Lenovo ThinkSystem SR650 V2 Maintenance Manual page 115

CFF 16i RAID/HBA adapter + CFF expander
• "Front backplanes: 24 x 2.5-inch SAS/SATA" on page 105
• "Rear backplane: 4 x 2.5-inch SAS/SATA" on page 106
• "Middle and rear backplanes: 8 x 2.5-inch SAS/SATA + 4 x 2.5-inch SAS/SATA" on page 107
• "Middle and rear backplanes: 8 x 2.5-inch SAS/SATA + 8 x 2.5-inch SAS/SATA" on page 108
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 16i
RAID/HBA adapter and one CFF expander.
From
Backplane 1: SAS
Backplane 2: SAS
Backplane 3: SAS
CFF expander: RAID/HBA
CFF 16i RAID/HBA adapter: MB
CFF 16i RAID/HBA adapter: PWR
CFF expander: PWR
Connections between connectors:
Figure 49. Cable routing for the 24 x 2.5-inch SAS/SATA configuration with one CFF 16i RAID/HBA adapter and one CFF
expander
To
CFF expander: C0
CFF expander: C1
CFF expander: C2
CFF 16i RAID/HBA adapter: C0, C1
Onboard: PCIe 3
Onboard: RAID PWR
Onboard: EXP PWR
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
↔
n n
.
Chapter 3 Internal cable routing
105