Kontron KTT20-pITX - Manual (Page 8)

KTD-S0045-D Page 4 U-Boot Setup
KTT20/pITX Software Guide
2.3 Display Menu
This menu part includes several display settings
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define the first boot display
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define the second boot display
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determine a resolution for the lcd panel
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define the backlight brightness
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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
S
none switch off the display controller
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dvi
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lcd
Examples:
First boot display dvi
Second boot display none
or
First boot display none
Second boot display lcd
or
First boot display dvi
Second boot display lcd
or
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 TM specification. For further details about DisplayID TM see the
chapter 'VESA ® DisplayID TM '. The KTT20/pITX supports following resolutions
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auto free timing based on VESA ® DisplayID TM
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vga fixed timing 640x480 pixel, 18 bit color depth
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wvga fixed timing 800x480 pixel, 18 bit color depth
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svga fixed timing 800x600 pixel, 18 bit color depth
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xga fixed timing 1024x768 pixel, 24 bit color depth