(E 3486) USER`S MANUAL
Contents
1. Memory Test Tick Sound This option will enable turn on or disable turn off the ticking sound during the memory test Memory Parity Error Check If the motherboard doesn t have parity RAM user may disable the memory parity error checking routines in the BIOS Hit DEL Message Display Disabling this option will present the message Hit DEL if you want to run SETUP displaying on the screen when the system boots up Hard Disk 47 RAM Area The AMIBIOS SETUP features two userdefinable hard disk types Normally the data for these disk types are stored at 0 300 in lower system RAM If a problem occurs with other software this data can be located at the upper limit of the DOS Shell 640 KB If the option is set to DOS 1 KB the DOS Shell is shortened to 639 KB and the top is used for the hard disk data storage Wait For F1 If Any Error Before the system boots up the BIOS will execute the POST routines a series of system diagnostic routines If any of these tests fail but a non fatal error has occurred and the system can still function the BIOS will respond with an appropriate error message followed by the following statement Press lt F1 gt to continue If this option Is disabled any non fatal error which occurs will not generate the above statement but the BIOS will still display the appropriate error message This will eliminate the need for any user response to a non fatal error condition mes2. Cache Write Wait State 0W S AT Recovery Time dCycles Normal Master Mode Byte Swap Disabled Slow Refresh Disabled Hidden Refresh Enabled AT BUS Clock Selection CLKI 4 Fast Decode Enable Enabled DRAM Write WAit State 0W S DRAM Read Wait State 0W S Video BIOS Area Cacheable Enabled N on Cacheable Block 1 Size Disabled Non Cacheable Block 1 Base Non Cacheable Block Z Size Disabled Non Cacheable Block 2 Base OKB gt 1Sel Ctr rll Pu Pd Modify F1 Help F2 F3 Color ues F6 IG Setup Defaults F7 Power On Defaults FEATURE eresse 40MHz 33MHz m SIGNAL MHz 25MHz 20MHz CLK 6 axe 5 Extra AT cycle wait state disabled disabled CLK 5 DR Single ALE enable disabled disabled 33 Cache memory data buffer enabled disabled disabled CLK 3 2 1 iy F5 0ld V Cache burst wait state E Cache read wait state I Cache write wait state 0 Master mode byte swap disabled disabled Slow refresh disabled disabled Hidden refresh enabled enabled lFastmode disabled enabled DRAM write watstae 0o 90 DRAW read wait state o o 9 Video BIOS area cacheable enabled enabled gt ei l FEATURE 50 MHz 40MHz 33MHz Non cacheable size 0 uv Non cacheable block base disabled
3. for help by pressing F1 key when needed Once Setup is completed and the changed Password have been stored in the CMOS the system be booted the user will be prompted for the password if the function is present and has been enabled Write To CMOS And Exit The features selected and configured in the Standard Setup Advanced CMOS Setup Advanced Chip Set Setup and the new Password Setup will be stored in the CMOS when this option is taken The CMOS checksum is calculated and written to the CMOS Control 18 then passed back to BIOS If user didn t need to save this new setting go to DO NOT WRITE TO CMOS amp EXIT OPTION 31 E3486 Mainboard APPENDIX e System Memory e I O Channel Pin Assignment I O Signal Description Troubleshooting Your System EFAR EF8290WB Chip Set 32 SYSTEM MEMORY a Real addressing Environment Address Slice of 80386 NATIVE MODE 4GB PHYSICAL MEMORY ADDRESS SPACE MODI FPFFOO0 4GB MINUS 64K B O A0000 640K B B0000 704K B C0000 768K B D0000 823K B E0000 896K B F0000 960K B Note Video or Enhanced Graphics STSTEN DATAM DRUVERS DOSAND TRANSIENT PROGRAM AREA TPA VIDEO ENHANCED GRAPHICS MONOCHRONE COLOR GRAPHICS PROFESSIONAL GRAPHICS HARD DISKCLUSTER ADAPTER VOICE COMMUNICATIONS SYSTEM ROMBIOS EXTENDED MEMORY SYSTEM ROM BIOS
