Lenovo ThinkEdge SE455 V3 User Manual page 239

Figure 207. System-board connectors
Table 22. System-board connectors
PCIe 9 connector
1
PCIe 8 connector
2
PCIe 3 connector
3
PCIe 2 connector
4
System board power 2 connector (PDB PWR 2)
5
Fan signal connector (FCB Sideband)
6
Heat sink detect connector
7
M.2 signal connector (PCIe 1)
8
M.2 power connector (M.2 Sideband)
9
Internal backplane power connector
10
Power distribution board signal connector (PDB
14
Sideband)
PCIe 5 connector
15
Serial port connector (COM)
16
PCIe 6 connector
17
Riser 1 power connector
18
PCIe 7 connector
19
Riser 1 signal connector (Riser1 Sideband)
20
Bezel detect connector
21
Air flow sensor board connector (Air Velocity Sensor)
22
Intrusion switch connector
23
Chapter 6
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Internal cable routing 231