Display Setting_ROM-5880_

Contents

• 1Multi-display
• 2Default Support Display
• 3SOM-DB2510 LVDS setting 3.1Enter U-boot interrupt mode 3.2Single Display 3.3Dual  Display 3.4HDMI Resolution

Multi-display

ROM-5880 supports 4 x display ports — HDMI, eDP (Option), MIPI and LVDS. Only two ports work simultaneously. HDMI, eDP, MIPI can only set to display0 or display1. LVDS1 can only set to display1 or display2. LVDS and MIPI are alternative.

Default Support Display

Port	Advantech number	Resolution ration	Size	Level_V_	Backlight_V_	Remask
HDMI	Dell P2422HE	1920x1080	24"	NA	NA
LVDS	G070vw01	800x480	7"	3.3	12
EDP	B156XTN07.1	1366x768	15.6"	3.3	12
MIPI	G101UAN02.0	1920x1200	10.1"	3.3	12

SOM-DB2510 LVDS setting

LVDS0_+VDD_LVDS0_电压设置

J7_1-2_	+VDD_LVDS0无供电，请勿使用
J7_1_-J8_1_	+VDD_LVDS0无供电，请勿使用
J7(2)-J8(2)	+VDD_LVDS0电压为+12V
J8(1-2)默认设置	+VDD_LVDS0电压为+5V
J8(2-3)	+VDD_LVDS0电压为+3.3V

 _img001.png)

LVDS0_INVERTER_LVDS0_BKLT_VDD_背光电压设置

J9(1-2)默认设置	LVDS0_BKLT_VDD电压为+5V
J9(2-3)	LVDS0_BKLT_VDD电压为+12V

 _img002.png)

LVDS1_+VDD_LVDS1_电压设置

J11(1-2)	+VDD_LVDS1无供电，请勿使用
J11(1)-J12(1)	+VDD_LVDS1无供电，请勿使用
J11(2)-J12(2)	+VDD_LVDS1电压为+12V
J12(1-2)默认设置	+VDD_LVDS1电压为+5V
J12(2-3)	+VDD_LVDS1电压为+3.3V

LVDS1_INVERTER_LVDS1_BKLT_VDD_背光电压设置

J13(1-2)默认设置	LVDS1_BKLT_VDD电压为+5V
J13(2-3)	LVDS1_BKLT_VDD电压为+12V

 _img004.png)

LVDS1接口 LVDS/eDP HPD select设置

J14(1-2)默认设置	LVDS1接口用作LVDS功能时请设置为此模式
J14(2-3)	LVDS1接口用作eDP功能时请设置为此模式

 _img005.png)

Quadruple Display Setting Note:Please  Jumper according to screen specifications

LVDS ——插在底板SOM-DB2510的LVDS0和LVDS0_INVERTER_LVDS0_BKLT_VDD_上。

EDP——插在底板SOM-DB2510的LVDS0和LVDS0_INVERTER_LVDS0_BKLT_VDD_上。

1. LVDS0 _ +VDD_LVDS0 _ 电压设置为 +3.3V _ J8(2-3) _
2. LVDS0_INVERTER _ LVDS0_BKLT_VDD _背光电压设置 为 +12V _ J9 (2-3) _
3. LVDS0 接口 LVDS/eDP HPD select 设置 ： J10 _ 1-2 _

Enter U-boot interrupt mode

Connect device to debug port, and open debug console. Press "ctrl + c" key before activating the device, wait until you see the following information on debug console:

 Hit any key to stop autoboot: 0
=> <INTERRUPT>
=>

Afterwards you can input the following command to configure Multi-Display settings.

Single Display

1.  HDMI ，please set in u-boot as follows :

setenv display0 hdmi-default
setenv display1
setenv display2
saveenv
reset

2.  eDP (Option), please set in u-boot as follows:

setenv display0 edp-1366x768
setenv display1
setenv display2
saveenv
reset

3.  MIPI, please set in u-boot as follows:

setenv display0 mipi-gl0uan
setenv display1
setenv display2
saveenv
reset

4.  LVDS, please set in u-boot as follows:

setenv display0
setenv display1 lvds-g070vw01
setenv display2
saveenv
reset

Dual  Display

1. HDMI and eDP (Option), please set in the u-boot as demonstrated below:

setenv display0 hdmi-default
setenv display1 edp-1366x768
setenv display2
saveenv
reset

2. HDMI and MIPI is the main display, please set in u-boot as demonstrated below:

setenv display0 hdmi-default
setenv display1 mipi-gl0uan
setenv display2
saveenv
reset

3. HDMI and LVDS is the main display, please set in u-boot as demonstrated below:

setenv display0 hdmi-default
setenv display1 lvds-g070vw01
setenv display2
saveenv
reset

HDMI Resolution

1. Entry start->Preferences->Monitor Settings. 2. Turn on HDMI and select resolution.

 _img006.png)