Chapter 5 BIOS Setup
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WA133 Series
5.7 Power Management Setup
Each power-saving mode has a respective timer. The value of the timer can be assigned or reloaded and
it will count down to zero. When the timer equals to zero, the system will be forced into the related
suspend or power-saving mode. If any predefined signal or event is detected during the timer counting
period, the timer restarts automatically.
5.7.1 ACPI Suspend Type
There are several ACPI modes used to save computer’s energy
S1 (POS) (*)
This is the Power-On-Suspend state, the CPU clock will run at slower speed,
when entering the suspend state.
S3 (STR)
This is the Suspend-To-Ram state, all system data will be saved in system’s
memory and all devices except the memory will shut off.
5.7.2 Power Management
This feature allows the user to select the default parameters for the power-saving mode.
Options
Description
User Define(*)
User can specify the time the system enters suspend mode
Min Saving
When idle for one hour, the system enters suspend mode
Max Saving
When idle for fifteen minutes, the system enters suspend mode
5.7.3 Video off Method
This field specifies the method that video subsystem used for power saving.
Options
Description
V/H SYNC+Blank
Turn off the vertical and horizontal synchronization
ports and write blanks to the video buffer
Blank Screen
Writes blanks to the video buffer only
DPMS (*)
Initial display power management signaling with DPMS