14 . System panel auxiliary connector (20-pin AUX_PANEL1)

This connector supports several server system functions.

NCLV-D

NC I2C 4 CLK#

GND I2C 4 DATA# +3V LAN1 LINKACTLED+ LAN1 LINKACTLED- LAN2 LINKACTLED- LAN2 LINKACTLED+

AUX_PANEL1

PIN1 +5VSB

CASEOPEN GND LOCATORLED1+ LOCATORLED1- LOCATORBTN# GND LOCATORLED2- LOCATORLED2+

NCLV-D Auxiliary panel connector

•Chassis Intrusion connector (3-pin CASEOPEN)

This lead is for a chassis with an intrusion detection feature. This requires an external detection mechanism such as a chassis intrusion sensor or microswitch. When you remove any chassis component, the sensor triggers and sends a high-level signal to this lead to record a chassis intrusion event.

•LAN1 link activity LED (2-pin LAN1_LINKACTLED)

This 2-pin connector is for the LAN1 Activity LED. Connect the LAN1 Activity LED cable to this connector. This LED blinks during a network activity and is always lit when linked.

•LAN2 link activity LED (2-pin LAN2_LINKACTLED)

This 2-pin connector is for the LAN2 Activity LED. Connect the LAN2 Activity LED cable to this connector. This LED blinks during a network activity and lights up when linked.

•Locator LED 1 (2-pin LOCATORLED1)

This 2-pin connector is for the Locator LED 1. Connect the Locator

LED 1 cable to this connector. This LED lights up when the Locator button is pressed and if there is no LAN1 connection (e.g. the LAN1 controller is broken).

•Locator LED 2 (2-pin LOCATORLED2)

This 2-pin connector is for the Locator LED 2. Connect the Locator LED 2 cable to this connector. This LED is synchronized with the LAN2 LED.

•Locator Button/Switch (2-pin LOCATORBTN)

This connector is for the locator button. This button queries the state of the system locator.

•Front Panel SMBus (6-1 pin)

This connector allows you to connect SMBus (System Management Bus) devices. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface.

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Chapter 2: Hardware information