1 Power connector on
backplane
Onboard: backplane 1
power connector
1 Power connector 1 on
backplane
Onboard: backplane 1
power connector
2 Power connector 2 on
backplane
Onboard: backplane 2
power connector
Notes: If there is a supercap holder installed between the front backplane and the system board assembly,
connect the power cables as below:
• Connect power connector 1 on the backplane to the backplane 2 power connector on the system board
assembly
• (For the backplane with two power connectors) Connect power connector 2 on the backplane to the
backplane 3 power connector on the system board assembly.
Signal cable connections
Refer to the specific topic for signal cable connections depending on the backplanes you have installed.
•
“8 x 3.5-inch SAS/SATA backplane” on page 438
• “12 x 3.5-inch SAS/SATA backplane” on page 440
• “12 x 3.5-inch AnyBay backplane” on page 453
• “12 x 3.5-inch SAS/SATA expander backplane” on page 459
8 x 3.5-inch SAS/SATA backplane
This section provides cable routing information for the server model with the 8 x 3.5-inch SAS/SATA front
backplane.
To connect power cables for the front backplane(s), refer to “Backplanes: server models with 3.5-inch front
drive bays” on page 437
.
To connect signal cables for the front backplane(s), refer to the following cable routing scenarios depending
on your server configuration.
•
“Onboard connector” on page 438
• “8i RAID/HBA adapter” on page 439
Onboard connector
The following shows the cable connections for the front 8 x 3.5-inch SAS/SATA configuration with onboard
connector.
Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
438 ThinkSystem SR665 V3 User Guide
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