HP ProLiant DL170e HP ProLiant DL170e G6 Server Maintenance and Service Guide - Page 137

System battery, Power down the node.

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System battery The server uses nonvolatile memory that requires a system battery to retain system information when power is removed. This 3 V lithium coin cell battery is located on the system board. Figure 148 System Battery Location WARNING: Note the following reminders when replacing the system battery: • Replace the system battery with the same type as the system battery recommended by HP. Use of another system battery may present a risk of fire or explosion. • A risk of fire and chemical burn exists if the system battery is not handled properly. Do not disassemble, crush, puncture, or short external contacts, or expose the system battery to temperatures higher than 60°C (140°F). • Do not dispose of used system battery in water or fire. Dispose of used system battery according to manufacturer's instructions. CAUTION: Loss of BIOS settings occurs when the system battery is removed. You must reconfigure BIOS settings whenever you replace the system battery. NOTE: If the server no longer automatically displays the correct date and time, you may need to replace the system battery. Under normal usage, system battery life is five to ten years. To replace the system battery: 1. Power down the node. 2. Disconnect the power cord(s). 3. Unplug the node from the chassis and place it on a flat surface. NOTE: If the expansion board is installed to the PCIe cage, remove the PCIe cage before releasing the battery. Refer to the "Removing the PCIe cages" section in this chapter for detailed procedures. 4. Release the battery from its holder by squeezing the metal clamp that extends above one edge of the battery. When the battery pops up, lift it out. Removal and replacement procedures 137

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Removal and replacement procedures
137
System battery
The server uses nonvolatile memory that requires a system battery to retain system information when
power is removed.
This 3 V lithium coin cell battery is located on the system board.
Figure 148
System Battery Location
WARNING:
Note the following reminders when replacing the system battery:
•
Replace the system battery with the same type as the system battery recommended by HP. Use of
another system battery may present a risk of fire or explosion.
•
A risk of fire and chemical burn exists if the system battery is not handled properly. Do not
disassemble, crush, puncture, or short external contacts, or expose the system battery to
temperatures higher than 60°C (140°F).
•
Do not dispose of used system battery in water or fire. Dispose of used system battery according
to manufacturer's instructions.
CAUTION:
Loss of BIOS settings occurs when the system battery is removed. You must reconfigure
BIOS settings whenever you replace the system battery.
NOTE:
If the server no longer automatically displays the correct date and time, you may need to
replace the system battery. Under normal usage, system battery life is five to ten years.
To replace the system battery:
1.
Power down the node.
2.
Disconnect the power cord(s).
3.
Unplug the node from the chassis and place it on a flat surface.
NOTE:
If the expansion board is installed to the PCIe cage, remove the PCIe cage before releasing
the battery. Refer to the “Removing the PCIe cages” section in this chapter for detailed procedures.
4.
Release the battery from its holder by squeezing the metal clamp that extends above one edge of
the battery. When the battery pops up, lift it out.