Intel® Server System R2000WF Product Family Technical Product Specification
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The following table provides the PCIe root port mapping for all on-board PCIe devices, OCuLink Connectors
and Riser Card slots.
Table 62. CPU - PCIe* port routing
CPU 1
CPU 2
PCI Ports
On-board Device
PCI Ports
On-board Device
Port DMI 3 - x4
Chipset
Port DMI 3 - x4
Riser Slot #3
Port 1A - x4
Riser Slot #1
Port 1A - x4
Riser Slot #2
Port 1B - x4
Riser Slot #1
Port 1B - x4
Riser Slot #2
Port 1C – x4
Riser Slot #1
Port 1C – x4
Riser Slot #1
Port 1D – x4
Riser Slot #1
Port 1D – x4
Riser Slot #1
Port 2A - x4
Chipset (PCH) - uplink
Port 2A - x4
Riser Slot #2
Port 2B - x4
Chipset (PCH) - uplink
Port 2B - x4
Riser Slot #2
Port 2C - x4
Chipset (PCH) - uplink
Port 2C - x4
Riser Slot #2
Port 2D - x4
Chipset (PCH) - uplink
Port 2D - x4
Riser Slot #2
Port 3A - x4
SAS Module
Port 3A - x4
OCuLink
PCIe_SSD2
Port 3B - x4
SAS Module
Port 3B - x4
OCuLink
PCIe_SSD3
Port 3C - x4
OCuLink
PCIe_SSD0
Port 3C - x4
Riser Slot #3
Port 3D -x4
OCuLink
PCIe_SSD1
Port 3D -x4
Riser Slot #3
For PCIe add-in card slot root port mapping associated with each riser slot and supported riser cards, See
Table 67. Riser slot #1 PCIe* root port mapping, Table 68. Riser slot #2 PCIe* root port mapping, Table 69.
Riser slot #3 PCIe* root port mapping.