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Applying IBIS in SIWizard

- September 8, 2026 at 9:07 pm
  
  jason.traud
  Subscriber
  
  I believe I'm appling the IBIS component models incorrectly.
  
  I copy and pasted the models into the directory below.
  C:Program FilesAnsysEMv231Win64buflibIBIS
  
  After launching the software I can now see the model in SIWizard, it allows me to select it and update.
  
  After the simulation runs, I get this warning for all of the nets. (I replaced the part number and pin with "..." due to length)
  Warning: Could not assign IBIS model "(NULL)" to ... (model not found)
  
  Do I need to do anything additional, other than copy and paste the IBIS into the folder and select it in the wizard?
  
  I imported the board into SIWave using IPC2581 if it matters.

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