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Front Panel Ind
SPEAKER
PC_BEEP
NC
Ground
+5V
SPEAKER
+
-
PW
RLED
Har
LED
Reset
Button
HD LED (Hard Drive LED Connector)
This connector
can be attached to an LED on the front panel of a computer
flicker during
disk activity. This disk activity only applies to those IDE drives direct
system board
.
RST (Reset Button)
This connect
or can be attached to a momentary SPST switch. This switch is
When closed
it will cause the mainboard to reset and run the POST (Power On Self
PWR-LED (Pow
er LED Connector)
This connector
can be attached to an LED on the front panel of a computer
illuminate whi
le the computer is powered on.
PWR ON (
Power Button)
This connector
can be attached to a front panel power switch. The switch must pull the Power Butto
pin to ground fo
r at least 50 ms to signal the power supply to switch on or off
due to internal
debounce circuitry on the system board). At least two seconds
power supply will recognize
PWRLED (3-Pin
If there is a 3-pin power
3-pin power LED connector.
SPEAKER (Speaker Header)
A front panel speaker can be connected to this connector. When you boot your computer, the speaker
sounds a short "beep". If there is something wrong during the Power On Self-Test, the speaker
sounds "irregular beep" to warning you.
icator: SW/LED、PWRLED、
1
2
3
4
1
2
3
1
2
d Driver
HD LED (+)
HD LED (-)
Reset Control (-)
Reset Control (+)
NC
9 10
SW/LED
another on/off signal.
Power LED )
LED cable on the front panel of a computer case. You can attach it to the
12
Power LED (+)
Power
Power LED (-)
LED
Power Button (+)
Power-on
Power Button (-)
Button
NC
PX865PEL-800
case. The LED will
ly attached to the
normally left open.
Test).
case. The LED will
n
(the time required is
must pass before the
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