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Standby mode
Standby mode refers to the condition in which the server is connected to an ac power
source but the server operating system is not running and all core logic is shut down
except for the service processor. In Standby mode, the server can respond to service
processor requests, such as a remote request to turn on the server. When the server
is in Standby mode, the power-on LED on the front of the server flashes (when the
server is running, the power-on LED stays on and does not flash).
You can put the server in Standby mode in any of the following ways:
•
•
Complete the following steps to put the server into Standby mode:
1. See the operating system documentation for the proper procedure to shut down
2. Press the power-control button on the front of the server.
You can press the power-control button on the server. This starts an orderly shut-
down of the operating system, if this feature is supported by your operating sys-
tem.
The server can be placed in Standby mode from the Remote Supervisor Adapter
user interface.
the operating system.
Note: Each operating system is different. Read all the documentation about shut-
ting down the operating system before continuing.
Notes:
a. After you place the server in Standby mode, wait at least 5 seconds before
you turn on the server again.
b. You might need to press and hold the power-control button for more than 4
seconds to cause an immediate shutdown of the operating system and to
force it into Standby mode. You can use this feature if the operating system
stops functioning.
Chapter 3. Server power, controls, and options
41
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