Onboard connectors

The following shows the cable connections for the 8 x 2.5-inch NVMe (Gen5) configuration with onboard connectors.

Connections between connectors: 1 ↔ 1, 2 ↔ 2, 3 ↔ 3, ... n ↔ n

Cable routing when two processors installed​

Figure 1. Cable routing when two Platinum series processors installed with no riser 3 or with x8/x8 riser card

From	To
1 Backplane 1: NVMe 0-1	Onboard: PCIe 6
2 Backplane 1: NVMe 2-3	Onboard: PCIe 5
3 Backplane 1: NVMe 4-5	Onboard: PCIe 2
4 Backplane 1: NVMe 6-7	Onboard: PCIe 1

Figure 2. Cable routing when two Platinum series processors installed with x16/x16 riser card

From	To
1 Backplane 1: NVMe 0-1	Onboard: PCIe 6
2 Backplane 1: NVMe 2-3	Onboard: PCIe 5
3 Backplane 1: NVMe 4-5	Onboard: PCIe 7
4 Backplane 1: NVMe 6-7	Onboard: PCIe 3

Figure 3. Cable routing in other scenarios

From	To
1 Backplane 1: NVMe 0-1	Onboard: PCIe 8
2 Backplane 1: NVMe 2-3	Onboard: PCIe 7
3 Backplane 1: NVMe 4-5	Onboard: PCIe 6
4 Backplane 1: NVMe 6-7	Onboard: PCIe 5

Cable routing when one processor installed​

Figure 4. Cable routing when one processor installed

From	To
1 Backplane 1: NVMe 0-1, 2-3	Onboard: PCIe 2, 1
2 Backplane 1: NVMe 4-5, 6-7	Onboard: PCIe 3, 4