IEI Technology WAFER-PV-D5252, User Manual, Page: 45 / 142

WAFER-PV-D5252/D4252/N4552 SBC
Page 32
3.2.18 SMBus Connector
CN Label: CN3
CN Type: 4-pin wafer
CN Location: See Figure 3-19
CN Pinouts: See Table 3-20
The SMBus (System Management Bus) connector provides low-speed system
management communications.
Figure 3-19: SMBus Connector Location
Pin Description
1 GND
2 SMBDATA
3 SMBCLK
4 +5V
Table 3-20: SMBus Connector Pinouts
3.2.19 SO-DIMM Connector
CN Label: DIMM1
CN Type: 204-pin DDR3 SO-DIMM connector
CN Location: See Figure 3-20
The SO-DIMM connector is for installing memory on the system.