AICSYS SBC-6504, Руководство пользователя

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SBC-6504 User Manual
2.18 Front Panel Connector
Power LED
This 3-pin connector named as Pin 1, 3 and Pin 5 connect the system power LED
indicator to such a switch on the case. Pin 1 is assigned as +, and Pin 3, Pin 5 as
-. The Power LED lights up when the system is powered ON.
External Speaker and Internal Buzzer Connector
Pin 2, 4, 6 and 8 can be connected to the case-mounted speaker unit or internal
buzzer. While connecting the CPU card to an internal buzzer, please short pins 2-4;
while connecting to an external speaker, you need to set pins 2-4 to Open and
connect the speaker cable to pin 8 (+) and pin 6 (-).
ATX Power On/Off Button
This 2-pin connector named as Pin 9 and 10 connect the front panel’s ATX power
button to the CPU card, which allows users to control ATX power supply to be
power on/off.
System Reset Switch
Pin 11 and 12 can be connected to the case-mounted reset switch that reboots
your computer, not turns OFF the power switch. It is a better way to reboot your
system for a longer life of the system’s power supply.
HDD Activity LED
This connection is linked to hard drive activity LED on the control panel. LED
flashes when HDD is being accessed. Pin 13 and 14 connect the hard disk drive to
the front panel HDD LED, Pin 13 assigned as -, and Pin 14 as +.
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