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Table of Table

1

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

Summary of Contents for GA-686LX2

Page 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 ATAP...

Page 2: ...Main Menu 4 2 4 3 2 Status Page Setup Menu Option Page Setup Menu 4 2 4 4 THE MAIN MENU 4 2 4 5 STANDARD CMOS SETUP MENU 4 4 4 6 BIOS FEATURES SETUP 4 8 4 7 CHIPSET FEATURES SETUP 4 12 4 8 POWER MANAGEMENT SETUP 4 17 4 9 PNP PCI CONFIGURATION 4 20 4 10 INTEGRATED PERIPHERALS 4 22 4 11 LOAD SETUP DEFAULTS 4 26 4 12 USER PASSWORD 4 27 4 13 IDE HDD AUTO DETECTION 4 28 4 14 SAVE EXIT SETUP 4 29 4 15 E...

Page 3: ...l Slot 1 on board supports dual Pentium II processor running at 200 633MHz q Intel 440LX chipset Support AGP SDRAM Ultra DMA 33 IDE ACPI features q Support CPU FAN Failure Overheat Alarm auto slow down CPU speed q Support PS 2 mouse Keyboard Wake Up function q Support Intel LDCM Network Manageability q Support PCI Audio Wake on Lan function q Supports 4xDIMMs using 3 3V EDO or SDRAM DIMM module q ...

Page 4: ...ware configuration will result in different benchmark testing results CPU Pentium II processor DRAM 64 MB SDRAM CACHE SIZE 512 KB included in CPU DISPLAY Matrox Millennium II 4MB PCI VGA STORAGE Onboard IDE port O S Windows95 OSR2 0 DRIVER Display Driver at 1024 x 768 x 64K colors x 75Hz Triones Bus Master IDE Driver 3 60K Processor Intel Pentium II 266MHz 300MHz Winbench97 CPU mark32 695 781 Busi...

Page 5: ...GP SLOT SLOT2 66MHz PCI Bus PCI Bus 66MHz LPT Port USB 2 PS 2 Keyboard COM Ports USB 1 DRAM Bus PS 2 Mouse USB Bus SLOT 1 AGP Bus Host Bus PAC 82443LX CHIPSET I O 83977TF 32 768KHz 24MHz CLOCK GEN 52C64 06 33MHz 14 318MHz 33MHz 14 318MHz CLOCK GEN 52C64 25 48MHz I O APIC PIIX4 82371AB CHIPSET 14 318MHz 33MHz 14 318MHz ...

Page 6: ...686LX2 1 4 1 5 INTRODUCE THE Pentium II Processor Figure 1 Retention Mechanism attach Mount Figure 2 OEM Pentium II Processor ...

Page 7: ...Introduction 1 5 Figure 3 Heatsink FAN Heat sink support for OEM Pentium II Processor Figure 4 Boxed Pentium II Processor Heat sink support ...

Page 8: ...d 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 When the 2x data rate is used the port can transmit data at 533Mb sec 66 6 2 4 The read queue can be used to pipeline reads removing the effects of the reads latency Side band addressing can be used to transmit the data address on a separate line in ord...

Page 9: ...z AGP bus speed 133MHz 2 mode 33 MHz PCI Bus speed 8 MHz AT bus speed DRAM MEMORY 4 banks 168 pins DIMM module sockets on board Use 8 16 32 64 128 256 MB 60 70 ns DIMM module DRAM 8 M 1 GB DRAM size Support 3 3V SDRAM EDO type DRAM Support ECC or Non ECC type DRAM CACHE MEMORY 32 KB 1st cache memory included in CPU 256KB 512 KB 2nd cache in CPU Support DIB speed mode for L2 Cache I O BUS SLOTS 1 6...

Page 10: ...ts BIOS 2M Bit FLASH EEPROM Supports Plug Play DMI ACPI Function DIMENSION ATX Form Factor 4 layers PCB 2 2 SOFTWARE DRIVER Intel LDCM optional Health monitor Utility Bus Master IDE Driver Suspend to HD utility BIOS Licensed AWARD BIOS AT CMOS Setup BIOS Chipset Setup Green Setup Hard Disk Utility included Monitor Health status O S Operation with MS DOS Windows 95 WINDOWS NT OS 2 NOVELL and SCO UN...

