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PCIe switch board cable routing

Use the section to understand the cable routing for the PCIe switch board.

Based on the location, select the corresponding routing plan:

In 2U compute shuttle

Signal cables

Figure 1. PCIe switch board cable routing
PCIe switch board cable routing (signal cables)
CableFromTo
1Rear switch cable harness: MCIO 1 cable1a System board: MCIO connector 1 (MCIO1A)
1b System board: MCIO connector 1 (MCIO1B)
2Rear switch cable harness: MCIO 9 cable2a System board: MCIO connector 9 (MCIO9A)
2b System board: MCIO connector 9 (MCIO9B)
3Rear switch cable harness: MCIO 2 cable
Note
  • Cable end A plugs into connector B.

  • Cable end B plugs into connector A.

3a System board: MCIO connector 2 (MCIO2B)
3b System board: MCIO connector 2 (MCIO2A)
4Rear switch cable harness: MCIO 3 cable4a System board: MCIO connector 3 (MCIO3A)
4b System board: MCIO connector 3 (MCIO3B)
5Rear switch cable harness: MCIO 5 cable
Note
  • Cable end A plugs into connector B.

  • Cable end B plugs into connector A.

5a System board: MCIO connector 5 (MCIO5B)
5b System board: MCIO connector 5 (MCIO5A)
6Rear switch cable harness: MCIO 10 cable6a System board: MCIO connector 10 (MCIO10A)
6b System board: MCIO connector 10 (MCIO10B)
7Rear switch cable harness: MCIO 6 cable7a System board: MCIO connector 6 (MCIO6A)
7b System board: MCIO connector 6 (MCIO6B)
8Rear switch cable harness: MCIO 7 cable
Note
  • Cable end A plugs into connector B.

  • Cable end B plugs into connector A.

8a System board: MCIO connector 7 (MCIO7B)
8b System board: MCIO connector 7 (MCIO7A)

In 8U GPU shuttle

Signal cables (to system board)

Note
Make sure to route the cables through the cable clips as instructed.
Figure 2. PCIe switch board cable routing (signal cables)
PCIe switch board cable routing (signal cables)

PCIe switch board cable routing (signal cables)
CableFromToLabel
1Front PCIe switch cable harness: MCIO 1 cablePCIe switch board: MCIO connector 1 (MCIO1)MCIO 1
2Front PCIe switch cable harness: MCIO 2 cablePCIe switch board: MCIO connector 2 (MCIO2)MCIO 2
3Front PCIe switch cable harness: MCIO 3 cablePCIe switch board: MCIO connector 3 (MCIO3)MCIO 3
4Front PCIe switch cable harness: MCIO 4 cablePCIe switch board: MCIO connector 4 (MCIO4)MCIO 4
5Front PCIe switch cable harness: MCIO 5 cablePCIe switch board: MCIO connector 5 (MCIO5)MCIO 5
6Front PCIe switch cable harness: MCIO 6 cablePCIe switch board: MCIO connector 6 (MCIO6)MCIO 6
7Front PCIe switch cable harness: MCIO 7 cablePCIe switch board: MCIO connector 7 (MCIO7)MCIO 7
8Front PCIe switch cable harness: MCIO 8 cablePCIe switch board: MCIO connector 8 (MCIO8)MCIO 8

Signal cables (to GPU power distribution board)

Note
Make sure to route the cables through the holes as instructed.
Figure 3. PCIe switch board cable routing (signal cables)
PCIe switch board cable routing (signal cables)
CableFromTo
1Cable holder frame and baffle assembly: Cable 1GPU power distribution board tray: Cable 1
2Cable holder frame and baffle assembly: Cable 2GPU power distribution board tray: Cable 2
3Cable holder frame and baffle assembly: Cable 3GPU power distribution board tray: Cable 3
4Cable holder frame and baffle assembly: Cable 4GPU power distribution board tray: Cable 4

GPU management cable

Figure 4. PCIe switch board cable routing (GPU management cable)
PCIe switch board cable routing (GPU management cable)
CableFromTo
1Front PCIe switch cable harness: GPU management cablePCIe switch board: GPU management connector

For GPU management cable routing on the system board, see Front I/O module and integrated diagnostics panel cable routing.

Power and sideband cables

Note
Make sure to route the cables through the cable clips as instructed.
Figure 5. PCIe switch board cable routing (power and sideband cables)
PCIe switch board cable routing (power and sideband cables)
CableFromTo
1PCIe switch board: Power distribution board power connector (PDB PWR)Power distribution board: PCIe switch board power connector 1 (F-RISER PWR1)
2PCIe switch board: Power distribution board sideband connector 1 (PDB SB1)Power distribution board: PCIe switch board sideband connector 1 (SWSB1)
3PCIe switch board: Power distribution board sideband connector 2 (PDB SB2)Power distribution board: PCIe switch board sideband connector 2 (SWSB2)