Axiomtek PICO841 - 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