Embedded module TQMx70EB Documentation



How To

Reset BIOS to default with reset button

To reset the BIOS to default values press the reset button of the mainboard 3 times within a second.

Take screenshot from BIOS or UEFI shell

Take a screenshot from the BIOS

  • Connect a USB stick (FAT32 formatted) to the mainboard
  • Boot the system into the BIOS menu and move to the desired BIOS screen
  • Press <F11> to take a screenshot of the actual screen
  • Select the desired storage device in the pop-up window and press <Enter>
The file will be stored as YYYYMMDDhhmmss.BMP

Take a screenshot from the UEFI shell

  • Connect a USB stick (FAT32 formatted) to the mainboard
  • Boot the System into the UEFI shell
  • Press <F11> to take a screenshot of the actual screen
  • Select the desired storage device in the pop-up window and press <Enter>

BIOS Configuration

USB

To activate or deactivate USB Support apply the following settings.

  • Boot the system into the BIOS menu
  • Set up 'USB Configuration' option in the BIOS Menu accordingly:

BIOS_SETUP_PATH_USB

  • Press <F10> to save the settings and reboot the system

eMMC Configuration

To activate or deactivate eMMC Support apply the following settings.

  • Boot the system into the BIOS menu
  • Set up 'SCS/SCC Configuration' option in the BIOS Menu accordingly:

BIOS_SETUP_PATH_EMMC

  • Press <F10> to save the settings and reboot the system

Console Redirection

To activate Console Recirection in the BIOS via the serial port in addition to the display output on the Starterkit apply the following steps.
It can be useful for BIOS remote control tasks.

On Starterkit
  • Connect a null modem cable to the desired serial interface (e.g. SER0)
  • Boot the system into the BIOS menu
  • Enable 'Console Redirection' option in the BIOS Menu and the corresponding serial port (e.g. COMA)

BIOS_SETUP_PATH_CONSOLE

  • Press <F10> to save the settings and reboot the system
On Host PC
  • Connect the null modem cable to an available serial port
  • Run your favorite terminal emulator on your Host PC (we recommend TeraTerm Pro)
  • Configure the serial port according to the table below:

Serial port configuration

Baudrate Data bits Parity Stop bits Flow Control
115200 8 none 1 none

⇒ Reboot the Starterkit and use the terminal emulator to set up the BIOS

Hardware Monitor Fan Scaling

With 'Fan Scaling' option it is possible to control the system temperature at a certain load of the system by setting up the fan speed at certain trip points.
To create a custom 'Fan Scaling' plan apply the following steps in the BIOS setup.

  • Boot the system into the BIOS menu
  • Enable 'Fan Scaling' option and set it up according to your needs

BIOS_SETUP_PATH_HW_MONITOR

  • Press <F10> to save the settings and reboot the system

Example

Activate/Deactivate CPU cores

To activate or deactivate CPU cores apply the following settings.

  • Boot the system into the BIOS menu
  • Set up 'CPU Configuration' option in the BIOS Menu accordingly:

BIOS_SETUP_PATH_CPU_CORES

  • Press <F10> to save the settings and reboot the system

State after G3

With 'State after G3' option you can specify the behaviour of the system after power is supplied.

Configuring 'State after G3'

  • Boot the system into the BIOS menu
  • Set up 'State after G3' option in the BIOS Menu accordingly:
State Definition
S0 System starts up directly after power is supplied
S5 System is held in power-off state until power button is pressed

BIOS_SETUP_PATH_STATE_G3

  • Press <F10> to save the settings and reboot the system