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#
LOCA
+5VSB
LOCATORLED1-
LAN1_LINKACTLED-
LOCATORBTN#
LAN1_LIN
GND
+5VSB
I2C_4_CLK#
GND
GND
LAN2_LIN
LOCATORLED2-
LAN2_LINKACTLED-
LOCA
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.
