•Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite.

•If a system board is dropped, you must test it, using PC-Doctor for DOS, to make sure that the HDD Active Protection System™ still functions.

Note: If the test shows that the HDD Active Protection System is not functioning, be sure to document the drop in a reject report, and replace the system board.

•Avoid rough handling of any kind.

•At every point in the process, be sure not to drop or stack the system board.

•If you put a system board down, be sure to put it only on a padded surface such as an ESD mat or a corrugated conductive surface.

After replacing the system board, run PC-Doctor for DOS to make sure that the HDD Active Protection System still functions. The procedure is as follows:

1.Place the computer on a horizontal surface.

2.Run Diagnostics ➙ ThinkPad Devices ➙ HDD Active Protection Test. Attention: Do not apply physical shock to the computer while the test is running.

For access, remove these FRUs in order:

•“1010 Digitizer pen” on page 61

•“1020 Battery pack” on page 61

•“1050 Hinge caps” on page 66

•“1060 Keyboard” on page 67

•“1070 Palm rest” on page 70

•“1090 PCI Express Mini Card for wireless LAN/WiMAX” on page 74

•“1100 PCI Express Mini Card for wireless WAN” on page 76

•“1110 Bluetooth daughter card (BDC-2.1)” on page 78

•“1120 Keyboard bezel” on page 79

•“1130 LCD assembly” on page 82

•“1140 DC-in connector, base cover, fan, digitizer pen case, and pen switch assembly” on page 85

Table 23. Removal steps of system board and ExpressCard slot assembly

The following components soldered on the system board are extremely sensitive. When you service the system board, avoid any kind of rough handling.

b

Platform Controller Hub (PCH)

CPU

Accelerometer chip for the HDD Active Protection System

90ThinkPad X220 Tablet and X220i Tablet Hardware Maintenance Manual

Page 95 Page 97
Page 96
Image 96
Lenovo X220I manual Removal steps of system board and ExpressCard slot assembly
Page 95 Page 97

X220I 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.
Top Page Image Contents