Before you begin, print all the related instructions or ensure that you can view the PDF version on another computer for reference.

Note: Use any documentation that comes with the system board RAID 5 key and follow those instructions in addition to the instructions in this topic.

To install the system board RAID 5 key, 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 85.

3.Lay the server on its side for easier operation.

4.Touch the static-protective package that contains the system board RAID 5 key to any unpainted surface on the outside of the server. Then, take the system board RAID 5 key out of the package.

5.Locate the iButton socket on the system board. Insert one side of the system board RAID 5 key under one of the retaining clips on the iButton socket. Then, carefully press the other side of the system board RAID 5 key straight down until the key snaps into position and is secured by the two retaining clips on the iButton socket.

Note: If necessary, remove any parts or disconnect any cables that might impede your operation.

Figure 45. Installing the system board RAID 5 key

What to do next:

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

Chapter 6. Installing, removing, or replacing hardware 103

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Lenovo 389, 387, 393, 391, 388, 441, 390, 392 manual Installing the system board RAID 5 key
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392, 390, 441, 388, 389 specifications

Lenovo has established itself as a leader in the tech industry, particularly in the realm of laptops and PCs. Among its impressive lineup, the Lenovo series 387, 390, 393, 391, and 392 stands out for their innovative features, robust performance, and user-centric designs. These models cater to a range of users, from casual users to professionals who require high performance and reliability.

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