System-board external connectors
The following illustration shows the external input/output (I/O) connectors on the
system board.
1
Power connector
2
Serial (COM 1)
3
Video
4
Systems-management
Ethernet connector
5
NMI button
6
USB 1-2
7
Ethernet 1
8
USB 3-4
9
Ethernet 2
Chapter 4. Server controls, LEDs, and power
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