Asus P4P800-MX P4P800-MX user's manual - Page 38

12. System panel connector (20-pin PANEL1) This connector accommodates several system front panel functions. Power LED Speaker Connector PLED+ PLED+5V Ground Ground Speaker P4P800-MX IDE_LED+ IDE_LED- ExtSMI# Ground PWR Ground Reset Ground Reset SW ® IDE_LED ATX Power SMI Lead Switch* * Requires an ATX power supply. P4P800-MX System Panel connector • System Power LED Lead (Green 3-pin PLED) This 3-pin connector connects to the system power LED. The LED lights up when you turn on the system power, and blinks when the system is in sleep mode. • System Warning Speaker Lead (Orange 4-pin SPEAKER) This 4-pin connector connects to the case-mounted speaker and allows you to hear system beeps and warnings. • Reset Switch Lead (Blue 2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting the system without turning off the system power. • ATX Power Switch / Soft-Off Switch Lead (Yellow 2-pin PWR ) This connector connects a switch that controls the system power. Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. Pressing the power switch while in the ON mode for more than 4 seconds turns the system OFF. • System Management Interrupt Lead (2-pin SMI) This 2-pin connector allows you to manually place the system into a suspend mode, or "green" mode, where system activity is instantly decreased to save power and to expand the life of certain system components. Attach the case-mounted suspend switch to this 2-pin connector. • Hard disk activity LED (Red 2-pin IDE_LED) This connector supplies power to the hard disk activity LED. Any read or write activity of an IDE device cause this LED to light up. The System Panel connector is color-coded for easy and foolproof connection. Take note of the specific connector colors as described. 1-28 Chapter 1: Product introduction