8. To determine whether additional steps are required to complete the installation of
the PCIe card, refer to the server product notes for the type of PCIe card you
installed.
Servicing the Battery (CRU)
This section describes how to service the system battery.
The system battery is a replaceable component that requires you to power off the
server before servicing.
The real-time clock (RTC) battery maintains system time when the server is powered
off and a time server is unavailable. If the server does not maintain the correct time
when the system is powered off and not connected to a network, replace the battery.
Caution:
These procedures require that you handle components that are sensitive to
electrostatic discharge. This sensitivity can cause the components to fail. To
avoid damage, ensure that you follow antistatic practices, as described in
Electrostatic Discharge Safety.
Caution:
Ensure that all power is removed from the server before removing or
installing the battery. You must disconnect the power cables from the system
before performing this procedure.
• Remove the Battery
• Install the Battery
Remove the Battery
Battery holder types may vary.
1. Prepare the server for service.
a. Power off the server.
See Powering Down the Server.
b. Disconnect the power cords from the power supplies.
See Disconnect Cables From the Server.
c. Extend the server into the maintenance position.
See Extend the Server to the Maintenance Position.
d. Attach an antistatic wrist strap to your wrist, and then to a metal area on the
chassis.
See Take Antistatic Measures.
e. Remove the server top cover.
Chapter 4
Servicing the Battery (CRU)
4-22
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