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Configuration 3 and 4: (front drive bays and rear drive bays)
Front
: one 4 x 3.5-inch AnyBay backplane
Rear
: one 2 x 2.5-inch SAS/SATA backplane
Con-
fig.
Front BP
Rear BP
System board
Storage controller
SFF 8i RAID/HBA
3
NVMe 0–1
PCIe 3
NVMe 2–3
PCIe 7
SAS
PCIe 2
SAS
PCIe 5
4
NVMe 0–1
PCIe 3
NVMe 2–3
PCIe 7
SAS
SAS
Gen 4: C 0
Gen 3: C 0, C 1
The following illustration shows the cable routing for the configuration 4, the routing for configuration 3 is
similar. Connections between connectors:
1
↔
1
,
2
↔
2
,
3
↔
3
, ...
n
↔
n
Note:
For models that support Gen 3 and Gen4 adapters at the same slot, the illustration shows only the
cable routing information for Gen 4 adapters, the routing and connector information is similar for Gen 3
adapters.
Figure 22. Cable routing for configuration 4
73
Summary of Contents for ThinkSystem SR645
Page 1: ...ThinkSystem SR645 Setup Guide Machine Types 7D2X and 7D2Y ...
Page 51: ...Figure 9 Server components Chapter 2 Server components 47 ...
Page 83: ...Chapter 3 Internal cable routing 79 ...
Page 88: ...Figure 27 Cable routing for configuration 2 84 ThinkSystem SR645 Setup Guide ...
Page 94: ...90 ThinkSystem SR645 Setup Guide ...
Page 118: ...Figure 38 Performance heat sink installation 114 ThinkSystem SR645 Setup Guide ...
Page 172: ...168 ThinkSystem SR645 Setup Guide ...
Page 185: ...W working inside the server power on 94 Copyright Lenovo 2020 181 ...
Page 186: ...182 ThinkSystem SR645 Setup Guide ...
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