System-Board Switches - Lenovo ThinkEdge SE455 V3 User Manual

Table 11. System-board connectors (continued)
M.2 power connector (M.2 Sideband)
12
Internal backplane power connector
13
Front backplane power connector
14
System board power 1 connector (PDB PWR 1)
15
PCIe 4 connector
16
Power distribution board signal connector (PDB
17
Sideband)

System-board switches

The following illustrations show the location of the switches, jumpers, and buttons on the server.
Note: If there is a clear protective sticker on the top of the switch blocks, you must remove and discard it to
access the switches.
Important:
1. Before you change any switch settings or move any jumpers, turn off the server; then, disconnect all
power cords and external cables. Review the following information:
• https://pubs.lenovo.com/safety_documentation/
• "Installation Guidelines" on page 39
• "Handling static-sensitive devices" on page 42
• "Power off the server" on page 48
2. Any system-board switch or jumper block that is not shown in the illustrations in this document are
reserved.
26 ThinkEdge SE455 V3 User Guide
Air flow sensor board connector (Air Velocity Sensor)
29
Intrusion switch connector
30
3V security battery (CR2032)
31
PCIe 10 connector
32
PCIe 11 connector
33