For Service Technician Only: Replacing The System Board - Lenovo ThinkServer RD450 User Manual And Hardware Maintenance Manual

5. Remove the old coin-cell battery.
Figure 146. Removing the coin-cell battery
6. Install a new coin-cell battery.
Figure 147. Installing the coin-cell battery
7. If you have lifted up the riser card assembly 1, reinstall it into the chassis. See "Replacing the riser
card" on page 77.
8. Dispose of the old coin-cell battery as required by local ordinances or regulations.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the replacement, go to "Completing the parts replacement" on page 165. After you replace
the coin-cell battery, you must reset passwords, reset system date and time, and reconfigure the server.
See Chapter 5 "Configuring the server" on page 47.

For service technician only: replacing the system board

Attention: This procedure must be performed only by trained service personnel of Lenovo. Do not open your server or
attempt any repair before reading and understanding "Safety information" on page iii and "Guidelines" on page 59.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
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ThinkServer RD450 User Guide and Hardware Maintenance Manual