3. HARDWARE SETUP 19) PLED (PANEL) p.46 System Power LED Lead (3-1 pins) 20) KEYLOCK (PANEL) p.46 Keyboard Lock Switch Lead (2 pins) 21) SPEAKER (PANEL) p.46 System Warning Speaker Connector (4 pins) 22) LED (PANEL) p.46 System Message LED (2 pins) 23) SMI (PANEL) p.46 System Management Interrupt Switch Lead (2 pins) 24) PWRSW (PANEL) p.46 ATX Power / Soft-Off Switch Lead (2 pins) 25) RESET (PANEL) p.46 Reset Switch Lead (2 pins) 3. H/W SETUP 16 ASUS P3C-E User’s Manual