HP Xb3000 - Notebook Expansion Base Docking Station Maintenance And Service Manual page 22

Product Description
4. Move the expansion cable to either side of the
expansion base, depending on where the expansion port on
your computer is located.
✎
The location of the expansion port on your computer varies by
computer series and model.
Extracting the Expansion Cable
✎
It is important to position the cable correctly, so that the cable
can move freely. A cable guide assists you in positioning the
cable.
1–18 Maintenance and Service Guide