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How to Power O the Server
To gracefully power o the server from main power mode to standby power mode, use the
operating system-specic shutdown procedure for the OS running on your server.
All operating systems have a shutdown procedure. This shutdown procedure provides a
graceful shutdown of the OS, and it should be your rst choice for powering o the server.
To gracefully power o the server from main power mode to standby power mode using the
Power switch, use a stylus or other nonconducting pointed object to quickly press and release
the Power button on the front panel.
Caution – Potential data loss. Pressing and releasing the Power button causes Advanced
Conguration and Power Interface (ACPI) enabled operating systems to perform an orderly
shutdown of the operating system. Servers not running ACPI-enabled operating systems
perform an emergency shut down to standby power mode.
When the main power is o and the server is in standby power mode, the Power/OK LED on
the front panel blinks, indicating that standby power is still available.
Caution – In standby power mode, power is still directed to some components. To completely
power o the server, you must disconnect the AC power cords from the rear panel of the server.
To perform an emergency shutdown of the server power, press and hold the Power button for
four seconds to force the main power o and enter standby power mode.
Caution – Potential Data Loss. Pressing and holding the Power button for four seconds performs
an immediate shutdown of the server. The system does not prompt for conrmation, nor are
you allowed to save and exit open applications.
“How to Power On the Server” on page 28
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How to Power On the Server
Verify that the server’s power supply is connected to an AC power source and that the server is in
“Power Modes”on page 27.
In standby power mode, the Power/OK LED on the front panel blinks, indicating that the
service processor is working and the system is ready to be fully powered on to full-power mode
(see
“Power Modes” on page 27).
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See Also
1
Power Modes
Sun Fire X2270 M2 Server Service Manual • January, 2012, –1228
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