Lenovo 3815 Server User Manual


 
Important:
1. Before you change any switch settings or move any jumpers, turn off the server,
then, disconnect all power cords and external cables. Read the safety
information (see “Safety” on page vii, “Handling static-sensitive devices” on
page 39, and “Working inside the server with the power on” on page 38).
2. Any system-board switch blocks or jumpers that are not shown in the
illustrations in this document are reserved.
System-board LEDs
The following illustration shows the light-emitting diodes (LEDs) on the system
board.
Chapter 4. Server controls, LEDs, and power 33