4. 5 DRQ5 DACK6 DRCQ6 DACK7 DRQ7 5 Vdc Master Ground O HH OH OH OH m FA FA CHANNEL SIGNAL DESCRIPTION All signal lines are TTL compatible with a maximum loading of two low power LS devices CLK Output This is the bus clock and synchronous CPU cycle clock this clock has a 50 96 duty cycle This signal should only be used for synchronization it is not intended for uses requiring a fixed frequency RESETDRV Output This signal goes high momentarily during power up low line voltage or hardware rest SA 19 Input Output System address lines bit O to 19 These are latched on the falling edge of BALE LA 17 23 Input Output Latched address lines from bit 17 to 23 SD0 15 Input Output System data bit O to 15 BALE Output Buffered address latch enable is used to oatch SAO 19 on the falling edge This signal is forced high during DMA cycles JO CH I O channel check is an active low signal which indicates a parity error occured on an I O board I O CH RDY Input This signal lengthens the I O or memory read write cycle It can be held low for a maximum of 2 5 microseconds IRQ3 7 9 12 14 15 Interrupt request signals indicate I O service requests They are prioritized as following sequences Highest IRQ 9 10 11 12 14 15 Lowest IRQ 3 4 5 6 7 IOR Input Output 0 Rdad signal is an active low signal which instructs 1 O de rice to r
5. 82EC392 a E Ras lt a 999648 13 MEMORY INSTALLION CONFIGNATION Eight SIMM sockets are available on the mainboard The eights SIMM sockets are arranged into 2 banks Bank 0 U40 U43 and Bank 1 U44 U 47 with a minimum memory configuration of 1MB ie 4 memory modules of 256k bv 9 bit occupying bank 0 A Memory Configuration Table for other memory size listed is as follows Memory Configurafion Table BANK 0 BANK 1 TOTAL MEMORY SIZE BYTES 256K 9 4 PCS 256Kx9 4PCS 256K x9 4 PCS X 256K x 9 4 PCS 1M X 9 4 PCS 8M 1M X 9 4 PCS 1M x 9 4 PCS D 9 4 PCS 20 1 9 4 PCS 4M X9 4 PCS X9 4 PCS 1Mx9 4 PCS 32M 4M X9 4 PCS 4M x9 4 PCS Remarks 700 DRAM is recommended 2 256 9 256 SIMM RAM Module 1Mx9 1MB SIMM RAM Module EMS Emulator A software EMS emulator 1 necessary to make use of the expanded memory Many software EMS emulators are available in the market contact your dealer for more information MEMORY INSTALLION CONFIGNATION 6680358 E A G ES EAS AE ee E 98608 i 100 E IDE agens gt NOLLISOd WWIS 98208 sf c eee CACHE MEMORY INSTALLATION The 3486 Mainboard provides options of 64KB Cache or 256KB Cache memory for performance improvement The location to install SRAM chips is shown in the figure Use the proper combination
6. E3486 Mainboard SYSTEM BIOS SETUP AMI BIOS Register Setup Standard CMOS Setup Advanced CMOS Setup Auto Configuration Auto Configuration With Power On Detaults Change Password Write To CMOS And Exit SYSTEM BIOS SETUP This chapter tells the user how to use the SETUP for 3486 mainboard Please note that any improper use of this setup can cause damage to your system Therefore please make sure you understand thoroughly before making any change or you may contact your dealer for more detailed information This chapter will describe briefly the BIOS written by AMI American In the mean time do not use other BIOS than the one uses in this board as it will cause functional incompatibility BIOS Register Setup The setup program 15 used to configure the system These system options are stored in the CMOS If the CMOS is good the system is configured with the values stored in the CMOS If the CMOS is bad the system 15 configured with the default values stored in the ROM file There are 2 sets of BIOS values stored in the ROM file the BIOS Setup default values and the Power On default values The BIOS Setup default values are the default values which should provide optimum performance for the system They are the best case default values The Power On default values which are the worst case defaults are the stable values for the system They are to be used if the system
