Table 6. Startup menu items (continued)

Menu item

Selection

Comments

 

 

 

 

 

UEFI/Legacy Boot

Both

 

Select system boot capability.

 

 

UEFI/Legacy Boot Priority

Both: Select priority of boot

 

 

UEFI First

 

options between UEFI and Legacy.

 

 

UEFI Only: The system will boot

 

 

Legacy First

 

 

 

from the UEFI enabled operating

 

UEFI Only

 

 

 

system.

 

Legacy Only

Legacy Only: The system will boot

 

CSM Support (for UEFI Only)

 

from any operating system other

 

 

than the UEFI enabled one.

 

Yes

 

Note: If you select UEFI Only,

 

No

 

 

 

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.

 

 

 

 

Boot Mode

Quick

Screen during POST:

 

Diagnostics

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.

 

 

 

 

 

 

Chapter 7. Advanced configuration 101

Page 117
Image 117
Lenovo X131E Menu item Selection Comments UEFI/Legacy Boot Both, UEFI/Legacy Boot Priority, Legacy First, Yes, Quick No