Front backplane: 12 x 3.5-inch SAS/SATA
This topic provides cable routing information for the server model with 12 x 3.5-inch SAS/SATA front drive 
bays only.
•  “Onboard connectors” on page 165
•  “16i RAID/HBA adapter” on page 166
Onboard connectors
The following shows the cable connections for the 12 x 3.5-inch SAS/SATA configuration with onboard 
connectors.
From To
Backplane 1: SAS 0, SAS 1 Onboard: SATA 0, SATA 1
Backplane 1: SAS 2 Onboard: SATA 2
Connections between connectors: 
1  ↔  1 ,  2  ↔  2 ,  3  ↔  3 , ...  n  ↔  n
Figure 120. Cable routing for the 12 x 3.5-inch SAS/SATA configuration with onboard connectors
Chapter 3. Internal cable routing 165