Asus RS120-E4/PA4 - Manual (Page 64)

Chapter 4: Motherboard information 4-16
12.. Auxiliary.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.
•. Front.panel.SMB.(6-1.pin.FPSMB)
These leads connect the front panel SMBus cable.
•. LAN..activity.LED.(2-pin.LAN1_LED,.LAN2_LED)
These leads are for Gigabit LAN activity LEDs on the front panel.
•. Chassis.intrusion.(2-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.
P5M2-R
®
P5M2-R.Auxiliary.panel.connector
AUX_PANEL1
I2C_4_DATA# LOCATORLED1+
+5VSB LOCATORLED1-
LAN1_LINKACTLED- LOCATORBTN#
LAN1_LINKACTLED+ GND
+5VSB
I2C_4_CLK#
GND GND
LAN2_LINKACTLED+ LOCATORLED2-
LAN2_LINKACTLED- LOCATORLED2+
CASEOPEN
1
NC
Front panel SMB
LAN activity LED
Chassis intrusion
Locator LED and
switch
By default, a cable plug (6x2, 12-pin) connects the AUX_PANEL1 to the front
panel I/O board. The Pin1 on the cable plug is located at the top right corner
and is marked by a triangle. Take note of the Pin1 when reconnecting the cable
plug to prevent incorrect insertion.