User`s manual

PICO121 AMD G-Series Embedded SoC Pico-ITX Board
100 AX93278 I/O Board (Optional)
A.6.6 HDMI Connector (CN7)
The HDMI (High-Definition Multimedia Interface) is a compact digital interface which is
capable of transmitting high-definition video and high-resolution audio over a single
cable. Its interface is available through connector CN7.
19 1
18 2
A.6.7 System Reset Switch (CN8)
This switch reboots your computer without turning off the power supply. It is a better way
to reboot your system for a longer life of the system power supply.
A.6.8 Audio Connector (AUDIO1)
This is a 2x5-pin box header for audio interface. Install audio driver, and then attach
audio devices to AUDIO1.
A.6.9 Power and HDD LED Indicator (D1)
The red LED is linked to Hard Disk Drive (HDD) activity signal. LED flashes every time
HDD is accessed.
The green power LED lights up and will remain steady while the system is powered on.
Pin
Signal
Pin
Signal
1
HDMI OUT_DATA2+
2
GND
3
HDMI OUT_DATA2-
4
HDMI OUT_DATA1+
5
GND
6
HDMI OUT_DATA1-
7
HDMI OUT_DATA0+
8
GND
9
HDMI OUT_DATA0-
10
HDMI OUT_Clock+
11
GND
12
HDMI OUT_Clock-
13
CEC
14
N.C.
15
HDMI OUT_SCL
16
HDMI OUT_SDA
17
GND
18
+5V
19
HDMI_HTPLG
Function
Description
On
Reset system
Off
Keep system status
Pin
Signal
Pin
Signal
1
MIC_IN
2
GND
3
NC
4
GND
5
NC
6
GND
7
AUDIO_OUT_L
8
GND
9
AUDIO_OUT_R
10
GND
LED Color
Description
Red
Hard disk drive activity
Green
Power on/off