Lenovo ThinkSystem SR650 V2 Maintenance Manual page 184

Middle and rear backplanes: 4 x 3.5-inch SAS/SATA + 4 x 3.5-inch/4 x 2.5-inch SAS/SATA
The following shows the cable connections for the 4 x 3.5-inch SAS/SATA middle backplane and 4 x 3.5-
inch/4 x 2.5-inch SAS/SATA rear backplane with one 8i RAID/HBA Gen 3 adapter.
From
Backplane 4: SAS
Backplane 5: SAS
Backplane 4: PWR
Backplane 5: 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 132. Cable routing for the 4 x 3.5-inch SAS/SATA middle backplane and 4 x 3.5-inch SAS/SATA rear backplane
ThinkSystem SR650 V2Maintenance Manual
174
To
8i RAID/HBA Gen 3
Riser 1: PWR1, PWR2
Riser 2: PWR1, PWR2
↔ ↔ ↔
, , , ...
1 1 2 2 3 3
: C0C1
1
1 is installed on PCIe slot 3.
1 is installed on PCIe slot 2.
↔
n n