Lenovo X131E manual Startup menu items continued

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