Lenovo ThinkPad Edge E145 User Manual page 108

Notes:
• Some items are displayed on the menu only if the computer supports the corresponding features.
• Default values are in boldface.
Table 6. Startup menu items
Menu item
Boot
Network Boot
UEFI/Legacy Boot
Boot Mode
Option Key Display
92
User Guide
Selection
• USB CD
• USB FDD
• ATA HDD0
• USB HDD
• PCI LAN: Realtek PXE09 D00
• Both
• UEFI Only
• Legacy Only
UEFI/Legacy Boot Priority
• UEFI First
• Legacy First
CSM Support (for UEFI Only)
• No
• Yes
• Quick
• Diagnostics
• Disabled
• Enabled
Comments
Refer to "Changing the startup
sequence" on page 91.
Refer to "Boot submenu" on page 91.
Select system boot capability.
• Both: The system will boot
following the UEFI/Legacy Boot
Priority setting.
• UEFI Only: The system will boot
from the UEFI enabled operating
system.
• Legacy Only: The system will boot
from any operating system other
than the UEFI enabled one.
Note: If you select UEFI Only,
the system cannot boot from the
bootable devices that do not have the
UEFI enabled operating system.
Compatibility Support Module (CSM)
is required for booting the legacy
operating system. If you select UEFI
Only, CSM Support is selectable.
For Both or Legacy Only mood, CSM
Support is not selectable.
If you select Quick, the diagnostic
screen will not be displayed unless
you press the Esc key during boot.
If you select Diagnostics, the
diagnostic screen will always be
displayed during boot.
If you select Disabled, then the
message "To interrupt normal startup,
press Enter" is not displayed during
the POST.