Chapter
1
Motherboard
Description
1-20
1.6.5 AUX Power Connector: JAUXPWR1 (Optional)
PIN Assignment
PIN Assignment
1 VCC 3
Ground
2 Ground 4 +12V
1.6.6 Hard Disk Connectors: IDE1/IDE2
The motherboard has a 32-bit Enhanced PCI IDE Controller that provides PIO
Mode 0~4, Bus Master, and Ultra DMA / 33, Ultra DMA / 66,Ultra DMA / 100
functionality. It has two HDD connectors IDE1 (primary) and IDE2 (secondary).
You can connect up to four hard disk drives, a CD-ROM, a 120MB Floppy
(reserved for future BIOS) and other devices to IDE1 and IDE2. These
connectors support the IDE hard disk cable provided.
•
IDE1 (Primary IDE Connector)
The first hard drive should always be connected to IDE1. IDE1 can connect a
Master and a Slave drive. You must configure the second hard drive on IDE1 to
Slave mode by setting the jumper accordingly.
•
IDE2 (Secondary IDE Connector)
The IDE2 controller can also support a Master and a Slave drive. The configuration
is similar to IDE1. The second drive on this controller must be set to slave mode.
1.6.7 Floppy Disk Connector: FDD1
The motherboard provides a standard floppy disk connector (FDC) that supports
360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types. This connector supports
the provided floppy drive ribbon cables.
