3 system controls – chiliGREEN CBL21 User Manual

Page 39

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4.3 System Controls

4.3.1Buttons

4.3.1.1 Power Button

The activity of the power button is as follows:

• If system is Off/Hibernate: System will be turned on while Power switch is

depressed by more than 100 ms

• If system is in Standby state: System will resume while Power switch is

depressed by more than 100 ms.

• If system on with legacy mode: depress this button will turn off power.

If system is running in ACPI OS, the power button acts as the sleep button, and let

OS controls the policy of power button which is defined in Power Option under the

OS.

4.3.1.2 Power Button Over-ride

Holding down the Power Button for 4 seconds will cause an unconditional transfer to

the off state without notifying the operating system.

4.3.1.3 Lid switch

If the system is running under legacy mode:

• Closing the lid will turn off LCD backlight.

If the system is running under ACPI mode:

• The operating system will determine what action to take when the lid is opened

and closed.

The function of lid switch will follow the OS setting in power management (Nothing,

Standby or Hibernate). If nothing, the backlight must turn off when the lid is closed.

4.3.2 System status indicators

Please refer to Keyboard BIOS specification.

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