Lenovo ThinkPad Yoga 11e (English) User Guide - Page 86

UEFI/Legacy Boot, Option Key Display

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Table 6. Startup menu items Menu item Boot Network Boot UEFI/Legacy Boot Boot Mode Option Key Display Value • USB CD • USB FDD • ATA HDD0 • USB HDD • PCI LAN-xxxxxxxxxx • PCI LAN • USB CD • USB FDD • ATA HDD0 • USB HDD • PCI LAN • Both - UEFI/Legacy Boot Priority - UEFI First - Legacy First • UEFI Only • Legacy Only CSM Support (for UEFI Only) • Yes • No • Quick • Diagnostics • Disabled • Enabled Comments Select the boot device when you press the power button to turn on the computer. Select the boot device when the computer wakes from LAN. If PCI LAN is enabled, a network administrator can turn on all of the computers in a LAN remotely by use of network management software. Select system boot capability. • Both: Select priority of boot options between UEFI and Legacy. • UEFI Only: The system will start from the UEFI-enabled operating system. • Legacy Only: The system will start from any operating system other than the UEFI-enabled one. Note: If you select UEFI Only, the computer cannot start from the bootable devices that do not have the UEFI enabled operating system. Compatibility Support Module (CSM) is required for starting the legacy operating system. If you select UEFI Only, CSM Support is selectable. For Both or Legacy Only mode, CSM Support is not selectable. Screen during the POST: • Quick: The ThinkPad logo screen is displayed. • Diagnostics: Text messages are displayed. Note: You also can enter the Diagnostic mode by pressing Esc during the POST. If you select Disabled, the message "To interrupt normal startup, press Enter." will not be displayed during the POST. 70 User Guide

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Table 6. Startup menu items
Menu item
Value
Comments
Boot
USB CD
USB FDD
ATA HDD0
USB HDD
PCI LAN-xxxxxxxxxx
PCI LAN
Select the boot device when you
press the power button to turn on the
computer.
Network Boot
USB CD
USB FDD
ATA HDD0
USB HDD
PCI LAN
Select the boot device when the
computer wakes from LAN. If
PCI LAN
is enabled, a network
administrator can turn on all of the
computers in a LAN remotely by use
of network management software.
UEFI/Legacy Boot
Both
UEFI/LegacyBootPriority
UEFI First
Legacy First
UEFI Only
Legacy Only
CSMSupport
(for UEFI Only)
Yes
No
Select system boot capability.
Both
: Select priority of boot
options between UEFI and Legacy.
UEFI Only
: The system will start
from the UEFI-enabled operating
system.
LegacyOnly
: The system will start
from any operating system other
than the UEFI-enabled one.
Note:
If you select
UEFI Only
, the
computer cannot start from the
bootable devices that do not have the
UEFI enabled operating system.
Compatibility Support Module (CSM)
is required for starting the legacy
operating system. If you select
UEFI
Only
,
CSM Support
is selectable.
For
Both
or
LegacyOnly
mode,
CSM
Support
is not selectable.
Boot Mode
Quick
Diagnostics
Screen during the POST:
Quick
: The ThinkPad logo screen
is displayed.
Diagnostics
: Text messages are
displayed.
Note:
You also can enter the
Diagnostic
mode by pressing Esc
during the POST.
Option Key Display
Disabled
Enabled
If you select
Disabled
, the message
“To interrupt normal startup, press
Enter.” will not be displayed during
the POST.
70
User Guide