Sony PCG-XG29 - Manual (Page 65)

Using Power Saving Modes #!
System Suspend Mode
The computer saves the current state of the system in RAM and switches
off power to the CPU. The red power indicator light flashes in this mode.
To activate System Suspend mode
Press Fn+Esc, or press the power button and release it immediately. You
can also use the PowerPanel utility or the Jog Dial control to enter System
Suspend mode.
To return to normal mode
Press any key or the Power button for less than 4 seconds.
System Hibernation Mode
The state of the system is saved on the hard drive and power is turned off.
The power indicator light is off in this mode.
To activate System Hibernation mode
Press Fn+F12. The “Computer Standby message” screen appears, and
then the computer enters System Hibernation mode. You can also use the
PowerPanel utility or the Jog Dial control to enter System Hibernation
mode.
To return to normal mode
Turn on the computer by pressing the power button. The computer
returns to its previous state.
❑ Time to return to normal mode
System Idle requires less time than System Suspend, and System
Suspend requires less time than System Hibernation.
❑ Power consumption
System Idle uses more power than System Suspend, and System
Suspend uses more power than System Hibernation.
✍
When returning from System Hibernation mode, the system status stored on the hard disk is
erased and the computer starts normally if you press the power button and hold for more
than four seconds.