Table 5. Security menu items (continued)

Menu item

Submenu item

Value

Comments

 

 

 

 

 

 

Physical Presence for

Disabled

This option enables or disables the confirmation

 

Clear

Enabled

message when you clear the security chip.

 

 

 

 

 

 

 

 

UEFI BIOS

Flash BIOS Updating

Disabled

If you select Enabled, all users can update the

Update Option

by End-Users

Enabled

UEFI BIOS. If you select Disabled, only the

 

 

person who knows the supervisor password can

 

 

 

 

 

 

 

 

update the UEFI BIOS.

 

 

 

 

 

 

Secure RollBack

Disabled

If you select Disabled, you can flash to the

 

Prevention

Enabled

previous version of UEFI BIOS. If you select

 

 

Enabled, you cannot flash to the previous version

 

 

 

 

 

 

 

 

of UEFI BIOS.

 

 

 

 

 

Memory

Execution Prevention

Disabled

Some computer viruses and worms cause

Protection

 

Enabled

memory buffers to overflow by running code

 

 

where only data is allowed. If the Data Execution

 

 

 

 

 

 

 

 

Prevention feature can be used with your

 

 

 

 

operating system, then by selecting Enabled

 

 

 

 

you can protect your computer against attacks

 

 

 

 

by such viruses and worms. If after choosing

 

 

 

 

Enabled you find that a program does not run

 

 

 

 

correctly, select Disabled and reset the setting.

 

 

 

 

 

Virtualization

Intel Virtualization

Disabled

If you select Enabled, a Virtual Machine Monitor

 

Technology

Enabled

(VMM) can utilize the additional hardware

 

 

capabilities provided by Intel Virtualization

 

 

 

 

 

 

 

 

Technology.

 

 

 

 

 

 

Intel VT-d Feature

Disabled

Intel VT-d is Intel Virtualization Technology for

 

 

Enabled

Directed I/O. When enabled, a VMM can utilize

 

 

the platform infrastructure for I/O virtualization.

 

 

 

 

 

 

 

 

 

I/O Port Access

Ethernet LAN

Disabled

If you select Enabled, you can use the Ethernet

 

 

Enabled

LAN device.

 

 

 

 

 

 

 

 

 

WiMAX

Disabled

If you select Enabled, you can use the WiMAX

 

 

Enabled

device.

 

 

 

 

 

 

 

 

 

Wireless WAN

Disabled

If you select Enabled, you can use the Wireless

 

 

Enabled

WAN device.

 

 

 

 

 

 

 

 

 

Bluetooth

Disabled

If you select Enabled, you can use Bluetooth

 

 

Enabled

devices.

 

 

 

 

 

 

 

 

 

USB Port

Disabled

If you select Enabled, you can use USB

 

 

Enabled

connectors.

 

 

 

 

 

 

 

 

 

Ultrabay (HDD/Optical)

Disabled

If you select Enabled, you can use Ultrabay

 

 

Enabled

Enhanced devices.

 

 

 

 

 

 

 

 

 

eSATA Port

Disabled

If you select Enabled, you can use the eSATAPort.

 

 

Enabled

 

 

 

 

 

 

 

Memory Card Slot

Disabled

If you select Enabled, you can use the memory

 

 

Enabled

card slots.

 

 

 

 

 

 

 

 

 

Smart Card Slot

Disabled

If you select Enabled, you can use the smart

 

 

Enabled

card slot.

 

 

 

 

 

 

 

 

102User Guide

Page 118
Image 118
Lenovo T431s, 20AA000BUS, 20AA000MUS manual Uefi Bios

20AA, T431s, 20AA000MUS, 20AA000BUS specifications

The Lenovo ThinkPad series has long been a favorite among business professionals and tech enthusiasts alike, and the Lenovo 20AA000BUS, 20AA000MUS, and T431s models exemplify the brand's commitment to innovation, performance, and rugged design. These laptops are designed for enterprise users who require reliability and versatility in their everyday tasks.

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