ultra33UltraSwim 33.3. 2,204 likes · 207 talking about this. UltraSwim 33.3® - Epic Adventure Swim Races™, but so much more than just a race.Page 1 Ultra DMAATA Bus Master IDE Accelerator User’s Manual PROMISE . . . Delivering the Promise of Performance... Page 2 2-4 Operating system support Your ULTRA33 supports a