Texas Instruments TravelMate 4000M User Manual page 74

Docking The Notebook
4. When in place, push the clamps on the side of the Portable CD-ROM
Docking System in and then up to latch over the notebook.
5. When secure, plug in the AC connector to the DC in connector on the
back of the Portable CD-ROM Docking System.
4-4
Inserting the notebook
Clamping the notebook