Sun Microsystems Sun Fire V490 Parts Installation And Removal Manual page 50

4. Insert the system key into the system control switch and turn the system control
switch to the Normal position.
See "System Control Switch" on page 8
switch setting.
Normal position
Power button
5. Press the Power button that is below the system control switch to power on the
system.
Note – The system may take anywhere from 30 seconds to 20 minutes before video
is displayed on the system monitor or the ok prompt appears on an attached
terminal. This time depends on the system configuration (number of processors,
memory modules, PCI cards) and the level of power-on self-test (POST) and
OpenBoot
Note – OpenBoot PROM Version 4.17.x provides diagnostics that are enabled by
default. Full OpenBoot Diagnostics run at initial power-on. For more information
about these enhancements, the new and redefined configuration variables, and the
new standard (default) configuration, refer to OpenBoot PROM Enhancements for
Diagnostic Operation.
20 Sun Fire V490 Server Parts Installation and Removal Guide • October 2005
Diagnostics tests being performed.
TM
for information about each system control