Table 31-8: Control TRB Data Status Data Structure 31 22 21 17 16 15 10 9 6 5 4 3 2 1 0 RsvdZ 03-00H RsvdZ 07-04H Interrupter Target RsvdZ 0B-08H RsvdZ DIR TRB Type RsvdZ IOC CH RsvdZ ENT C 0F-0CH