* setenv videomode
* video=ctfb:x:800,y:480,depth:18,mode:0,pclk:30066,
* le:0,ri:256,up:0,lo:45,hs:1,vs:1,sync:100663296,vmode:0
* setenv videomode
* video=ctfb:x:800,y:480,depth:18,mode:0,pclk:30066,
* le:0,ri:256,up:0,lo:45,hs:1,vs:1,sync:100663296,vmode:0