PXI/PCI Settings:Express Settings:Actual Link Width

LabVIEW 2018 Help

Edition Date: March 2018
Part Number: 371361R-01
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Short name: Link Width

Requires: Base Development System

Classes: PXI Instr, Instr

Returns the PCI Express link width negotiated between the PCI Express host controller and the device. A value of -1 indicates that the device is not a PXI/PCI Express device. Common values include 1, 2, 4, 8, and 16.


The following table lists the characteristics of this property.

Data type
Permissions Read Only


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