IEI Integration IMB-Q870-i2 - Manual (Page 56)

IMB-Q870-i2 microATX Motherboard
Page 40
3.2.21 SMBus Connector
CN Label: CN1
CN Type: 4-pin wafer
CN Location: See Figure 3-22
CN Pinouts: See Table 3-22
The SMBus (System Management Bus) connector provides low-speed system
management communications.
Figure 3-22: SMBus Connector Location
PIN DESCRIPTION
1 GND
2 SMB_DATA
3 SMB_CLK
4 +5V
Table 3-22: SMBus Connector Pinouts
3.2.22 SPI Flash Connector
CN Label: JSPI1
CN Type: 8-pin header