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TABLE OF CONTENTS
1.
1.1. PREFACE.............................................................................................................1-1
1.2. KEY FEATURES ..................................................................................................1-1
1.3. PERFORMANCE LIST.........................................................................................1-2
1.4. BLOCK DIAGRAM ...............................................................................................1-3
1.6. What is AGP .......................................................................................................1-6
2.
2.1. HARDWARE ........................................................................................................2-1
2.2. SOFTWARE.........................................................................................................2-2
2.3. ENVIRONMENT...................................................................................................2-2
3.
3.1. UNPACKING ........................................................................................................3-1
3.2. MAINBOARD LAYOUT ........................................................................................3-1
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS ................................3-3
3.4. DRAM INSTALLATION........................................................................................3-6
3.5. CPU SPEED SETUP ...........................................................................................3-6
3.6. CMOS RTC & ISA CFG CMOS SRAM................................................................3-7
3.7. SPEAKER CONNECTOR INSTALLATION ........................................................3-7
3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION.......................3-7
II Processor ..........................................................1-4
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Summary of Contents for Gigabyte 686LX3
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Page 1: Table Of Contents
Table Of Contents TABLE OF CONTENTS INTRODUCTION 1.1. PREFACE......................1-1 1.2. KEY FEATURES ....................1-1 1.3. PERFORMANCE LIST..................1-2 1.4. BLOCK DIAGRAM ....................1-3 1.5. INTRODUCE THE Pentium II Processor ............1-4 1.6. What is AGP .......................1-6 SPECIFICATION 2.1. HARDWARE ......................2-1 2.2. SOFTWARE......................2-2 2.3. ENVIRONMENT....................2-2 HARDWARE INSTALLATION 3.1. - Page 2 686LX3 3.9. POWER LED CONNECTOR INSTALLATION ...........3-8 3.10. IDE & ATAPI DEVICE INSTALLATION.............3-8 3.11. PERIPHERAL DEVICE INSTALLATION............3-8 3.12. KEYBOARD & PS/2 MOUSE INSTALLATION..........3-8 BIOS CONFIGURATION 4.1. ENTERING SETUP .....................4-1 4.2. CONTROL KEYS ....................4-1 4.3. GETTING HELP....................4-2 4.3.1. Main Menu....................4-2 4.3.2. Status Page Setup Menu / Option Page Setup Menu.......4-2 4.4.
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Page 3: Introduction
1. INTRODUCTION 1.1. PREFACE Welcome to use the 686LX3 motherboard. It is a Pentium II Processor based PC / AT compatible system with AGP / PCI / ISA Bus, and has been designed to be the fastest PC / AT system. There are some new features allow you to operate the system with just the performance you want. -
Page 4: Performance List
686LX3 1.3. PERFORMANCE LIST The following performance data list is the testing results of some popular benchmark testing programs. These data are just referred by users, and there is no responsibility for different testing data values gotten by users. (The different Hardware & Software configuration will result in different benchmark testing results.) -
Page 5: Block Diagram
Introduction 1.4. BLOCK DIAGRAM 14.318MHz 66MHz 3.3V EDO/SDRAM DIMM Sockets SLOT Host Bus 82443LX 66MHZ AGP Bus CHIPSET 66MHz DRAM Bus 66MHz 33MHz 66MHz 52C64-25 33MHz Ultra DMA/33 24MHz IDE Ports 52C64-06 PCI Bus 33MHz PIIX4 48MHz USB Ports 82371AB 14.318MHz IDE Bus CHIPSET... -
Page 6: Introduce The Pentium Ii Processor
686LX3 1.5. INTRODUCE THE Pentium II Processor & AGP Figure 1:Retention Mechanism & attach Mount Figure 2:OEM Pentium II Processor... - Page 7 Introduction Figure 3:Heatsink / FAN & Heat sink support for OEM Pentium II Processor Figure 4:Boxed Pentium II Processor & Heat sink support...
