Biostar motherboard locks up during boot when using USB hub

Discussion in 'Biostar' started by Mr Mike, Mar 18, 2007.

  1. Mr Mike

    Mr Mike Guest

    I have a BIOSTAR U8668D motherboard that locks up during the boot
    process. I get the following information:

    Phoenix... U8668D v5.5 Bios v c23

    Main Processor : Intel(R) Pentium(R) 4 CPU 2.60 GHZ
    Memory Testing : +

    Where normally it would read something like "Memory Testing : DDR333
    (1.5 GB)".

    I have three options at the bottom of the screen:

    F8 -
    F9 - Select boot device after post
    Del - Setup

    None of which work.

    I have tried clearing CMOS, a new battery and reseating memory without
    any progress.

    After some expermenting, it appears that this happens when using a USB
    hub with 3 devices attached.
    If I remove the hub and plug one device in, the PC boots fine.

    Any ideas as to the problem or why this happens?
     
    Mr Mike, Mar 18, 2007
    #1
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  2. Mr Mike

    Guest

    I'm having exactly the same problem with my P4M80-M4 motherboard. Does
    anyone knows the answer to this problem?
     
    , Mar 25, 2007
    #2
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  3. Mr Mike

    davy Guest

    You say connecting one usb device is ok... what happens with 2
    devices..?

    Was thinking that with three usb devices on one hub there just might be
    too much power drawn. There is a 5 Volt dc supply on the usb hub, if
    there is some form of over-current sensor on the mobo (to prevent mobo
    damage) it could well be the answer.

    There is alway's a possibility one of the devices could be faulty.

    Davy
     
    davy, Mar 30, 2007
    #3
  4. Mr Mike

    Wally Guest

    Mr Mike wrote:
    > I have a BIOSTAR U8668D motherboard that locks up during the boot
    > process. I get the following information:
    >
    > Phoenix... U8668D v5.5 Bios v c23
    >
    > Main Processor : Intel(R) Pentium(R) 4 CPU 2.60 GHZ
    > Memory Testing : +
    >
    > Where normally it would read something like "Memory Testing : DDR333
    > (1.5 GB)".
    >
    > I have three options at the bottom of the screen:
    >
    > F8 -
    > F9 - Select boot device after post
    > Del - Setup
    >
    > None of which work.
    >
    > I have tried clearing CMOS, a new battery and reseating memory without
    > any progress.
    >
    > After some expermenting, it appears that this happens when using a USB
    > hub with 3 devices attached.
    > If I remove the hub and plug one device in, the PC boots fine.
    >
    > Any ideas as to the problem or why this happens?

    It may be trying to boot from usb (selectable from some Bios)or the hub
    is defective dragging down the 5 volt regulator. Try a Powered usb hub.
     
    Wally, May 12, 2007
    #4
  5. Mr Mike

    Guest

    I have an USB powered Hub. It still freezes when the hub is connected
    during booting. If I disconnect the Hub, the computer starts OK. Any
    ideas?
     
    , May 23, 2007
    #5
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