KM400T-8X Series
13
Connector Configuration
Front Panel Indicator: SW/LED
、
PWRLED
HD LED (Hard Drive LED Connector)
This connector can be attached to an LED on the front panel of a computer case. The LED will
flicker during disk activity. This disk activity only applies to those IDE drives directly attached to the
system board.
RST SW (Reset Switch)
This connector can be attached to a momentary SPST switch. This switch is normally left open.
When closed it will cause the mainboard to reset and run the POST (Power On Self Test).
PWR-LED (2-pin Power LED Connector)
The mainboard provides two power LED connector.If there is a 2-pin power LED cable on the front
panel of a computer case. You can attach it to the 2-pin power LED connector. The LED will
illuminate while the computer is powered on.
PWR SW (Power on Switch)
This connector can be attached to a front panel power switch. The switch must pull the Power Button
pin to ground for at least 50 ms to signal the power supply to switch on or off (the time required is
due to internal debounce circuitry on the system board). At least two seconds must pass before the
power supply will recognize another on/off signal.
PWR-LED (3-Pin Power LED Connector)
The mainboard provides two power LED connector. If there is a 3-pin power LED cable on the front
panel of a computer case. You can attach it to the 3-pin power LED connector.
Pin Assignment Function Pin Assignment Function
1
HD LED (+)
Hard Drive
2
ACPI LED (+)
POWER
3
HD LED (-)
LED
4
ACPI LED (-)
LED
5
RST SW (-)
Reset
6
PWR SW (+)
Power-on
7
RST SW (+)
Switch
8
PWR SW (-)
Switch
9
NC NC
10
NC NC
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1
2
2
1
BIOS
1
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10
1
1
1
1
1
VI
A
VT
6
1
03
1
1 2
Co
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1 2
3 4
-
1
1
1
PWRLED
SWLED
1 2
9 10
1
+
NC
-
1
1
+
+
+
-
-
-
-
+
2
4
6
8
10
3
5
7
9
