Asus A7N8X-VM 400 Motherboard DIY Troubleshooting Guide - Page 32

13. System panel connector (20-pin PANEL1) This connector accommodates several system front panel functions. Keyboard Lock Speaker Power LED Connector PLED+ PLEDKeylock Ground +5V Ground Ground Speaker +5V IDELED ExtSMI# Ground PWR Ground Reset Ground A7N8X-VM A7N8X-VM/400 Panel Connectors IDE LED SMI Lead Reset SW ATX Power Switch* * Requires an ATX power supply. • System Power LED (3-1 pin PLED) This connector is for the system power LED in the chassis front panel. The system power LED lights up when you turn on the system power. • Keyboard Lock (2-1 pin KEYLOCK) This connector is for the chassis-mounted switch that allows the use of the keyboard lock feature. • System Warning Speaker (4-pin SPEAKER) This connector is for the chassis-mounted speaker that allows you to hear system beeps and warnings. • System Management Interrupt (2-pin SMI) This connector allows switching to suspend mode, or "Green" mode. While is green mode, the system activity is instantly decreased to save power and to expand the life of certain system components. • Reset Switch (2-pin RESET) This connector is for the chassis-mounted reset switch used for rebooting the system without turning off the power switch. • ATX Power Switch / Soft-Off Switch (2-pin PWR) This connector is for the system power switch located in the chassis front panel. Pressing the power switch turns the system between ON and SLEEP, or ON and SOFT OFF, depending on the BIOS or OS settings. When the system is on, pressing the power switch for more than 4 seconds turns the system off. • Hard Disk Activity (2-pin IDE LED) This connector is for the hard disk drive activity LED. The read or write activities of any primary or secondary IDE device cause the hard disk drive activity LED to light up. 1-22 Chapter 1: Product introduction