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16. Power supply thermal connector (2-pin TRPWR)
If your power supply has a thermal monitoring feature, connect its
thermal sensor cable to this connector.
P4B Power Supply Thermal Connector
Figure 2-46
Power Supply Thermal Connector
17. System panel connector (20-pin PANEL)
This connector accommodates several system front panel functions.
P4B System Panel Connectors
Figure 2-47
System Panel Connector
• System Power LED Lead (3-1 pin PWR.LED)
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.
ASUS P4B motherboard user guide
TRPWR
®
P4B
Keyboard Lock
Power LED
®
P4B
Message LED
SMI Lead
Requires an ATX power supply.
*
Ground
TRPWR
Speaker
Connector
Reset SW
ATX Power
Switch*
2-33
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