AXIOMTEK PICO121 User Manual page 103

CN1 is a 2x30-pin low speed board to board connector. Its pin assignments are given as
follows.
Pin Signal
1 MIC_IN
3 LINE_IN_L
5 LINE_IN_R
7 AUDIO_GND
9 COMGND
11 DCD1
13 RXD1
15 TXD1
17 DTR1
19 COMGND
21 DCD2
23 RXD2
25 TXD2
27 DTR2
29 GND
31 USB_PWR0
33 C_USB_PN6
35 C_USB_PP6
37 USB0_GND
39 USB_PWR1
41 C_USB_PN8
43 C_USB_PP8
45 USB1_GND
47 +3.3V
49 +3.3V
51 +3.3V_DUAL
53 +3.3V_DUAL
55 HW_RESET_N
57 HDD_ACT#
59 GND
Note
AX93278 I/O Board (Optional)
PICO121 AMD G-Series Embedded SoC Pico-ITX Board
Pin Signal
2 LINE_O_L
4 LINE_O_R
6 AUDIO_GND
8 +5V
10 +5V
12 DSR1
14 RTS1
16 CTS1
18 RI1
20 +5V
22 DSR2
24 RTS2
26 CTS2
28 RI2
30 GND
32 USB_PWR0
34 C_USB_PN7
36 C_USB_PP7
38 USB0_GND
40 USB_PWR1
42 C_USB_PN9
44 C_USB_PP9
46 USB1_GND
48 GND
50 GND
52 FP_PSIN_N
54 GND
56 +5V
58 +12V
60 +12V
Please gently insert CN2 and CN1 into CN4 and CN5 on PICO121.
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