Asus P4B-FX P4B-FX User Manual - Page 47
System Panel Connectors
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12. System panel connectors (20-pin PANEL) This connector accommodates several system front panel functions. Keyboard Lock Speaker Power LED Connector PLED+ PLEDKeylock Ground +5V Ground Ground Speaker MLED+ MLEDExtSMI# Ground PWR GND Reset Ground P4B-FX P4B-FX System Panel Connectors Message LED SMI Lead Reset SW ATX Power Switch* * Requires an ATX power supply. Figure 2-36 System Panel Connectors • System Power LED Lead (3-1 pin PWRLED) 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 (1-pin KEYLOCK) This lead connects to a chassis-mounted switch to allow the use of the keyboard lock feature. • System Warning Speaker Lead (4-pin SPEAKER) This 4-pin connector connects to the case-mounted speaker and allows you to hear system beeps and warnings. • System Message LED Lead (2-pin MSGLED) This 2-pin connector is for the system message LED that indicates receipt of messages from a fax/modem. The normal status for this LED is ON, when there is no incoming data signal. The LED blinks when data is received. The system message LED feature requires an ACPI OS and driver support. ASUS P4B-FX motherboard user guide 2-27