Preface; Feature Of Motherboard; Overview - JETWAY 993AN User Manual

1-1 Preface

Thank you for purchasing this multifunction motherboard. It has the most flexibility you can find
in today's computer market. The mainboard integrates both Intel
Celeron™(Slot 1 & Socket 370) processor interface into a compact PC/AT compatible system
along with 3D Stereo Sound System audio chip. Moreover, this mainboard allows you
conditionally approach 150MHz * of Front Side Bus Frequency.

1-2 Feature of motherboard

This motherboard is design for the PC user who wants highest possible quality and value in a
small package. It includes following main features ：

1-2-1 Overview

•
Support both Slot 1 & Socket 370 CPU interface (You can only use one CPU interface
at a time).
•
Support Ultra DMA 66 for newer hard disk interface.
•
Support Jump-less solution for setting Front Side Bus Frequency (CPU Host Clock)
and CPU ratio under CPU Host/PCI clock of CHIPSET FEATURES SETUP.
•
Support CPU Host Clock and DRAM Clock Asynchronous/Synchronous mode, please
refer page 18 " DRAM Clock".
•
Conditionally support 66MHz~150MHz * of Front Side Bus Frequency. This function
allow user select CPU Bus Frequency by the BIOS to approach Over-Clock possibility.
•
Provide PC Health Monitoring to track CPU temperature, system temperature, system
voltage, and fan speed. When CPU current temperature is over CPU warning
temperature, system will slow down automatically in order to reduce the CPU's
temperature. (Option for motherboard that embedded PC Health chip)
•
Logo-DIY: Provide CBROM utility for user to create their own loge in the BIOS.
•
Built in high quality PCI-Based HRTF 3D Extension Positional Audio Chip (Option for
motherboard that embedded Audio chip)
- Supports rear side speakers, C3DX positional audio in 4 channels speaker mode.
- Professional digital audio interface to support 24-bit SPDIF IN and OUT (44.1K and 48K
format).
HRTF-base 3D positional audio, supporting DirectSound™ 3D and Aural A3D™ interface.
-
- Digital functions that capable to provide hi-fi stereo, Dolby, 3D surround effects, and
playing MP3 music.
•
You can add our Optical kit (Option for motherboard that embedded Audio chip) to
connect any optical Input/Output device for super high quality sound transaction,
such as playing & recording MD(Mini Disk)/CD; CD-ROM directly recording to MD;
combine with DVD player to create a home theater system (This upgrade kit includes
Optical Module, Optical Cable, and Software DVD Driver).
Chapter 1
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Pentium ® II / Pentium ® III
&