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GA-686LX3

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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 ................................3-3

3.4. DRAM INSTALLATION........................................................................................3-5

3.5. CPU SPEED SETUP ...........................................................................................3-5

3.6. CMOS RTC & ISA CFG CMOS SRAM................................................................3-6

3.7. SPEAKER CONNECTOR INSTALLATION ........................................................3-6

3.8. HARDWARE RESET SWITCH CONNECTOR INSTALLATION.......................3-6

3.9. POWER LED CONNECTOR INSTALLATION ...................................................3-6

Summary of Contents for GA - 686LX3

Page 1: ...IFICATION 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 3 3 4 DRAM INSTALLATION 3 5 3 5 CPU SPEED SETUP 3 5 3 6 CMOS RTC ISA CFG CMOS SRAM 3 6 3 7 SPEAKER CONNECTOR INSTALLATION 3 6 3 8 HARDWARE RESET SWITCH CONNECTOR INSTALLATION 3 6 3 9 POWER LED CONNECTOR INSTALLATION ...

Page 2: ...2 4 3 1 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 14 4 8 POWER MANAGEMENT SETUP 4 17 4 9 PNP PCI CONFIGURATION 4 20 4 10 INTEGRATED PERIPHERALS 4 23 4 11 LOAD SETUP DEFAULTS 4 28 4 12 USER PASSWORD 4 29 4 13 IDE HDD AUTO DETECTION 4 30 4 14 SAVE EXIT SETUP 4 2...

Page 3: ...tel Pentium II Processor based PC AT compatible mainboard q Slot 1 supports Pentium II processor running at 200 633 MHz q Intel 440LX chipset Supports AGP SDRAM Ultra DMA 33 IDE Keyboard and PS 2 Mouse Power On ACPI features q Supports 3xDIMMs using 3 3V EDO or SDRAM DIMM module q Supports 8 MB 768 MB EDO 384MB SDRAM memory on board q Supports ECC or Non ECC type DRAM module q 1xAGP slot 4xPCI Bus...

Page 4: ...benchmark testing results CPU Pentium II processor DRAM 32 x 2 MB SDRAM LGS GM72V16821GT10K CACHE SIZE 512 KB included in CPU DISPLAY GA 600 AGP Display Card 4MB SGRAM STORAGE Onboard IDE IBM DHEA 34330 O S Windows 95 OSR2 1 DRIVER Display Driver at 1024 x 768 x 64k colors x 75Hz Triones Bus Master IDE Driver 3 70 Intel Pentium II Processor 266MHz 300MHz Winbench97 CPU mark32 692 759 Business Disk...

Page 5: ...318MHz 33MHz 33MHz 33MHz 66MHz 66MHz Ultra DMA 33 IDE Ports IDE Bus PCI Bus ISA Bus AGP Bus LPT Port Keyboard COM Ports DRAM Bus PS 2 Mouse USB Bus USB Ports 14 318MHz 48MHz 14 318MHz I O CHIPSET 83977TF 66M AGP SLOT Host Bus PAC 82432LX CHIPSET PLL 52C64 25 PIIX4 82371AB CHIPSET PLL 52C64 06 ...

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

Page 7: ...GA 686LX3 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: ...e 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 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 i...

Page 9: ...84 MB SDRAM Supports 3 3V SDRAM EDO type DRAM Supports ECC or Non ECC type DRAM CACHE MEMORY 32 KB 1st cache memory included in CPU 256KB 512 KB 2nd cache in CPU Supports DIB speed mode for L2 Cache I O BUS SLOTS 4 33MHz Master Slave PCI BUS 3 8MHz 16 bits ISA BUS 1 66MHz 133MHz AGP bus IDE PORTS 2 Ultra DMA 33 Bus Master IDE channels on board Using IRQ14 15 Support Mode 3 4 IDE ATAPI CD ROM I O P...

Page 10: ...r 4 layers PCB 2 2 SOFTWARE DRIVER Bus Master IDE Driver Suspend to HD utility BIOS Licensed AWARD BIOS AT CMOS Setup BIOS Chipset Setup Green Setup Hard Disk Utility included O S Operation with MS DOS Windows 95 WINDOWS NT OS 2 NOVELL and SCO UNIX 2 3 ENVIRONMENT Ambient Temp 0 C to 50 C Operating Relative Hum 0 to 85 Operating Altitude 0 to 10 000 feet Operating Vibration 0 to 1 000 Hz Electrici...

Page 11: ...done on a grounded anti static mat The operator should be wearing an anti static wristband grounded at the same point as the anti static mat Inspect the mainboard 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 onl...

Page 12: ...RD LAYOUT0 GA 686LX3 PIIX4 INTEL 440LX 1 1 1 IDE1 IDE2 FLOPPY DIMM1 DIMM2 DIMM3 JP2 JP3 JP4 BATT1 BIOS J13 SW 4 3 2 1 ON COMA COMB LPT USB MOUSE KB KB Power On Fan Power Slot 1 SPK RST PW Led HD IR GN Soft Power ATX Power 1 1 1 Figure 3 1Ø ...

Page 13: ... port J2 For PS 2 Mouse port J3 For Floppy port J4 For Serial port2 COM B J5 For Serial port1 COM A J7 For LPT port t GN GN SW Pin No Function 1 CTRL Signal 2 GND t HD Hard Disk active LED HD LED Pin No Function 1 LED POWER 2 LED POWER t J1 CPU cooling FAN Power Connector Pin No Function 1 GND 2 12V 3 SENSE t J13 System After Ac Back Pin No Function 1 Signal 2 GND ...

Page 14: ...bled Keyboard power on t RST RESET Switch Pin No Function 1 RESET Input 2 GND t PWR POWER ON LED PW LED Pin No Function 1 LED POWER 2 NC 3 GND t Slot 1 For Pentium II processor installed t SPK SPEAKER Connector Pin No Function 1 VCC 2 NC 3 NC 4 Output t Soft PWR Soft Power Switch Pin No Function 1 CTRL Signal 2 GND ...

Page 15: ...et at Vertical angle If there is a wrong direction of Pin 1 the DRAM DIMM module couldn t be inserted into socket completely 3 5 CPU SPEED SETUP The default system bus speed is 66 6MHz The user can change the DIP SWITCH SW selection to set up the CPU speed for 200 366MHz processor The CPU speed must match with the frequency RATIO It will cause system hanging up if the frequency RATIO is higher tha...

Page 16: ...has consumed MDanger of explosion if battery is incorrectly replaced MReplace only with the same or equivalent type recommended by the manufacturer MDispose of used batteries according to the manufacturer s instructions 3 7 SPEAKER CONNECTOR INSTALLATION There is a speaker in AT system for sound purpose The 4 Pins connector SPK is used to connect speaker 3 8 HARDWARE RESET SWITCH CONNECTOR INSTALL...

Page 17: ... 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 The basic system needs a display interface card If the PCI Bus device is to be installed in the system any one of four PCI Bus slots can be used 3 12 KEYBOARD PS 2 MOUSE INSTALLATION The main board supports PS 2 Mouse J2 The BIOS will auto detect ...

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