Found this bit over at Pocket PC Addict:
Are you dying to get every last drop of speed from your device? Are you always looking for ways to unlock the full potential of your device? Well, if you have an HTC Wizard (Qtek 9100/i-mate K-JAM/T-Mobile MDA) or HTC Universal (Orange SPV M5000, i-mate JASJAR) then you are in luck.