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Hi, I'm new to this so be patient with me. I'm using Labview 8.6 with a windows 7 PC. I am using a USB 6008. I have 4.5V input to AI0+ and grounded AI0- from a battery source. I have configured the DAQ assistant in Labview. Signal input range is -12 to +12V. Terminal Configuration is differential. Acquisition mode is N samples. Samples to read is 5 and rate is 1KHz. The data output from the DAQ assistant goes to a waveform graph. However, no matter how I change the sample number or rate the program bombs out with the following error. Error -200361 occurred at DAQmx Read (Analog 1D Wfm NChan NSamp).vi:3 Possible reason(s): Measurements: Onboard device memory overflow. Because of system and/or bus-bandwidth limitations, the driver could not read data from the device fast enough to keep up with the device throughput.Reduce the sample rate, or reduce the number of programs your computer is executing concurrently. I have looked on different websites but no joy... Please help...