3. HARDWARE SETUP 20) CD_IN, AUX, VIDEO p. 40 Internal Audio Connectors (4 4-pin) 21) IDELED p. 41 IDE Activity LED (2 pins) 22) PWR.LED ( PANEL ) p. 42 System Power LED Lead (3 pins) 23) KEYLOCK (PANEL) p. 42 Keyboard Lock SwitchLead (2 pins) 24) SPEAKER (PANEL) p. 42 System Warning Speaker Connector (4 pins) 25) MSG.LED (PANEL) p. 42 System Message LED (2 pins) 26) SMI (PANEL) p. 42 System Management Interrupt Lead (2 pins) 27) PWR.SW (PANEL) p. 42 ATX / Soft-Off Switch Lead (2 pins) 28) RESET (PANEL) p. 42 Reset Switch Lead (2 pins) Layout Contents 3. H/W SETUP 16 ASUS CUA User’s Manual