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Page 8: What Is Agp
686LX3 1.6 What is AGP The Accelerated Graphics Port (AGP) is a new port on the Host-To-PCI bridge device that supports an AGP port. The main purpose of the AGP port is to provide fast access to system memory. The AGP port can be used either as fast PCI port (32-bits at 66MHz vs. 32-bits at 33MHz) or as an AGP port which supports 2x data-rate, a read queue, and side band addressing. -
Page 9: Specification
Specification SPECIFICATION 2.1. HARDWARE Pentium II processor 200 – 633 MHz. 242 pins 66MHz slot1 on board. 66 MHz system speed. SPEED 66 MHz AGP bus speed. (133MHz 2X mode) 33 MHz PCI-Bus speed. 8 MHz AT bus speed. 3 banks 168 pins DIMM module sockets on board. DRAM MEMORY Use 8 / 16 / 32 / 64 / 128 / 256 MB DIMM module DRAM. -
Page 10: Software
686LX3 Suspend mode support. GREEN FUNCTION Green switch & ACPI LED support. IDE & Display power down support. Monitor all IRQ / DMA / Display / I/O events. 2M bits FLASH RAM. BIOS Supports Plug & Play, DMI, ACPI Function. -
Page 11: Hardware Installation
Hardware Installation HARDWARE INSTALLATION 3.1. UNPACKING The mainboard package should contain the following: The 686LX3 mainboard. The Retention Mechanism & Attach Mount USER’S MANUAL for mainboard. Cable set for IDE, Floppy devices. Diskette or CD for Mainboard Utility. The main board contains sensitive electric components, which can be easily damaged by static electricity, so the mainboard should be left in its original packing until it is installed. - Page 12 686LX3 PCB Ver : 2.0 COMA COMB PS/2 BAT1 BIOS KB Power On Slot 1 Fan Power INTEL 440LX LINK DIMM1 PIIX4 DIMM2 DIMM3 686LX3 IDE2 ATX Power IDE1 FLOPPY ×Figure 3.1Ø PCB Ver : 2.2 COMA COMB PS/2 BAT1...
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Page 13: Quick Reference For Jumpers & Connectors
Hardware Installation 3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS I/O Ports Connector USB port. IDE1 For Primary IDE port. IDE2 For Secondary IDE port. PS/2 For PS/2 Keyboard port. PS/2 For PS/2 Mouse port. Floppy For Floppy port COMB For Serial port2 (COM B). COMA For Serial port1 (COM A). - Page 14 686LX3 J6 :RING POWER ON Pin No. Function Signal JP12 : CLEAR CMOS Function Pin No. Function CLEAR CMOS Function NORMAL SB-LINK : For PCI Sound Card Connector Pin No. Function Signal Signal Signal INFRARED Connector (IR) -- Function Optional Pin No.
- Page 15 Hardware Installation Short: Power On/Off RE: Reset Switch Open: Normal Operation Short: For Hardware Reset System P+P P : Power LED PIN 1 : anode (+) PIN 2 : cathode ( ) PIN 3 : cathode ( ) SPK: Speaker Connector PIN 1 : VCC PIN 2 : NC PIN 3 : NC...
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Page 16: Dram Installation
686LX3 3.4. DRAM INSTALLATION The mainboard can be installed with 8 / 16 / 32 / 64 / 128 / 256 MB 168 pins DIMM module DRAM, and the DRAM speed must be 50 or 60 ns for EDO &... -
Page 17: Cmos Rtc & Isa Cfg Cmos Sram
Hardware Installation Main Clock 66 MHz 75 MHz 83 MHz 100 MHz We don’t recommend you to setup your system speed to 75, 83 or 100MHz because these frequencies are not the standard specifications for CPU, Chipset and most of the peripherals. Whether your system can run under 75, 83 or 100MHz properly will depend on your hardware configurations: CPU, SDRAM, Cards, etc. -
Page 18: Power Led Connector Installation
686LX3 RE on mainboard. 3.9. POWER LED CONNECTOR INSTALLATION System has power LED lamp on the panel of case. The power LED will light on off or flash to indicate which step on the system. The connector should be connected to P+P-P- of mainboard in correct direction.