Lenovo ThinkSystem SN550, Maintenance Manual

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CMOS battery - CR2032 replacement
Use the following information to remove and install the CMOS battery - CR2032.
Remove the CMOS battery - CR2032
Use this information to remove the CMOS battery - CR2032.
Before you remove the CMOS battery - CR2032, complete the following steps:
1. Read “Safety” on page iii and “Installation Guidelines” on page 21 to ensure that you work safely.
2. Power off the corresponding compute node that you are going to perform the task on.
3. Remove the compute node from the chassis (see “Remove the compute node from the chassis” on page
24).
4. Carefully lay the compute node on a flat, static-protective surface, orienting the compute node with the
bezel pointing toward you.
5. Remove the compute node cover (see “Remove the compute node cover” on page 42).
The following notes describe information that you must consider when you are replacing the CMOS battery -
CR2032 in the compute node:
To avoid possible danger, read and follow the following safety statement.
S004
CAUTION:
When replacing the lithium battery, use only Lenovo specified part number or or an equivalent type
battery recommended by the manufacturer. If your system has a module containing a lithium battery,
replace it only with the same module type made by the same manufacturer. The battery contains
lithium and can explode if not properly used, handled, or disposed of.
Do not:
• Throw or immerse into water
• Heat to more than 100°C (212°F)
• Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
To remove 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
Step 1. Locate the CMOS battery - CR2032 socket on the system board (see “System-board connectors”
on page 13).
Step 2. If a cover is over the CMOS battery - CR2032, remove the cover.
Step 3. Pivot the CMOS battery - CR2032 toward the middle of the compute node.
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ThinkSystem SN550 Compute Node Maintenance Manual