Ide Drive Light; Primary Hard Drive - HP Compaq NC6220 Hardware And Software Manual

IDE Drive Light

The IDE drive light is turned on when the primary hard drive, or a
hard drive or optical drive in the MultiBay II, is being accessed.

Primary Hard Drive

CAUTION: To prevent system lockup and loss of information:
Ä
Shut down the notebook before removing the hard drive from the hard
drive bay. Do not remove the hard drive while the notebook is on, in
standby, or in hibernation.
The hard drive that is in the hard drive bay is the primary hard
drive. Remove it only after the notebook is properly shut down.
Hardware and Software Guide
Drives
5–3