Asus P5GC-MR User Guide - Page 46
System panel auxiliary connector 20-pin AUX_PANEL1
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7. System panel auxiliary connector (20-pin AUX_PANEL1) This connector supports several server system functions. AUX_PANEL1 P5GC-MR R LAN2_LINKACTLED+ LAN2_LINKACTLEDLAN1_LINKACTLEDLAN1_LINKACTLED+ +5VSB I2CDATA_P2 GND I2CCLK_P2 NC GND GND CASEOPEN +5VSB 1 P5GC-MR Auxiliary Panel Connector • Chassis Intrusion connector (2-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. • Front Panel SMBus (6-1 pin) This connector allows you to connect SMBus (System Management Bus) devices to the system front panel. Devices communicate with an SMBus host and/or other SMBus devices using the SMBus interface. 2-26 Chapter 2: Hardware information
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