CFF 16i RAID/HBA adapter + CFF expander

The following shows the cable connections for the front 24 x 2.5-inch SAS/SATA + middle 8 x 2.5-inch SAS/SATA + rear 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. SAS/SATA cable routing to CFF expander and CFF 16i adapter

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

Cable routing when one processor installed

Figure 2. SAS/SATA cable routing to CFF expander and CFF 16i adapter

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

Middle/Rear backplane cable routing​

Figure 3. Middle/Rear backplane cable routing

From	To
1 Backplane 4: SAS Backplane 5: SAS	1CFF expander: C3
2Backplane 6: SAS	2CFF expander: C4
3Backplane 4: PWR	3Onboard: 7mm power connector
4 Backplane 5: PWR Backplane 6: PWR	4 Onboard: rear backplane power Onboard: rear backplane sideband Riser 1: PWR