Please be specific with motherboard driver requests as they can require several drivers. I don't believe that Matsonic is in business any longer.
Try here: http://22.214.171.124/mobot/
Or use the following program to help identify the hardware:
To find make and model of pc hardware, EVEREST Home Edition is a free system diagnostics, system information program that will id most hardware onboard a mb. as well as the actual motherboard.
Alternate Everest download link: (offers 2 sites to dl program from)
Run the program and then:
Click on Computer
Click on Summary
Right hand window (hardware) if the text is BLUE
this is a link to the web site for that particular hardware.
If you have additional questions or need further help, please post a SUMMARY report from Everest.