Selecting The Boot Mode - Hitachi HA820 G2 User Manual

• Configuring memory options.
• Launching other preboot environments.
Advanced Server product with UEFI can provide:
Support for boot partitions larger than 2.2 TB. Such configurations could previously only be
•
used for boot drives when using RAID solutions.
• Secure Boot that enables the system firmware, option card firmware, operating systems, and
software collaborate to enhance platform security.
UEFI Graphical User Interface (GUI)
•
An Embedded UEFI Shell that provides a preboot environment for running scripts and tools.
•
• Boot support for option cards that only support a UEFI option ROM.

Selecting the boot mode

This server provides two Boot Mode configurations: UEFI Mode and Legacy BIOS Mode. Certain boot
options require that you select a specific boot mode. By default, the boot mode is set to UEFI Mode. The
system must boot in UEFI Mode to use certain options, including:
• Secure Boot, UEFI Optimized Boot, Generic USB Boot, IPv6 PXE Boot, iSCSI Boot, NVMe Boot
and Boot from URL
Fibre Channel/FCoE Scan Policy
•
NOTE: The boot mode you use must match the operating system installation. If not, changing the boot
mode can impact the ability of the server to boot to the installed operating system.
Prerequisite
When booting to UEFI Mode, leave UEFI Optimized Boot enabled.
Procedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration
(RBSU) > Boot Options > Boot Mode.
2. Select a setting.
UEFI Mode (default)—Configures the system to boot to a UEFI compatible operating
•
system.
Legacy BIOS Mode—Configures the system to boot to a traditional operating system in
•
Legacy BIOS compatibility mode.
3. Save your setting.
4. Reboot the server.
Hitachi Advanced Server HA820 G2 User Guide 172