Asus P5NSLI Motherboard Installation Guide - Page 49

11. System panel connector (20-pin PANEL) This connector supports several chassis-mounted functions. PLED SPEAKER PLED+ PLED+5V Ground Ground Speaker PANEL +5V IDELED PWR Ground Reset Ground R P5NSLI System Panel Connector IDE_LED RESET PWRSW * Requires an ATX power supply. The sytem panel connector is color-coded for easy connection. Refer to the connector description below for details. • System power LED (3-pin PLED) This 3-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode. • Hard disk drive activity LED (2-pin IDE_LED) This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD. • System warning speaker (4-pin SPEAKER) This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings. • ATX power button/soft-off button (2-pin PWR) This connector is for the system power button. Pressing the power button turns the system on or puts the system in sleep or soft-off mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF. • Reset button (2-pin RESET) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. ASUS P5NSLI Series 1-35