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• Reset switch (2-pin RESET)
This lead connects to the case-mounted reset switch for rebooting the
system without turning off the system power.
• Non-maskable interrupt (2-pin NMI)
This lead connects to a front panel button to allow a non-maskable
interrupt command to be sent to the operating system.
15. Auxilliary panel connector (20-pin AUX_PANEL1)
This connector is for additional front panel features including front
panel SMB, locator LED and switch, chassis intrusion, and LAN LEDs.
PCH-DR
PCH-DR Auxiliary Panel Connector
• Front panel SMB (6-1 pin FPSMB)
These leads connect the front panel SMBus cable.
• LAN activity LED (2-pin 547_LED, 541_LED)
These leads are for Gigabit LAN activity LEDs on the front panel.
• 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.
• Locator LED (6-pin LOCATOR)
These leads are for the locator switch and LED on the front panel.
ASUS PCH-DR motherboard
AUX_PANEL1
PIN1
2-33
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