AXIOMTEK SBC81200 Series, Руководство пользователя

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SBC81200 LGA775 CPU Card Series User Manual
Hardware Description
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4.4 General Output Connector: CN10
CN10
1 3 5 7 9 11 13 15 17 19
2 4 6 8 10 12 14 16 18 20
Power LED
This 3-pin connector, designated at Pins 1, 3, and 5 of CN10 ,
connects the system power LED indicator to its respective
switch on the case.
Pin 1 is +, and pin 5 is assigned as -. The
Power LED lights up when the system is powered ON.
External Speaker and Internal Buzzer Connector
Pins 2, 4, 6, and 8 of CN10 connect to the case-mounted
speaker unit or internal buzzer. Short pins 4-6 when
connecting the CPU card to an internal buzzer. When
connecting an external speaker, set these jumpers to
Open
and install the speaker cable on pin 8 (+) and pin 2 (-).
System Reset Switch
Pins 17 & 18 of CN10 connect to the case-mounted reset
switch and allow rebooting of your computer instead of turning
OFF the power switch. This is a preferred method of rebooting
in order to prolong the life of the system
’ s power supply.
HDD Activity LED
This connector extends to the hard drive activity LED on the
control panel. This LED will flash when the HDD is being
accessed.
Pins 19 & 20 of CN10 connect the hard disk drive
and the front panel HDD LED. Pins 19 is -, and pin 20 is
assigned as +.
Reserved pins
Pins 7 and 9-16 of CN10 are reserved pins.