Solution:

We've develop several c program for testing PCI-1710 in DOS mode. After installed the 32-bit DLL driver, they'll locate at directory "Program Files\Advantech\adsapi\Utility\PCI1710". Besides, please use the Borland C++ Version 3.1 to compile those example programs. And setting the 'Instruction Set' to '80386' by "Options -> Compiler -> Advanced code generation ...". inportb : for read a byte inport : for read a word outportb : for write a byte outport : for write a word When you get the 'base_addr' of PCI-1750, then you can read/write the register by them.