User Manual

Updating the UEFI BIOS

The UEFI BIOS is the first program that the computer runs when the computer is turned on. The UEFI BIOS

initializes the hardware components, and loads the operating system and other programs.

When you install a new program, device driver, or hardware component, you might be informed to update

the UEFI BIOS. You can update the UEFI BIOS by starting your computer from a flash update disc or a flash

update program running in the Windows environment.

The requirements for flash update are as follows:

• The computer must be started over LAN.

• The computer must be engaged in the Preboot eXecution Environment (PXE).

• A network-management program must be installed on the computer of the network administrator.

For instructions on how to update the UEFI BIOS, go to

http://www.lenovo.com/support.

BIOS menu

This topic introduces the following BIOS menus of your computer:

• Main menu

• Config menu

• Date/Time menu

• Security menu

• Startup menu

• Restart menu

Note: Depending on the model and operating system, the menu items and the default value might change

without notice.

Main menu

When you enter the ThinkPad Setup program, you first see the Main menu as follows:

Note: The BIOS menu items might change without notice. Depending on the model, the default value might

vary.

• UEFI BIOS Version

• UEFI BIOS Date

• Embedded Controller Version

• ME Firmware Version

• Machine Type Model

• System-unit serial number

• System board serial number

• Asset Tag

• CPU Type

• CPU Speed

• Installed Memory

• UUID

• MAC Address (Internal LAN)

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