HP Compaq NX9100 Reference Manual page 40

Using the Expansion Base
6. Replace the hard drive carrier 1 and hard drive carrier
screw 2.
7. Remove the hard drive power connector cover 3.
8. Connect the hard drive power adapter to the
Expansion Base 4.
9. Connect the power cord to the hard drive power adapter 5,
and then connect the power cord to the wall outlet 6.
✎
For more information on the hard drive, refer to the instructions
that came with the hard drive.
To remove the optional internal hard drive, reverse the installation
procedures.
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