HP OmniBook 900 User Manual page 13

3. Attach the security post to the tray (optional). The security post preventss
removal of the OmniBook PC cards. The security post on your tray may be in a
different location from that shown below.
4. Insert the tabs on the back of the tray into the slots in the dock and press down
on the front edge of the tray to lock it in place.
5. Connect your external devices to the dock. See "Making Connections" on page
1-24.
Using the Dock
1-13