Lenovo ThinkEdge SE455 V3 User Manual page 33

Figure 7. System-board connectors
Table 11. System-board connectors
PCIe 9 connector
1
PCIe 8 connector
2
Memory module slots (DIMM 4-6, right to left)
3
Processor
4
Memory module slots (DIMM 1-3, right to left)
5
PCIe 3 connector
6
PCIe 2 connector
7
System board power 2 connector (PDB PWR 2)
8
Fan signal connector (FCB Sideband)
9
Heat sink detect connector
10
M.2 signal connector (PCIe 1)
11
PCIe 5 connector
18
Firmware and RoT security module connector
19
MicroSD socket
20
Serial port connector (COM)
21
OCP module connector
22
PCIe 6 connector
23
Riser 1 power connector
24
PCIe 7 connector
25
Riser 1 signal connector (Riser1 Sideband)
26
3V system battery (CR2032)
27
Bezel detect connector
28
Chapter 2
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Server components 25