WinCe 5.0 + P35 screen

Please, anybody, tell me how to work with backlight screen from my program
(C++, C#). At T35 scrren I use GPIO Pin GPG4(LCD_PWR). But in P35 it dos`t
work. Help please!!!

I was not able to complete installation of wince6.0 while loading nk.boot
memory not cleared and usb disconnected automatically. Pl help