I found this news over at our friends DriverHeaven.net and here is a quote: This will be of interest to all our mobility ATI users. board member Patje has modified the current ATI set, this will support: Mobility Fire GL 9000 Mobility Radeon 9000 Radeon Mobility Radeon Mobility 7500 Radeon Mobility 7500 GL IGP 340M IGP 320M Click on Read More... for more info and download links.

Discussion and support for the mobility set is in This thread and you can download this either from Driverheaven Downloads or from Patje's site here. Please note that ATI do NOT support these modified drivers so install at your own risk!