Lenovo ThinkPad 380E Setup Manual page 53

its deepest power-saving mode (C3 state). When a portable computer runs on battery
power, this can be a serious drain on the system battery life. In the initial release of
Windows 2000, this is known issue and no work around exists. If USB devices are
connected to your computer, but not being used, unplug the USB devices from the
system in order to conserve battery power. This issue will be addressed in the future
releases of Windows 2000.
USB wakeup is not supported on the IBM SelectaDock-III docking station if the USB
device is attached to the USB port located on the docking station. If the USB device
is attached to the USB port located on the system-unit under this same physical
docking configuration, USB wakeup is supported. USB wakeup is also supported if a
USB device is attached to the USB port located on the Advanced Port Replicator with
Advanced EtherJet Port. The same capability exists when the USB device is
connected to the USB port located on the system-unit under this same physical
docking configuration.