CFF 16i RAID/HBA + SFF 16i RAID/HBA adapters

This topic provides cable routing information for the 24 x 2.5-inch SAS/SATA + 8 x 2.5-inch SAS/SATA configuration with one CFF 16i RAID/HBA adapter and one 16i RAID/HBA adapter.

Front backplane cable routing​

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

Figure 1. Cable routing when two processors installed		Figure 2. Cable routing when one processor installed
From	To	From	To
1 Backplane 1: SAS	CFF adapter C0 C1	1 Backplane 1: SAS	CFF adapter C0 C1
2 Backplane 2: SAS	C2 C3	2 Backplane 2: SAS	C2 C3
3 Backplane 3: SAS	16i adapter Gen 4: C0 Gen 3: C0C1	3 Backplane 3: SAS	16i adapter Gen 4: C0 Gen 3: C0C1
4 CFF adapter: MB (CFF input)	Onboard: PCIe 7	4 CFF adapter: MB (CFF input)	Onboard: PCIe 4
5 CFF adapter: PWR	Onboard: CFF RAID/HBA PWR	5 CFF adapter: PWR	Onboard: CFF RAID/HBA PWR

Rear backplane cable routing​

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

Figure 3. Signal cable routing		Figure 4. Power cable routing
From	To	From	To
1 Backplane 4: SAS 0, SAS 1	16i adapter Gen 4: C1 Gen 3: C2C3	1 Backplane 4: PWR	Onboard: backplane power Onboard: backplane sideband Riser 1: PWR