7. VIDEO MEMORY EXPANSION ROM SYSTEM MEMORY MAP a I O Address Map Hex Range Devices Usage 000 01F DMA Controller 1 System 020 03F INT Controller 1 Master System 040 05F Timer System 060 06F 8042 Keyboard System 070 07F Real Time Clock NMI Mask System 080 09F DMA Page Register System OAO OBF INT Controller 2 System OCO ODF DMA Controller 2 System 0 0 Clear Math Coprocessor System 011 Reset System 0F8 0FF Arithmetic Processor System 1F0 1F8 Fixed Disk 200 207 Game I O 1 0 278 27F Parallel Printer Port 2 I O 2F8 2FF Serial Port 2 I O 300 31F Prototype Card I O 360 36F Reserved I O 378 37F Parallel Printer Port 1 1 0 380 38F SDLC Bisynchronus 2 3A0 3AF Bisynchrouns 1 3B0 3BF Monochrome Display and I O Printer Adapter 3C0 3CF Reserved 1 0 3D0 3DF Color Graphic Monitor Adapter I O 3F0 3F7 Floppy Diskette Controller I O 3F8 3FF Serial Port 1 I O I O CHANNEL PIN ASSIGNMENT I O CHANNEL PIN ASSIGNMENT O CH CK 507 SD6 SD5 SD4 503 502 501 SDO 12 Vdc O CH RDY Ground AEN SA19 SA18 SA17 SA16 SA15 SA14 SA13 SA12 Refresh SA11 CLK SA10 IRQ7 SA9 IRQ6 SA8 IRQ5 SA7 IRQ4 SA6 IRQ3 SA5 DACK3 SA4 T C SA3 BALE SA2 5 Vdc SA1 osc SAO Ground OOO O cia TT VO CHANNEL SIGNAL ASSIGNMENT I O CHANNEL PIN ASSIGNMENT Signal Name CS16 CS16 IRQ10 IRQ11 IRQ12 IRQ15 IRQ14 DACKO DRQO
8. YOUR MAINBOARD Features Jumper Setting Connector Pinouts CPU Installation Math Coprocessor Installation Memory Installation and Configuration Cache Memory Installation FEATURES FEATURES The Significant Features of E 3486 Cache Mainboard Can be used with any of the following CPUs Intel 80386 DX 25 33 AMD 80386 DX 40 Intel 80486 SX 20 25 Intel 80486 DX 33 50 Intel 80486 DX2 50 Intel 80486 DX2 66 AMD 80486 SX 40 Support Coprocessor Weitek 3167 or Intel 80387 optional synchronous e EFAR EF8290W B Chipset Support 8 bit ROM BIOS e Write Back Direct Mapped Cache Support 64K 256K Cache Memory Size e Support Shadow RAM for System and Video BIOS Page mode operation on any banks Fast Gate A20 and Reset Support DRAM parameters can be optimized via wait states Legal AMI BIOS with built in setup utilities Support 1 to 32MB on board Supports 256K 1M 4M DRAM SIMM 5 FEATURES Support mix DRAM types on different banks 8 Expansion Slots two 8 bit amp Six 16 bit synchronous Bus Clock e Display Mode supported 8514 A VGA EGA CGA MDA and Hercules Operation System supported MS DOS 05 2 DR DOS XENIX and UNIX Network supported Novell 3Com and D Link Dual speed selectable via keyboard software or hardware Turbo Switch e On board Real Time Clock Calendar with rechargeable battery On board power good logic active rese
9. for the timer of 80C206 and 8042 Keyboard Controller The also monitors both the PWGDS Powergood signal from power supply and reset signal from the reset switch The DBC provides the Numberic Coprocessor support for 387 and 3167 without external logic components In addition the DBC provides Chip Select for Keyboard Controller and RTC Keyboard Reset and Gate A20Emulation Logic Speaker Control and Nmi Logic at
10. of TAG RAM SRAM and Jumper Settings to achieve desired cache size for your mainboard Cache and Tag Ram jumpers Size OPEN OPEN OPEN CLOSH CLOSH CLOSH OPEN 32kx8 8k X 8 8 pes 32k X 8 8 pcs NOTE Any damage caused to the 3486 M B due to incorrect installation procedures will invalidate all warranties CACHE MEMORY INSTALLATION E3486 Mainboard SYSTEM ASSEMBLY Installation in the System Case Connecting the Power Supply Connection the Keyboard e Installing Interface Cards e Power On SYSTEM ASSEMBLY Introduction The E3486 Mainboard can be installed in most cases designed for AT compatible mainboards including baby AT sized cases The actual dimensions of the board are 22cm wide and 33cm long There are several mounting holes on the board which should allow you to mount the board no matter what kind of case you are using Installation in the System Case When you install the E3486 Mainboard in your case make sure it is correctly oriented with the interface card slots to the rear and the keyboard connector on the right as you face the front of your system case Depending on the design of your case the mainboard will be fixed in place either by plastic studs which can be inserted through the mounting holes from the bottom or by screws which should be inserted through the mounting holes from the top If screws are used make sure each screw
