FRU tests

The following table shows the test for each FRU.

Table 1. FRU tests

FRU

Applicable test

 

 

 

System board

1.

Diagnostics -->CPU/Coprocessor

 

2.

Diagnostics -->Systemboard

 

3.

If the docking station or the port replicator is attached to the

 

 

ThinkPad computer, detach it. Place the computer on a

 

 

horizontal surface, and run Diagnostics --> ThinkPad Devices

 

 

-->HDD Active Protection Test.

 

 

Note: Do not apply any physical shock to the computer while

 

 

the test is running.

 

 

Power

Diagnostics -->ThinkPad Devices -->AC Adapter, Battery 1

 

(Battery2)

 

 

 

LCD unit

1.

Diagnostics -->Video Adapter

 

2.

Interactive Tests -->Video

 

 

Modem daughter card

1. Make sure the modem is set up correctly.

(MDC-3.0)

2.

Replace the modem jack and the modem card in turn, and run

 

 

the following tests in Diagnostics --> Communication:

 

 

a. Conexant Smart Modem Interrupt

 

 

b. Conexant Smart Modem Dialtone

 

 

Audio

Enter the BIOS Setup Utility and change Serial ATA (SATA) setting

 

to Compatibility, and run Diagnostics -->Other Device -->

 

Conexant Audio

 

 

Speaker

Interactive Tests -->Internal Speaker

 

Note: Once Modem/Audio test is done, the no sound is heard

 

this test. In this case, turn off and turn on the computer. Then, run

 

this test again.

 

 

PC Card slot

Diagnostics -->Systemboard -->PCMCIA

 

 

ExpressCard slot

1. Insert a PCI-Express/USB Wrap card into the ExpressCard slot.

 

2.

Turn on the computer.

 

3.

Run Diagnostics -->ThinkPad Devices -->ExpressCard slot.

 

 

 

Keyboard

1.

Diagnostics -->Systemboard -->Keyboard

 

2.

Interactive Tests -->Keyboard

 

 

Hard disk drive or

Enter the BIOS Setup Utility and change Serial ATA (SATA) setting

solid state drive

to Compatibility, and run Diagnostics -->Fixed Disks

 

 

 

You can also diagnose the hard disk drive without starting up the

 

operating system. To diagnose the hard disk drive from the BIOS

 

Setup Utility, do as follows:

 

1.

Remove any diskette from the diskette drive, and then turn off

 

 

the computer.

 

2.

Turn on the computer.

 

3.

While the message, “To interrupt normal startup, press the

 

 

blue ThinkVangate button,” is displayed at the lower left of the

 

 

screen, press F1 to enter the BIOS Setup Utility.

 

4.

Using cursor keys, select HDD diagnostic program. Press

 

 

enter.

 

5.

Using cursor keys, select Main hard disk drive or Ultrabay

 

 

hard disk drive.

 

6.

Press Enter to start the diagnostic program.

 

 

 

Diskette drive

1.

Diagnostics -->Diskette Drives

 

2.

Interactive Tests -->Diskette

 

 

 

50ThinkPad T400 and R400 Hardware Maintenance Manual

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Lenovo R400 manual FRU tests

R400 specifications

The Lenovo R400 is a business laptop that was designed for professionals seeking a balance of performance, durability, and mobility. It is part of Lenovo's renowned ThinkPad series, which is known for its robust build quality and user-centric features. The R400 combines an array of technologies and characteristics that cater specifically to the demands of the modern workplace.

One of the standout features of the Lenovo R400 is its powerful processor options. Depending on the configuration, it can be equipped with Intel Core 2 Duo processors, which provide efficient multitasking capabilities and commendable performance for typical business applications. This ensures that users can run multiple applications seamlessly, whether it’s for data analysis, presentations, or video conferencing.

In terms of design, the R400 maintains the classic ThinkPad aesthetic with a lightweight chassis that makes it portable for professionals on the go. It typically weighs around 5.2 pounds, making it convenient for travel while still offering a sturdy construction that can withstand daily use. The spill-resistant keyboard is another practical characteristic, enabling users to work without worrying about minor accidents. The keyboard itself is celebrated for its comfortable layout and tactile feedback, ideal for prolonged typing sessions.

The display is another critical aspect of the R400. It generally features a 14.1-inch widescreen model, providing adequate screen real estate for productivity tasks. With a resolution of 1440 x 900, the screen delivers crisp visuals and vibrant colors, enhancing the viewing experience for both presentations and media consumption.

Connectivity is robust, with multiple USB ports, Ethernet, and optional Bluetooth capabilities that facilitate seamless communication and file transfers. The presence of both VGA and display port outputs makes it easy to connect to projectors or external monitors, an essential feature for professional presentations.

Security features also play a crucial role in the R400's design. It typically offers features like a fingerprint reader, a Trusted Platform Module (TPM) for data encryption, and a robust BIOS that helps safeguard sensitive information, which is critical for professionals handling confidential data.

In summary, the Lenovo R400 stands out as a reliable business laptop, blending performance, durability, and features tailored to meet the needs of the modern workforce. Its powerful processing capabilities, user-friendly design, and robust security measures make it an attractive choice for professionals requiring a dependable and efficient mobile computing solution.