IBM 450 xSeries, Руководство пользователя

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Statement 5:
CAUTION:
The power control button on the device and the power switch on the power
supply do not turn off the electrical current supplied to the device. The device
also might have more than one power cord. To remove all electrical current
from the device, ensure that all power cords are disconnected from the power
source.
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The server can be turned off in any of the following ways:
v You can turn off the server from the operating system, if your operating system
supports this feature. After an orderly shutdown of the operating system, the
server will be turned off automatically.
v
You can press the power-control button to start an orderly shutdown of the
operating system and turn off the server, if your operating system supports this
feature.
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 server is connected to an Advanced System Management interconnect
network, the server can be turned off from the Remote Supervisor Adapter user
interface.
v
The integrated system management processor can turn off the server as an
automatic response to a critical system failure.
Notes:
1. You might need to press and hold the power-control button for more than 4
seconds to cause an immediate shutdown of the server. You can use this
feature if the operating system stops functioning.
2. If you disconnect the server from the power source, wait approximately 15
seconds for the server to stop running before you open the cover. Watch for the
power-on LED on the front of the server to stop flashing.
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xSeries 450: User’s Guide