Smbus Connector; Figure 3-28: Smbus Connector Location; Table 3-25: Smbus Connector Pinouts - IEI Technology IMBA-Q170-i2 User Manual

3.2.27 SMBus Connector

CN Label: SMB1
4-pin wafer, p=1.25 mm
CN Type:
CN Location: See Figure 3-28
CN Pinouts: See Table 3-25
The SMBus (System Management Bus) connector provides low-speed system
management communications.

Figure 3-28: SMBus Connector Location

Pin Description
1 GND
2 SMB_DATA
3 SMB_CLK
4 +5V

Table 3-25: SMBus Connector Pinouts

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IMBA-Q170-i2 ATX Motherboard