Power Switch < 4 Sec; System Wake-Up Event - Acer Altos 500 Series User Manual

System Sleep Timer
This parameter sets the system to the lowest power-saving mode after a specified
period of inactivity. Any keyboard or mouse action or any activity detected from
the IRQ channels resumes system operation.
Sleep Mode
This parameter lets you specify the power-saving mode that the system will enter
after a specified period of inactivity. The options are Standby and Suspend
modes.
This parameter becomes configurable only if the System Sleep Timer is enabled.
Any keyboard or mouse action, or any enabled monitored activities occurring
through the IRQ channels resume system operation.
2.6.2 Power Switch < 4 sec.
When set to Power Off, the system automatically turns off when the power switch
is pressed for less than 4 seconds. When set to Suspend, the system enters the
suspend mode when pressed for less than 4 seconds. The default setting is
2.6.3

System Wake-up Event

The system wake-up event allows the system to resume operation when the
modem ring indicator is enabled.
Modem Ring Indicator
When Enabled any fax/modem activity wakes up the system from suspend mode.
The default setting is Disabled.
Altos 500 Series User's Guide