a. UEFI Mode—Configures the system to boot to a UEFI compatible operating system.
b. Legacy BIOS Mode—Configures the system to boot to a traditional operating system in Legacy BIOS
compatibility mode.
3. Press F10.
4. Reboot the server.
UEFI Optimized Boot
Use this option to control whether the system BIOS boots using native UEFI graphic drivers. Leave it enabled
for compatibility with VMware ESXi on a system configured for UEFI Boot Mode, and to enable and use
Secure Boot Mode.
Before changing this setting, consider the following:
• If you are running Microsoft Windows 2008 or Windows 2008 R2 operating systems, and the system is
configured for UEFI Boot Mode, this option must be set to disabled. Legacy BIOS Mode components are
needed for video operations in Windows.
• Boot Mode must be set to UEFI Mode when this option is enabled.
• This option must be enabled to:
Enable and use Secure Boot.
Operate VMware ESXi.
Enabling or disabling UEFI Optimized Boot
Procedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration
(RBSU) > Boot Options > UEFI Optimized Boot and press Enter.
2. Select an option and press Enter.
a. Enabled—Configures the system BIOS to boot using native UEFI graphic drivers.
b. Disabled—Configures the system BIOS to boot using INT10 legacy video expansion ROM.
3. Press F10.
Boot Order Policy
Use this option to control the system behavior when attempting to boot devices per the UEFI Boot Order list
and no bootable device is found.
58 UEFI Optimized Boot