Asus A7V8X-X A7V8X-X User Manual - Page 30

12. System panel connector (20-pin PANEL) This connector accommodates several system front panel functions. Power LED Speaker Connector PLED+ PLED+5V Ground Ground Speaker IDE_LED+ IDE_LED- ExtSMI# Ground PWR Ground Reset Ground A7V8X-X ® A7V8X-X System Panel Connectors IDE_LED SMI Lead Reset SW ATX Power Switch* * Requires an ATX power supply. • System Power LED Lead (3-1 pin PLED) This 3-1 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 (4-pin SPKR) This 4-pin connector connects to the case-mounted speaker and allows you to hear system beeps and warnings. • 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 casemounted suspend switch to this 2-pin connector. • ATX Power Switch/Soft-off Switch Lead (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. • Reset Switch Lead (2-pin RESET) This 2-pin connector connects to the case-mounted reset switch for rebooting the system without turning off the system power. • Hard Disk LED (2-pin IDE_LED) This 2-pin connector connects to the front panel HD LED and lights up on every read/write activity of any of the disc drives connected to the primary or secondary IDE slots. 1-20 Chapter 1: Motherboard Information