ATI Mobility FireGL 9000
Linux driver - OpenSource
This adapter is supported by recent versions of the radeon driver as found in X.Org.
The SVideo port should be supported by the current Xorg radeon driver.
Please read How to get TV-Out working on ATI graphic cards on how to set it up.
Linux driver - Proprietary
The fglrx driver also provides 3D acceleration, but you have to use some old stuff: The ATI Mobility FireGL 9000 is only supported by fglrx drivers up to version 8.28.8 which can be downloaded here. Be aware that this driver only supports Xorg 7.1 and no newer versions!