5. Definition of Jumpers / Headers and Connector
[1] Front USB Headers (5*2 Pin 2.54mm)
Location
Header
Pin
Definition
Pin
Definition
1
+ 5V
2
+ 5V
F_USB1
3
USB0-
4
USB1-
5
USB0+
6
USB1+
F_USB2
7
GND
8
GND
10
N/C
[2] GPIO Header
（
5*2 Pin 2.00 mm
）
Location
Header
Pin
Definition
Pin
Definition
1
GPO68
（
0x548,bit 4
）
2
GPO69
（
0x548,bit 5
）
3
GPO70
（
0x548,bit 6
）
4
GPO71
（
0x548,bit 7
）
J_GPIO1
5
GND
6
GPI1
（
0x50C,bit 1
）
7
GPI6
（
0x50C,bit 6
）
8
GPI7
（
0x50C,bit 7
）
9
GPI17
（
0x50E,bit 1
）
10
+ 5V
[3] SATA1 (Pin 7) Power Selection Jumper (3*1 Pin 2.54mm)
Location
Jumper
Setting
Function
SATA_P1
1-2
+ 5V
2-3(Default)
GND
Note: When Pin7 of SATA1 set to +5V (SATA_P1 jumps to 1-2), SATA1 can support SATA DOM.
[4] COM3 Signal selection Jumpers (3*1 Pin 2.0mm)
Location
Jumper
Setting
Function
JP1
1-2
RS232
JP2
2-3
RS485
[5] RS485 Header (COM3, 3*1 Pin 2.54mm)
Location
Header
Pin
Definition
Pin
Definition
J_1
1
RS485-
2
GND
3
RS485+
- 7 -
