Asus P5B Premium Vista Edition - Manual (Page 136)

5-26 Chapter 5: Software support
Activating HID-Compliant Devices
Due to the limitation of the operating system, if you remove the IR receiver
from the previous port and have it reinstall into the other USB port, the IR
receiver will not function. To activate the HID-compliant devices again, go to
Device Manager/Power Manager and check the box of Allow this device to
bring the computer out of standby.
1. Click Windows icon and
choose Control Panel.
2. Double click System and
Maintenance.
3. Click Device Manager. 4. Select HID-compliant device.
5. Check the box of Allow this
device to wake the computer.