Enter U-Boot Interrupt Mode; Edp And Hdmi; Hdmi And Lvds; Lvds And Edp - Advantech EPC-R4710 User Manual

3.8.1

Enter U-boot Interrupt Mode

Connect device to debug port, and open debug console.
Press "ctrl + c" key before power up the device, until get the following information on
debug console:
Hit any key to stop autoboot: 0
=> <INTERRUPT>
=>
Then you can input the following command to config Multi-Display.
3.8.2

eDP and HDMI

1. eDP is main display, please set in u-boot as below:
setenv prmry_screen edp-1920x1080
setenv extend_screen hdmi-default
saveenv
reset
2. HDMI is main display, please set in u-boot as below:
setenv prmry_screen hdmi-default
setenv extend_screen edp-1920x1080
saveenv
reset
3.8.3

HDMI and LVDS

1. HDMI is main display, please set in u-boot as below:
setenv prmry_screen hdmi-default
setenv extend_screen lvds-g070vw01
saveenv
reset
2. LVDS is main display, please set in u-boot as below:
setenv prmry_screen lvds-g070vw01
setenv extend_screen hdmi-default
saveenv
reset
3.8.4

LVDS and eDP

1. LVDS is main display, please set in u-boot as below:
setenv prmry_screen lvds-g070vw01
setenv extend_screen edp-1920x1080
saveenv
reset
2. eDP is main display, please set in u-boot as below:
setenv prmry_screen edp-1920x1080
setenv extend_screen lvds-g070vw01
saveenv
reset
25 EPC-R4710 User Manual