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Onboard Device Memory Underflow When Using DaqComponent Example Code for an NI-DAQmx Non-regenerative Continuous Digital Output Task in Measurement Studio Support for Visual Studio 2005 When generating the user interface and source code for a DaqComponent that refers to a continuous digital output task with a Regeneration Mode set to 'Do not allow regeneration,' you may receive an error message when you run the task similar to: 'Measurements: Onboard device memory underflow. URL: http://digital.ni.com/public.nsf/allkb/D998B1DEB0F3C7198625732200518B42

Why Am I Reading Negative Values From My Digital I/O Board? When using Visual Basic or C functions to read from my digital I/O board, (e.g., PCI-653x), the returned value is negative. How is this possible? URL: http://digital.ni.com/public.nsf/allkb/11962F97C36675BB86256F34006E36A0