User`s manual
PICO121 AMD G-Series Embedded SoC Pico-ITX Board
24 Board and Pin Assignments
2.5.15 SIM Card Slot (SCN2)
The SCN2 is for inserting SIM Card. It is mainly used in 3G wireless network application.
In order to work properly, the SIM Card must be used together with 3G module which is
inserted to SCN1 or SCN3.
2.5.16 Half-size PCI-Express Mini Card Connector (SCN3)
The SCN3 is a half-size PCI-Express Mini Card connector. It supports the PCI-Express
Mini Cards which are applied to either PCI-Express x1 or USB. It complies with
PCI-Express Mini Card Spec. V1.2.
Pin
Signal
1
PWR
2
RST
3
CLK
4
NC
5
GND
6
VPP
7
I/O
8
NC
Pin
Signal
Pin
Signal
1
WAKE#
2
+3.3VSB
3
RSVD1
4
GND
5
RSVD2
6
+1.5V
7
CLKREQ#
8
SIM_PWR
9
GND
10
SIM_I/O
11
REFCLK-
12
SIM_CLK
13
REFCLK+
14
SIM_RST
15
GND
16
SIM_VCC
17
RSVD3
18
GND
19
RSVD4
20
RSVD9
21
GND
22
PERST#
23
PE_RXN1
24
+3.3VSB
25
PE_RXP1
26
GND
27
GND
28
+1.5V
29
GND
30
SMB_CLK
31
PE_TXN1
32
SMB_DATA
33
PE_TXP1
34
GND
35
GND
36
USB_D5-
37
GND
38
USB_D5+
39
+3.3VSB
40
GND
41
+3.3VSB
42
RSVD
43
GND
44
RSVD
45
RSVD5
46
RSVD
47
RSVD6
48
+1.5V
49
RSVD7
50
GND
51
RSVD8
52
+3.3VSB