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Turning off the system-board tray
When you turn off the system-board tray and leave it connected to ac power, the
system-board tray can respond to requests from IMM2, such as a remote request to
turn on the system-board tray. While the system-board tray remains connected to
ac power, one or more fans might continue to run. To remove all power from the
system-board tray, you must disconnect it from the power source.
Some operating systems require an orderly shutdown before you turn off the
system-board tray. See your operating-system documentation for information about
shutting down the operating system.
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.
The system-board tray can be turned off in any of the following ways:
v You can turn off the system-board tray from the operating system, if your
operating system supports this feature. After an orderly shutdown of the
operating system, the system-board tray will turn off automatically.
v You can press the power-control button to start an orderly shutdown of the
operating system and turn off the system-board tray, 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 system-board tray.
v The system-board tray can be turned off by Wake on LAN feature.
v The integrated management module II (IMM2) can turn off the system-board tray
as an automatic response to a critical system failure.
11
Chapter 2. Introduction
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