www.giadatech.com
www.giadatech.com
www.giadatech.com
www.giadatech.com
NI-A20
Thank you for choosing the NI-A20 Mainboard,The NI-A20 is based on Allwinner A20,ARM Cortex-
A7,ARM Mali-400 MP2,2*COM Port,1*LVDS,1*HDMI and 1*100Mbps delivers a high performance
and professional Nano ITX solution.
WARNING:
This motherboard contains static-sensitive components and should be handled with care. Failure
to employ adequate anti-static measures can cause partial or complete device failure, performance
degradation, or reduced operating life; even may damage the motherboard. To avoid electrostatic
discharge (ESD) damage upon handling this product, it is strongly recommended that you wear a
grounded wrist strap or other static dissipating device.
Remark:The picture shown in this document is only a model of our series
products, the actual object is subject to change depends on the model you
purchase.
Connectors and Jumpers:
1.SPKER1
2.MIC1
3.HD_SPDIF
4.BAT_CMOS
5.P2
6.J4
7.VGA2
Pin1-2
VOL+
Pin3-4
VOL-
PIN1-2
USB OTG
PIN2-3
USB Host
DC-IN
TF
HDMI
RJ45
USB/OTG Audio
USB
LED Power IR Receiver
Burn
COM3
COM2
SATA
Recover
Back View
Front View
Side View
19
LOCK
A
1
B
C
AC
AB
AA
Y
L
D
E
F
G
H
J
K
M
N
P
R
T
U
V
W
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
12
18
19
29
36
5
4
11
9
A
N
9
1
A
N
9
A
N
9
1
A
2
-
+
L-
R-
L+
R+
+
14
1
-
+
1 3 5 7 9 11 13 15 17 19 21 23 25 27 29
2 4 6 8 10 12 14 16 18 20 22 24 26 28 30
OPEN
BA
TP1
BA
TN1
SIM_CARD
U607
U13
ANT2
ANT1
U1
U608
U15
Q11
U5
LED1
M3
M4
M1
M2
BT1
PBT1
HD-SPDIF
1
2 3
PH1
USB1
LAN
HDMI1
TF
PJ5
ATX1
J4
1
2
3
Mini_PCIe
VGA2
SIM
4
3
2
1
5
6
J9
1
3
2
4
5
6
HD1
IR_HD1
1
2
3
1
2
3
4
5
6
1 2 3 4
USB3
J1
USB4 USB5
LVDS
1
2
3
4
SATA_PWR
1
2
3
4
1
SYS_FAN
2
3
4
P2
J5
1
2
BAT_CMOS
SPKER1
1
2
MIC1
RECOVER
1
4
3
2
1
5
6
J3
1
2
5
4
3
6
7
8
9
10
11
12
13
14
2
3
4
6
8
5
7
9
10
9
COM2
2
1
3
4
COM3
6.J4
4.BAT_CMOS
3.HD_SPDIF
2.MIC1
1.SPKER1
11.USB3
12.SYS_FAN
13.SATA_PWR
5.P2
16.J5
14.ANT2
18.J1
19.IR_HD1
20.LVDS
21.HD1
22.ANT1
10.J3
9.Mini_PCIe
8.ATX1
7.VGA2
17.COM2/COM3
23.J9
2
4
6
8
10
3
5
7
9
SATA
7
8
15.SATA
(MIC port)
(3 Pin SPDIF )
(RTC clock power supply)
(Speaker Volume control socket)
(USB OTG&HOST default USB Host)
(14 pin VGA )
1 SDA_VGA
2
SCL_VGA
3 VGA_DET_P(Need connect to GND)
4
VGA_VCC_F
5 GND
6
VGA_VSYNC
7 GND
8
VGA_VSYNC
9 GND
10 VGA_B
11 GND
12 VGA_G
13 GND
14 VGA_R
15 GND
16 GND