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12. System panel connectors (20-pin PANEL)
This connector accommodates several system front panel functions.
P4B-FX
P4B-FX System Panel Connectors
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
Speaker
Keyboard Lock
Connector
Power LED
Reset SW
Message LED
ATX Power
SMI Lead
Switch*
Requires an ATX power supply.
*
2-27
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