Lenovo ThinkSystem SR650 V2 - Page 182

From To
Backplane 1: SAS 0, SAS 1 16i RAID/HBA
1
: C0C1 (Gen 3) or C0 (Gen 4)
Backplane 1: SAS 2 16i RAID/HBA
1
: C2C3 (Gen 3) or C1 (Gen 4)
Backplane 4: SAS 8i RAID/HBA
2
: C0C1 (Gen 3) or C0 (Gen 4)
Backplane 4: PWR Riser 1: PWR1, PWR2
Notes:
• For a 2 x 3.5-inch/4 x 2.5-inch SAS/SATA rear backplane, the 16i adapter
1
is installed on PCIe slot 2 and
the 8i adapter
2
is installed on and PCIe slot 3.
• For a 4 x 3.5-inch SAS/SATA rear backplane, the 16i adapter
1
is installed on PCIe slot 3 and the 8i
adapter
2
is installed on and PCIe slot 6.
Below illustration uses the 4 x 3.5-inch SAS/SATA backplane as an example for cable routing. Cable routing
for the other backplanes is similar. Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
Figure 129. Front backplane cable routing Figure 130. Rear backplane cable routing
172 ThinkSystem SR650 V2Maintenance Manual