Asus P I-P55SP3AV P/I-P55SP3AV User's manual - Page 71

4 P/I-P55SP3AV User's Manual External Connections There are several connectors on the board for switches and indicator lights from the system case. The connectors are made of the same components as the jumper switches. There are also connectors for the on-board I/O ports and a system power supply. Connector Block: SMI Switch Connector for a Suspend switch lead. Reset Switch Speaker KeyLock Turbo Switch Connector for a Reset switch lead. Connector for a system case speaker lead. Connector for a keyboard lock and Power-On LED. Connector for a Turbo Switch. No function on this mainboard. Turbo LED Connector for a Turbo LED. [Note: The Turbo feature is not supported on this mainboard. A Turbo LED will light all the time if connected, but a switch will have no effect.] PS/2 Mouse Connector for a PS/2 mouse port lead. JP10 SM Out Connector for a power management lead from a green device. JP17 Fan Power Connector for cooling fan +12V power lead. JP29 IDE LED Connector for an IDE activity LED. JP30 Vol Control Connector for a digital volume control module JP31 IR Connector for an IrDA-compliant infrared port module PS/2 Mouse O connector (or port) SM Out Fan Power, O IDE LED, 0 Case, IR & Volume Control connectors CMOS Battery Please Note: The battery that supports the onboard CMOS memory (where the system configuration record is stored) is a 3volt Lithium cell. It has a life expectancy of approximately 7 years. Replace it by lifting up the retaining clip and pulling the battery out. Insert a new battery with the writing side face up. • 4-10