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18)PWR_LED

The PWR_LED connector is connected with the system power indicator to indicate whether the system is on/off. It will blink when the system enters suspend mode.

 

Pin No.

Definition

 

1

MPD+

 

2

MPD-

1

3

MPD-

 

 

 

19)CI (Chassis Intrusion, Case Open)

This 2-pin connector allows your system to detect if the chassis cover is removed. You can check the "Case Opened" status in BIOS Setup.

Pin No.

Definition

1

Signal

 

2

GND

 

1

GA-G1975X Motherboard

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Intel GA-G1975X user manual Pwrled, CI Chassis Intrusion, Case Open