This article explains how to improve the detection of the CAN-IB300/400/PCIe by disabling PCI Express Native Control.
APPLICABLE PRODUCTS
CAN-IB300/PCI, CAN-IB400/PCI
QUESTION
Why does the CAN-IB300/400/PCIe appear in the device manager with a yellow exclamation mark?
ANSWER
Please deactivate PCI Express Native Control. You can request a corresponding BAT file and instructions from the technical support department.