Table 2. Numeric error codes (continued)

Symptom or error

FRU or action, in sequence

 

 

 

0250

1.

Charge the backup battery for more

System battery error—System battery is

 

than 8 hours by connecting the ac

dead.

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

 

 

0251

1.

Charge the backup battery for more

System CMOS checksum bad— Default

 

than 8 hours by connecting the ac

configuration used.

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

 

0252

Reset the password by running BIOS Setup

Password checksum bad—The password is

Utility.

cleared.

 

 

 

 

 

0260

1.

Charge the backup battery for more

System timer error.

 

than 8 hours by connecting the ac

 

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

3.

System board.

 

 

 

0270

1.

Charge the backup battery for more

Real-time clock error.

 

than 8 hours by connecting the ac

 

 

adapter.

 

2.

Replace the backup battery and run BIOS

 

 

Setup Utility to reset the time and date.

 

3.

System board.

 

 

0271

Run BIOS Setup Utility to reset the time

Date and time error—Neither the date nor

and date.

the time is set in the computer.

 

 

 

 

 

0280

1.

Load “Setup Default” in BIOS Setup

Previous boot incomplete— Default

 

Utility.

configuration used.

2.

DIMM.

 

3.

System board.

 

 

 

02F0

1.

CPU.

CPU ID:xx Failed.

2.

System board.

 

 

 

02F4

1.

Load Setup Defaults in BIOS Setup

EISA CMOS not writable.

 

Utility.

 

2.

Replace the backup battery.

 

3.

System board.

 

 

 

02F5

1.

DIMM.

DMA test failed.

2.

System board.

 

 

 

02F6

1.

DIMM.

Software NMI failed

2.

System board.

 

 

 

02F7

1.

DIMM.

Fail-safe timer NMI failed

2.

System board.

 

 

 

1802

1.

Remove Mini PCI network card.

Unauthorized network card is plugged

2.

System board.

in—Turn off and remove the miniPCI

 

 

network card.

 

 

 

 

 

1803

1.

Remove the daughter card that you

Unauthorized daughter card is plugged

 

installed.

in—Turn off and remove the daughter card.

2.

System board.

 

 

 

64ThinkPad T400 and R400 Hardware Maintenance Manual

Page 72
Image 72
Lenovo R400 Than 8 hours by connecting the ac, Adapter, Charge the backup battery for more, Utility, Date, 02F0, 02F5

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.