This is an article shared on engadget.com (for those of us that dont frequent its rss feed)
http://forums.hardwarezone.com.sg/showthread.php?p=44505922#post44505922
Apparently it works for other non-hp oem synaptic touchpads, works perfectly on my hp nw8440!!
http://forums.hardwarezone.com.sg/showthread.php?p=44505922#post44505922
Apparently it works for other non-hp oem synaptic touchpads, works perfectly on my hp nw8440!!