11. Power cere Ground Keyboard inhibit 5 External Battery Connector J19 This 1s a 4 pin header i Description ES p Ground JUMPER CONNECTOR POSITION JPA CONNECTOR PINOUTS 3019 JP18 i 4 1 t SPEAKER 2X CLOCK 386 MODE 1X CLOCK CMOS DISCHARGE BOARD BATTERY EXTERNAL NORMAL OPERATION SYSTEM RESET CPU INSTALLATION The E3486 Mainboard provides sockets for any 386DX 4865X 486DX and 486DX2 CPU s exist in today s PC Market However only one CPU Can be installed on the Mainboard and the corresponding oscillator must be used properly The following table shows the jumper settings and oscillator which must be used when a particular CPU is installed JUMPER SETTING JP11 OSCILLATOR Intel 386D 25 50MHZ m bo Intel 386DX 33 2 AMD 386DX 40 80MHZ 1 2 Intel 4865 25 1 66 667M HZ 50MHZ Intel 386DX 33 1 2 66 667M HZ MATH CO PROCESSOR INSTALLATION Plug your Math Co Processor Into the socket as Shown in the figure Intel 80387 or weitek 3167 NO jumper setting 15 required However proper BIOS setting is necessary dl od ple SS SEA EA 15 E RE c J 3 SE Wi RAE ON BOARD CPU COPROCESSOR POSITION f clero M CU 80387 3167 1 82 495
12. Rights Reserved STANDARD CMOS SETUP ADVANCED CMOS SETUP ADVANCED CHIPSET SETUP AUTO CONFIGURATION WITH BIOS DEFAULTS AUTO CONFIGURATION WITH POWER ON DEFAULTS CHANGE PASSWORD HARD DISK UTILITY WRITE TO CMOS AND EXIT DO NOT WRITE TO CMOS AND EXIT Standard CMOS Setup for Changing Time Date Hard Disk Type etc ESC Exit gt 1SelF2 F3 Color F10 Save 6 Exit vos Standard CMOS Setup The Standard CMOS Setup utility is used to configure the following features Date Month Date and Year Ranges for each value are listed below in prompt box in the lower right corner of the CMOS Setup Screen Time Hour Minute and Second Uses 24 hours format Daylight Savings Disbaled or Enabled Hard Disk C and Hard Disk D Hard disk types from 1 to 46 are standard ones type 47 1s user definable The user must enter the hard disk parameters for each drive The drive types are identified by the following characteristics Type The number designation for a drive with certain identification parameters Cyl The number of cylinders found in the specified drive type Heads The number of heads found in the specified drive type Wpcom The read delay circuitry which takes into account the timing ee Standard CMOS Setup differences between the inner and outer edges of the surface of the disk platter The number designates the starting cylinder of the signal L zone L zone is the landing zone of the heads This number d
13. disabled 0 0 Non cacheable block 2 size Non cacheable block 2 base disabled disabled RAS precharge normal normal DRAM quick read mode mma normal 386 DRAM quick write mode normal normal Special mode noma RAS to CAS delay normal normal AT recovery time cycle normal normal 30 WRITE TO CMOS EXIT Auto Configuration The Auto Configuration default system values before user changed any CMOS values If the CMOS is corrupted the BIOS defaults will automatically be loaded to the Advanced CMOS Setup and Advanced CHIPSET Setup This default values will provide the optimum performance for the system Auto Configuration With Power On Defaults This feature uses the default Power On values You may wish to use this option as a diagnostic tool 1f your system 1s behaving abnormal Change Password The BIOS SETUP program has optional password feature The password function is enabled or disabled in Advanced CMOS Setup The password function is enabled by choosing either Always or Setup The password which will be stored in the CMOS cannot exceed 6 ASCII characters A default password to be used if the CMOS is corrupted is stored in the ROM The default password is lt gt To change the user password by using the arrow keys to move the cursor to this selection and pressing gt Enter and follow the request to ask
