Need to figure out how to install windows XP on this laptop with tablet pc capabilities. Luckily Google is on my side. After an hours for searching with various keywords I found this forum, a lot of friendly and helpful guys there (make the long story short):
Reference 1 – tabletpcreview.com Forum (Jump to Post no.39)
I also quick reading to
Reference 3 – Skyjuice – Dual Booting HP TX1209 Tablet NoteBook
Will let you know how success (or failure) I am later on.