Preface; Feature Of Motherboard; Overview; Key Feature - JETWAY 993BSR4A User Manual

1-1 Preface

Thank you for purchasing this multifunction motherboard. It has the most flexibility that you can
find in today's computer market. The motherboard integrate both Intel Pentium®II/Pentium®III &
TM
Celeron (Slot 1 ) / Coppermine processor and Celeron
FC-PGA processor interface into a compact PC/AT compatible system along with PCI local bus
and many other new feature that meets future specification.

1-2 Feature of motherboard

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 and Hardware solution for setting Front Side Bus Frequency (CPU
Host Clock) 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".
•
Support 66MHz~100MHz of Front Side Bus Frequency. This function allow user select
CPU Bus Frequency by the BIOS to approach Over-Clock possibility.
•
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).

1-2-2 Key Feature

•
Multi-Speed Support ¡ G Provide 66/75*/83*/95*/100/112*/117*/124*/133*MHz Front Side
Bus Frequency to support Intel
interface or Intel Celeron PPGA on a ZIP Socket 370 interface.
•
Chipset ¡ G VIA Apollo Pro-Plus AGPset .
Chapter 1
Pentium ® II / Pentium ®
1
TM
(Socket 370) PPGA / Coppermine
III, Celeron processor for Slot1