Kontron KTT20-pITX Manual de usuario descargar pdf (Pagina 8)

KTD-S0045-D Page 4 U-Boot Setup

KTT20/pITX Software Guide

2.3 Display Menu

This menu part includes several display settings

define the first boot display

define the second boot display

determine a resolution for the lcd panel

define the backlight brightness

define the backlight output level

2.3.1 Boot Display

The NVIDIA

Tegra 250 implies a Graphics Processing Unit (GPU) with two independent display controllers.

Without a restriction (except duplicate usage) each controller interface can be configured as

none switch off the display controller

dvi

lcd

Examples:

First boot display dvi

Second boot display none

First boot display none

Second boot display lcd

First boot display dvi

Second boot display lcd

First boot display lcd

Second boot display dvi

2.3.2 LCD Panel Resolution

You have the choice to select a panel resolution with a fixed timing or a special setting 'auto' for a free

definable timing based on the VESA

DisplayID

specification. For further details about DisplayID

see the

chapter 'VESA

DisplayID

'. The KTT20/pITX supports following resolutions

auto free timing based on VESA

DisplayID

vga fixed timing 640x480 pixel, 18 bit color depth

wvga fixed timing 800x480 pixel, 18 bit color depth

svga fixed timing 800x600 pixel, 18 bit color depth

xga fixed timing 1024x768 pixel, 24 bit color depth

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Kontron KTT20-pITX Manual de usuario Pagina 8