Computer Computer Hardware User's Manual

2-12
MS-9826 Mainboard
SPI Flash ROM Connector: JSPI1
This connector is used to flash SPI flash ROM.
Pin Description Pin Description
1 VCC3_SB 2 VCC3_SB
3 SPI_MISO_F 4 SPI_MOSI_F
5 SPI_CS0_F# 6 SPI_CLK_F
7 GND 8 GND
9 SPI_HOLD# 10 NC
Pin Definition
I2C Bus Connector: J1
The mainboard provides one I2C (also known as I
2
C) Bus connector for users to
connect System Management Bus (SMBus) interface.
Pin Signal
1 VCC5F
2 SMBCLK
3 GND
4 SMBDATA
Pin Definition
J1
4
1
1
JSPI1
2
9
10
PDF created with pdfFactory Pro trial version www.pdffactory.com