How to get TV-Out working on ATI graphic cards
This HOWTO should help you enable TV-Out support on your ATI Radeon or ATI Rage based ThinkPad.
NOTE!
This page is not applicable to recent ATI Radeon Mobility chips. See ATI Mobility Radeon X300 for a discussion.
Using Xrandr (preferred)
To use the TVout on Radeon 7500 type following:
$ xrandr --output S-video --set load_detection 1
$ xrandr --addmode S-video 800x600
$ xrandr --output S-video --mode 800x600
And set mode PAL or NTSC with:
$ xrandr --output S-video --set tv_standard ntsc
If you want to use XVideo overlay on TV, try following command:
$ xvattr -a XV_CRTC -v 1