The present invention is to provide a docking module exchangeable with a battery
module of an ultra thin notebook computer, which comprises a plurality of I/O ports
of different functions at one end of the docking module and a plurality of corresponding
connectors coupled to the I/O ports at the other end thereof. The another end of
the docking module may be inserted into an exposed recess disposed on the notebook
computer, which is originally used for inserting the battery module thereto, and
communicate with the notebook computer after the removal of the battery module
from the notebook computer.