21 spi flash connector – IEI Integration NOVA-HM551 v1.00 User 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.