You must determine which PCIe card is faulty before you replace it.
-> show /System/PCI_Devices/Add-on /System/PCI_Devices/Add-on Targets: Device_x Device_y ... ->
where x, y, etc, are the slot numbers where PCIe cards are installed.
-> show /System/PCI_Devices/Add-on/Device_x
where x is the slot number where the PCIe card is installed.
If a PCIe card is not recognized, check its installation.
See Install a PCIe Card.
For example, type:
-> show faulty Target | Property | Value --------------------+------------------------+------------------------------- /SP/faultmgmt/0 | fru | /SYS/MB/PCIE1 ... ->
where y is 0 to 6.
If a PCIe card is faulty, you will see /SYS/MB/PCIEy under the Value heading.
If a FRU value different from /SYS/MB/PCIEy is displayed, see Component Service Task Reference to identify which component is faulty.
See Identify Faulted Components.
Check the Fault class and Description fields for more information.
See Remove a PCIe Card.