Cable routing for GPU/FPGA adapter power

FPGA adapter installation order: Slot 4 >> 3 >> 5 >> 6

[x16/x8 + x8/x16] or [x16 + x16]​

Table 2. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapter in slot 5, Riser 1	GPU power connector 2
2	PCIe adapter in slot 4, Riser 2	GPU power connector 1

For x16/x8 + x8/x16 configuration, proceed to Riser cable routing for x16/x8 + x8/x16 to connect the riser cables.

No riser cable is required for x16 + x 16 configuration.

x16/x16 + x16/x16​

Table 3. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2
2	PCIe adapters in slot 3 and 4, Riser 2	GPU power connector 1

Proceed to Riser cable routing for x16/x16 + x16/x16 to connect the riser cables.

x16/x16 + x8/x16​

Table 4. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2
2	PCIe adapter in slot 4, Riser 2	GPU power connector 1

Proceed to Riser cable routing for x16/x16 + x8/x16 to connect the riser cables.

[x16+ AnyBay] or [x16/x8+ AnyBay]​

Table 5. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapter in slot 5, Riser 1	GPU power connector 2

Proceed to the corresponding section to connect the riser cables.

• Riser cable routing for x16 + AnyBay
• Riser cable routing for x16/x8 + AnyBay

x16/x16 + AnyBay​

Table 6. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2

Proceed to Riser cable routing for x16/x16 + AnyBay to connect the riser cables.

FPGA adapter installation order: Slot 4 >> 3 >> 5 >> 6

[x16 + x16] or [x16/x8 + x8/x16]​

Table 8. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapter in slot 5, Riser 1	GPU power connector 2
2	PCIe adapter in slot 4, Riser 2	GPU power connector 1

For x16/x8 + x8/x16 configuration, proceed to Riser cable routing for x16/x8 + x8/x16 to connect the riser cables.

No riser cable is required for x16 + x 16 configuration.

[x16 + AnyBay] or [x16/x8 + AnyBay]​

Table 9. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapter in slot 5, Riser 1	GPU power connector 2

Proceed to the corresponding section to connect the riser cables.

• Riser cable routing for x16 + AnyBay
• Riser cable routing for x16/x8 + AnyBay

[x16/x16 + x8/x16] or [x16/x16 + x16]​

Table 10. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2
2	PCIe adapter in Slot 4	GPU power connector 1

Proceed to the corresponding section to connect the riser cables.

• Riser cable routing for x16/x16 + x8/x16
• Riser cable routing for x16/x16 + x16

x16/x16 + AnyBay​

Table 11. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2

Proceed to Riser cable routing for x16/x16 + AnyBay to connect the riser cables.

x16/x16 + x16/x16​

Table 12. Power cable routing for FPGA adapters

	From (adapter)	To (on-board)
1	PCIe adapters in slot 5 and 6, Riser 1	GPU power connector 2
2	PCIe adapters in slot 3 and 4, Riser 2	GPU power connector 1

Proceed to Riser cable routing for x16/x16 + x16/x16 to connect the riser cables.

• Double-width full-length GPU adapter is supported in PCIe Slot 4, Slot 5. (Installation order: Slot 4 >> 5.)

• ThinkSystem Intel Flex 170 16GB Gen4 Passive GPU is supported in PCIe slots in the following configurations:

  • x16/x16 + x8/x16: Slot 3
  • x16/x8 + AnyBay: Slot 6
  • x16/x8 + x8/x16: Slot 6, Slot 3 (Installation order: Slot 6 >> 3)
  • x16/x16 + x16/x16: Slot 3

Figure 1. Cable routing for full-length GPU power cables

Note

• Make sure 1 goes on top of 2.
• Make sure to secure the power cables along the channel on the air baffle.

Table 13. Power cable routing for adapters

	From	To
1	GPU in Slot 5 or Slot 6, Riser 1	GPU power connector 2
2	GPU in Slot 4 or Slot 3, Riser 2	GPU power connector 1

Proceed to corresponding section in Cable routing for PCIe riser assemblies and hot-swap drives to connect the riser cables.