Lenovo ThinkServer RD440 User Manual And Hardware Maintenance Manual page 138

6. Insert one side of the TR 300 Key under one of the retaining clips on the iButton socket. Then, carefully
press the other side of the TR 300 Key straight down until it snaps into position and is secured by the
two retaining clips on the iButton socket.
Figure 79. Installing the TR 300 Key
7. If you have lifted the riser card assembly 1, reinstall it into the chassis. See "Replacing the riser card
assembly 1" on page 183.
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 206. Then, the onboard
SAS software RAID 5 is available for your server if your server has the required number of hard disk drives
installed. To configure RAID, see "Configuring RAID" on page 76.
Removing the TR 300 Key
Attention: Do not open your server or attempt any repair before reading and understanding "Safety information"
on page iii and "Guidelines" on page 87.
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ThinkServer RD440 User Guide and Hardware Maintenance Manual