Intel® Server System R2000WF Product Family Technical Product Specification
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Table 67. Riser slot #1 PCIe* root port mapping
PCIe* Slot
2U – 3-Slot Riser Card
iPC – A2UL8RISER2
2U – 2-Slot Riser Card
iPC – A2UL16RISER2
Top
CPU #1 – Ports 1A and 1B (x8 elec, x16 mech)
CPU #1 – Ports 1A thru 1D (x16 elec, x16 mech)
Middle
CPU #1 – Ports 1C and 1D (x8 elec, x16 mech)
N/A
Bottom
CPU #2 – Ports 1C and 1D (x8 elec, x8 mech)
CPU #2 – Ports 1C and 1D (x8 elec, x8 mech)
Table 68. Riser slot #2 PCIe* root port mapping
PCIe* Slot
2U – 3-Slot Riser Card
iPC – A2UL8RISER2
2U – 2-Slot Riser Card
iPC – A2UL16RISER2
Top
CPU #2 – Ports 2A and 2B (x8 elec, x16 mech)
CPU #2 – Ports 2A thru 2D (x16 elec, x16 mech)
Middle
CPU #2 – Ports 2C and 2D (x8 elec, x16 mech)
N/A
Bottom
CPU #2 – Ports 1A and 1B (x8 elec, x8 mech)
CPU #2 – Ports 1A and 1B (x8 elec, x8 mech)
Table 69. Riser slot #3 PCIe* root port mapping
PCIe* Slot
2U – Low Profile Riser Card
iPC – A2UX8X4RISER
Notes
Top
CPU #2 – DMI x4 (x4 elec, x8 mech)
Low profile cards only.
Bottom
CPU #2 – Ports 3C and 3D (x8 elec, x8 mech)
Low profile cards only.
Note
: Riser Slot# 3 does not support SMBus device aliasing. SMBus aliasing prevents devices with common
address requirements from conflicting with each other. Intel recommends that any PCIe add-in card
requiring SMBus support be installed into any available add-in card slot on either Riser #1 or Riser #2.
9.1
Riser Card Assembly
The system includes two different riser cards assemblies, one supporting riser slot #1 and one supporting
both riser slots #2 and #3 in a back-to-back butterfly configuration.
Figure 81. Riser card #1 bracket
Summary of Contents for R2000WF series
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