SBC81613 Socket 370 All-in-One CPU Card Series User
’
s Manual
Hardware Description
18
4.5 General Output Connector: CN9
Power LED
This 3-pin connector, designated at
Pins 1, 3,
and
5
of
CN9
,
connects the system power LED indicator to its respective
switch on the case.
Pins 1
&
3
are +, and
pin 5
is assigned as -.
The Power LED lights up when the system is powered ON and
blinks when it is in Sleep mode.
External Speaker and Internal Buzzer Connector
Pins 2, 4, 6,
and
8 of CN9
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 (+).
SBC81613VEC, VECD only supports external speaker.
External SMI Button Switch
This switch enables the connection between the
SBC81613
-
based system and the installed hardware.
Pins 11
&
12
of
CN9
support the SMI switch function.
System Reset Switch
Pins 17
&
18
of
CN9
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 CN9
connect the hard disk drive and
the front panel HDD LED.
Pins 19
is -, and
pin 20
is assigned
as +.
