Lenovo 7D2V, Maintenance Manual

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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