Sun Microsystems Enterprise 250 Owner's Manual page 48

4. When the system banner is displayed on the monitor or terminal, immediately
enter the Stop-a sequence on the Sun keyboard or press the Break key on the
terminal keyboard.
The system banner contains the Ethernet address and host ID. To enter the Stop-a
sequence, hold down the Stop key and press the a key.
Note – The system may take anywhere from 30 seconds to two minutes before the
system banner appears. This time depends on the level of power-on self-test
diagnostics being performed.
5. When the ok prompt is displayed, enter the following command:
ok boot -r
This command rebuilds the device trees for the system, incorporating any newly
installed options. After a device has been added to a device tree, it can be recognized
by the system. After the reconfiguration reboot has successfully completed, the
system prompt should be displayed.
Caution – Never move the system when system power is on. Movement can cause
catastrophic disk drive failure. Always power off the system before moving it.
What Next
The system's front panel LED indicators provide power-on status information.
For more information about the system LEDs, see:
"About the Status and Control Panel" on page 8.
30 Sun Enterprise 250 Server Owner's Guide • June 1998