CFF expander + 8i RAID/HBA adapter
• “Front backplanes: 24 x 2.5-inch SAS/SATA” on page 102
• “Rear backplane: 4 x 2.5-inch SAS/SATA” on page 103
• “Middle and rear backplanes: 8 x 2.5-inch SAS/SATA + 4 x 2.5-inch SAS/SATA” on page 104
Front backplanes: 24 x 2.5-inch SAS/SATA
The following shows the cable connections for the 24 x 2.5-inch SAS/SATA configuration with one CFF
expander and one 8i RAID/HBA adapter.
From To
Backplane 1: SAS CFF expander: C0
Backplane 2: SAS CFF expander: C1
Backplane 3: SAS CFF expander: C2
CFF expander: RAID/HBA 8i RAID/HBA adapter on PCIe slot 2:
• Gen 3: C0C1
• Gen 4: C0
CFF expander: PWR Onboard: EXP PWR
Connections between connectors: 1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
Figure 46. Cable routing for the 24 x 2.5-inch SAS/SATA configuration with one CFF expander and one 8i RAID/HBA
adapter
102 ThinkSystem SR650 V2Maintenance Manual
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