HP ProLiant BL420c HP ProLiant BL420c Gen8 Server Blade User Guide - Page 63

Battery replacement

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Battery replacement If the server blade no longer automatically displays the correct date and time, you may need to 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 server blade (on page 12). 2. Remove the server blade (on page 13). 3. Remove the access panel (on page 14). 4. Disconnect the capacitor pack cabling, if connected ("FBWC capacitor pack cabling" on page 46). 5. Remove the SAS controller (on page 14). 6. Remove the front panel/drive cage assembly (on page 15). 7. Identify the battery location ("System board components" on page 8). 8. 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. Battery replacement 63

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Battery replacement 63
Battery replacement
If the server blade no longer automatically displays the correct date and time, you may need to 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 server blade (on page
12
).
2.
Remove the server blade (on page
13
).
3.
Remove the access panel (on page
14
).
4.
Disconnect the capacitor pack cabling, if connected ("
FBWC capacitor pack cabling
" on page
46
).
5.
Remove the SAS controller (on page
14
).
6.
Remove the front panel/drive cage assembly (on page
15
).
7.
Identify the battery location ("
System board components
" on page
8
).
8.
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.