HP Xw6600 - Workstation - 2 GB RAM Technical Reference Manual page 56

To change the power button configuration:
1. Select Start, and then select Control Panel>Power Options.
2. In Power Options Properties, select the Advanced tab.
3. In the Power Button section, select Hibernate.
Hibernate must be enabled in the Hibernate tab.
After configuring the power button to function as a button, you can press the power button to put the
system in a low power state. Press the button again to bring the system out of this low power state to
full power state. To completely turn off power to the system, press and hold the power button for four
seconds.
CAUTION:
responding. Turning off the power without operating system interaction can cause damage to, or loss
of data on, the hard drive.
46 Chapter 3 System management
Do not use the power button to power off the workstation unless the system is not
ENWW