Sun Microsystems Sun Fire V490 Parts Installation And Removal Manual page 54

3. Insert the system key into the system control switch and turn the switch to the
Diagnostics position.
See "System Control Switch" on page 8
settings.
4. Press the Power button below the control switch to power on the system.
5. Wait for the ok prompt to appear.
The system may take anywhere from 15 to 30 minutes before the ok prompt appears.
This time depends on the system configuration (number of processors, memory
modules, PCI cards) being tested.
6. Turn the system control switch to the Normal position.
7. At the ok prompt, type:
ok reset-all
Depending on how the auto-boot OpenBoot configuration variable is set, the
system may or may not start to reboot its operating system.
8. If the operating system starts to reboot, do the following.
a. Wait until the system has completed initializing memory.
During initialization, you see the message:
Initializing memory
b. Watch carefully, as you will need to act quickly.
Once the process is complete, the Initializing memory message is erased and
the system displays a line similar to:
Boot device: disk2
c. At this point, abort the boot process as promptly as possible.
To do this, use one of the following methods:
Hold down the Stop (or L1) key and press A on your keyboard.
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Press the Break key on the terminal keyboard.
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Type ~# in a tip window.
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The system should return to the ok prompt.
24 Sun Fire V490 Server Parts Installation and Removal Guide • October 2005
for information about control switch
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