Noticed in one of your links a comment,
(Depending on your system and video card, the newest version of SIS AGP (or
any companies AGP) isn't always the best one to use for your circumstances.)etc.ect.
Are you having problems that require an update driver,or is it update for the sake off.Most updates take account for problems with newer hardware and may not be the best for your setup. Your Ti200 AGP card is around the same product time as my Ti400 and i am wary these days of updating for the sake of if all is running well.