Advantech POC-621 Series, User Manual

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POC-621 Series User Manual 62
E.1 Advanced BIOS Functions
This appendix introduces the POC systems advanced function via the BIOS menu.
1. Power Button Function Enable/Disable
You can enable/disable the power button function in the BIOS menu.
If you disable the power button in S0 (System ON) status, the power button will not
work. Therefore, users cannot turn off the system using the power button. Users
need to use software to turn the system off. This function can prevent touching the
power button accidently, and shutting the system down.
BIOS Menu location:
BIOS Menu – Advanced – IT5121 HW Monitor – Power Button Function

Enable: The power button functions when the system is in S0 (System ON) sta -
tus. (Default)

Disable: The power button does not function when the system is in S0 (System
ON) status.
Because disable the power button function will cause system cannot power on
by power button pressed. When you set this function to disable, BIOS will set
the “State After G3” to “Power On” automatically. So you can plugin power
adapter to turn on POC system.
2. Brightness Button Control
You can enable/disable LCD Backlight button functions in the BIOS menu.
If you disable the LCD Backlight button, this button will not work. Therefore the user
cannot adjust LCD backlight luminance using this button. This function can prevent
mis-touch the LCD backlight button to adjust the LCD backlight luminance.
BIOS Menu location:
BIOS Menu – Advanced – IT5121 HW Monitor – Brightness Button Control

Enable: Front bezel LCD Backlight adjust button control function work. (Default)

Disable: Front bezel LCD Backlight adjust button control function not work.
3. Volume Button Control
You can enable/disable Front volume button function in BIOS menu.
If you disable the Front volume button, this button will not work. So the user cannot
adjust speaker volume by this button. This function can prevent mis-touch the front
volume button to adjust the speaker volume.
BIOS Menu location:
BIOS Menu – Advanced – IT5121 HW Monitor – Volume Button Control

Enable: Front bezel volume adjust button control function work. (Default)

Disable: Front bezel volume adjust button control function not work.