Front Panel Indicator: Sw/Led、Pwrled、Speaker - Albatron K8Ultra-U Series User Manual

K8Ultra-U Series
Front Panel Indicator: SW/LED、PWRLED、SPEAKER
HD LED (Hard Drive LED Connector/ red)
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 Connector/ blue)
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/ green)
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 Button Connector/ orange)
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/ green)
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/ violet)
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.
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