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Turning the computer off and on
Issue 2.0 June 2004 53
Turning the computer off and on
Use the following procedures to turn the computer off and on.
Turning off the computer
1. Log in to the system as root.
2. Enter:
/usr/sbin/shutdown -y -i0 -g0
This shuts down the system. The ok prompt is displayed at the local console.
3. Press and release the front panel power button to turn off the system.
Wait for the front panel Power/OK LED to turn off.
4. Turn the key switch to the Forced Off position. See the following figure.
!
DANGER
:
DANGER: Be sure to turn the key switch to the Forced Off position before handling any
internal components. Otherwise, it is possible for a user to restart the
system remotely while you are working inside it. The Forced Off position is
the only key switch position that prevents a Remote System Control (RSC)
user from restarting the system.
5. Turn off the system monitor.
6. Turn off any external SCSI devices, starting with the device that is closest to the
system and working toward the farthest device.