CFF 16i RAID/HBA adapter + CFF expander

This topic provides cable routing information for the 24 x 2.5-inch SAS/SATA + 4 x 2.5-inch SAS/SATA configuration with one CFF expander and one CFF 16i RAID/HBA adapter.

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

Front backplane cable routing​

Cable routing when two processors installed

Figure 1. Cable routing to CFF expander and CFF 16i adapter

From	To
1 Backplane 1: SAS	CFF expander C0
2 Backplane 2: SAS	C1
3 Backplane 3: SAS	C2
4 CFF adapter: MB (CFF input)	Onboard: PCIe 7
5 CFF expander: RAID/HBA	CFF adapter C0 C1
6 CFF adapter: PWR	Onboard: CFF RAID/HBA PWR
7 CFF expander: PWR	Onboard: CFF EXP PWR

Cable routing when one processor installed

Figure 2. Cable routing to CFF expander and CFF 16i adapter

From	To
1 Backplane 1: SAS	CFF expander C0
2 Backplane 2: SAS	C1
3 Backplane 3: SAS	C2
4 CFF adapter: MB (CFF input)	Onboard: PCIe 4
5 CFF expander: RAID/HBA	CFF adapter C0 C1
6 CFF adapter: PWR	Onboard: CFF RAID/HBA PWR
7 CFF expander: PWR	Onboard: CFF EXP PWR

Rear backplane cable routing​

Figure 3. Rear backplane cable routing

From	To
1 Backplane 4: SAS	CFF expander C3
2 Backplane 4: PWR	Onboard: 7mm backplane power connector