PCIe adapter in compute node cable routing
Use this information to route the cables for PCIe adapters in the compute node.
PCIe adapter configuration and cable routing
Balanced I/O configuration
Balanced I/O configuration is supported by the following PCIe adapters:
ConnectX-6
ConnectX-7 NDR 200
ConnectX-7 NDR 400
Figure 1. Balanced I/O configuration


System board connectors and cables | Node |
---|---|
1 PCIe 1/SATA – PCIe x16 Gen 5 connector | Left node |
2 640 mm PCIe cable (direct-soldering on PCIe slot 1) | |
3 660 mm PCIe cable (direct-soldering on PCIe slot 1) | Right node |
4 PCIe 1/SATA – PCIe x16 Gen 5 connector |
Socket direct configuration (ConnectX-7 NDR 400)
Socket direct configuration is supported by the following PCIe adapters:
ConnectX-7 NDR 400
Figure 3. Socket direct configuration cable routing


Component index | Node |
---|---|
1 PCIe slot 2 | Left node |
2 200 mm interconnect cable (white, connected to the connector marked as “white” on the PCIe adapter) | |
3 200 mm interconnect cable (black, connected to the connector marked as “black” on the PCIe adapter) | |
4 Interposer installed on water loop cold plate | |
5 745 mm PCIe cable | |
6 PCIe 1/SATA – PCIe x16 connector | |
7 745 mm PCIe cable | Right node |
8 PCIe slot 2 | |
9 200 mm interconnect cable (white, connected to the connector marked as “white” on the PCIe adapter) | |
10 200 mm interconnect cable (black, connected to the connector marked as “black” on the PCIe adapter) | |
11 Interposer installed on water loop cold plate | |
12 PCIe 1/SATA – PCIe x16 connector |