2-6 Sun Ultra 20 M2 Workstation Service Manual • January 2007
2.4 Powering On the Workstation
Perform this procedure to power on the workstation.
1. Turn on the power to the monitor and to all external devices.
2. Turn the power switch on the rear of the workstation to the On ( | ) position.
3. Press and release the power switch on the front panel.
4. After several seconds, verify that the platform power LED next to the power
switch is lit.
The platform power LED lights after the workstation begins the internal booting
process.
5. If you need to change the system parameters in the BIOS, press the F2 key during
the POST process to access the BIOS Setup Utility.
Caution – Be careful when making changes to the system BIOS, as some changes
can cause your system to malfunction.
2.5 Powering Off the Workstation
1. Save your data and close any open applications.
2. Read both of the following power-off options, and then follow one of the options
to turn off the workstation.
■ Power off the workstation by using the operating system shutdown command or
menu option.
In most cases, this initiates an orderly shutdown of the operating system and
shuts off the workstation power.
Caution – To avoid data loss, use the first option whenever possible.
■ If the first option does not shut off the workstation power, press and hold the
power button for approximately four seconds.
This option shuts down the power to the workstation but does not initiate an
orderly shutdown of the operating system. This option might result in data loss.
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