What To Do; What Next - Sun Microsystems Enterprise 220R Service Manual

2.3.2

What to Do

1. Turn on power to any peripherals and external storage devices.
Read the documentation supplied with the device for specific instructions.
2. Turn on power to the monitor or terminal.
3. Turn the front panel keyswitch to the Power-On/Off position.
See Section 2.9 "About the Status and Control Panel" on page 71.
To run OpenBoot
correctly with the new part(s) you have just installed, see Section 7.5 "About
OpenBoot Diagnostics (OBDiag)" on page 192.
4. When the system banner is displayed on the terminal or console, 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 banner appears. This time depends on the level of power-on self-test
(POST) diagnostics being performed.
5. When the ok prompt is displayed, enter the following command:
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 will be displayed.
Caution -
catastrophic disk drive failure. Always power off the system before moving it.
2.3.3

What Next

The system's front panel LED indicators provide power-on status information. For
information about the system LEDs, see:
TM Diagnostics(OBDiag) tests to verify that the system functions
The system may take anywhere from 30 seconds to two minutes before
ok boot -r
Never move the system when system power is on. Movement can cause
Preparing to Service the System
59