HP dl360 g9 8sff cto server [118/152] External usb functionality

HP dl360 g9 8sff cto server [118/152] External usb functionality
Software and configuration utilities 118
When the server is configured for Legacy BIOS Boot Mode, HP provides legacy USB support in the
pre-boot environment prior to the operating system loading for USB 1.0 and USB 2.0 speeds. While
USB 3.0 ports can be used with all devices in Legacy BIOS Boot Mode, they are not available at
USB 3.0 speeds in the pre-boot environment. Standard USB support (USB support from within the
operating system) is provided by the OS through the appropriate USB device drivers. Support for
USB 3.0 varies by operating system.
For maximum compatibility of USB 3.0 devices with all operating systems, HP provides a configuration
setting for USB 3.0 Mode. Auto is the default setting. This setting impacts USB 3.0 devices when
connected to USB 3.0 ports in the following manner:
Auto (default)If configured in Auto Mode, USB 3.0 capable devices operate at USB 2.0 speeds in
the pre-boot environment and during boot. When a USB 3.0 capable OS USB driver loads, USB 3.0
devices transition to USB 3.0 speeds. This mode provides compatibility with operating systems that
do not support USB 3.0 while still allowing USB 3.0 devices to operate at USB 3.0 speeds with state-
of-the art operating systems.
EnabledIf Enabled, USB 3.0 capable devices operate at USB 3.0 speeds at all times (including the
pre-boot environment) when in UEFI Boot Mode. This mode should not be used with operating
systems that do not support USB 3.0. If operating in Legacy Boot BIOS Mode, the USB 3.0 ports
cannot function in the pre-boot environment and are not bootable.
DisabledIf configured for Disabled, USB 3.0 capable devices function at USB 2.0 speeds at all
times.
The pre-OS behavior of the USB ports is configurable in System Utilities, so that the user can change the
default operation of the USB ports. For more information, see the HP UEFI System Utilities User Guide for
HP ProLiant Gen9 Servers on the HP website (http://www.hp.com/go/ProLiantUEFI/docs).
External USB functionality
HP provides external USB support to enable local connection of USB devices for server administration,
configuration, and diagnostic procedures.
For additional security, external USB functionality can be disabled through USB options in UEFI System
Utilities.
Redundant ROM support
The server enables you to upgrade or configure the ROM safely with redundant ROM support. The server
has a single ROM that acts as two separate ROM images. In the standard implementation, one side of the
ROM contains the current ROM program version, while the other side of the ROM contains a backup
version.
NOTE: The server ships with the same version programmed on each side of the ROM.
Safety and security benefits
When you flash the system ROM, the flashing mechanism writes over the backup ROM and saves the
current ROM as a backup, enabling you to switch easily to the alternate ROM version if the new ROM
becomes corrupted for any reason. This feature protects the existing ROM version, even if you experience
a power failure while flashing the ROM.

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