Riser 3/4 cage
This section provides cable routing information for the riser 3/4 cage, which provide four low-profile (4LP) PCIe slots.
The following illustration shows the 4LP PCIe riser 3/4 cage. The riser card types vary by server model. For detailed information, see PCIe slots and PCIe adapters.
![](sr665v3-371-4lprisercage-200.png)
![](sr665v3-371-4lprisercage-200.png)
Power and sideband cable connection
The following illustration shows the power and sideband connections for x8/x8 PCIe riser card 3 and x8/x8 PCIe riser card 4.
Figure 1. Riser card 3/4 power and sideband cable routing
![Riser card 3/4 power and sideband connection](sr665v3-433-4lpriser-pwr-600.png)
![Riser card 3/4 power and sideband connection](sr665v3-433-4lpriser-pwr-600.png)
From | To |
---|---|
1 Power connector on the riser cards | 1 Riser 3 power connector on the system board assembly |
2 Sideband connector on the riser cards | 2 Riser 3 sideband connector on the system board assembly |
Signal cable connection
The following illustration shows the signal connections for x8/x8 PCIe riser card 3 and x8/x8 PCIe riser card 4.
Figure 2. Riser card 3/4 signal cable routing
![Riser card 3/4 signal connection](sr665v3-434-4lpriser-signal-300.png)
![Riser card 3/4 signal connection](sr665v3-434-4lpriser-signal-300.png)
From | To |
---|---|
1 Swift connector 1 on riser 3 card | 1 Onboard: PCIe 9 |
2 Swift connector 2 on riser 3 card | 2 Onboard: PCIe 10, 11 |
3 Swift connector 1 on riser 4 card | 3 Onboard: PCIe 8 |
4 Swift connector 2 on riser 4 card | 4 Onboard: PCIe 6 |
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