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Thread: several problems with a new EP43-DS3




  1. #1
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    Default several problems with a new EP43-DS3

    Hi.

    I just bought a few days ago a new computer:
    Intel Q9550
    GA-EP43-DS3
    G.Skill 2X2GB
    Cube 9500GT 512MB silent
    Leadtek PVR200
    Seagate 500GB 32Mb cache.
    NZXT HUSH with SeaSonic 500W

    I have two main problems with it:
    1. When my external Western Digital My Book Essential Edition is pluged in (USB) and I restart my computer, it can't load, and the computer keeps restarting itself until i unplug it (when a common SanDisk flash is connected, the problem doesn't occure).

    and the main problem:
    2. I installed Windows XP SP3, updated all drivers, but almost everytime i reboot my computer, the Windows startup screen get stuck, and only by hard reboot again, Windows starts correclty (choosing "load windows normally" in the menu I get). sometimes i have to hard reboot the computer twice or three times until windows starts correctly.
    When installed Mandriva 2009 i didn't get any similar probelm (tough when using the live CD it couldn't shutdown).

    I think the BIOS version on my board is F4 (never changed it from purchase).

    I would be very gratefull for anyone's help.

  2. #2
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: several problems with a new EP43-DS3

    Legacy USB Enabled? If so disable it

    Update your BIOS, and DO NOT USE @BIOS. Here is a Qflash guide >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Then please use only one stick of ram until you get installed, then you can get your ram setup. Auto for your ram and voltages is the issue there. 2x2GB needs some adjustments (MCH 1.2-1.3V, trfc 52-62, and Performance Enhance on Standard is a good starting point)

  3. #3
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    Default Re: several problems with a new EP43-DS3

    Quote Originally Posted by Lsdmeasap View Post
    Legacy USB Enabled? If so disable it

    Update your BIOS, and DO NOT USE @BIOS. Here is a Qflash guide >>>
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Then please use only one stick of ram until you get installed, then you can get your ram setup. Auto for your ram and voltages is the issue there. 2x2GB needs some adjustments (MCH 1.2-1.3V, trfc 52-62, and Performance Enhance on Standard is a good starting point)

    Where do I check and disable Legacy USB ? in the BIOS menu ?
    In the guide you mentionened, it says i should enable the lecacy USB for updating the BIOS from USB (i don't have any floppy drive, is there a possiblity to create a bootable CD for updating the BIOS?)
    you say while updating my BIOS i sould be using a single ram stick?
    which adjustment should i do for 2x2GB ?

  4. #4
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: several problems with a new EP43-DS3

    Sorry, yeah it is in the Integrated Peripherals page of the BIOS.

    No you have to use a floppy or USB, well... Ya, you can use any boot ccd that will run DOS, and then use the flash895 or flashspi files to flash from DOS with

    I say use one stick of ram because you are having issues, and with 2 sticks you dont want a error while you flash or you will be RMA'n your board as you should ONLY flash when for sure stable

    I posted the Main issues with 2x2 in the above adjustments. Once you get going I can help you with full timings if you like. But you need to get stock stable first and that BIOS updated >>>
    GIGABYTE - Support - Motherboard - BIOS - GA-EP43-DS3 (rev. 1.0)

  5. #5
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    Default Re: several problems with a new EP43-DS3

    in order to update from USB drive, i don't have to maek the USB bootable, isn't it? from the BIOS menu i just read the file from the USB drive, right?

  6. #6
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    Post Re: several problems with a new EP43-DS3

    Okay.
    I updated my BIOS to F9 and i am still using a single memory stick (only 2GB of RAM).
    What should I do next?
    (Windows started in it's first shot, is it the BIOS update or the single stick issue ?)

  7. #7
    Lsdmeasap's Avatar
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    Default Re: several problems with a new EP43-DS3

    Na! You just need to put the bios.fxx file onto the USB and go into Qflash and flash with it.

  8. #8
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    Default Re: several problems with a new EP43-DS3

    For 2x2 you need to set the above things I mentioned for sure. So make those changes with one stick in and then shut down and put in the second stick. And be sure you manually also set your ram voltage to the spec you see on your ram sticker

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    Post Re: several problems with a new EP43-DS3

    As I said - BIOS update done (F9).
    Still a single RAM stick is connected.
    (windows loaded in its first shot)

    BTW: thanks for your help.

    What should I do next?

  10. #10
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    Default Re: several problems with a new EP43-DS3

    here's the default values:

    DRAM performance control:
    Performance Enhance: Turbo
    Extereme memory profile (X.M.P): Auto
    (G)MCH Frequenct Latch: Auto
    System Memory Multiplier (SPD): Auto
    Memory Frequency (MHz) 800 800
    DRAM Timing Selectable (SPD): Auto

    x CAS Latency Time 4 Auto
    x tRCD 4 Auto
    x tRP 4 Auto
    x tRAS 12 Auto


    Voltage control:

    MCH core: 1.1V (auto)
    MCH reference: 0.76V (auto)
    MCH/DRAM Reference: 0.9V (auto)
    ICH I/O: 1.5V (auto)


    DRAM voltage: 1.8V (auto)
    DRAM Termination: 0.9V (auto)
    Channel A reference: 0.9V (auto)
    Channel B reference: 0.9V (auto)



    so when you mentioned MCH, which one you ment?
    I couldn't find any trfc that you mentioned.

    The memory sticker says 2.1V, does that mean that i should set the DRAM voltage to 2.1V and the the other values the half of it? (1.05V)

    Thanks for your help, again.

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