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Thread: EX58-UD5 Cold boot problem




  1. #1
    Join Date
    Jun 2009
    Posts
    7

    Default EX58-UD5 Cold boot problem

    Seen a few post about this but there doesn't seem to be any solid answer to fix it

    I am experiencing cold boot problems on an overclock

    CPU i7 920 @ 4Ghz
    EX58-UD5 - Bios V7
    6GB DDR3 PC-3 12800
    ATI HD4870 X2
    Corsair HX1000W
    2x WD Raptor 150GB RAID0

    The problem is pretty much that when I push the "power" button all lights and the chassis and the fans start, and then they shut down immediately again. Then 2-3 second after the system powers on and then shuts down immediately again. On the 3rd attempt it will boot but not using my O/C settings.

    I am able to go into the BIOS and re-save the settings and after this i have no problems at all, 14hr blend stable so i don't believe its an issue with the O/C settings.

    Any help would be appreciated, thanks.

  2. #2
    Join Date
    Feb 2009
    Posts
    77

    Default Re: EX58-UD5 Cold boot problem

    Have you tried the F8b bios on this forum.

  3. #3
    Join Date
    Jun 2009
    Posts
    7

    Default Re: EX58-UD5 Cold boot problem

    Quote Originally Posted by killersjp View Post
    Have you tried the F8b bios on this forum.
    No, do you think it could possibly help?

  4. #4
    Join Date
    Jun 2009
    Posts
    7

    Default Re: EX58-UD5 Cold boot problem

    Anyone got any ideas other than suggesting random bios versions without knowing if they would help?

  5. #5

    Default Re: EX58-UD5 Cold boot problem

    Starting up causes a lot of stress on overclocked parts. I believe at the immediate start-up, everything is running full speed for a few seconds. Although you may be getting it stable running after startup, your settings may be pushing it just over the edge to make your POST unstable.

    I would also try running Prime95 blend tests concurrently with Intel Burn Test. I have had 18+ hour Prime95 stable settings which crash within 20 minutes of concurrent stress testing. Stress testing still isn't a mastered science but that's just what I've observed so far.
    i7 920 C0/C1 3841A
    24/7 OC: 21x183Mhz = 3.84Ghz @ stock Vcore/QPI voltages
    Thermalright Ultra-120 Extreme 1366
    3x2GB OCZ DDR1600 OCZ3P1600LV6GK
    EX58-UD4P BIOS F11
    EVGA GTX 260 Core 216 SC 55nm 896-P3-1257-AR
    Antec NEO HE 550 Power Supply

  6. #6
    Join Date
    Feb 2009
    Posts
    77

    Default Re: EX58-UD5 Cold boot problem

    Sorry but not random bios, but the latest beta, I tried the official F7 bios and this returned my system to boot more than once on start up, try the bios before slagging peoples help or dont bother to ask.

  7. #7

    Default Re: EX58-UD5 Cold boot problem

    Quote Originally Posted by Tarqy View Post
    Anyone got any ideas other than suggesting random bios versions without knowing if they would help?
    Some people are understandably reluctant to update their BIOS, but as long as you do it properly with QFlash (@BIOS is risky) it should be fine. The newer BIOS versions for the EX58 boards have been shown to sometimes improve overclocking stability so it's not a bad idea to try it.
    i7 920 C0/C1 3841A
    24/7 OC: 21x183Mhz = 3.84Ghz @ stock Vcore/QPI voltages
    Thermalright Ultra-120 Extreme 1366
    3x2GB OCZ DDR1600 OCZ3P1600LV6GK
    EX58-UD4P BIOS F11
    EVGA GTX 260 Core 216 SC 55nm 896-P3-1257-AR
    Antec NEO HE 550 Power Supply

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