Lenovo ThinkSystem SR650 V2 Maintenance Manual page 112

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
Backplane 1: SAS
Backplane 2: SAS
Backplane 3: SAS
CFF expander: RAID/HBA
CFF expander: PWR
Connections between connectors:
Figure 46. Cable routing for the 24 x 2.5-inch SAS/SATA configuration with one CFF expander and one 8i RAID/HBA
adapter
ThinkSystem SR650 V2Maintenance Manual
102
To
CFF expander: C0
CFF expander: C1
CFF expander: C2
8i RAID/HBA adapter on PCIe slot 2:
• Gen 3: C0C1
• Gen 4: C0
Onboard: EXP PWR
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
↔
n n