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17. Serial port connectors (10-1 pin COM1, COM2)
These connectors are for serial (COM) ports. Connect the serial port cables
to these connectors, then install the module to a slot opening at the back of
the system chassis.
EMB-Q87A Serial port connector
Pin
Signal
1
DCD
3
TXD
5
GND
7
RTS
9
RI/+12V/+5V
NOTE: The serial port cables are purchased separately.
18.
SPI flash programmable connector (8-pin SPI_1)
Use this connector to flash BIOS SPI ROM.
EMB-Q87A SPI flash programmable connector
Chapter 2: Motherboard information
COM2
PIN 1
Pin
Signal
2
RXD
4
DTR
6
DSR
8
CTS
10
N.C.
SPI
(NC)
(NC)
SPI_MOSI
SPI_MISO
SPI_CLK
SPI_CS#
GND
+V3.3SPI
PIN 1
COM1
PIN 1
2-25
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