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I/O Connectors
• Two connectors for 4 additional external USB 2.0 por ts
(compliant with USB 1.1)
• One connector for external line-out and mic-in jacks
• Two internal audio connectors (AUX-in and CD-in)
• One 4-channel audio output connector (PE21-EC/A and
PE21-EL/A only)
• One S/PDIF-in connector (PE21-EC/A and PE21-EL/A only)
• One S/PDIF-out connector (PE21-EC/A and PE21-EL/A only)
• One connector for IrDA interface
• Two IDE connectors
• One floppy drive interface supports up to two 2.88MB floppy
drives
• Two ATX power supply connectors
• One Wake-On-LAN connector
• One Wake-On-Ring connector
• CPU fan, chassis fan and second chassis fan connectors
PCI Bus Master IDE Controller
• Two PCI IDE interfaces support up to four IDE devices
• Supports ATA/33, ATA/66, ATA/100 and ATA/133 hard drives
• UDMA Modes 3, 4, 5 and 6 Enhanced IDE (data transfer rate
up to 133MB/sec.)
• Bus mastering reduces CPU utilization during disk transfer
• Supports ATAPI CD-ROM, LS-120 and ZIP
S/PDIF (PE21-EC/A and PE21-EL/A only)
The system board is equipped with the S/PDIF (Sony/Philips Digital
Interface) digital audio interface. S/PDIF is a standard audio file
transfer format that transfers digital audio signals to a device without
having to be converted first to an analog format. This prevents the
quality of the audio signal from degrading whenever it is converted
to analog.
IrDA Interface
he mainboard is equipped with an IrDA connector for wireless
connectivity between your computer and peripheral devices.
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