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USB 2 PCI card installation on IBM NetVista with MS Vista

I am trying to install a USB 2.0 PCI card on an IBM NetVista 6833 Desktop PC with MS Vista as the OS. After installation and reboot the PC does not seem to recognize the card. In the hardware list it says 'unidentified hardware'. Any ideas why?

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  • LucyVista Apr 28, 2008

    Thanks for the reply. So how do I ensure that the USB card has 2 IRQs? I tried switching the USB 2 card with the NIC card and I started getting resource conflicts and both the NIC and the USB 2 card do not work. Since this a PCI/PnP configuration I cannot assign specific IRQs to any device. Is that correct?

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Lucy,

USB 2.0 cards require 2 IRQs.

  • 1 IRQ supports USB 1.1
  • and the other the Enhanced (USB 2.0) controller.
Installing the USB 2.0 card in a slot that does NOT share an IRQ or shares an IRQ with onboard USB produces the best result. Consult your motherboard manual or online guide to determine which PCI slot is best for you.

You should also try disabling the on board USB support from BIOS setup.

Thanks
Iqbal

Posted on Apr 28, 2008

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