Removal and replacement procedures 45
6. If installed, remove the PCI air baffle (on page 25).
7. Remove the system air baffle (on page 24).
8. Disconnect the Mini-SAS cables from the HPE H240 Smart Host Bus Adapter.
9. Open the slot latch and remove the H240 Smart Host Bus Adapter.
To replace the component, reverse the removal procedure.
System Battery
If the server 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. Unlock and remove the tower bezel ("Remove the tower bezel" on page 23).
2. Power down the server (on page 23).
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
4. Place the server on its side.
5. Remove the access panel (on page 24).
6. If installed, remove the PCI air baffle (on page 25).
7. Remove the system air baffle (on page 24).
8. Locate the battery on the system board ("System board components" on page 71).
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