As Fast File Sync for NB and Desktop
One NIC for internet connection.
One NIC for private LAN for file sync.
Most NB has wireless LAN and ethernet LAN. If you always use wireless LAN for internet connection, you could use ethernet LAN for file sync.
Install Procedure:
a. WIN + R | ncpa.cpl (Network connection)
b. Choose the NIC which want to use for file sync with NB.
c. You also need to modify file sync setting on Windows Vista
Windows Vista is Microsoft Trade Mark.