IEI Integration NOVA-HM551 v1.10 - Manual (Page 53)

NOVA-HM551 5.25" SBC
Page 39
Figure 3-21: SMBus Connector Location
Pin Description
1 GND
2 SMB_DATA
3 SMB_CLK
4 +5V
Table 3-22: SMBus Connector Pinouts
3.2.21 SPI Flash Connector
CN Label: JSPI1
CN Type: 8-pin wafer (1x6)
CN Location: See Figure 3-22
CN Pinouts: See Table 3-23
The 8-pin SPI Flash connector is used to flash the BIOS.