3-9
Mainboard Hardware
Connectors
SM Card 3rd I2C Bus Connector: JSMB1
The mainboard provides one I2C (also known as I
2
C) Bus connector for users
to connect to System Management Bus (SMBus) interface.
JSMB1
1
3
PIN
SIGNAL
1
DATA
2
CLK
3
ALT#
JSMB1 Pin Definition
Hard Disk Connector: IDE
The mainboard has a 32-bit Enhanced PCI IDE and Ultra DMA 33/66/100/133
controller that provides PIO mode 0~4, Bus Master, and Ultra DMA 33/66/100/133
function. You can connect up to two hard disk drives, CD-ROM, 120MB Floppy
(reserved for future BIOS) and other devices.
The IDE can connect a Master and a Slave drive. You must configure second
hard drive to Slave mode by setting the jumper accordingly.
IDE
