Cmos Battery (Cr2032) Replacement - Lenovo ThinkSystem SD650 V3 User Manual

• The replacement procedures in this section uses the right node as an example, the replacement
procedures for the left node are similar.

CMOS battery (CR2032) replacement

Use the following procedures to remove and install the CMOS battery (CR2032).
Remove the CMOS battery (CR2032)
Use this information to remove the CMOS battery.
About this task
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 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.
• S005
CAUTION:
The battery is a lithium ion battery. To avoid possible explosion, do not burn the battery. Exchange
it only with the approved part. Recycle or discard the battery as instructed by local regulations.
Attention:
• Read "Installation Guidelines" on page 33
work safely.
• Turn off the corresponding DWC tray that you are going to perform the task on.
• Disconnect all external cables from the enclosure.
• Use extra force to disconnect QSFP cables if they are connected to the solution.
• The following notes describe information that you must consider when replacing the battery.
and "Safety inspection checklist" on page 34
Chapter 5
to ensure that you
.
Hardware replacement procedures
71