14. ead data from the data bus TROUBLESHOOTING YOUR SYSTEM TROUBLESHOOTING YOUR SYSTEM Display Problem Action Biak Seren Check to find out if plus no beep The system unit power cord is plubbed into a working electrical outlet The cable connected to the system is switched ON Blank screen or Check to find out if distorted display k Display power cord is plugged into a plus 1 beep working electrical outled and the display properly 2 Display is turned ON and the brightness and contrask controls are turned UP also 3 Display signal cable is plugged into the correct connector if the system unit 4 The small slide switch on the Monochrome Graphics Color Graphics Card is set Correctly Set to MDA for monochrome TTL monitors or GGA for RGB co101 monitors 40 TROUBLESHOOTING YOUR SYSTEM Error Message on Screen Action System option not set Run the set up program that comes with this manual and set the options for the system Keyboard error Check if the keyboard is plugged into the system unit Run the AT Diagnostic program to check for any defect in the keyboard Memory size error Set the right memory size by running the set up program Parity error Your system unit needs service please contact your dealer Disk error Check the power cable and data cable connections of your drives Run the s
15. etermines the cylinder location where the heads will normally park when the system is shut down Capacity The formatted capacity of the drive based on the formula NUMBER of heads x NUMBER of cylinders x NUMBER of secs cyl x 512bytes sec Not Installed 1 available for use as an option This option could be used for diskless workstations and SCSI hard disk Type 47 may be used for both hard disks C and D The parameters for type 47 under Hard Disk C and Hard Disk D may be different Floppy Drive A and Floppy Drive B The options are 360KB 5 4 1 2 MB 54 720 KB 3 3 1 44 MB 3 2 and Not Installed Not installed could be used as an option for diskless workstations Primary Dispaly Options are Monochrome Color 40x25 Color 80 25 and Not Installed The Not Installed option could be used for network file servers Keyboard Options are Installed or Not Installed The advanced CMOS Setup program is equipped with a series of help screens accessed by the lt F1 gt key which will display the options available for a particular configuration feature and special help for some of the options The following is a short description for each of the options on the Advanced CMOS Setup Screen Standard CMOS Setup Above 1 MB Memory Test This feature when enabled will invoke the POST memory routines on the RAM above 1 MB present on system If disabled the BIOS will nly check the first 1 MB of RAM
16. etup program to check if the option is set correctly 3 Check if the latch on the disk drive is closed properly No response from Check if the keyboard lock is locked the keyboard System crash Restart your system unit by pressing the reset button If necessary turn your unit off then on again 3 keyboard cable not properly connected check to make sure it is plugged in properly at the back of the system unit MEL TROUBLESHOOTING YOUR SYSTEM Problem in Internal Feature Action Diskette Drive problem 1 Replace the drive with another cannot read or write data working diskeet drive 2 Your system needs service if the working diskettte drive still does not function in the system Contact your dealer 3 Ckeck if the latch on the disk drive is closed properly 4 The diskette was not placed in the drive correctly Make sure the label 9points up with the write protect notch printing to the left 5 The diskette is damaged Try to use a different diskette 6 Check if the diskette is unformatted Check the specification of the printer to see if it is IBM PC compatible Printer problems Check the cable connections and then configure your printer Light on the fornt panel does Change the light that does not light not work up when it should be Cannot reset the computer i Turn off your system Turn it back on while pressing the reset after a f
