Sun Microsystems Netra 240, Service Manual

Page: 43 / 154

Chapter 2 Preparing to Service the System 25
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Installed or removed as part of a hot-plug operation
■
Installed or removed before the operating system is installed
■
Installed as an identical replacement for a component that is already recognized
by the operating system
To issue software commands, you need to set up an alphanumeric terminal
connection, a local graphics monitor connection, ALOM connection, or a TIP
connection to the Netra 240 server.
Caution –
Before you power on the system, make sure that the system doors and all
panels are properly installed.
This procedure assumes that you are accessing the system console using the serial
management or network management port. For more information, refer to the
Netra
240 Server Installation Guide (817-2698).
1. Turn on power to any external peripherals and storage devices.
Read the documentation supplied with the device for specific instructions.
2. Turn on power to the alphanumeric terminal or local graphics monitor, or log in to
the ALOM.
3. Turn the rotary switch to the Diagnostics position.
Use the Diagnostics position to run power-on self-test (POST) and OpenBoot
Diagnostics tests to verify that the system functions correctly with the new part(s)
you just installed. See
“Controlling Server Power” on page 16 for information about
rotary switch settings.
4. Press the On/Standby button to power on the system.
5. If you are logged in to the
sc>
prompt, switch to the
ok
prompt. Type:
6. When the system banner is displayed on the system console, immediately abort
the boot process to access the system
ok
prompt.
The system banner contains the Ethernet address and host ID. To abort the boot
process, use one of the following methods:
■
Hold down the Stop (or L1) key and press A on your keyboard.
■
Press the Break key on the terminal keyboard.
■
Use the UNIX command
tip
, to send a break signal to the system console by
typing the characters
~#
.
■
Type the
break
command at the
sc>
prompt.
sc> console