Axiomtek PICO841 User Manual
Page 28

PICO841 Intel
®
Atom
TM
Processor E3845/E3827 Pico-ITX Board
22
Board and Pin Assignments
2.5.14
Full-size PCI-Express Mini Card and mSATA Connector
(SCN1)
This is a full-size PCI-Express Mini Card connector on the bottom side complying with
PCI-Express Mini Card Spec. V1.2. It supports either PCI-Express, USB 2.0 or SATA
(mSATA). Since the default setting is mSATA, if the PCI-Express Mini Card is needed to
insert, please refer to section 6.4 to change the setting.
SCN1
Pin Signal
Pin
Signal
1
WAKE#
2
+3.3V_SBY
3
No use
4
GND
5
No use
6
+V1.5S
7
CLKREQ#
8
SIM PWR
9
GND
10
SIM I/O
11
CLK_PICE_ N
12
SIM CLK
13
CLK_PICE_ P
14
SIM RST
15
GND
16
SIM VPP
17
No use
18
GND
19
No use
20
+3.3V_SBY
21
GND
22
PLTRST
23
mSATA_RXP
/PCIE_RXN
24
+3.3V_SBY
25
mSATA_RXN
/PCIE_RXP
26
GND
27
GND
28
+V1.5S
29
GND
30
SMB_CLK
31
mSATA_TXN
/PCIE_TXN
32
SMB_DATA
33
mSATA_TXP
/PCIE_TXP
34
GND
35
GND
36
USB_PN2
37
GND
38
USB_PP2
39
+3.3V_SBY
40
GND
41
+3.3V_SBY
42
No use
43
GND
44
No use
45
No use
46
No use
47
No use
48
+V1.5S
49
No use
50
GND
51
No use
52
+3.3V_SBY