Aaeon MIX-H310A2 Manual page 31

9. BIOS programmable header (8-pin SPI_1)
Use this header to flash the BIOS ROM.
10. Serial Port header (10-pin COM2)
This header is for a serial (COM) port. Connect the serial port module cable
to the header, then install the module to a slot opening at the back of the
system chassis.
NOTE: The COM module is purchased separately.
Chapter 2: Motherboard information
SPI_1
PIN 1
+3V_SPI
S_SPI_CS0#Q
S_SPI_MISO_2Q
(NC)
COM2
PIN 1
GND
S_SPI_CLK_2Q
S_SPI_MOSI_2Q
(NC)
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