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Thread: Problems with GA-EP45-UD3P rev 1.6




  1. #1
    Join Date
    Aug 2009
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    Default Problems with GA-EP45-UD3P rev 1.6

    I received all of my computer parts yesterday (2009-08-12) and proceeded to put it together last night.

    Here is a list of the components:
    • Case:
      • Antec Nine Hundred Black Steel ATX Mid Tower Computer Case

    • MOTHERBOARD:
      • GIGABYTE GA-EP45-UD3P LGA 775 Intel P45 ATX Intel Motherboard

    • CPU:
      • Intel Core 2 Quad Q9550 Yorkfield 2.83GHz 12MB L2 Cache LGA 775 95W Quad-Core Processor

    • PSU:
      • XCLIO GREATPOWER X14S8P4 850W ATX12V / EPS12V SLI Ready 80 PLUS Certified Modular Active PFC Power Supply

    • VIDEO:
      • EVGA 512-P3-N871-AR GeForce 9800 GTX+ 512MB 256-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported Video Card

    • MEMORY:
      • G.SKILL 4GB (2 x 2GB) 240-Pin DDR2 SDRAM DDR2 1200 (PC2 9600) Dual Channel Kit Desktop Memory Model F2-9600CL5D-4GBPI


    Originally I hooked everything up in the case. Once installed and double checked to make sure all the power and connections were connected I powered it on. When powered on the fans/lights in the case turned on and the video card fan started up. The CPU fan didn't start up instantly but eventually started as well. It seemed like everything was turning on correctly, however there was no video. In addition to no video about 5-10seconds after turning it on it powered itself down. Everything turned off but a few seconds later it powered back up again and would continue to do so until I pulled the power from it.

    My first thought was maybe something is shorting it. So I unhooked everything and pulled the motherboard out of the case and set it on some cardboard. Connected the PSU, 1 stick of memory in DIMM Slot 1, the video card and the connectors to the case. Fired it up again and the same thing happened, powered on for about 5-10 seconds and shut down.

    Next I removed the case connections completely and tried powering it on that way. Again I got no video and the 5-10 seconds of power before it shuts itself down.

    Next I removed the video card as well and fired it up. Again it only stayed on for 5-10 seconds before powering down.

    Before I go out to purchase more parts to swap them out. Does anyone have any suggestions on anything that I may have missed that could help me fix this.

  2. #2
    Join Date
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Did you try clearing cmos?
    You may clear the CMOS values by removing the battery:
    1. Turn off your computer and unplug the power cord.
    2. Gently remove the battery from the battery holder and wait for one minute. (Or use a metal object like a screwdriver to touch the positive and negative terminals of the battery holder, making them short for 5 seconds.)
    3. Replace the battery.
    4. Plug in the power cord and restart your computer.
    • Always turn off your computer and unplug the power cord before replacing the battery.
    • Replace the battery with an equivalent one. Danger of explosion if the battery is replaced with an incorrect model.
    • Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain about the battery model.
    • When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery (the positive side should face up).
    • Used batteries must be handled in accordance with local environmental regulations
    Last edited by artdrivers; 08-13-2009 at 11:02 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
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  3. #3
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    I'll try resetting the CMOS either at lunch today or when I get home from work.

    Outside of resetting the CMOS are there any other suggestions you or anyone else might have?

  4. #4
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Please be sure to check all of your connectors. Use the white wire from the case for the negative side. The speaker negative as black.

