ThinkPad X140e User Manual page 105

Table 6. Startup menu items (continued)
Menu item
Boot Mode
Option Key Display
Boot Device List F12 Option
Boot Order Lock
Selection
• Quick
• Diagnostics
• Disabled
• Enabled
• Disabled
• Enabled
• Disabled
• Enabled
Comments
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 mode, CSM
Support is not selectable.
Screen during POST:
• Quick: The ThinkPad logo screen
is displayed.
• Diagnostics: Test messages are
displayed.
Beep at POST completion:
• Quick: No. Sounds on error cases
only.
• Diagnostics: Yes. Always sounds.
"Ctrl-S" prompt for on-board
Ethernet:
• Quick: No.
• Diagnostics: Yes.
Memory testing during POST:
• Quick: Quick test (or no test).
• Diagnostics: Full test.
Testing other devices during POST:
• Quick: Minimum test (or no test).
• Diagnostics: Can perform
necessary testing for critical
devices.
Note: You also can enter the
Diagnostic mode by pressing Esc
during the POST.
If you select Disabled, then the
message "To interrupt normal startup,
press Enter." is not displayed during
the POST.
If you select Enabled, the F12 key
is recognized and the Boot Menu is
displayed.
If you select Disabled, your computer
will boot using the default priority. If
you select Enabled, your computer
will boot using the priority you have
customized.
.
Chapter 7 Advanced configuration
89