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 is supported by the following PCIe adapters:

Figure 1. Balanced I/O configuration

Table 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)	Left node
`3` 660 mm PCIe cable (direct-soldering on PCIe slot 1)	Right node
`4` PCIe 1/SATA – PCIe x16 Gen 5 connector	Right node

Shared I/O configuration for the following PCIe adapters:

Figure 2. Shared I/O configuration

Table 2. Shared I/O configuration
Component index	Node
`1` PCIe 2 – PCIe x16 connector	Left node
`2` 310 mm interconnect cable	From left node to PCIe adapter in right node.
`3` PCIe slot 2	Right node

Socket direct configuration is supported by the following PCIe adapters:

Figure 3. Socket direct configuration cable routing

Table 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

Give documentation feedback