IEI Integration NANO-PV-D4252_N4552_D5252 - Manual (Page 48)

NANO-PV-D4252/N4552/D5252 EPIC SBC
Page 34
Figure 3-22: SMBus Connector Locations
PIN NO. DESCRIPTION
1 GND
2 SMBDATA
3 SMBCLK
4 VCC5S
Table 3-23: SMBus Connector Pinouts
3.2.22 SPI Flash Connector
CN Label: SPI1
CN Type: 8-pin header (2x4)
CN Location: See Figure 3-23
CN Pinouts: See Table 3-24
The 8-pin SPI Flash connector is used to flash the BIOS.
Figure 3-23: SPI Flash Connector
Pin Description Pin Description
1 VCC 2 GND
3 CS# 4 CLOCK