System battery 164
System battery
If the node no longer automatically displays the correct date and time, then replace the battery that
provides power to the real-time clock. Under normal use, battery life is 5 to 10 years.
WARNING: The computer contains an internal lithium manganese dioxide, a vanadium
pentoxide, or an alkaline battery pack. A risk of fire and burns exists if the battery pack is not
properly handled. To reduce the risk of personal injury:
• Do not attempt to recharge the battery.
• Do not expose the battery to temperatures higher than 60°C (140°F).
• Do not disassemble, crush, puncture, short external contacts, or dispose of in fire or water.
• Replace only with the spare designated for this product.
To remove the component:
1. Power down the node (on page 32).
2. Disconnect all peripheral cables from the node.
3. Remove the node from the chassis (on page 32).
4. Place the node on a flat, level surface.
5. Remove any installed PCI riser cage assemblies ("Remove the PCI riser cage assembly" on page
48).
6. Locate the battery on the system board ("System board components" on page 15).
7. If the system battery is secured by a metal tab, do the following:
a. Use your finger or a small flat-bladed, nonconductive tool to press the metal tab. This will partially
release the battery from the socket.
b. Remove the battery.
IMPORTANT: Replacing the system board battery resets the system ROM to its default
configuration. After replacing the battery, reconfigure the system through RBSU.
To replace the component, reverse the removal procedure.
For more information about battery replacement or proper disposal, contact an authorized reseller or an
authorized service provider.
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