8 x 3.5-inch SAS/SATA front drive bays
This section provides cable routing information for the server model with 8 x 3.5-inch SAS/SATA front drive 
bays.
•  “Onboard connectors” on page 162
•  “8i RAID/HBA adapter” on page 163
Onboard connectors
The following shows the cable connections for the 8 x 3.5-inch SAS/SATA configuration with onboard 
connectors.
From To
Backplane 1: SAS 0, SAS 1 Onboard: SATA 0, SATA 1
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
Figure 118. Cable routing for the 8 x 3.5-inch SAS/SATA configuration with onboard connectors
162 ThinkSystem SR650 V2Maintenance Manual