Greyed Out FIFO Buffer Size Controls for Serial Card in MAX

Updated Jan 6, 2020

Reported In


  • PXI Serial Interface Module
  • Serial Interface Device


  • Measurement & Automation Explorer (MAX)


  • NI-Serial

Issue Details

I know that it is possible to configure the FIFO buffer size of my NI-Serial Module, but when I try to do so in NI-MAX, the controls are grayed out.
What can I do to solve the issue ?


An option to solve the issue is to start NI-MAX as an administrator.
If this option does not solve the issue, please contact National Instruments Support.