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only one front usb port out of 4 supports usb sound card.

HP Recommended
elite 8000 cmt
Microsoft Windows 7 (32-bit)

as above only one front usb port supports a sound card. the other 3 supply power only as indicated by a red led in the device. all 6 rear ports work with card. the card is plug and play, does not require a driver download/cd. i read that ALL PnP sound cards require drivers that are not intergangable. OS may or may not detect/find driver. one working port is enough. if I need more I will add a hub onto THAT port. Or use the rear ports. I used a printer cable with adapter plug to power the card. works as expected. ALL 10 ports in the bios are enabled. I ordered two more that DO use a driver cd, just in case. a mystery waiting to be solved. any solutions?

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