Lenovo ThinkServer RD650 User Manual And Hardware Maintenance Manual page 197

DANGER
Danger of explosion if battery is incorrectly replaced.
When replacing the lithium coin cell battery, use only the same or an equivalent type that is
recommended by the 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.
The following statement applies to users in the state of California, U.S.A.
California Perchlorate Information:
Products containing manganese dioxide lithium coin cell batteries may contain perchlorate.
Perchlorate Material - special handling may apply,
Seehttp://www.dtsc.ca.gov/hazardouswaste/perchlorate
Before you begin, print all the related instructions or ensure that you can view the PDF version on another
computer for reference.
Note: After you replace the coin-cell battery, you must reset passwords, reset system date and time, and
reconfigure the server.
To replace the coin-cell battery, do the following:
1. Remove all external media from the drives and turn off all attached devices and the server. Then,
disconnect all power cords from electrical outlets and disconnect all cables that are connected to
the server.
2. Prepare your server. See "Removing or extending the server from the rack cabinet" on page 69.
3. Remove the server cover. See "Removing the server cover" on page 69.
4. Locate the coin-cell battery. See "System board components" on page 44.
Note: If there is any PCIe card installed on the riser card assembly 1, it might block your access to the
coin-cell battery. In this case, lift the riser card assembly 1 so that you can access the coin-cell battery.
You do not need to disconnect any cables from the riser card assembly 1 or completely remove the
riser card assembly 1.
.
Chapter 6 Replacing hardware
183