IEI Technology WAFER-EHL Series, User Manual, Page: 47 / 142

WAFER-EHL SBC
Page 35
3.2.19 Flash SPI ROM Connector
CN Label: JBIOS1
CN Type: 6-pin wafer, p=1.25 mm
CN Location: See Figure 3-20
CN Pinouts: See Table 3-21
The 6-pin Flash SPI ROM connector is used to flash the BIOS.
Figure 3-20: Flash SPI ROM Connector Location
Pin Description
1 +3.3V
2 SPI_CS#
3 SPI SO
4 SPI CLK
5 SPI SI
6 GND
Table 3-21: Flash SPI ROM Connector Pinouts