Asus P4PE-BP Motherboard DIY Troubleshooting Guide - Page 35

14. System panel connector (20-pin PANEL1) This connector accommodates several system front panel functions. Keyboard Lock Speaker Power LED Connector +5 V PLED Keylock Ground +5V Ground Ground Speaker ExtSMI# Ground PWRBIN Ground Reset Ground ® P4PE BP Reset SW SMI Lead ATX Power Switch* * Requires an ATX power supply. P4PE BP System Panel Connectors • 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. • Keyboard Lock Lead (2-pin KEYLOCK) This 2-pin connector connects to a chassis-mounted switch to allow the use of the keyboard lock feature. • 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 PWRBTN) 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. ASUS P4PE BP motherboard user guide 1-25