Lenovo Flex System x440 Compute Node Installation And Service Manual page 40

Select this choice to view or change Active Energy Manager (AEM) power capping to control power
consumption and microprocessor performance states.
– Boot Modes
Select this choice to view or change the boot settings. You can set the boot mode and choose UEFI
operating system support only, legacy (BIOS) operating system support only, or UEFI and legacy
operating system support.
Note: If you select the legacy only boot mode (which makes boot time much faster), you will not be
able to activate any feature on demand (FoD) keys.
– Operating Modes
Select this choice to determine operational settings, such as operating mode (acoustic, efficiency, or
performance) and memory speed.
– Legacy Support
Select this choice to view or set legacy support.
Notes: In the legacy mode, the system has limited ROM space for installed options. Legacy PXE boot
supports up to four network interface card (NIC) ports. If more than four NIC ports are occupied, legacy
PXE boot will not be attempted on the fifth NIC port and following ports. There are two ways to enable
legacy PXE boot on the desired NIC ports:
1. Prioritize the desired NIC connectors by changing the ROM execution Order.
– The path to ROM execution Order: Main menu>System Settings>Devices and I/O
Ports>Set Option ROM Execution Order>ROM execution Order
2. Disable the NIC connector's legacy option ROM that you do not use from the Enable/Disable
Adapter Option ROM Support menu to prioritize the desired NIC port to be 4 functional ports.
– The path to Enable/Disable Adapter Option ROM Support: Main menu>System
Settings>Devices and I/O Ports>Enable/Disable Adapter Option ROM support
– Force Legacy Video on Boot
Select this choice to enable or disable force INT video support, if the operating system does not
support UEFI video output standards. The default is Enable.
– Rehook INT
Select this choice to enable or disable devices from taking control of the boot process. The default is
Disable.
– Legacy Thunk Support
Select this choice to enable or disable UEFI to interact with PCI mass storage devices that are non-
UEFI compliant. The default is Enable.
– Infinite Boot Retry
Select this choice to enable or disable UEFI to infinitely retry the legacy boot order.
– Non-Planar PXE
Select this choice to enable or disable non-system-board PXE for legacy mode.
– System Security
Select this option to view or change the following system security configuration.
– Physical Presence Policy Configuration
Select this choice to choose from the following Physical Presence Policy options.
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