This is whoeverso it may concern..I don't who helped me by uploading biostar
IG31K-M7S-V6.2S file . this motherboard was showing the problem of missing pltrst after working sometime..after checking voltages for ich7 , resetcon voltage and powerok I felt like I should check vrmpwrgd to ich7.
I schematic from your site helped to find Q63,Q64 and RN65 is circuit supplying the vrmpwrgd to ich7 and I replaced RN65 and now motherboard is ok


Thanks the people who ever behind the site..well I'm joe from kochi , (India) I worked with Asus india for several years in motherboard dept.any Asus queries or troubles you can discuss , I will glad to put my service for everyone..

Thanks again..good day..