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Software and configuration utilities 118
For more information on RBSU, see the HP ROM-Based Setup Utility User Guide on the Documentation CD or
the HP website (http://www.hp.com/support/smartstart/documentation).
Boot options
Near the end of the boot process, the boot options screen is displayed. This screen is visible for several
seconds before the system attempts to boot from a supported boot device. During this time, you can do the
following:
• Access RBSU by pressing the F9 key.
• Access the System Maintenance Menu (which enables you to launch ROM-based Diagnostics or
Inspect) by pressing the F10 key.
• Access the boot menu by pressing the F11 key.
• Force a PXE Network boot by pressing the F12 key.
BIOS Serial Console
BIOS Serial Console allows you to configure the serial port to view POST error messages and run RBSU
remotely through a serial connection to the server COM port. The server that you are remotely configuring
does not require a keyboard and mouse.
For more information about BIOS Serial Console, see the BIOS Serial Console User Guide on the
Documentation CD or the HP website (http://www.hp.com/support/smartstart/documentation).
Configuring AMP modes
Not all ProLiant servers support all AMP modes. RBSU provides menu options only for the modes supported
by the server. Advanced memory protection within RBSU enables the following advanced memory.
• Advanced ECC Mode—Provides memory protection beyond Standard ECC. All single-bit failures and
some multi-bit failures can be corrected without resulting in system downtime.
• Online Spare Mode—Provides protection against failing or degraded DIMMs. Certain memory is set
aside as spare, and automatic failover to spare memory occurs when the system detects a degraded
DIMM. DIMMs that are likely to receive a fatal/uncorrectable memory error are removed from
operation automatically, resulting in less system downtime.
See the server-specific user guide for DIMM population requirements.
• Mirrored Memory Mode—Provides protection against uncorrectable memory errors that would
otherwise result in system failure. In this mode, the system maintains two copies of all data. If an
uncorrectable memory error occurs, the system automatically retrieves the good data from the mirrored
copy. The system continues to operate normally without any user intervention. If the system supports
hot-plug memory, the failed memory can be replaced while the system continues to operate.
• RAID Memory Mode—Provides protection levels similar to Mirrored Memory Mode, and it requires less
memory allocation than full redundancy.
Configuring mirrored memory
To configure mirrored memory:
1. Install the required DIMMs ("Installing a DIMM" on page 52).
2. Access RBSU by pressing the F9 key during power-up when the prompt is displayed.