HP Compaq Series Hardware And Software Manual page 207

B
MultiBoot
A bootable medium or network interface card (NIC) contains files
that the notebook needs to start properly and operate. The
MultiBoot utility, disabled by default, enables you to identify the
devices and control the sequence in which the system attempts to
boot from those devices as it starts up your notebook.
Bootable devices include optical drive discs, such as CDs or
DVDs, bootable diskettes, or NICs.
✎
Some devices, including USB devices and NICs, must be
enabled in Computer Setup before they can be included in the
boot sequence. For more information, refer to "Bootable
Devices in Computer Setup" in this chapter.
Hardware and Software Guide B–1