AXIOMTEK SBC82400, Руководство пользователя

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SBC82400 ISA Half-Size CPU Board Series User’s Manual
Jumpers and Connectors
13
2.4.1 Flat Panel Bezel Connector: CN2
1 3 5 7 9 11
2 4 6 8 10 12
Power LED
This connector, designated at Pins 1 and 5 of CN2 ,
connects the system power LED indicator to its respective
switch on the case.
Pin 1 is assigned as +, and pin 5 is 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 CN2 connect to the case-mounted
speaker unit or internal buzzer. Short pins 4-6 when
connect the CPU card to an internal buzzer. When connect
an external speaker, set these jumpers to
Open and install
the speaker cable on pin 8 (+) and pin 2 (-).
System Reset Switch
Pins 9 & 11 of CN2 connect to the case-mounted reset
switch and allow rebooting of the 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 10 & 12 of CN2 connect the hard
disk drive to the front bezel IDE LED. Pins 10 is -, and pin
12 is assigned as +.