How Do I Configure the PFI Lines on the NI 6251 for Digital I/O? I am using ubuntu operating system can any one help me out of this problem

[prak26]

i am using NI 6251 DAQ card i need 20 DIO but only 8 are accessable. can anyone please tell me how to configure PFI to DIO. I am using linux operating system(UBUNTU)

[sumit.sen]

Please refer to this link:http://digital.ni.com/public.nsf/allkb/DA2D3CD0B8E8EE2A8625752F007596E1?OpenDocument