Cable routing for PCIe adapter power

See this topic to learn how to do cable routing for PCIe adapter power.

See the topic corresponding to the server configuration.

• 300mm chassis
  • FPGA power cable routing
• 360mm chassis
  • FPGA power cable routing
  • GPU power cable routing

Adapter power cable routing in 300mm chassis

FPGA power cable routing

Table 1. FPGA power cable in 300mm chassis

Configuration	Riser 1	Riser 2
x16 + x16	Slot 5: x16 PCIe adapter	Slot 4: x16 PCIe adapter
x16/x16 + x16/x16	Slot 5 and 6: x16 PCIe adapters	Slot 3 and 4: x16 PCIe adapters
x16 + AnyBay	Slot 5: x16 PCIe adapter	AnyBay drive cage
x16/x16 + AnyBay	Slot 5: x16 PCIe adapter	AnyBay drive cage

x16 + x16

Table 2. Cable routing for x16 (Riser 1) + x16 (Riser 2)

	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

x16/x16 + x16/x16

Table 3. Cable routing for x16/x16 (Riser 1) + x16/x16 (Riser 2)

	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.

x16 + AnyBay

Table 4. Cable routing for x16 (Riser 1) + AnyBay (Riser 2)

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

Proceed to Riser cable routing for x16 + AnyBay.

x16/x16 + AnyBay

Table 5. Cable routing for x16/x16 (Riser 1) + AnyBay (Riser 2)

	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.

Adapter power cable routing in 360mm chassis

FPGA power cable routing

Table 6. FPGA power cable in 360mm chassis

Configuration	Riser 1	Riser 2
x16 + x16	Slot 5: x16 PCIe adapter	Slot 4: x16 PCIe adapter
x16 + AnyBay	Slot 5: x16 PCIe adapter	AnyBay drive cage
x16/x16 + x8/x16	Slot 5 and 6: x16 PCIe adapters	Slot 3: x8 PCIe adapter Slot 4: x16 PCIe adapter

x16 + x16

Table 7. Cable routing for x16 (Riser 1) + x16 (Riser 2)

	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

x16/x16 + x16/x16

Table 8. Cable routing for x16/x16 (Riser 1) + x16/x16 (Riser 2)

	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.

x16 + AnyBay

Table 9. Cable routing for x16 (Riser 1) + AnyBay (Riser 2)

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

Proceed to Riser cable routing for x16 + AnyBay.

x16/x16 + x8/x16

Table 10. Cable routing for x16/x16 (Riser 1) + x8/x16 (Riser 2)

	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 Riser cable routing for x16/x16 + AnyBay.

GPU power cable routing

Figure 1. Cable routing for 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 11. Cable routing for GPU power cables

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