Riser card 3 (x16/x16 Gen 5 PCIe) signal cable connection
The following illustration shows the signal cable connections for the x16/x16 Gen 5 PCIe riser card 3.
Figure 273. Cable routing when two processors installed
Figure 274. Cable routing when one processor installed
From To From To
1 MCIO 1 on the riser card PCIe connector 9 on the
system board assembly
1 MCIO 3 on the riser card PCIe connector 1 on the
system board assembly
2 MCIO 2 on the riser card PCIe connector 10 on the
system board assembly
2 MCIO 4 on the riser card PCIe connector 2 on the
system board assembly
3 MCIO 3 on the riser card PCIe connector 1 on the
system board assembly
4 MCIO 4 on the riser card PCIe connector 2 on the
system board assembly
Riser 3/4 cage
Use this section to understand the cable routing for the riser 3/4 cage, which provide four low-profile (4LP)
PCIe slots.
The following illustration shows the 4LP PCIe riser 3/4 cage. The riser card types vary by server model. For
detailed information, see “PCIe slots and PCIe adapters” on page 64.
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ThinkSystem SR650 V3 User Guide
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