
IMBA-Q770 ATX Motherboard
Page 37
Pin Description
1 +5V_DUAL
2 SMBCLK
3 SMBDATA
4 GND
Table 3-18: SMBus Connector Pinouts
3.2.22 SPI ROM Connector
CN Label: JSPI1
CN Type:
8-pin header
CN Location:
See Figure 3-23
CN Pinouts:
See Table 3-19
The SPI connector is used to flash the BIOS.
Figure 3-23: SPI Connector Location
Pin Description Pin Description
1 +3.3V 2 GND
3 CS0 4 CLK
5 SO0 6 SI
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