Asus P4G8X - Manual (Page 94)

4-30 Chapter 4: BIOS Setup
4.5.1 Power Up Control
Suspend Mode [Disabled]
Sets the time period before the system goes into suspend mode.
Configuration options: [Disabled] [1~2 Min] [2~3 Min] [4~5 min] [8~9 Min]
[20 Min] [30 Min][40 Min] [1 Hour]
PWR Button < 4 Secs [Soft Off]
When set to [Soft off], the ATX switch can be used as a normal system
power-off button when pressed for less than 4 seconds. [Suspend] allows
the button to have a dual function where pressing less than 4 seconds
puts the system in sleep mode. Regardless of the setting, holding the ATX
switch for more than 4 seconds powers off the system. Configuration
options: [Soft off] [Suspend]
AC PWR Loss Restart [Disabled]
This allows you to set whether or not to reboot the system after power
interruptions. [Disabled] leaves your system off while [Enabled] reboots the
system. [Previous State] sets the system back to the state it was before
the power interruption. Configuration options: [Disabled] [Enabled]
[Previous State]