Lenovo ThinkSystem SN550, Maintenance Manual

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Figure 22. CMOS battery - CR2032 removal
Step 4. Lift the CMOS battery - CR2032 from the socket.
If you are instructed to return the component or optional device, follow all packaging instructions, and use
any packaging materials for shipping that are supplied to you.
Install the CMOS battery - CR2032
Use this information to install the CMOS battery - CR2032.
Before you install the CMOS battery - CR2032, complete the following steps:
Watch the procedure . A video of the installation process is available:
• Youtube: https://www.youtube.com/playlist?list=PLYV5R7hVcs-B4_LYuT9X1MRWBU6UzX9gO
• Youku: http://list.youku.com/albumlist/show/id_50481482
1. Read “Safety” on page iii and “Installation Guidelines” on page 21 to ensure that you work safely.
The following notes describe information that you must consider when you are replacing the CMOS battery -
CR2032 in the compute node:
• You must replace the CMOS battery - CR2032 with a lithium CMOS battery - CR2032 of the same type.
• To order replacement batteries, call 1-800-426-7378 within the United States, and 1-800-465-7999 or 1-
800-465-6666 within Canada. Outside the U.S. and Canada, call your Lenovo marketing representative or
authorized reseller.
• After you replace the CMOS battery - CR2032, you must reconfigure the compute node and reset the
system date and time.
• To avoid possible danger, read and follow the following safety statement.
Attention: Touching the CMOS battery - CR2032 on a metal surface, such as the side of the compute node,
when you replace the CMOS battery - CR2032 can cause it to fail.
Step 1. Follow any special handling and installation instructions that come with the CMOS battery -
CR2032.
Step 2. Locate the CMOS battery - CR2032 socket on the system board (see “System-board connectors”
on page 13).
Step 3. Orient the CMOS battery - CR2032 so that the positive (+) side faces in toward the center of the
compute node.
Chapter 3
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Hardware replacement procedures
41