SM Bus Controller? Cant find Driver?!!PLZ HELP

i have a Acer Aspire 5735 i have one driver that could be the cause of my headset (Tecknika Headset) when i try to record a video with audio (speaking) and i cant get any audio of the video ive checked in recordings of vistas thing i try speaking no green bars 0!!
could someones help find me it

heres pic
http://img688.imageshack.us/img688/8312/capturemk.jpg

Tesco Technika has provided customers with product drivers for selected Tesco Technika products. To download a driver click on the relevant .zip file link and click on 'ok' from here.

dont get it ders no driver for headset to get mic working