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Subject: Re: synchronizing multiple daq boards
Date: Fri, 25 Jul 2008 12:31:03 +0000 (UTC)
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Sychronizing devices is a common task that users of Data 
Acquisition routinely do.

Clocksource External is supported for NI boards as 
described in the help:
http://www.mathworks.com/access/helpdesk/help/toolbox/daq/c
locksource.html

What versions of MATLAB and NI-DAQmx drivers are you using?

Post your code snippet that shows what you mean 
by "getdata does not retrieve data from one of the two
boards" along with the error messages so we can see the 
actual problem.

Sherryl