beautypg.com

22 spi rom connector, Figure 3-23: spi connector location, Table 3-18: smbus connector pinouts – IEI Integration IMBA-Q770 User Manual

Page 52

background image

IMBA-Q770 ATX Motherboard

Page 37

Pin Description

1 +5V_DUAL

2 SMBCLK

3 SMBDATA

4 GND

Table 3-18: SMBus Connector Pinouts

3.2.22 SPI ROM Connector

CN Label:

JSPI1

CN Type:

8-pin header

CN Location:

See Figure 3-23

CN Pinouts:

See Table 3-19

The SPI connector is used to flash the BIOS.

Figure 3-23: SPI Connector Location

Pin

Description

Pin

Description

1

+3.3V

2

GND

3

CS0

4

CLK

5

SO0

6

SI