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Server software and configuration utilities 50
for any reason. This feature protects the existing ROM version, even if you experience a power failure
while flashing the ROM.
USB support and functionality
USB support (on page 50)
Internal USB functionality (on page 50)
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 before
the operating system loads through legacy USB support, which is enabled by default in the system ROM.
HP hardware supports USB version 1.1 or 2.0, depending on the version of the hardware.
Legacy USB support provides USB functionality in environments where USB support is normally not
available. Specifically, HP provides legacy USB functionality for:
• POST
• RBSU
• Diagnostics
• DOS
• Operating environments which do not provide native USB support
For more information on ProLiant USB support, refer to the HP website
(http://h18004.www1.hp.com/products/servers/platforms/usb-support.html
).
Internal USB functionality
An internal USB connector is available for use with USB drive keys only. The internal connector shares the
same bus with the front external USB connector, and connecting a device to both the front internal and
front external USB connectors is not supported. This solution provides for use of a permanent boot drive
from a USB drive key installed in the front internal connector, avoiding issues of clearance on the front of
the rack and physical access to secure data.
For additional security, you can individually disable the front, rear, and internal USB connectors through
RBSU. Disabling the rear USB connectors in RBSU disables both rear USB ports.
Diagnostic tools
HP Insight Diagnostics
HP Insight Diagnostics is a proactive server management tool, available in both offline and online
versions, that provides diagnostics and troubleshooting capabilities to assist IT administrators who verify
server installations, troubleshoot problems, and perform repair validation.
HP Insight Diagnostics Offline Edition performs various in-depth system and component testing while the
OS is not running. To run this utility, launch the SmartStart CD.
HP Insight Diagnostics Online Edition is a web-based application that captures system configuration and
other related data needed for effective server management. Available in Microsoft® Windows® and
Linux versions, the utility helps to ensure proper system operation.
For more information or to download the utility, refer to the HP website
(http://www.hp.com/servers/diags
).