FRU tests

The following table shows the test for each FRU.

Table 9. FRU tests

FRU

Applicable test

 

 

 

System board

1.

Diagnostics -->CPU/Coprocessor

 

2.

Diagnostics -->Systemboard

 

 

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-1.5)

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 Devices -->

 

Analog Devices HDA CODEC Test

 

 

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

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

 

to Compatibility, and run Diagnostics -->Fixed Disks

 

 

 

Diskette drive

1.

Diagnostics -->Diskette Drives

 

2.

Interactive Tests -->Diskette

 

 

 

DVD drive or

1.

Diagnostics -->Other Devices-->Optical Drive

DVD/CD-RW combo

2.

Interactive Tests -->Optical Drive Test

drive

 

 

 

 

 

Memory

1.

If two DIMMs are installed, remove one of them and run

 

 

Diagnostics -->PM Memory.

 

2.

If the problem does not recur, return the DIMM to its place,

 

 

remove the other one, and run the test again.

 

 

 

Fan

1.

Turn on the computer and check the air turbulence at the

 

 

louver near the PC Card slot.

 

2.

Run Diagnostics -->ThinkPad Devices -->Fan.

 

 

 

54ThinkPad SL400, SL400c, SL500, and SL500c Hardware Maintenance Manual

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Lenovo SL500c, SL400c manual FRU tests

SL400c, SL500c specifications

The Lenovo SL500c and SL400c are part of Lenovo’s ThinkPad series, designed to cater to professionals and users who require reliable performance in a business-oriented laptop. These models are recognized for their blend of practicality, usability, and robust functionality, suitable for both business environments and everyday tasks.

Starting with the SL500c, this model features a 15.4-inch display, which provides ample screen real estate for multitasking and productivity. It is equipped with Intel's Core 2 Duo processors, ensuring efficient performance and responsiveness, making it ideal for robust applications and multitasking scenarios. The SL500c supports a range of RAM configurations, allowing users to choose up to 8GB to fit their specific needs. Additionally, it offers various storage options, including traditional hard drives and solid-state drives, to optimize speed and data retrieval efficiency.

The SL400c, on the other hand, sports a more compact 14.1-inch display, balancing portability with performance. Similar to its sibling, the SL400c is powered by Intel's Core 2 Duo processors, providing the necessary computing power for daily tasks and business applications. The laptop supports up to 4GB of RAM, catering to users who focus on efficiency rather than high-end gaming or graphic-intensive workloads.

Both models embrace Lenovo's reputation for durability, featuring a spill-resistant keyboard and robust chassis design to withstand the rigors of frequent travel. The ThinkPad keyboard is renowned for its tactile feedback, providing an enjoyable typing experience that enhances productivity. Additionally, these laptops incorporate ThinkVantage technologies, including security features like fingerprint readers, and hardware-based encryption to safeguard sensitive data effectively.

Another notable characteristic of the SL500c and SL400c is their extended battery life, providing users with the ability to work on the go without the constant need for charging. Integrated wireless capabilities, such as Wi-Fi and optional 3G/4G connectivity, ensure that users remain connected, whether in the office or on a business trip.

In summary, the Lenovo SL500c and SL400c exemplify a commitment to quality and performance. With their durable designs, effective processing power, and thoughtful business-oriented features, they remain valuable options for professionals seeking reliable computing solutions. These laptops truly represent Lenovo’s dedication to providing technology that meets the demanding requirements of the modern workplace.