17. ew seconds button Your system needs service if item 1 cannot solve the problem Contact your dealer Note If the above suggestions do not solve your problem you should contact your dealer zx det EFAR EF8290W EFAR EF8290W 82EC495 System Controller SYSC SYSC monitors two reset sources RSTI and RST2 and generates CPURST and NPRST signals to CPU and coprocessor respectively The SYSC Controller contains Burst Line Fill Control Logic The controller provides 2 DMA Upper Address Latches Page Mode DRAM Controller Clock Generation for CPU Processor and AT Bus two Noncacheable Address Comparators CPU Interface Control Integrated Write back Cache Controller with Built in Tag Comparator Decoupling Refresh for Local DRAM and AT Bus Memory 82EC392 Data Buffer Controller DBC The 82EC392 performs all of the data buffering functions Under the control of the processor the 82EC392 routes data to and form the local CPU Bus The DBC performs Data Bus Conversion when CPU accesses to 16 or 8 bit device through 32 16 bit instruction The bus conversion is also supported for DMA Master cycle for the transfer between locak DRAM or cache memory and devices which resides on AT bus Parity Generation Detection Logic will compare the parity bit and the parity generated from the data byte If a mismatch happens the parity error will be generated In order to reduce the components count DBC provides the clock sources
18. ility since we are permanently endeavoring to supply the best products possible The manufacturer does not assume responsibility for customer product designs and for the fitness to any particular application nor for patent rights or other rights of third parties and infringements there of resulting from the use of this product The information furnished by us is believed to be accurate and reliable However no responsibility is assumed for inaccuracies that may not have been detected prior to printing and for those which occur beyond our control This document may not in whole or part be copied photocopied reproduced translated or converted to any machine readable form without prior written consent of the publisher This manual uses the following trademarks IBM IBM PC PC AT are registered trademarks of International Business Machine Corporation e Intel and 386 are the registered trademarks of Intel Corporation e Weitek is a registered trademark of Weitek Corporation e Xenix is a registered trademark of the Santa Cruz Corperation e Novell is a registered trademark of Novell Corp e Unix is rgeistered trademark of AT T 15 a registered trademark of 3Com Corporation EFAR is a registered trademark of EFAR Microsystems Inc All product names mentioned in this manual and not listed above are the registered trademarks of their respective companies 3 E3486 Mainboard PREPARATION OF
19. is performing erratically because of hardware problems Listed below 18 an explanation of the keys displayed at the bottom of the screens accessed through the BIOS SETUP program ESC Exit to previous screen Arrow keys Use arrow keys 1 lt to move cursor to desired selection SYSTEM BIOS SETUP PgUp PgDn Ctrl PgUp Ctrl PgDn Modify the default value of the options for the highighted feature If there are less than 10 available options the Ctrl pgUp and Ctrl PgDn keys function the same as the PgUp and PgDn keys Fl Displays help screen for selected feature F2 F3 Change background and foreground colors F5 Retrieves the values which were resident when current setup session was started These values will be CMOS values 1f the CMOS was uncorrupted at the start of the session or they will be the BIOS Setup default values F6 Loads all features in the Advanced CMOS Setup Advanced Chipset Setup with the BIOS Setup defaults F7 Loads all features in the Advanced CMOS Setup Advanced Chipset Setup with the Power On defaults F10 Saves all changes made to Setup and exits program Note The defaults value for the prompts which occur when the lt F5 gt lt F6 gt and lt F7 gt keys are pressed is always lt N gt Actually executing these options requires changing the lt N gt to lt Y gt Yes and pressing lt ENTER gt BIOS SETUP PROGRAM AMIBIOS SETUP UTILITIES C 1991 American Megatrends Inc All
