Texas Instruments 4000M - Manual (Page 207)

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 DC connector.
6. Switch on the Portable CD-ROM Docking System.
Inserting the Portable CD-ROM Docking System
Clamping the notebook
Docking Your Notebook
12-6 Portable CD-ROM Docking System