Chapter 1 Preparing to Service the System 13
What to Do
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. For
more information, see “How to Power Off the System” on page 5.
Caution – Before you power on the system, make sure that the system cover and
front doors are properly installed. See “How to Replace the System Cover” on
page 33.
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 and open your console.
A terminal or monitor is required for viewing system messages. For setup
instructions, see “How to Attach an Alphanumeric Terminal” on page 38 or “How to
Configure a Local Graphics Console” on page 39.
3. Turn the front panel keyswitch to the Power-On/Off position and press the Power
button once.
See “About the Status and Control Panel” on page 2.
To run power-on self-test (POST) and OpenBoot
TM
Diagnostics tests to verify that the
system functions correctly with the new part(s) you have just installed, see
“Diagnostics, Monitoring, and Troubleshooting” on page 155.
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. The keyswitch must be in the
Power-On/Off position.
Note – The system may take anywhere from 30 seconds to several minutes before
the system banner appears. This time depends on the level of POST diagnostics
being performed.
To Next Page
