Sparc S7-2L, Service Manual

Page: 113 / 160

Servicing the Battery
The battery is located inside the chassis. See “Internal Component Locations” on page 20 . The
battery maintains system time when the server is powered off and disconnected from AC power.
If the log messages indicate a battery failure, replace the battery.
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“Replace the Battery” on page 113
Related Information
■
“Detecting and Managing Faults” on page 27
Replace the Battery
Caution -
This procedure requires that you handle components that are sensitive to ESD. This
sensitivity can cause the component to fail. To avoid damage, ensure that you follow antistatic
practices as described in “ESD Measures” on page 46 .
A customer can perform this procedure. The server must be completely powered down
before performing this procedure. See “Component Service Categories” on page 49 for more
information about cold-service procedures.
1. Prepare the host for battery replacement.
To correctly reset the date and time after replacing a battery, you must prevent the host from
automatically powering on, and also disable any NTP server connections. Before you remove
power from the server, perform these steps.
a. Check the AUTO_HOST_POWER_ON state. At the Oracle ILOM prompt:
-> show /SP/policy HOST_AUTO_POWER_ON
/SP/policy
Properties:
Servicing the Battery 113