1.Hold the system board battery 1 and position one side of the battery into its socket. Then, press the other side of the battery until it snaps into place.

Figure 32. Installing the system board battery

2. Make sure that the battery clip holds the battery securely.

What to do next:

•To work with another piece of hardware, go to the appropriate section.

•To complete the installation, go to “Completing the parts replacement” on page 71. You need to use the Setup Utility program and reset the configuration, such as the system date and time and passwords. See “Starting the Setup Utility program” on page 76 for details.

Removing or installing the RAID controller

This section provides instructions on how to remove or install the RAID controller.

Removing the RAID controller

Attention: Do not open your server or attempt any repair before reading and understanding the “Safety information” on page iii and “Guidelines” on page 19.

This section provides instructions on how to remove the RAID controller if your server has one installed.

Notes:

1.Use any documentation that comes with the RAID controller and follow those instructions in addition to the instructions in this section.

2.Your RAID controller might look slightly different from the illustration in this section.

3.When you disconnect the power source from the server, you lose the ability to view the LEDs because the LEDs are not lit when the power source is removed. Before you disconnect the power source, make a note of which LEDs are lit, including the LEDs that are lit on the front control panel.

The RAID controller is installed on the riser card assembly. To remove the RAID controller, do the following:

1.Remove all media from the drives and turn off all attached devices and the server. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the server.

2.Remove the server cover. See “Removing the server cover” on page 21.

3.Press the tabs on both sides of the connectors on the signal cables towards each other and remove the cables from the RAID controller.

4.Disconnect any other cables from the RAID controller or any cables that impede access to the riser card assembly.

5.Remove the riser card assembly together with the installed RAID controller. See “Removing the riser card assembly” on page 36.

6.Remove the screw that secures the RAID controller 1 . Then grasp the RAID controller by its edges and gently slide the RAID controller out of the riser card assembly 2 .

Chapter 5. Installing, removing, or replacing hardware 43

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Lenovo 1048, 1046, 1047, 1045 manual Removing or installing the RAID controller, Removing the RAID controller
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1048, 1045, 1046, 1047 specifications

Lenovo has been a leading name in the PC industry, offering a diverse range of laptops designed to meet various computing needs. Among its popular models are the Lenovo 1047, 1046, 1045, and 1048, each catering to different segments of users with distinct features, technologies, and characteristics.

The Lenovo 1047 series is known for its robust performance and user-friendly design. It often comes equipped with the latest Intel or AMD processors, ensuring efficient handling of multitasking and heavy applications. This model typically features a Full HD display, providing users with a crisp and vibrant viewing experience, whether for work, gaming, or media consumption. The build quality is commendable, using premium materials that ensure durability while maintaining a sleek aesthetic.

Moving to the Lenovo 1046, this variant often focuses more on portability without compromising performance. Featuring a lightweight design, it is an ideal option for students and professionals who are constantly on the go. The battery life in the 1046 is typically enhanced, allowing users to work or stream content for extended periods without needing to recharge frequently. Additionally, this model may include features such as fast Wi-Fi connectivity and USB-C ports for versatile connectivity options.

The 1045 series highlights versatility, often designed for mixed usage scenarios. It generally incorporates advanced cooling technology to prevent overheating, even during intensive tasks. The display quality often balances between good resolution and energy efficiency, making it suitable for various environments. The 1045 might also include features like a fingerprint reader for added security and convenience, ensuring quick access while keeping data safe.

Lastly, the Lenovo 1048 targets budget-conscious consumers, providing essential features without breaking the bank. While it might have lower specs compared to its higher-tier counterparts, it often delivers solid performance for everyday tasks such as browsing, document editing, and streaming. The design remains appealing, with a user-friendly interface and reliable build quality. This series typically excels in value, making it an excellent choice for entry-level users and casual everyday computing needs.

Overall, Lenovo’s 1047, 1046, 1045, and 1048 models showcase the brand’s commitment to delivering a broad spectrum of laptops that cater to different user needs, merging technology with practicality for various computing environments.
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