Asus P5CR-L User Guide - Page 56

15. System panel connector (20-pin PANEL1) This connector supports several chassis-mounted functions. ® P5CR-LS POWERLED+ GND POWERLEDMLED+ MLEDNC +5V GND GND SPKROUT HDLED+ HDLEDNMIBTN# GND POWERBTN# GND NC RESETBTN# GND PANEL1 P5CR-L(S) System panel connector The sytem panel connector is color-coded for easy connection. • System power LED (Green 3-pin POWERLED) 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 (Red 2-pin HDLED) 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 (Orange 4-pin SPKROUT) 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 (Yellow 2-pin POWERBTN) 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 (Blue 2-pin RESETBTN) This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power. 2-36 Chapter 2: Hardware information