Sun Microsystems SPARCstation 2 Service Manual page 50

3
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To halt the system:
1. Save any files you are presently editing. Quit from any applications that
will lose information when the system halts.
See the Sun System User's Guide for more information about ending a work
session.
2. Enter /bin/su to become superuser.
Additional information about the superuser command is described in
Chapter 2 of the Sun System & Network Manager's Guide.
3. Enter the superuser password.
4. Enter /usr/etc/halt.
The system displays system halt messages followed by the Monitor
prompt, >.
tutorial% /bin/su
Password:
tutorial# /usr/etc/halt
Syncing file systems... done
Halted
Type b (boot), c (continue), or n (new command mode)
>
5. Turn off the power in this order:
External module (if you have one)
°
System unit
°
Monitor
°
Caution – Make sure your system is shut off. The green LED at the front of the
system unit should not be lit, and the fans should not be running. Do not
disconnect the power cord from the system unit's power outlet or the wall
socket. This connection provides the ground path necessary to safely remove
and install the printed circuit boards and components.
SPARCstation 2 Field Service Manual—February 1991