HP DL370 HP ProLiant DL/ML370 G6 Server User Guide - Page 107

Redundant ROM support, Safety and security benefits, USB support, Internal USB functionality

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Page 107 highlights

Redundant ROM support The server enables you to upgrade or configure the ROM safely with redundant ROM support. The server has a 4-MB ROM that acts as two, separate 2-MB ROMs. 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, ROMPaq 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. USB support HP provides both standard USB support and legacy USB support. Standard support is provided by the operating system through the appropriate USB device drivers. HP provides support for USB devices prior to the operating system loading through legacy USB support, which is enabled by default in the system ROM. HP hardware supports USB version 2.0. Legacy USB support provides USB functionality in environments where USB support is normally not available. Specifically, HP provides legacy USB functionality at: • POST • RBSU • Diagnostics • DOS • Environments which do not support USB natively For more information on ProLiant USB support, refer to the HP website (http://www.compaq.com/products/servers/platforms/usb-support.html). Internal USB functionality An internal USB connector is available for use with USB drive keys only. This solution provides for use of a permanent boot drive from a USB drive key installed in the internal connector, avoiding issues of clearance on the front of the rack and physical access to secure data. For additional security, you can disable the external USB connectors through RBSU. Disabling the rear USB connectors in RBSU disables both rear USB ports. Configuration and utilities 107

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Configuration and utilities 107
Redundant ROM support
The server enables you to upgrade or configure the ROM safely with redundant ROM support. The server
has a 4-MB ROM that acts as two, separate 2-MB ROMs. 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, ROMPaq 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.
USB support
HP provides both standard USB support and legacy USB support. Standard support is provided by the
operating system through the appropriate USB device drivers. HP provides support for USB devices prior
to the operating system loading through legacy USB support, which is enabled by default in the system
ROM. HP hardware supports USB version 2.0.
Legacy USB support provides USB functionality in environments where USB support is normally not
available. Specifically, HP provides legacy USB functionality at:
•
POST
•
RBSU
•
Diagnostics
•
DOS
•
Environments which do not support USB natively
For more information on ProLiant USB support, refer to the HP website
(
).
Internal USB functionality
An internal USB connector is available for use with USB drive keys only. This solution provides for use of
a permanent boot drive from a USB drive key installed in the internal connector, avoiding issues of
clearance on the front of the rack and physical access to secure data.
For additional security, you can disable the external USB connectors through RBSU. Disabling the rear
USB connectors in RBSU disables both rear USB ports.