Albatron PM800 Series User Manual page 19

PM800 Series
Panel Indicator: SW/LED、PWRLED、SPEAKE R
HD LED (Hard Drive LED Header)
This connec tor can be attached to an LED on the front panel of a computer case. The L ED will flic ker
during disk activity. This disk activity only applies to those IDE drives directly attached to the system
board.
RST (Reset Button Header)
This connector can be attached to a momentary SPST switch. This switch is normally left open. When
closed i t will cause the mainboard to reset and run the POST (Power On Self Test).
PWR-LED (2-pin Power LED H eader)
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 L ED will illuminate
while the computer is powered on.
PWR ON (Power Button Header)
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 sig nal the power supply to switch on or off (the time required is due
to internal debounce circuitry on the system bo ard). At least two seconds must pass before the power
supply will recognize another on/off signal.
PWRLED (3-Pin Power LED Header)
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.
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-Tes t, the speaker sounds
"irregular beep" to warning you.
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