Please help on my drivers

Hello,
i have read a thread on this site that is similar to my problem "drivers"
and they question the author about the motherboard model
i guess this is it..if not please correct and please let me know on how to know my motherboard model.
Motherboard ID "03/02/2004-SiS651-PIZZA" or "ASUSTeK Computer INC. PIZZA REV 1.xx"
Motherboard Name "Asus Pizza"
PC model "Sony Corporation PCV-V151B"
thanks in advance