USB_BUGCODE

[JerryLan]

I am getting a Blue Screen failure which states that a USB_BUGCODE has occured. I have several USB devices attached via a powered hub which I have replaced. Also I tried a new card on the PCI bus. I also upgraded the power supply to 420 watts. None of this stopped the problem except when I simply left the devices unplugged. I want to exhaust all possible easy fixes before replacing the motherboard which will cause a complete

The computer is an AMD XP 1800, ECS Motherboard with 512K memory. Windows XP Pro OS - fully updated.

The USB devices are:
Canon i860 printer
Canon scanner
iPaq sync cradle
Camera card reader


Any Ideas?

 

[bcastner]

Open Device Manager.
Expand the USB listing.
Expand each USB controller entry and click the Advanced tab.

Uncheck the box at bottom left for notification of errors.

Check (if SP2) the bandwidth being utilized. You may have exceeded either bandwidth or power requirements (500ma MAX per controller).

 

[JerryLan]

Thanks for the reply bcastner.
Unfortunately it did not uncover the problem as the bandwidth is only 12ma. It is very curious. I still am not ready to condem my ECS motherboard, although I understand that they are easy to condem. I am suspecting the scanner.

 

[bcastner]

Bandwidth under the USB property sheet Advanced tab is not a voltage measure, it is a processor reservation percentage.

In any case look in Device Manager to see if you have more than two USB ports per defined controller. If so, some of those ports are equivalent to unpowered hub devices. Try the front panel or other USB ports to find the powered ports.

If using an unpowered USB Hub, replace it.