Windows NT 4 does not have a device manager.
For Windows NT use the icons in the Control Panel to view installed devices.
I did find some information on the Data Acquisition card you note inThe Control and Measurement Device Interface handbook
About 3/4 of the way down the page in the link below , you will find
information on the known I/O base address range.
Look for this entry "6.1.52. ni_atmio.o -- National Instruments AT-MIO-E series"
here at Comedi
The only easy day was yesterday.
...some do, some don't; some will, some won't (WR)