Lenovo ThinkServer RD440 User Manual And Hardware Maintenance Manual page 140

5. Open the retaining clip
the TR 300 Key from the iButton socket.
Figure 80. Removing the TR 300 Key
6. If you have lifted the riser card assembly 1, reinstall it into the chassis. See "Replacing the riser card
assembly 1" on page 183.
7. If you are instructed to return the old TR 300 Key, follow all packaging instructions and use any
packaging materials that are supplied to you for shipping.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the removal procedure, go to "Completing the parts replacement" on page 206. As the
onboard SAS software RAID 5 is not available without the TR 300 Key, you might need to reconfigure
RAID for your server. See "Configuring RAID" on page 76.
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ThinkServer RD440 User Guide and Hardware Maintenance Manual
1 on the iButton socket to release the TR 300 Key and then completely remove