Lenovo 3797 manual System-board external connectors, System-board switches and jumpers

11 Reserved
22 Virtual media key connector

System-board external connectors

The following illustration shows the external input/output connectors on the system board.

1	USB connector 4
2	USB connector 3
3	Serial connector
4	Video connector
5	Ethernet connector 2
6	Ethernet connector 1
7	Systems management Ethernet connector

System-board switches and jumpers

Any switches or jumpers on the system board that are not shown in the illustration are reserved. See the section about recovering the unified extensible firmware interface (UEFI) code in the Hardware Maintenance Manual for information about using the UEFI boot recovery jumper.

The following illustration shows the switches and jumpers on the system board.

Chapter 4. Server controls, LEDs, and power 25