Lenovo ThinkSystem SR645 Maintenance Manual page 80

Configuration 4, 5, and 6: (front drive bays and rear drive bays)
Con-
Front BP
fig.
SAS 0
4 SAS 1
SAS 0, SAS 1
5
SAS 0
SAS 1
6
The following illustration shows the cable routing for the configuration 6, the routing for configuration 4 and 5
is similar. Connections between connectors:
Figure 19. Cable routing for configuration 6
ThinkSystem SR645 Maintenance Manual
70
System
Rear BP
board
PCIe 2
PCIe 4
SAS PCIe 5
SAS PCIe 5
PCIe 8
SAS
↔
,
1 1 2
Storage controller
SFF 8i RAID
Gen 4: C 0
Gen 3: C 0, C 1
↔ ↔ ↔
, , ...
2 3 3 n n
CFF 16i RAID/HBA
C 0
C 1
MB
C 3