The PC on which the PCI-GPIB was installed has configuration management that detects in what slots each of the instrument devices should be plugged in. The person who installed these devices arbitrarily assign the slots and, therefore, the system erroneously detected the GPIB card as a PCI-1553 card. Re-installing the cards in the computer in the right order and at the right sequence correctly established for Windows Plug-N-Play detection mechanism. Device Manager and MAX work as it should be.