HP ROM-Based Setup Utility - Manual (Page 20)

USB Control
The USB Control option determines how USB ports and embedded devices operate at startup.
Depending on your server model, options may include the following:
Servers supported Description Option
G7 servers: AllGen8 servers:
All All USB ports and embedded devices are enabled. USB Enabled (default)
G7 servers: AllGen8 servers:
Not an available option. All USB ports and embedded devices are disabled.
NOTE: Disabling USB ports can prevent iLO virtual media
devices from mounting.
USB Disabled
G7 servers: AllGen8 servers:
Not an available option. All USB ports are enabled under a USB-aware OS, but
USB is not supported during POST or RBSU. Legacy USB
Disabled also disables iLO3 virtual devices. Legacy USB Disabled
G7 servers: AllGen8 servers:
All All external USB ports are disabled. Under this option,
embedded USB devices still have full support under the
ROM and OS. External USB Port Disabled
IMPORTANT: Disabling Legacy USB Support removes the ability to use a USB keyboard and
mouse in a pre-boot environment. iLO Virtual Devices used for remote access, including virtual CD,
floppy, keyboard, and mouse are also disabled. RBSU cannot be used to re-enable functionality.
After reading the warning message, press any key to display the available settings.
20 RBSU menu-driven interface, version 3.xx or later (G6, G7, and Gen8 servers)