.1V and make sure its stable, then you can try lower like 2.06v
    DRAM Termination .…0.900V............: [Auto]
    Channel A Reference 0.900V............: [Auto]
    Channel B Reference 0.900V............: [Auto]
    
    Advanced Settings
    Limit CPUID Max. to 3.....................: [Disabled]
    No-Execute Memory Protect............: [Enabled]
    CPU Enhanced Halt (C1E)................: [Disabled]
    C2/C2E State Support....................: 
    x C4/C4E State Support..................: 
    CPU Thermal Monitor 2(TM2) ...........: [Enabled]
    CPU EIST Function.........................: [Disabled]
    Virtualization Technology................: [Disabled]
    
    Integrated Peripherals
    Legacy USB Storage Detect .............. [Enabled]
    Last edited by SpeedEuphoria; 12-30-2008 at 11:00 AM.

  3. #3
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    Default Re: GA-EP45-UD3R & Memory Timings

    Thank you very much, SpeedEuphoria.

    I ran memtest86+ last night with minor tweaks in the BIOS for 7+ hours and there was no error reported. The only things I changed was the voltage from 1.8v to 2.0v, System Memory Multiplier to 3.0A, and tRFC to 54.

    Since there were no errors after 7+ hours of testing, I think I should just leave the settings alone now. Is OCCT or Prime 95 better than memtest86+? If so, can you post the link where I can download these?

    Thanks!

  4. #4
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    Default Re: GA-EP45-UD3R & Memory Timings

    Quote Originally Posted by tgdsilva View Post
    Thank you very much, SpeedEuphoria.

    Since there were no errors after 7+ hours of testing, I think I should just leave the settings alone now. Is OCCT or Prime 95 better than memtest86+? If so, can you post the link where I can download these?

    Thanks!
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    Default Re: GA-EP45-UD3R & Memory Timings

    Thank you very much!

  6. #6
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    Default Re: GA-EP45-UD3R & Memory Timings

    So you all good now then? Hope so, if you need more help feel free to post back anytime

  7. #7
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    Default Re: GA-EP45-UD3R & Memory Timings

    Yes, my system is working good as far as memory is concerned. Since I didn't get any errors with memtest86+ after running for almost 8 hours, I decided to leave it alone. It has been very stable so far.

    Thank you for all the advice.

  8. #8
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    Default Re: GA-EP45-UD3R & Memory Timings

    Yeap, that is a good long test!

    Sounds Like you got it all going smoothly, enjoy your system!

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