Kontron KTAM3874-pITX Manual de usuario descargar pdf (Pagina 8)

KTD-S0057-I Page 4 U-Boot Setup

KTAM3874/pITX Software Guide

2.3 Display Menu

This menu part includes several display settings:



First boot display



Second boot display



Boot display mirror mode



LCD panel resolution



LCD panel mapping



Backlight output control



Backlight enable level



Backlight brightness

2.3.1 Boot Display

The TI

AM3874 implies a graphics subsystem with two independent HD display controllers. Without a

restriction (except duplicate usage but 'none' on both settings is possible) each controller interface can be

configured as:



none switch off the display controller



lcd



hdmi

Examples:

First boot display hdmi

Second boot display none

First boot display none

Second boot display lcd

First boot display hdmi

Second boot display lcd

First boot display lcd

Second boot display hdmi

2.3.2 Mirror Mode

This feature is only meaningful if both boot displays are active. In enabled state always the first boot

display determines the real resolution. In this case it would be advisable to use the LCD panel (setting

'lcd') as first boot display. If mirror mode is disabled the second boot display remains black but it can be

used with custom programs.

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