Share your experience!
For those of us that speak English, can you explain exactly what you want?
If it is the original software you are looking for, have you tried the support pages for this model?
There is an Original Drivers Package (which includes North Bridge.INF) and an Original Utilities Package available here: -
http://support.vaio.sony.eu/computing/vaio/downloads/preinstalled/index.aspx?l=en_GB&m=PCG-GRX516MD