Asus P9D-MH/SAS/10G-DUAL - Manual (Page 62)

2-42 Chapter 2: Hardware information
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 LAN1LINK and 2-pin LAN2LINK)
These leads are for Gigabit LAN activity LEDs on the front panel.
3. Chassis intrusion (4-1 pin AUX_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 AUX_LOCLED1 and 2-pin AUX_LOCLED2)
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 AUX_BMCLOCBNT)
These leads are for the locator button on the front panel. This button queries the
state of the system locator.