Lenovo ThinkSystem SR650 V2 Maintenance Manual page 179

Onboard connectors + 8i RAID/HBA adapter
The following shows the cable connections for the 12 x 3.5-inch SAS/SATA configuration with a 4 x 3.5-inch/
4 x 2.5-inch SAS/SATA rear backplane.
From
Backplane 1: SAS 0, SAS 1
Backplane 1: SAS 2
Backplane 4: SAS
Backplane 4: PWR
Notes:
• For a 4 x 3.5-inch SAS/SATA rear backplane, the 8i adapter
• For a 4 x 2.5-inch SAS/SATA rear backplane, the 8i adapter
Below illustration uses the 4 x 3.5-inch SAS/SATA rear backplane as an example for cable routing. Cable
routing for the 4 x 2.5-inch SAS/SATA rear backplane is similar.
Connections between connectors:
Figure 124. Front backplane cable routing
16i RAID/HBA adapter
The following shows the cable connections for the 12 x 3.5-inch SAS/SATA configuration with a 2 x 3.5-inch/
4 x 3.5-inch/4 x 2.5-inch SAS/SATA rear backplane.
To
Onboard: SATA 0, SATA 1
Onboard: SATA 2
8i RAID/HBA
Riser 1: PWR1, PWR2
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
Figure 125. Rear backplane cable routing
1 : C0C1 (Gen 3) or C0 (Gen 4)
1 is installed on PCIe slot 3.
1 is installed on PCIe slot 2.
↔
n n
.
Chapter 3 Internal cable routing
169