IBM 8480 - Eserver xSeries 205, Maintenance And Troubleshooting Manual

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v
You can press the power-control button to start an orderly shutdown of the
operating system, if your operating system supports this feature, and turn off the
server.
v If the operating system stops functioning, you can press and hold the
power-control button for more than 4 seconds to turn off the server.
v
If the Wake on LAN feature turned on the server, the Wake on LAN feature can
turn off the server.
v
You can remove all power from the computer by disconnecting the server from
the ac power source.
Standby mode
When the server is connected to an ac power source but has not been turned on, it
is in Standby mode. When the server is in Standby mode, the operating system is
not running, and all core logic except for the service processor is shut down. The
power-on LED flashes to indicate that the server is in Standby mode. The server
can respond to requests from the service processor, such as a remote request to
turn on the server.
To put the server into Standby mode when the server is turned on, shut down the
operating system (see your operating-system documentation), and press the
power-control button.
You can also put the server into Standby mode through a request from the service
processor.
Chapter 1. General information
7