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Chapter 4: Motherboard information4-18
15. Auxiliary panel connector (20-2 pin AUX_PANEL1)
This connector is for additional front panel features including front panel
SMB, locator LED and switch, chassis intrusion, and LAN LEDs.
1) Front panel SMB (6-1 pin FPSMB)
These leads connect the front panel SMBus cable.
2) LAN activity LED (2-pin LAN13_LED, LAN24_LED
)
These leads are for Gigabit LAN activity LEDs on the front panel.
3) Chassis intrusion (4-1 pin CHASSIS)
These leads are for the intrusion detection feature for chassis with
intrusion sensor or microswitch. When you remove any chassis
component, the sensor triggers and sends a high-level signal to these
leads to record a chassis intrusion event. The default setting is short
CASEOPEN and GND pin by jumper cap to disable the function.
4) Locator LED (2-pin LOCATORLED1 and 2-pin LOCATORLED2)
These leads are for the locator LED1 and LED2 on the front panel.
Connect the Locator LED cables to these 2-pin connector. The LEDs will
light up when the Locator button is pressed.
5) Locator Button/Switch (2-pin LOCATORBTN)
These leads are for the locator button on the front panel. This button
queries the state of the system locator.