You may use the 20-pin ATX power supply as you like. If you’d like to use the 20-pin ATX power
supply, please plug your power supply along with pin 1 & pin 13. There is also a foolproof design
on pin 11, 12, 23 & 24 to avoid wrong installation.
ATX 12V Power Connector: JPW1
This 12V power connector is used to provide power to the CPU.
Floppy Disk Drive Connector: FDD1
The mainboard provides a standard floppy disk drive connector that
supports 360K, 720K, 1.2M, 1.44M and 2.88M floppy disk types.
IDE Connector: IDE1/IDE2
The mainboard has dual Ultra DMA 66/100 controller that provides PIO mode 0~4, Bus
Master, and Ultra DMA 66/100 function. You can connect up to four hard disk drives,
CD-ROM, 120MB Floppy and other devices.
The first hard drive should always be connected to IDE1. IDE1 can connect a Master
and a Slave drive. You must configure second hard drive to Slave mode by setting the
jumper accordingly.
MSI Reminds You...
If you install two hard disks on one cable, you must configure the second drive to Slave mode by
setting its jumper. Refer to the hard disk documentation supplied by hard disk vendors for jumper
setting instructions.
Serial ATA Connectors controlled by Intel
®
ICH5: SATA1/SATA2
The mainboard provides dual high-speed Serial ATA interface ports. The ports
supper 1
st
generation Serial ATA data rates of 150MB/s and are fully compliant
with Serial ATA 1.0 specifications. Each Serial ATA connector can connect to 1 hard disk device.
MSI Reminds You...
Please do not fold the serial ATA cable in a 90-degree angle, which will cause the loss of data
during transmission.
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
Chassis Intrusion Switch Connector: JCI1
This connector is connected to a 2-pin chassis switch. JCI1 is
compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
7
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