User`s manual

PICO121 AMD G-Series Embedded SoC Pico-ITX Board
AX93277 I/O Board 29
3.5 AX93277 Connectors, Switches and LED
Signals go to other parts of the system through connectors. Loose or improper connection
might cause problems, please make sure all connectors are properly and firmly connected.
Here is a summary table which shows connectors, switches and LED on the hardware.
Connector
Description
CN2
High Speed Board to Board Connector
CN5
System Power Switch
CN6
COM Connector
CN8
Audio Jack
CN9
System Reset Switch
CN10
Low Speed Board to Board Connector
USB1~USB2
USB 2.0 Connectors
D1
Power and HDD LED Indicator
3.5.1 High and Low Speed Board to Board Connectors (CN2 and
CN10)
CN2 is a 2x20-pin high speed board to board connector. The pin assignments of CN2
are given as follows.
40 2
39 1
Pin
Signal
Pin
Signal
1
USB3_TX0_DP
2
DP0_HPD
3
USB3_TX0_DN
4
DP0_AUX_P
5
GND
6
DP0_AUX_N
7
USB3_RX0_DP
8
GND
9
USB3_RX0_DN
10
DP0_TX3_P
11
GND
12
DP0_TX3_N
13
USB3_TX1_DP
14
GND
15
USB3_TX1_DN
16
DP0_TX2_P
17
GND
18
DP0_TX2_N
19
USB3_RX1_DP
20
+5V
21
USB3_RX1_DN
22
DP0_TX1_P
23
GND
24
DP0_TX1_N
25
N/A
26
GND
27
PCIE_TXP2
28
DP0_TX0_P
29
PCIE_TXN2
30
DP0_TX0_N
31
GND
32
GND
33
PCIE_RXP2
34
PCIE_LAN1_CLK_P
35
PCIE_RXN2
36
PCIE_LAN1_CLK_N
37
GND
38
GND
39
PCIE_RST#
40
PCIE_WAKE_UP#