20. is fitted with non conductive washer to prevent any shorting on your mainboard With some cases particularly those of compact design it may be necessary to remove the power supply and or disk drive housings The procedure for doing this will vary from case to case though it is usually a simple matter of removing a few screws Please consult any instructions included with your system case for details Under no circumstances bend the board or try to force it into place Taking an extra five minutes to remove components if necessary 1 a far better solution than ending up with a cracked or damaged board which may well malfunction or fail to operate cmomletely If you are in any doube as to how the 3486 Mainboard should be installed please consult a professional technician zm dO ues SYSTEM ASSEMBLY Connecting the Power Supply The connector for the power supply is situated near the keyboard socket on the 3486 Mainboard The connector 1s a standard AT switching power supply type and you should be able to plug the leads from your power supply directly into this connector Ideally a power supply of at leaast 200 watts capacity should be used especially 1f you have a hard disk drive installed in your system Most standard AT compatible power supplies are ideal for tha 3486 Mainboard Connecting the Keyboard The 3486 Mainboard comes with a keyboard socket built on to the board next to the power supply connector After the 3486 Mainb
21. isk Type 47 RAM Area Wait For lt F1 gt If Any Error System Boot Up Num Lock Numeric Processor Test W ei tek Processor Floppy Drive Seek At Boot System Boot Up Sequence External Cache Memory Internal Cache Memory Turbo Switch Function Password Checking Option Disabled Enabled Enabled Enabled DOS 1KB Enabled Disabled Enabled Enabled Enabled Setup ROM Shadow C400 16K Adaptor ROM Shadow C800 16K Adaptor ROM Shadow CC00 16K Adaptor ROM Shadow C800 16K Adaptor ROM Shadow CC00 16K Adaptor ROM Shadow C800 16K Adaptor ROM Shadow CC00 16K Adaptor ROM Shadow C800 16K Adaptor ROM Shadow CC00 16K Adaptor ROM Shadow C800 16K Adaptor ROM Shadow CC00 16K System ROM Shadow F000 64K Enabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Disabled Enabled LA A x ESC Exit Ctrl Pu Pd Modify F 1 Help F2 F 3 Color F5 0ld Values F6 BIOS Setup D faults F7 Power On Defaults reecshi 29 AUTO CONFIGURNATION BIOS SETUP PROGRAM AMIBIOS SETUP UTILITIES C 1991 American Megatrends Inc All Rights Reserved Extra AT Cycle Wait State Disabled RAS Precharge Single Ale Enable Disabled IDRAM Quick Read Mode Normal Cache Memory Data Buffer Disabled 386 DRAM Quick Write Mode Normal Cache Burst Wait State 0 W S Special Mode Normal Cache Read Wait State OW S RAD to CAS Delay Normal
22. led a video graphics adapter such as an MGA CGA EGA or VGA card depending on the type of monitor you wish to use into any empty slot 9 Closed your computer case and connected the monitor to the back of the video graphics adapter 6 Connected your keyboard to the keyboard connector on the 3486 M B through the back of your system case l you have carried out all the steps above you may turn on your computer and use the SETUP program in the BIOS on your 3486 Mainboard to configure the board to your hardware requirements For details on how to use the SETUP program refer to the following section If your computer fails to boot at power on and you hear a number of beeps this probably means that you have forgotten to install a vital component such as the video adapter or disk drive control card or made a wrong connection Check all the jumper settings you have made and ensure that they correspond to the actual configuration of the 3486 M B Also recheck all connections before trying again In particular check the connections from your disk drive s to the disk drive control card Disk drive cables have one colored edge usually red indicating Line 1 The colored edge must be matched to Pin 1 of the connector on your disk drive control card and the disk drive If you are still having problems after thoroughly checking your system configuration please consult the dealer from whom you purchased the 3486 Mainboard 72
