After installing the drivers from the CD, it seems that the SM Bus Controller with hardware ID PCI\VEN_8086&DEV_8C22&SUBSYS_20498086&REV_04 is actually an Intel(R) 8 Series/C220 Series SMBus Controller – 8C22. Hope that helps someone, if you do find a direct download link to the Intel website, please do share it 🙂