AR-B1890 User’s Manual
22
GPIO Connector ( CN13 )
Pin Assignment
1 GPI
2 GPO
3 GPI
4 GPO
5 GPI
6 GPO
7 GPI
8 GPO
9 5V
10 GND
CPU Fan Connector ( CN14 )
Pin Assignment
1 GND
2 12V
3 FAN
Sense
PS2 KB / MS Connector ( PS2-KBMS1 A / B )
Pin Assignment
Pin Assignment
1
KB_DATA
2
N / C
3 GND
4 KB_VCC
5
KB_CLK
6
N / C
7
MS_DATA
8
N / C
9 GND
10 KB_VCC
11
MS_CLK
12
N / C