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  1. #1
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    Can't enable USB

    While attempting to install a USB printer, I discovered that USB was disabled in my bios. (The motherboard does support USB -- but the computer's original config was USB disabled)

    I changed the bios setting to enable USB and set the IRQ selection to Auto.

    Now, when I boot up, I get a Windows message instructing that a search needs to be done for USB drivers. But, when I attempt to direct the search to the CDROM, drive (E), I get a message stating that there is a problem with drive D, followed by a system failure. Ctrl-Alt-Del tells me that vsmon has failed.

    Changed the bios setting to disable USB again...and the boot was once again normal.

    Don't know where to go from here. Don't know if an IRQ conflict is causing this, or if it's something else. Do I need to specify an IRQ address for USB? If so, which?

    I'd sure appreciate some guidance.

    Windows 98, AMD 350, 256 ram, Asus P5A super 7 main board

  2. #2
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    Re: Can't enable USB

    I'm pretty ignorant on the subject, but the more I think about it, the more I lean toward an IRQ conflict being the problem.

    As I recall, USB requires its own IRQ.

    All of my IRQs are assigned...9, 11, 14, and 15 are shared. If all of this is correct, I need to free up an IRQ to assign to the USB.

    I've listed the IRQ assignments below---are there any that can be combined to free up an IRQ?

    OR -- I have two printer ports. Installing this USB printer will free one up and I won't need it. The one being used is LPT1. Can I intruct the bios to free up IRQ 3, which is the LPT2 port?

    Does this make any sense?

    0 = system clock
    1= key board
    2 = programmable interrupt controller
    3 = ECP printer port LPT2
    4 = Com 1 (I'm using an external cable modem on a nic card)
    5 = IRQ holder pci steering
    6 = floppy disc
    7 = ECP printer port LPT1
    8 = CMOS
    9 = NIC card
    9 = IRQ holder pci steering
    10 = sound card
    11 = SCSI controller
    11 = IRQ holder pci steering
    12 = mouse
    13 = numeric data processor
    14 = Primary IDE Controller (dual fifo)
    14 = ALi M5229 PCI Master Bus Controller
    15 = Secondary IDE controller (dual fifo)
    15 = ALi M5229 PCI Master Bus Controller

  3. #3
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    Re: Can't enable USB

    Are you running Win 98 Fe or SE? If I remember right Win 98 Fe did NOT support USB.

    Now running HP Pavilion a6528p, with Win7 64 Bit OS.

  4. #4
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    Re: Can't enable USB

    What an unhappy thought that is, Dave! Yes, I am running W98 First, not SE. *sigh*
    Guess I'd best go to the MS site and see what the deal is. Hope there's a fix if that's the case. Thank you very much for the thought.

  5. #5
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    Re: Can't enable USB

    I am running Windows 98 FE and have USB working. You might try installing the USB root hub controller in the ADD NEW HARDWARE. I have the USB on IRQ 11 with two other items: network card and the PCI steering. Good luck!

  6. #6
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    Re: Can't enable USB

    Check out http://support.microsoft.com/default.aspx?...b;en-us;Q263218.
    As for 98 Fe and USB, I think it was the very early versions did NOT support USB. MS came out with a OEM only release (98b) for new machines only. You may have a copy of the earlier viersion.

    Now running HP Pavilion a6528p, with Win7 64 Bit OS.

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