IEI Integration ICE-PV-N4551_D5251 - Manual (Page 38)

ICE-PV-N4551_D5251 COM Express Type 2 Module
Page 28
CN Type: 6-pin connector
CN Location: See Figure 3-6
CN Pinouts: See Table 3-4
The SPI connector is for flashing new BIOS onto the SPI BIOS chip.
Figure 3-6: SPI Flash Connector Location
Pin No. Description
1 GND
2 SPI_MOSI
3 SPI_CLK
4 SPI_MISO
5 SPI_CS#