Solving undetermined problems

If the diagnostic tests did not diagnose the failure or if the server is inoperative, use the information in this section.

If you suspect that a software problem is causing failures (continuous or intermittent), see “Software problems” on page 158.

Damaged data in CMOS memory or damaged BIOS code can cause undetermined problems. To reset the CMOS data, use the clear CMOS jumper (JP2) to clear the CMOS memory; see “System board jumpers” on page 14. If you suspect that the BIOS code is damaged, see “Updating (flash-update) the BIOS code on the server” on page 232.

Check the LEDs on all the power supplies. If the LEDs indicate that the power supplies are working correctly, complete the following steps:

1.Turn off the server.

2.Make sure that the server is cabled correctly.

3.Remove or disconnect the following devices, one at a time, until you find the failure. Turn on the server and reconfigure it each time.

v Any external devices.

vSurge-suppressor device (on the server).

vModem, printer, mouse, and non-Lenovo devices.

vEach adapter.

vHard disk drives.

vMemory modules. The minimum configuration requirement is one 512 MB DIMM on the system board.

vService processor.

The following minimum configuration is required for the server to start:

vOne microprocessor

vOne 512 MB DIMM on the system board

vOne power supply

vPower cord

vPower backplane

vSystem board

4.Turn on the server. If the problem remains, suspect the following components in the following order:

a.System board

b.Memory module

c.Microprocessor

d.SAS/SATA controller

If the problem is solved when you remove an adapter from the server but the problem recurs when you reinstall the same adapter, suspect the adapter; if the problem recurs when you replace the adapter with a different one, suspect the system board or SAS/SATA controller.

If you suspect a networking problem and the server passes all the system tests, suspect a network cabling problem that is external to the server.

Chapter 5. Diagnostics 245

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Lenovo 6431, TS100, 6434, 6432, 6433 manual Solving undetermined problems

TS100, 6433, 6432, 6431, 6434 specifications

Lenovo is renowned for its innovative and high-performance technology, and the Lenovo 6434, 6431, 6432, 6433, and TS100 models exemplify this reputation with a range of features tailored for various user needs.

The Lenovo 6434 is designed for versatility, targeting both business and casual users. It features a powerful processor that enhances performance, making it ideal for multitasking and demanding applications. The device is equipped with an impressive display, offering vibrant colors and sharp visuals, perfect for presentations and media consumption.

Moving to the Lenovo 6431, this model focuses on portability without sacrificing performance. Weighing less than its counterparts, it is perfect for professionals on the go. Its battery life is optimized for extended use, allowing users to work throughout the day without interruptions. With robust connectivity options, including USB-C and HDMI ports, this laptop ensures seamless integration with other devices.

The Lenovo 6432 caters to gamers and multimedia enthusiasts with enhanced graphics capabilities. It incorporates a dedicated graphics card that greatly improves frame rates and rendering quality, making gaming and graphic-intensive applications run smoothly. The cooling system is also upgraded in this model, ensuring that the laptop remains efficient even during intense usage.

Lenovo 6433 is crafted with a focus on durability and security. Its chassis is built from reinforced materials that withstand daily wear and tear. Additionally, this model features advanced security features, including a fingerprint reader and a webcam privacy shutter, to protect users' sensitive information.

Finally, the TS100 is tailored for educational settings and budget-conscious consumers. It offers solid performance for everyday tasks, such as web browsing and document editing. Its lightweight design makes it perfect for students carrying their laptops to class, and it includes a spill-resistant keyboard to account for the unpredictable nature of the school environment.

Overall, the Lenovo 6434, 6431, 6432, 6433, and TS100 encompass a variety of features and technologies suited for different user groups, establishing Lenovo's commitment to quality and innovation in the computing sphere. Whether for business, gaming, education, or everyday use, these models offer a balance of performance, portability, and security.