Here is what I'v noticed.... my usb motherboard ports work fine... as long as the device is plugged in when you boot. If you pull something out... and put it back in... it does not.
Also, I have 2 front USB ports... of which one works.... (at usb1.1 speeds WHY!) and the other always just says...
back ports
computer management
device manager
device recognition
drivers
ecsrs482-m
file transfer
front ports
hardware compatibility
hdd
motherboard
ports
problems
speed issues
technical support
troubleshooting
usb
vista
windows 7
xbox receiver