DFI 586ITXD, Руководство пользователя

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586ITXD System Board User’s Manual
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saves energy, prevents system overheat, prolongs fan life and
implements a silent system. Refer to the “CPU Fan Connector”
section (Appendix B) for more information.
Dual Function Power Button
Dual Function Power Button allows two distinct OFF modes. If you
accidentally pushed the power button, it enters the Suspend mode
and if released in less than 4 sec., the system returns to normal. The
purpose of this function is to prevent the system from powering off
in case you accidentally “hit” or pushed the power button. “Soft-Off
By PWR-BTTN” in the Power Management Setup (Chapter 2) 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 a maximum of 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 up to 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 keyboard port
USB Ports
The system board is equipped with two USB ports. USB allows
data exchange between your computer and a wide range of
simultaneously accessible external Plug and Play peripherals.