hi there just to let you know i have this Rx3715 and so does a friend of mine, we've not had this problem at all, so i feel it may be something to do with your ipaq, btw there is a bios update available from the hp website
http://h18007.www1.hp.com/support/fi...oad/22474.html
the above link should take you directly to the bios download page. see if that helps. if that doesnt then the only other thing i can suggest that you may have extra software loaded on your ipaq or you are running to many programs at once. i hope my advice will help you resolve the problem