Your main board (aka motherboard) is a MSI K8MM3-V. Drivers and manuals can be found as follows:

First go to: http://global.msi.eu/index.php?func=downloadindex

Then either use MSI's live update feature or select manually as follows:

> Mainboard > AMD Platform > Socket 754 > VIA > VIA(r)K8M800 > K8MM3-V