2.11
AT/ATX Mode Selection Connector (PSON1)
AIMB-U233 supports ATX/AT mode selection by jumper, the default setting is pin 2-3
ATX mode.
2.12
SPI Flash Connector (SPI_CN1)
The SPI flash card pin header may be used to flash the BIOS.
AIMB-U233 User Manual
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