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TABLE OF CONTENTS
1.
INTRODUCTION................................................................................ 1-1
1.1. PREFACE..........................................................................................................1-1
1.2. KEY FEATURES ...............................................................................................1-1
1.3. PERFORMANCE LIST......................................................................................1-2
1.4. BLOCK DIAGRAM ............................................................................................1-3
1.5. INTRODUCE THE Pentium ® II Processor .......................................................1-4
1.6. WHAT IS AGP? .................................................. 1-6
2.
SPECIFICATION ............................................................................... 2-1
2.1. HARDWARE .....................................................................................................2-1
2.2. SOFTWARE......................................................................................................2-2
2.3. ENVIRONMENT................................................................................................2-2
3.
HARDWARE INSTALLATION............................................................ 3-1
3.1. UNPACKING .....................................................................................................3-1
3.2. MAINBOARD LAYOUT .....................................................................................3-2
3.3. QUICK REFERENCE FOR JUMPERS & CONNECTORS .............................3-2
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
3.9. POWER LED CONNECTOR INSTALLATION ................................................3-7
3.10. IDE & ATAPI DEVICE INSTALLATION..........................................................3-7
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Related Manuals for Gigabyte GA-686LX2
Summary of Contents for Gigabyte GA-686LX2
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Page 1: Table Of Contents
Table of Table TABLE OF CONTENTS INTRODUCTION................1-1 1.1. PREFACE......................1-1 1.2. KEY FEATURES ....................1-1 1.3. PERFORMANCE LIST..................1-2 1.4. BLOCK DIAGRAM ....................1-3 1.5. INTRODUCE THE Pentium ® II Processor ............1-4 1.6. WHAT IS AGP? ..........1-6 SPECIFICATION ................2-1 2.1. HARDWARE .....................2-1 2.2. - Page 2 686LX2 3.12. PERIPHERAL DEVICE INSTALLATION............3-8 3.13. KEYBOARD & PS/2 MOUSE INSTALLATION ..........3-8 3.14. KEYBOARD SETTING FUNCTION ...............3-8 BIOS CONFIGURATION ..............4-1 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
Introduction INTRODUCTION 1.1. PREFACE Welcome to use the 686LX2 motherboard. The motherboard is a Dual 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
686LX2 ATX form factor, Double stack I/O connector, 4 layers PCB. 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. -
Page 5: Block Diagram
Introduction 1.4. BLOCK DIAGRAM 14.318MHz SLOT 1 SLOT2 Host Bus 3.3VEDO/SDRAM DIMM Sockets SLOT 82443LX AGP Bus DRAM Bus CHIPSET PCI Bus 14.318MHz 33MHz 66MHz CLOCK CLOCK 66MHz 66MHz 52C64-25 52C64-06 33MHz 66MHz PCI Bus 14.318MHz 33MHz PIIX4 48MHz APIC 82371AB CHIPSET USB Bus... -
Page 6: Introduce The Pentium ® Ii Processor
686LX2 1.5. INTRODUCE THE Pentium ® II Processor 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
686LX2 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 • Dual Pentium ® II processor 200 – 633 MHz. − − Dual 242 pins 66MHz slot1 on board. • − PC Speaker Alarm when detect "CPU FAN Failure" PROTECTION or “ CPU Overheat” . − Automatically slow down CPU speed when "CPU FAN Failure"... -
Page 10: Software
686LX2 • − Supports 2 16550 COM ports. (Using IRQ4, 3) I/O PORTS − Supports 1 EPP/ECP LPT port. (Using IRQ7 or 5 and DMA3 or 1) − Supports 1 1.44/2.88 MB Floppy port. (Using DMA2 & IRQ6) − Supports 2 USB ports. −... -
Page 11: Hardware Installation
Hardware Installation HARDWARE INSTALLATION 3.1. UNPACKING The mainboard package should contain the following: • The 686LX2 mainboard. • The Retention Mechanism & Attach Mount • USER'S MANUAL for mainboard. • Cable set for IDE¡ B F loppy device. • Diskette or CD for Mainboard Utility Controller. The mainboard 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: Mainboard Layout
PCI4 PCI3 PCI2 PCI1 CPU2 POWER CPU1 FAN PWR2 371A FAN PWR1 PIIX4 82443LX SLOT4 SLOT2 CHIPSET BAT1 GA-686LX2 DIMM4 Bank 3 BIOS DIMM3 Bank 2 DIMM2 Bank 1 DIMM1 Bank 0 IDE2 FLOPPY IDE1 REST JP6 J7 JP5JP4 SOFT PWR PWR HD ×Figure 3.1Ø... - Page 13 Hardware Installation CPU2: slot1 For Pentium ® II processor installed. J1: CPU2 cooling FAN Power Connector Pin No. Function GND. +12V SENSE J2: CPU1 cooling FAN Power Connector Pin No. Function GND. +12V SENSE J6: INFRARED Connector (IR) -- Function Option Pin No.
- Page 14 686LX2 J11: SPEAKER Connector Pin No. Function Output J12 : By Pass ATX PWR CTRL Pin No. Function Signal JP1 : Keyboard Power On Connector Pin No. Function 1,2 Close Enabled Keyboard power on. 2,3 Close Disabled Keyboard power on. JP4: Soft Power Switch On –...
- Page 15 Hardware Installation JP8 : For PCI Audio / Sound Card use only Pin No. Function Signal Signal Signal JP9 : Wake on Lan Pin No. Function +5V SB Signal S1: CPU INT. / EXT. FREQ. RATIO CPU TYPE CLK RATIO 200MHz 233MHz X3.5...
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Page 16: Dram Installation
686LX2 3.4. DRAM INSTALLATION The mainboard can be installed with 4 / 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 metal surface when the CPU is installed onto mainboard. 3.6. CMOS RTC & ISA CFG CMOS SRAM There're RTC & CMOS SRAM on board; they have a power supply from external battery to keep the DATA inviolate & effective. The RTC is a REAL- TIME CLOCK device, which provides the DATE &... -
Page 18: Peripheral Device Installation
686LX2 The J7 is the active LED port for ATAPI device. 3.12. PERIPHERAL DEVICE INSTALLATION After the I/O device installation and jumpers setup, the mainboard can be mounted into the case and fixed by screw. To complete the mainboard installation, the peripheral device could be installed now.