Table 7. Security menu items (continued)

Menu item

Submenu item

Selection

Comments

 

 

 

 

 

 

Clear Security Chip

Enter

Clear the encryption key.

 

 

 

 

Note: Only if you select

 

 

 

 

“Active” for Security Chip,

 

 

 

 

this item appears.

 

 

 

 

 

 

Intel TXT Feature

Disabled

Enable or disable Intel

 

 

Enabled

Trusted Execution

 

 

Technology.

 

 

 

 

 

 

 

 

 

UEFI BIOS Update Option

Flash BIOS Updating by

Disabled

If you select “Enabled”,

 

End-Users

Enabled

all users can update the

 

 

UEFI BIOS. If you select

 

 

 

 

 

 

 

 

“Disabled”, only the person

 

 

 

 

who knows supervisor

 

 

 

 

password can update the

 

 

 

 

UEFI BIOS.

 

 

 

 

 

 

Flash Over LAN

Disabled

Enable your computer's

 

 

Enabled

UEFI BIOS to be updated

 

 

(flashed) over an active

 

 

 

 

 

 

 

 

network connection.

 

 

 

 

 

Memory Protection

Execution Prevention

Disabled

Some computer viruses

 

 

Enabled

and worms cause 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 an application

 

 

 

 

program does not run

 

 

 

 

correctly, select “Disabled”

 

 

 

 

and reset the setting.

 

 

 

 

 

Virtualization

Intel Virtualization

Disabled

If you select “Enabled,”

 

Technology

Enabled

a VMM (Virtual Machine

 

 

Monitor) can utilize the

 

 

 

 

 

 

 

 

additional hardware

 

 

 

 

capabilities provided

 

 

 

 

by Intel Virtualization

 

 

 

 

Technology.

 

 

 

 

 

 

Intel VT-d Feature

Disabled

Intel VT-d is Intel

 

 

Enabled

Virtualization Technology

 

 

for Directed I/O. When

 

 

 

 

 

 

 

 

enabled, a VMM can utilize

 

 

 

 

the platform infrastructure

 

 

 

 

for I/O virtualization.

 

 

 

 

 

194User Guide

Page 212
Image 212
Lenovo X220-4287, X220I TABLET, X220 TABLET, 42872W5, 42875TU, 4290WFZPC10D518, 42912XU, 429133U manual Uefi Bios Update Option

4291BR6PC10B616, 42875TU, 428742U, 4294CTO, X220-4287 specifications

Lenovo's X220i, X220i Tablet, and their respective models such as 42872W5, 42912XU, and 429133U are part of the ThinkPad series, renowned for their reliability, performance, and innovative features tailored for both business and personal use. The X220i and X220i Tablet stand out in the ultrabook category, offering a perfect balance between portability and functionality, making them ideal for professionals on the go.

The X220i features a 12.5-inch display, which delivers vibrant visuals and clear text, ensuring users can work efficiently in various lighting conditions. The display options may include HD resolutions with anti-glare technology, minimizing reflections and enhancing visibility. The X220i Tablet takes portability a step further by incorporating touchscreen capabilities, allowing for a more interactive experience, which is particularly useful for presentations and drawing applications.

Under the hood, both models are powered by Intel Core processors, providing solid performance for multitasking and demanding applications. The X220i comes with options for up to 8GB of RAM, ensuring smooth operation even when handling multiple applications simultaneously. Storage options typically include fast SSDs, which not only enhance boot times but also improve file access speeds, contributing to overall responsiveness.

A key feature of the ThinkPad series is its exceptional build quality. The X220i and X220i Tablet are constructed with durable materials, including magnesium alloy and reinforced hinges, designed to withstand the rigors of daily use. Additionally, they are tested against military specifications, ensuring reliability in challenging conditions.

Connectivity options are extensive, featuring USB 3.0 ports, a VGA port, and HDMI, allowing users to connect to various peripherals and external displays. Advanced wireless connectivity options such as Wi-Fi and Bluetooth enable seamless communication and file sharing.

Battery life is another area where the X220i series excels. The laptops are designed to last an extended period on a single charge, often exceeding 8 hours, making them suitable for long workdays without the need for a power outlet.

In conclusion, the Lenovo X220i, X220i Tablet, and their variants like 42872W5, 42912XU, and 429133U are exemplary devices that blend portability, performance, and durability. Ideal for professionals and students alike, these devices cater to a range of computing needs while maintaining a compact and lightweight profile.