hello Im new to this forum and I hope you can help me

I had to do a format and ive lost my onboard sound and graphics driver I've used the belarc advisor to find out my system model and this is what it says
Main Circuit Board b
Board: K8M800-8237
Bus Clock: 200 megahertz
BIOS: Phoenix Technologies, LTD 6.00 PG 01/03/2005
Memory Modules c,d
960 Megabytes Installed Memory
Slot 'A0' has 512 MB
Slot 'A1' has 512 MB
Processor a
2.40 gigahertz AMD Athlon 64
128 kilobyte primary memory cache
512 kilobyte secondary memory cache
In my device manager it says its a legacy audio and video driver hope this helps
thanks in advance
boyd