6.Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

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 LAN1_LINKACTLED, LAN2_LINKACTLED)

These leads are for Gigabit LAN activity LEDs on the front panel.

3.Chassis intrusion (4-1 pin CASEOPEN)

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, 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.

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Chapter 4: Motherboard information