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Display fine in DVI output but not LCD output

Lee Lung Cheng
Prodigy 40 points

I have used  TI_Android_Froyo_DevKit-V2.2 to working on the Beagleboard xM, it works fine on the HDMI output. However, I try to use a LCD display from Chipsee.com.

The Model Name of the 7in LCD is : AT070TN83 V.1 and is produced by Innolux display co. I could not see any output to the LCD display. The Prebuilt_images only work on 

the HDMI but not  the LCD. I believe I need to change some bootargs in order to make it work on the LCD. Do I have to rewrite the boot.scr provided by

the TI_Android_Froyo_DevKit-V2.2. What  I have to change in order to make it work on the LCD? Please help.