V28B Chapter 2 Hardware Installation
16
2-4 IDE1 IDE2 and FDD
The mainboard has a 32-bit Enhanced IDE controller that provides PIO mode 0-4, Bus
Master, and Ultra DMA 33/66 function. It has two HDD connectors IDE1 (primary) and
IDE2(secondary). You can connect up to four hard disk drives, CD-ROM and other devices to
IDE1 and IDE2.
Moreover, to each group of IDE connector, IDE can connect a Master and aSlave driver.
IDE1 Primary IDE Connector marked with blue
The first hard drive should always be connected to IDE1. IDE1 can connected a Master and a
slave drive. You must configure second hard drive to slave mode by setting the jumper
accordingly.
IDE2 Secondary IDE Connector
IDE2 can also connect a Master and a Slave drive.
It is suggested that you connect the IDE devices to your IDE cable as the figure shown above.
Each IDE channel either primary or secondary supports two IDE device which must be set
differently to master mode and slave mode.(Refer to you hard disk and CD-Rom user manual for
detail settings of IDE master and slave mode.)
IDE 1
IDE 2
Slave
Master
Master
Slave
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