Don't bother trying to fix it. I've tried everything for the 6400 under WinXP, CS2 and CS3, latest and legacy drivers, etc. to no avail.
#1
Yeah to make everything work it looks like Wacom is the way to go.
#2
Most tablets are made by Aiptek, you might want to look for their drivers...
#3
I found a link to drivers here
<
http://www.goaiptek.com/drivers/driverfiles/DriverTabletV3.1 5.zip>
The tablet is named Hyperpen 6000 but it looks identical to my Adesso 6400 (shy of the color) and the driver version is a couple of revs above Adessos OEM drivers. That might be worth trying and see if they are compatible. Thanks PEC
#4