PCI-1730U/1733/1734 User Manual viiiB.1 PCI-1730U .............................................................................................. 32B.2 PCI-1733................................................................................................. 33B.3 PCI-1734................................................................................................. 34Appendix C Register Structure & Format............ 35C.1 Overview ................................................................................................. 36C.2 I/O Port Address Map ............................................................................ 36C.3 Isolated Digital Input Registers ............................................................... 38C.4 Isolated Digital Output Register .............................................................. 39C.5 Non-isolated Digital Input Registers........................................................ 39C.6 Non-isolated Digital Output Register....................................................... 40C.7 Board ID — BASE+4H ........................................................................... 40C.8 Interrupt Status Register ......................................................................... 41