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I/O Connectors
Digital I/O Connector
The 4-bit in and 4-bit out Digital I/O connector provides powering-on function to external de-
vices that are connected to these connectors.
Digital I/O Connector
Pins
1
3
5
7
9
11
13
15
17
19
Chapter 5 Ports and Connectors
2
1
20
19
4-bit in and 4-bit out
DIO with power
Function
Pins
Function
DIN0A
2
DOUT0A
DIN0B
4
DOUT0B
DIN1A
6
DOUT1A
DIN1B
8
DOUT1B
DIN2A
10
DOUT2A
DIN2B
12
DOUT2B
DIN3A
14
DOUT3A
DIN3B
16
DOUT3B
+5V
18
+5V_standby
GND
20
GND
Chapter 5
Expansion Slots
SIM slot
SIM Slot
The SIM slot on the system board is used to insert a SIM card.
Mini PCI Express Slot
The Mini PCI Express slot on the system board is used to install a half and/or full size Mini
PCIe card such as network cards or other cards that comply to the mini PCI Express specifica-
tions into the mini PCI Express slot.
25
Mini PCIe slot for
Mini PCIe slot for
PCIe x1, USB, and 3G
PCIe x1, USB, and Wi-Fi
signals
signals
Mini PCIe for
mSATA
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