Introduction; Preface; Key Features; Performance List - Gigabyte GA-486AM User Manual

______________________________________________________________________

1INTRODUCTION

1.1 PREFACE

Welcome to use the GA-486AM motherboard. The motherboard is a 128 KB - 1 MB
CACHE 486DX series PC/AT compatible system with ISA bus, PCI (Peripheral
Component Interconnect) bus and has been designed to be the fastest 486 PC/AT system
and the GREEN FUNCTION (Power-Down Mode) had been added. There are some new
features allowing you to operate the system with just the performance you want.
This manual also explains how to install the motherboard for operation, and how to set up
your CMOS CONFIGURATION with BIOS SETUP program.

1.2 KEY FEATURES

•
80486 based PC/AT compatible mainboard with ISA and PCI Bus.
•
Supports 3 Master PCI bus slots .
•
Supports 486DX / DX2 / SX / S-Series / OverDrive / P24D / P24T / DX4 running at 25 -
100 MHz.
•
Supports True Green Function.
•
Supports Intel, AMD, Cyrix and UMC CPU.
•
Supports 237 pin (Socket 3) ZIF White socket / LIF socket on board.
•
Supports 128 / 256 / 512 KB / 1 MB 2nd cache memory operated in BURST mode.
•
Write-Back cache operation.
•
Supports 2 - 128 MB DRAM memory on board.
•
Supports 2 channels Enhance PCI IDE ports for 4 IDE Devices.
•
Supports 2xCOM (16550) ports, 1xLPT (EEP / ECP) port, 1 Floppy port.
•
Supports shadow RAM for BIOS & VIDEO BIOS.
•
Supports shadow RAM cacheable function to improve performance.
•
Supports Hardware & Software speed change function.
•
Licensed AWARD BIOS.
•
2/3 Baby AT size (22 cm x 25 cm) with 4 AT slots and 3 PCI slots .

1.3 PERFORMANCE LIST

The following performance data list is the testing results with some popular benchmark
testing programs. These datas are just reference for users and there is no responsibility for
different testing data values gotten by users.( The different H/W & S/W configuration will
result in different benchmark testing results.)
______________________________________________________________________
1-1
Introduction