Power Off From Main Power Mode - Sun Microsystems Sun Fire X4450 Installation Manual

FIGURE 6-1
Note – The first time the server powers on, the power on self-test (POST) can take
up to a minute.

Power Off from Main Power Mode

To remove main power from the server, use one of the following two methods:
TABLE 6-1
Shutdown
Graceful shutdown
Emergency shutdown
Caution –
from the back panel of the server.
64 Sun Fire X4450 Server Installation Guide • July 2008
Power/OK LED
Front Panel
Shutdown
Method
Use a pen, or other pointed object, to press and release the Power
button on the front panel. This causes Advanced Configuration
and Power Interface (ACPI)–enabled operating systems to perform
an orderly shutdown of the operating system. Servers not running
ACPI-enabled operating systems will shut down to standby power
mode immediately.
Press and hold the Power button for at least four seconds to force
the main power off and cause the server to enter standby power
mode. The Power/OK LED on the front panel will begin flashing,
indicating that the server is in standby power mode.
To completely power off the server, you must disconnect the AC power cords