Use the
PCIe Slot to Processor Mapping option to change the PCIe to Processor mapping configuration.
Procedure
From the
System Utilities screen, select
System Configuration > BIOS/Platform Configuration (RBSU) > PCIe Device Configuration Options > PCIe Slot to Processor Mapping.
Select a setting.
4:1—When this option is selected, four PCIe slots are mapped to each installed processor.
8:1—When this option is selected, all slots are mapped to a single processor.