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Thread: M2-ATX cold boot HDD detection problem

  1. #1
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    M2-ATX cold boot HDD detection problem

    Hello All,
    any one had seen the problem before - what am I doing wrong?

    Carputer config
    ------------------
    VIA EPIA EN15000 (BIOS 1.07), 2.5" SATA Seagate 80G, M2-ATX
    same behaviour observed with 2.5" IDE drives

    Ignition on (no jumpers, C, B, same effect)
    -------------------------------------------
    In 5 seconds, motherboard starts and boots
    HDD is not detected
    After pressing RESET, works fine. Windows shuts down normally on POWER

    When using common ATX power supply, works normally
    Boots on POWER, HDD detected

    Which unavoidably leads to following conclusions:
    1. M2-ATX is capable of driving setup and it works okay (after RESET)
    2. Problem only happens on cold boot
    3. Works rock solid stable with any other power unit
    4. Jumpers do not seem to affect
    5. It is not HDD related

    Any one hit the situation before ?

    Thanks in advance.
    Will contract for C++/Win-Linux/PIC jobs

  2. #2
    Maximum Bitrate v8 scimitar's Avatar
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    Just an idea but instead of having your BIOS set to auto detect your drive as per default try setting it so the HD is permanently set. If that doesn't help then it sounds like your HD isn't spinning up fast enough.
    Visit my site V8 Scimitar

    SP13000, 300GB SATA HD, 1GB DDR. Opus 150, K301 screen, Cisco WIFI, AQmax GPS, RoadRunner and FreeDrive, Sony MEX-R5 head unit. 4 years installed and it just keeps running!

  3. #3
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    I just bought mine and installed it today and i am having the same problem.
    I am running a Jetway 1.5 MB, 512 Ram, 3.5" 120gb ide HDD, DVD Rom, Voom PC Case.

  4. #4
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    Quote Originally Posted by v8 scimitar View Post
    Just an idea but instead of having your BIOS set to auto detect your drive as per default try setting it so the HD is permanently set. If that doesn't help then it sounds like your HD isn't spinning up fast enough.
    IDE detect timeout BIOS setting would be nice but it is not there in 1.07;
    setting delay by means of non-quick boot and lan boot wont help.

    it can be something i misunderstood about power unit itself.
    Will contract for C++/Win-Linux/PIC jobs

  5. #5
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    Quote Originally Posted by sajeev View Post
    I just bought mine and installed it today and i am having the same problem.
    I am running a Jetway 1.5 MB, 512 Ram, 3.5" 120gb ide HDD, DVD Rom, Voom PC Case.
    Okay, than it is a second board with this problem. Both carry C7 1.5
    Will contract for C++/Win-Linux/PIC jobs

  6. #6
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    As we noticed, motherboard gets powered up on ignition.
    This is not an expected behavior.

    Why motherboard getting powered on ignition ? Can it be a PIC bug,
    motherboard protocol change that M2-ATX does not understand ?
    Or I simply connected it improperly, small simple stupid problem
    laying on the surface that I can not see yet ?
    Will contract for C++/Win-Linux/PIC jobs

  7. #7
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    Same coldboot non-detection behaviour observed with following setup:
    M2-ATX
    flexATX (VIA Chipset) Samuel C3

    So this may be result of some incompatiblity or power ramp.
    We will very much appreciate any help and/or guidance how to fix.
    Will contract for C++/Win-Linux/PIC jobs

  8. #8
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    Got my new board and it has the same problem. Anymore help will be appriecated. Thanks

  9. #9
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    This has been my problem since inception. Mine is a Jetway 1.5, 1gig, dvdrom and 2.5HDD. I plan to fix the problem with an opus PS. The M2 is a piece of ultimate crap.

  10. #10
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    Thank you for the reply. Please do not jump into conclusions yet.
    Looking forward for fix and help of manufacturer.
    Will contract for C++/Win-Linux/PIC jobs

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