16 s/pdif connector : spdif_out, Audio connector : cd_in, Usb connectors : f_usb1/2/3 – Foxconn A79A-S User Manual
Page 23: Chassis intrusion alarm header : intr, Fan headers : cpu_fan, sys_fan, fan1/2/3

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S/PDIf Connector : SPDIf_oUT
The connector is used for S/PDIF output.
Audio Connector : CD_IN
CD_IN is a Sony standard audio connector, it can be
connected to a CD/DVD-ROM drive through a CD/DVD
audio cable.
USb Connectors : f_USb1/2/3
In addition to the six USB ports on the rear panel, this
product also provides three 10-pin USB headers on its
motherboard. By connecting through USB cables with
them, user can quickly expand another six USB ports on
the front panel.
Chassis Intrusion Alarm Header : INTR
The header can be connected to a security switch on
the chassis. The system can detect the chassis intru-
sion through the function of this header. If eventually the
chassis was closed, the system will send a message
out.
Fan Headers : CPU_FAN, SYS_FAN, FAN1/2/3
There are five fan headers on this motherboard. The fan
speed can be controlled and monitored in “PC Health
Status” section of the BIOS Setup. These fans can be
automatically turned off after the system enters S3, S4
and S5 sleeping states.
CD_IN
CD_L GND CD_R
1 2
10
9
NC
GND
VCC
D+
D-
D+
GND
D-
VCC
EMPTY
F_USB 1/2/3
SPDIF_OUT
+5V
EMPTY
SPDIF_OUT
GND
1
2
3
4
INTR
GND
INTRUDERJ
1
CPU_fAN
GND
POWER
SENSE
CONTROL
fAN_1/2/3
GND
+12V
NC
SYS_FAN
GND
POWER
SENSE
CONTROL