Shenzhen Maxtang Computer Co., Ltd
11
2.10 GPIO
(Screen Printing: GPIO)
The board provides a set of 2x5Pin GPIO (2.0mm spacing) 8 programmable I/O lanes in total.
GPIO
(Screen Printing: GPIO)
Signal
Pin
Pin
Signal
SIO_GP70
1
2
3.3V
SIO_GP71
3
4
SIO_GP74
SIO_GP72
5
6
SIO_GP75
SIO_GP73
7
8
SIO_GP76
GND
9
10
SIO_GP77
2.11 Board Power Supply
(Screen Printing: PWR2)
The board provides a 5.5mm*2.5mm DC power interface, and a 2x2 ATX power supply interface supports
12V DC
-
in.
PWR2
(Screen Printing: PWR2)
Pin
Signal
1
VCC
2
VCC
3
GND
4
GND
2.12 Switch Button/Light Indicator
(Screen Printing: JPOWER)
The board has a set of 2.0mm spacing pins that can be connected to a switch button, a system reset
button, a hard disk read/write indicator, and a power
-
on indicator.
JPOWER
(Screen Printing: JPOWER)
Signal
Pin
Signal
1
2
HDD_LED
-
3
4
PWR_LED
-
RSTBTN
-
5
6
7
8
PWR_ON
-
NC
9
10
(NC)
2.13 Audio Interface
The board features a Realtek HD audio codec, supports a 3.5mm Line
-
out/MIC two
-
in
-
one combo jack
(CTIA American standard), and a built
-
in dual
-
channel power amplifier output socket for connecting passive
speakers.