Page 11: ...d carton for obvious damage Shipping and handling may cause damage to your board Be sure there are no shipping and handling damages on the board before proceeding After opening the mainboard carton extract the system board and place it only on a grounded anti static surface component side up Again inspect the board for damage Press down on all of the socket IC s to make sure that they are properly...

Page 12: ...IX4 371A PCI5 FAN PWR2 FAN PWR1 1 2 3 4 SPK PWR HD IR SOFT PWR J11 J10 JP6 J7 J6 JP8 JP9 JP7 J12 JP1 J1 J2 PAC 82443LX CHIPSET J4 SLOT2 SLOT1 Figure 3 1Ø 3 3 QUICK REFERENCE FOR JUMPERS CONNECTORS t I O Ports Connector CN1 For USB port CN2 For Secondary IDE port CN3 For Primary IDE port J4 For Floppy port J3 For PS 2 Mouse Keyboard I O ports JP2 For Serial port2 COM B JP3 For Serial port1 COM A J5...

Page 13: ...ENSE t J2 CPU1 cooling FAN Power Connector Pin No Function 1 GND 2 12V 3 SENSE t J6 INFRARED Connector IR Function Option Pin No Function 1 IR Data Output 2 GND 3 IR Data Input 4 Signal 5 POWER t J7 Hard Disk active LED HD LED Pin No Function 1 LED POWER 2 LED POWER 3 LED POWER 4 LED POWER t J10 RESET Switch Pin No Function 1 RESET Input 2 GND ...

Page 14: ...lose Enabled Keyboard power on 2 3 Close Disabled Keyboard power on t JP4 Soft Power Switch On Off for POWER ON or Suspend IN OUT On 4 sec For POWER OFF before VGA Enable or CMOS setup select delay 4sec For POWER OFF mode t JP5 GN SW On Off for enter suspend Green Mode t JP6 POWER ON LED PW LED Pin No Function 1 LED POWER 2 NC 3 GND t JP7 ACPI LED selection Pin No Function 1 Signal 2 GND ...

Page 15: ...ND 3 Signal t S1 CPU INT EXT FREQ RATIO CPU TYPE 1 2 3 4 CLK RATIO 200MHz OFF ON OFF OFF X3 233MHz ON ON OFF OFF X3 5 266MHz OFF OFF ON OFF X4 300MHz ON OFF ON OFF X4 5 333MHz OFF ON ON OFF X5 366MHz ON ON ON OFF X5 5 t POWER1 ATX POWER connector Pin No Function 3 5 7 13 15 17 GND 4 6 19 20 VCC 5V 10 12V 12 12V 18 5V 8 Power Good 9 5V SB Stand by 5V 14 PS ON Soft ON OFF ...

Page 16: ...direction of Pin 1 the DRAM DIMM module couldn t be inserted into socket completely 3 5 CPU SPEED SETUP The system s speed is fixed to 66 6MHz The user can change the DIP SWITCH SW selection to set up the CPU speed for 200 633MHz processor The CPU speed must match with the frequency RATIO It will cause system hanging up if the frequency RATIO is higher than CPU s DIP SWITCH S1 1 2 3 4 FREQ RATIO E...

Page 17: ...l in both direction of connector when it is installed to the connector J11 on mainboard 3 8 HARDWARE RESET SWITCH CONNECTOR INSTALLATION The RESET switch on panel provides users with HARDWARE RESET function which is almost the same as power on off The system will do a cold start after the RESET switch is pushed and released by user The RESET switch is a 2 PIN connector and should be installed to J...

Page 18: ...system any one of five PCI Bus slots can be used 3 13 KEYBOARD PS 2 MOUSE INSTALLATION The main board supports PS 2 connector type keyboard Mouse J3 The BIOS will auto detect whether the PS 2 Mouse is installed or nor assign IRQ12 for Mouse port if which was installed After installing the peripheral device the user should check everything again and prepare to power on the system 3 14 KEYBOARD SETT...

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