NBLB2 Service Manual
9
2. System Controls
2.1 Buttons
2.1.1 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.
2.1.2 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.
2.1.3 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.
2.2 System status indicators
Please refer to Keyboard BIOS specification.
3. Core BIOS Features
3.1 Multi Boot
The notebook can support Multi-Boot for selecting the boot sequence of Hard Drive,
Removable Devices, CD-ROM/DVD Drive and Network in Setup.
3.2 Quiet Boot
Quiet Boot replaces the customary technical messages during POST with a more
visually pleasing and comfortable display (OEM screen). During POST, right after
the initialization of VGA, The notebook displays an illustration called the OEM
screen during system boot instead of the traditional POST screen that displays the
normal diagnostic messages.
The OEM screen stays up until just before the operating system loads unless:
Pressing <Esc> to switch to the POST screen and the boot process will
continue until the end of POST.
Pressing <F2> to enter Setup.
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