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A1SQN/A1SQN-E Motherboard User’s Manual
Headers/Connectors
Connector
Description
COM1
COM1 Port
J1
JTAG Header
J11
USB Type B Port
J12
I2C Header
J102
Micro SD Card Slot
JBAT1
RTC Battery Connector
JIN1
Alternative Power Input when DC Jack is not in use
JIO1
2X10 External I/O
JP3V3
JIO1 3.3V Output (See page 2-13 for settings)
JP5V
JIO1 5V Output (See page 2-13 for settings)
JP3
2x4 SPI Flash Image Programming Header
JPE1
Full/Half Length Mini PCIe Card Slot with one USB 2.0 Interface
JPE2
Half Length Mini PCIe Card Slot
JPWR1
5V-18V Motherboard Power connector
JUIDB1
H/W Reset Button
JZB1/JZB2
ZigBee Headers
LAN0
10/100Mb Ethernet Port
LAN1
General Software program to Bridge LAN Port
USB1
USB 2.0 Port
LED Indicators
LED
Description
Color
Status
LED7
MicroSD Read/Write Indicator
Green
On