IEI Integration IMBA-Q870-i2 - Manual (Page 60)

IMBA-Q870-i2 ATX Motherboard
Page 42
The SMBus (System Management Bus) connector provides low-speed system
management communications.
Figure 3-24: SMBus Connector Location
PIN DESCRIPTION
1 GND
2 SMB_DATA
3 SMB_CLK
4 +5V
Table 3-24: SMBus Connector Pinouts
3.2.24 SPI Flash Connector
CN Label: JSPI1
CN Type: 8-pin header
CN Location: See Figure 3-25
CN Pinouts: See Table 3-25
The SPI flash connector is used to flash the SPI ROM.