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5. Open the retaining clip 1 on the iButton socket to release the TR 300 Key and then completely remove
the key from the iButton socket.
Figure 52. Removing the TR 300 Key
6. If you have lifted up the riser card assembly 1, reinstall it into the chassis. See “Replacing the riser
card assembly 1” on page 143.
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 147. As the
onboard SAS software RAID 5 is not available without the TR 300 Key, you might need to recongure
RAID for your server. See “Conguring RAID” on page 56
.
Chapter 6. Installing, removing, or replacing hardware 99