Why do my VISA instruments have "Unknown" chassis and slot numbers?
You have not properly configured your PXI system. You must correctly identify the PXI system controller and chassis type before geographic addressing such as chassis and slot number is enabled. Follow the procedures in Identifying the PXI System and Identifying a PXI Chassis to correctly configure your PXI system.
Why is my PXI system "Unidentified"?
You have not properly configured your PXI system. Refer to Identifying the PXI System to correctly configure your PXI system.