System-board external connectors
The following illustration shows the external input/output (I/O) connectors on the
system board.
Serial (com1)
Video
Ethernet connector 1
USB connectors 1 & 2
Ethernet connector 2
USB connectors 3 & 4
SW1 (NMI button)
Note: When you disconnect the power source from the server, you lose the ability
to view the LEDs because the LEDs are not lit when the power source is removed.
Before you disconnect the power source, make a note of which LEDs are lit,
including the LEDs that are lit on the operation information panel and LEDs inside
the server on the system board.
Chapter 2. Introduction 17