Lenovo ThinkPad T420si (English) User Guide - Page 187

Startup menu items, If you select UEFI Only

Page 187 highlights

Table 6. Security menu items (continued) Anti-Theft Intel AT Module Activation • Disabled • Enabled • Permanently Disabled Computrace Module Activation • Disabled • Enabled • Permanently Disabled Enable or disable the UEFI BIOS interface to activate Intel AT module that is an optional Anti-Theft service from Intel. Note: If you set the Intel AT module activation to "Permanently Disabled", you will be unable to enable this setting again. Enable or disable the UEFI BIOS interface to activate Computrace module. Computrace is an optional monitoring service from Absolute Software. Note: If you set the Computrace module activation to "Permanently Disabled", you will be unable to enable this setting again. Startup menu items Table 7. Startup menu items Menu item Boot Network Boot UEFI/Legacy Boot UEFI/Legacy Boot Priority Boot Mode Selection • Both • UEFI Only • Legacy Only • UEFI First • Legacy First • Quick • Diagnostics Note: You can also enter the "Diagnostic" mode by pressing Esc during POST. Comments Refer to "Startup menu" on page 160. Refer to "Startup menu" on page 160. Select system boot capability. • Both: System will boot by following UEFI/Legacy Boot Priority setting. • UEFI Only: System will boot from UEFI enabled OS. • Legacy Only: System will boot from any OS other than UEFI enabled OS. Note: If you select "UEFI Only", system cannot boot from the bootable devices which do not have UEFI enabled OS. Select priority of boot option between UEFI and Legacy. Screen during POST: • Quick: ThinkPad Logo screen is displayed. • Diagnostics: Test messages are displayed. Chapter 8. Advanced configuration 171

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Table 6. Security menu items (continued)
Intel AT Module Activation
Disabled
Enabled
Permanently Disabled
Enable or disable the UEFI
BIOS interface to activate
Intel AT module that is an
optional Anti-Theft service
from Intel.
Note:
If you set the Intel
AT module activation to
“Permanently Disabled”,
you will be unable to enable
this setting again.
Anti-Theft
Computrace Module
Activation
Disabled
Enabled
Permanently Disabled
Enable or disable the UEFI
BIOS interface to activate
Computrace module.
Computrace is an optional
monitoring service from
Absolute Software.
Note:
If you set the
Computrace module
activation to “Permanently
Disabled”, you will be
unable to enable this
setting again.
Startup menu items
Table 7. Startup menu items
Menu item
Selection
Comments
Boot
Refer to “Startup menu” on page 160.
Network Boot
Refer to “Startup menu” on page 160.
UEFI/Legacy Boot
Both
UEFI Only
Legacy Only
Select system boot capability.
Both
: System will boot by
following
UEFI/Legacy Boot
Priority
setting.
UEFI Only
: System will boot from
UEFI enabled OS.
Legacy Only
: System will boot
from any OS other than UEFI
enabled OS.
Note:
If you select “UEFI Only”,
system cannot boot from the
bootable devices which do not have
UEFI enabled OS.
UEFI/Legacy Boot Priority
UEFI First
Legacy First
Select priority of boot option between
UEFI and Legacy.
Boot Mode
Quick
Diagnostics
Note:
You can also enter the
“Diagnostic” mode by pressing Esc
during POST.
Screen during POST:
Quick
: ThinkPad Logo screen is
displayed.
Diagnostics
: Test messages are
displayed.
Chapter 8
.
Advanced configuration
171