DFI 586ITBD, User Manual

Page: 9 / 89

1
Introduction
9
Dual Function Power Button
Depending on the setting in the BIOS setup, this switch will allow
your system to enter the Soft-Off or Suspend mode. “Soft-Off By
PWR-BTTN” in the Power Management Setup (Chapter 3) allows
you to select the method of powering off your system.
HDD Interface
• Two PCI IDE interfaces support up to four IDE devices
• Ultra DMA/33 supported (Synchronous DMA mode - data
transfer rate up to 33MB/sec.)
• PIO Mode 3 and Mode 4 Enhanced IDE (data transfer rate up
to 16.6MB/sec.)
• Bus mastering reduces CPU utilization during disk transfer
• ATAPI CD-ROM supported
• LS-120 and ZIP supported
FDD Interface
• One floppy drive interface supports two 360KB, 720KB,
1.2MB, 1.44MB, or 2.88MB floppy drives.
Onboard I/O
• Two NS16C550A-compatible serial ports
• One SPP/ECP/EPP parallel port
• One PS/2 mouse port
• One PS/2 or AT keyboard port
• One 20-pin ATX power supply connector
• One 12-pin standard AT power supply connector
USB Ports
The system board is equipped with two connectors for external
USB ports. USB allows data exchange between your computer
and a wide range of simultaneously accessible external Plug and
Play peripherals.