Lenovo ThinkSystem SR665 - Inch;3.5-Inch Drive Backplane (Signal); X 2.5-Inch Front Drive Bays (SAS;SATA)

2.5-inch/3.5-inch drive backplane (signal)
Use the section to understand the cable routing for signal cable connections for 2.5-inch/3.5-inch drive
backplanes.
8 x 2.5-inch front drive bays (SAS/SATA)
This section provides cable routing information for the server model with 8 x 2.5-inch SAS/SATA front drive
bays.
The server model is configured with one 8 x 2.5-inch SAS/SATA front drive backplane (BP 1). Below lists all
supported configurations with this front drive backplane.
Configuration
Storage controller
Qty. Type
Config. 1
Config. 2
1 SFF 8i RAID/HBA
Config. 3
1 SFF 16i RAID/HBA
Config. 4
1 CFF 16i RAID/HBA
The following table shows the cable connections for all configurations:
Configuration 1, 2, and 3 4:
Front: one 8 x 2.5-inch SAS/SATA backplane
Con-
fig.
Front BP
System board
Storage controller
SFF 8i RAID/HBA SFF 16i RAID/HBA CFF 16i RAID/HBA
1
BP 1: SAS PCIe 1, PCIe 2
2 BP 1: SAS
Gen 4: C 0
Gen3: C 0, C 1
3 BP 1: SAS
Gen 4: C 0
Gen3: C 0, C 1
4
SAS
C 0, C1
PCIe 6 MB
The following illustration shows the cable routing for the configuration 4, the routing for configurations 1 to 3
is similar. Connections between connectors:
1 ↔ 1 , 2 ↔ 2 , 3 ↔ 3 , ... n ↔ n
Chapter 3
. Internal cable routing 71