    By artdrivers at 2009-08-13
    If still no boot remove and inspect the pins on your cpu. Be sure it seats properly.
    Last edited by artdrivers; 08-13-2009 at 11:51 PM.
    http://forums.tweaktown.com/gigabyte...ench-test.html
    http://www.gigabyte-usa.com/FileList...ios_qflash.pdf
    Phenom II 945 @ 3.2Ghz w/Thermaltake Big Typhoon Pro 14 CPU Cooler
    Gigabyte GA-MA78GM-S2H rev.1.1 F11
    Sapphire 3870HD / 100225L / 512MB / ddr4
    4GB / Kingston / KHX8500D2K2/2GN / 5-5-5-18 / 1066Mhz
    (2) WD Caviar / WD2500AAKS/ 250GB in SATA RAID-0
    (1) WD Caviar / WD2500AAKS/ 250GB in SATA AHCI
    (2) IDE's 1 8XdualDVDRW 1 52x32x52x CDRW
    Antec /Neo HE550 / 550W
    Mid size ATX case with show through panel
    2) 80x80 front fans (1) 120x120 rear fan and small nb fan
    Microsoft comfort curve USB keyboard 2000 ver.1.0
    Logitech G500 USB mouse
    Monitor: CMV937A
    7.1+2 Channel High Definition ALC889A
    Dual boot Windows 7 32bit home & Windows 7 64bit home


  5. #5
    Chike is offline Senior Member
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    When the computer go into reboot loop let it try 5-7 times before you shut it off, wait 20-30 seconds and try again.
    Try minimal boot, with only CPU, 1 memory module, video card, and pereferably a PS2 keyboard, after clearing the BIOS as suggested by artdrivers. If still no boot, try the other memory module, then try other slots.
    If you manage to boot, go into BIOS(press the del key) load optimized defaults, save and reboot. If the computer start at first attempt shut it down and try installing the second memory module.

  6. #6
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Quote Originally Posted by Chike
    When the computer go into reboot loop let it try 5-7 times before you shut it off, wait 20-30 seconds and try again.
    Try minimal boot, with only CPU, 1 memory module, video card, and pereferably a PS2 keyboard, after clearing the BIOS as suggested by artdrivers. If still no boot, try the other memory module, then try other slots.
    If you manage to boot, go into BIOS(press the del key) load optimized defaults, save and reboot. If the computer start at first attempt shut it down and try installing the second memory module.
    Would USB keyboard with a usb to ps2 converter work as well?

  7. #7
    Chike is offline Senior Member
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Quote Originally Posted by MichaelW View Post
    Would USB keyboard with a usb to ps2 converter work as well?
    I have no idea, would do no harm to try.

  8. #8
    Acebmxer's Avatar
    Acebmxer is offline Gigabyte Elite
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Quote Originally Posted by MichaelW View Post
    Would USB keyboard with a usb to ps2 converter work as well?
    reading post of people with x58 problem with usb kb not working to enter bios after update say that works for them but perfer to us a ps/2 kb
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  9. #9
    Lsdmeasap's Avatar
    Lsdmeasap is offline GIGABYTE Guru
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    Are you sure you don't have bent pins inside your CPU Socket? Just checking.

    8 Pin ATX 12V and 24 Pin ATX Connected to the board correct? Just checking

    Ya I would clear the CMOS first before anymore testing, Here in my Qflash guide is how I suggest you do that
    http://forums.tweaktown.com/f69/bios...h-guide-27576/

    Aside from that, do you have any other DDR2 to test with? Just in case this kit is not compatible? If not, try to find some el cheapo sticks or borrow one from a friend for testing

    What cooler are you using? Some have been known to short the boards out, so if you are not sure give the stock Intel cooler a try

  10. #10
    Join Date
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    Default Re: Problems with GA-EP45-UD3P rev 1.6

    I ran home today during lunch to try a few things.

    I reset the CMOS and it didn't seem to do anything, because when I fired it up again it the same thing happened.

    So I decided to shift the memory module from DDR2_1 to DDR2_3. Reset the CMOS again just in case and fired it up. This time I was able to get into the bios. So I am thinking that it might be a problem with DDR2_1.

    Tonight I am going to test and see if I am able to put both modules in DDR_2 and DDR_4. If that all works I will start putting the rest of the components back together and hopefully get it up and running.

    Thank you guys for all the suggestions. I will touch back here again after I do some more testing tonight.

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