Port is not line configurable?

This post is for people who get the following error in Matlab when using the data acquisition toolbox:

Warning: Port is not line configurable. All line directions on the port have been set

It took a long time for me to find an online discussion of this problem.

This is a bit of a bummer, no independent control of lines allowed by drivers for most of the newer National Instruments data acquisition cards. Thank goodness after a lot of searching, I found a thread here that describes the situation.

I'm presently trying to downgrade my NI driver to see if that fixes the problem. Will update this post once I know what's going on.

Update You can find a list of devices that support line-configuration here. Unfortunately my device is not on the list.

Exciting post about neuroscience, eh?