User manual

29 AIMB-781 User Manual
Chapter 2 Connecting Peripherals
2.21 Auxiliary 4-pin power connector (ATX12V1)
To ensure the enough power is supplied to the motherboard, one auxiliary 4-pin
power connector is available on the AIMB-781. ATX1 must be used to provide suffi-
cient 12 V power to ensure the stable operation of the system.
2.22 SPI Flash connector(SPI_CN1)
SPI flash card pin header which can flash BIOS while AIMB-781 can not be power on
and ensures platform integrity.
ATX12V1
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