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20.
LED headers
The LED headers allow you to connect external LEDs to the Message LED, LAN1
LED, LAN2 LED.
Chapter 1
•
LAN activity LED (2-pin LAN_LED1, LAN_LED2)
These connectors are for the Gigabit LAN activity LEDs on the front panel.
LEDs connected to these pins are synchronized with the respective activity LEDs on the
LAN ports.
•
Message LED (2-pin MSG_LED)
This 2-pin connector is for the message LED cable that connects to the front message
LED. The message LED is controlled by the BMC to indicate an abnormal event
occurrence.
21.
LN2 Mode jumper
Set to pins 2-3 to optimize the motherboard to remedy the cold-boot bug during POST
and help the system boot successfully.
Pro WS W790E-SAGE SE
1-19