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Thread: GA-EX58-UD5 post error 6F and checksum error..




  1. #1
    Join Date
    Jan 2009
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    Default GA-EX58-UD5 post error 6F and checksum error..

    I hope that you can help me here...

    This is the problem: When my computer have been turned off, and when I start it the day after it beeps and will not boot. When checking the led display it stops at 6F and reboots by it self. (letting it do this a couple of times, it will take me to the bios screen) The last couple of days it even says there is a check sum error in the bios and the original F2 bios is restored to the motherboard bios.

    Could this be a bad board or could it be something else, I have random crashes in windows too. Is it a good thing running this setup with a "old" PSU that don't have the right connections, could it be a problem?

    My system: Gigabyte EX58-UD5 | Intel i7 920@stock | Corsair XMS3 1333 | XFX 260@stock | 2 Samsung 250Gb RAID0 ICH10 | WD 1Tb | Antec TruePower 550W ATX 2.0

  2. #2
    Join Date
    Apr 2008
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    942

    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    Could this be a bad board or could it be something else, I have random crashes in windows too. Is it a good thing running this setup with a "old" PSU that don't have the right connections, could it be a problem?
    What PSU are you using?

    Older PSU's had the power emphasis on the 3.3 & 5volt lines. Todays PC's rely Heavily on the 12volt line and it's capacity.
    Startup puts demand on the PSU. For instance Hard Drives can take upto 3 times their normal Read/Write operational current.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  3. #3
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    It's a old Antec TruePower 550W ATX 2.0 and you are right ...it only has 24Amps on the 12V rail. Will get the new corsair 850W tomorrow I hope

  4. #4
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    Quote Originally Posted by Greffel View Post
    It's a old Antec TruePower 550W ATX 2.0 and you are right ...it only has 24Amps on the 12V rail. Will get the new corsair 850W tomorrow I hope
    Yep 24 amps isn't enough with the GTX260 in the mix.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  5. #5
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    Now I.m up and running with the new psu, now I can start prime and run 3d mark without crashes :D Let's hope that "it" will start tomorrow without the reboot loop and checksum error.
    Gigabyte GA-EX58-UD5
    i7 920 @ ???
    GTX260 @ ???
    6Gb Corsair XMS3@1600Mhz
    Samsung 2x250gb
    WD 1Tb
    LaCie USB2 500Gb
    Corsair 850W 12V 70Amp single rail

  6. #6
    Join Date
    Apr 2008
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    The Corsair 850watt PSU looks good. 70amps on the 12volt like is a very nice capacity and the 5year warranty protects your investment.

    Whilst your Antec PSU was one of the best in it's day, due to ageing components it would probably struggle to even supply as much as 24amps on its 12volt line now.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  7. #7
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    I just got home from work and started up my PC and beep and 6F on the led display. It will do about 10-15 reboots and then it will get past the 6F and say bios checksum error.
    Then I load the "last known good setting" and it will boot in to windows.

    The first 2 or 3 weeks this was not a problem the board ran just fine, could it be helped with some kind of other method of bios flash och should I take the motherboard back to the store ? ( since I got the board I have tried a couple of beta bios, maybe something got screwed up? )
    Gigabyte GA-EX58-UD5
    i7 920 @ ???
    GTX260 @ ???
    6Gb Corsair XMS3@1600Mhz
    Samsung 2x250gb
    WD 1Tb
    LaCie USB2 500Gb
    Corsair 850W 12V 70Amp single rail

  8. #8
    Join Date
    Apr 2008
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    Have you tried running Memtest?

    Also what are you running your DDR3 at? Stock timings (auto) and Stock Voltage 1.5volts?
    You may need to increment the DDR3 voltage ever so slightly, if it's currently set at 1.5volts, ie the minimal increase possible.

    Have you always loaded up the optimised defaults, SAVED & then allow it to reboot after each bios upgrade? Then re- enter the bios and setup any specifics.

    Also Q-Flash is prefered to @bios. In Qflash you can also Disable, prior to flashing proper the option "Keep DMI Pool".
    Last edited by VorLonUK; 01-21-2009 at 10:43 PM.
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

  9. #9
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    Jan 2009
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    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    nope.. just prime95

    I was thinking memory problem to, because if you put the memory in the blue slots this 6F will happen... maybe I should try and see

    when it did not boot today I had the memory set at 1066 and increased the voltage one step. but still no go
    Gigabyte GA-EX58-UD5
    i7 920 @ ???
    GTX260 @ ???
    6Gb Corsair XMS3@1600Mhz
    Samsung 2x250gb
    WD 1Tb
    LaCie USB2 500Gb
    Corsair 850W 12V 70Amp single rail

  10. #10
    Join Date
    Apr 2008
    Posts
    942

    Default Re: GA-EX58-UD5 post error 6F and checksum error..

    Post edited above.

    I think you need to run through the basics, even clearing the CMOS etc. Then checking with Memtest Memtest86+ - Advanced Memory Diagnostic Tool
    GA-P35C-DS3R Rev2.0 F11 bios, E8200 (@3.0Ghz), OCZ DDR3 PC3-10666 Reaper 4GB (@1200Mhz), Xonar D1, 8800GTS 512, Corsair HX520 (Single 12volt line, Max 40A), WDC 3200aaks/5000aaks in AHCI mode, Vista 64 Premium.

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