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Chapter 3: Motherboard Connections
Mini PCI-E Slot
The Mini PCI-E slot, located at JMP1 on the bottom side of the motherboard, is used to install
a compatible Mini PCI-E device. The Mini PCI-E slot supports modules which are USB or
PCI-E x1 devices, such as wireless, GNSS, and Bluetooth modules. See the table below for
Mini PCI-E
Pin Denition
Pin# Denition Pin# Denition
52 +3.3Vaux 51 NC
50 GND 49 NC
48 +1.5V 47 NC
46 NC 45 NC
44 NC 43 NC
42 NC 41 +3.3Vaux
40 GND 39 NC
38 USB_D+ 37 GND
36 USB_D- 35 GND
34 GND 33 PETp0
32 SMB_DATA 31 PETn0
30 SMB_CLK 29 GND
28 +1.5V 27 GND
26 GND 25 PERp0
24 +3.3Vaux 23 PERn0
22 PERST# 21 DET_CARD_
PLUG
20 NC 19 NC
18 GND 17 NC
16 NC 15 GND
14 NC 13 REFCLK+
12 NC 11 REFCLK-
10 NC 9 GND
8 NC 7 CLKREQ#
6 1.5V 5 NC
4 GND 3 NC
2 3.3Vaux 1 WAKE#
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