23. oard has been installed your computer case you can plug your keyboard directly into this socket from the rear of your computer case Note that an AT compatible keyboard must be used with the 3486 Mainboard An XT compatible keyboard will not work Installing Interface Cards The 3486 Mainboard has six AT 16 bit slots two XT 8 bit slot AT type 16 bit interface cards have a single edge connector XT interface cards may be installed in AT type slots by simply plugging the single card connector in the longer slot AT interface cards may not be installed in the XT interface card slot When you install full length interface cards ensure that the card is correctly fitted into the guides at the front and back of your case and push the card firmly into the slot You do not need to use the slots in any particular order Any empty slot may be used to install any kind of interface card Power ON When you have installed the 3486 Mainboard in your case check that you have carried out the following operations before turning on your comprter 20 SYSTEM ASSEMBLY 1 Correctly set all jumper switches the 3486 Mainboard according to the configuration of your system 2 Connected all jumpers from the components on your system case including power on LED and keylock reset switch turbo switch turbo LED and speaker 3 Connected a power supply of the correct voltage and power output at least 200 watts 4 Instal
24. sage Standard CMOS Setup System Boot Up Num Lock The user may turn off the Num Lock option on his Enhanced Keyboard when the system is powered on This will allow him to use the arrow keys on the numeric keypad instead of using the other set of arrow keys on the Enhanced Keyboard The BIOS will default to turning the Num Lock on Floppy Drive Seek At Boot The default for this option is Disabled to allow a fast boot and to reduce the possibility of damage to the heads System Boot Up Sequence The AMI BIOS will default to boot from floppy drive A present and if unsuccessful it will boot from hard disk Cache Memory This option allows user to specify whether the external cache is enable or disable Internal Cache Memory This option allows user to enable or disable the internal cache of the 80486 CPU Fast Gate A20 Option Enable this option will optimize OS 2 environment Turbo Switch Function This option allows users to enable or disable turbo switch Password Check Option The password function can be used to prevent from unauthorized system boot up or unauthorized use of BIOS SETUP The default option is Disabled The prompt for the password will not appear when the system 15 re booted If the Always option is chosen at Setup each time the system 15 turned on l e booted the prompt for user password will appear If the Setup option is chosen at Setup the password promp
25. t circuitries for stable power on and power off operations JUMPER SETTING The motherboard upgrade feature from 386DX to 486SX DX processor is accomplished with as few as 8 eight jumper settings In addition there are the standard motherbaardeonfiguration jumpers for memory and accessory settings The following tables identify the motherboard jumpers JUMPER POSITION required 4875x 486dx 486sx P1 JP2 JP3 JP4 486sx 487sx 486dx 64x JP6 1 2 386dx 2 3 486dx 1 2 386dx 4864 386 486dx 1 2 386dx 2 3 4864 JP13 JUMPER SETTING j 5 BE LTS CGE 8 1 ______ 7 Mt EIS LIS CONNECTOR PINOUTS CONNECTOR PINOUTS Power Supply Connector 517 518 Power Good 5 Vdc 12 Vdc 12 Vdc Ground Ground Ground Ground 5 Vdc 5 Vdc 5 Vdc T 5 Vdc 1 2 3 4 5 6 7 8 9 Keyboard Connector 520 They keyboard cable connects to the system board through a 5 pin din connector The following table lists the connector pins and their signal names me neem Keyboard Clock Keyboard Data Keyboard Reset Ground 5 Vdc CONNECTOR PINOUTS Speaker Connector J1 This is a 4 header Speaker Signal 5 Vdc Keylock and Front Panel Power LED Connector J2 This is a 5 pin header D escription LED
26. t will not appear when the system 1 turned on but will appear if user want to enter the Setup program Standard CMOS Setup The program allows three attempts to key in the correct password After each incorrect attempt the prompt to enter the current password will appear followed by an X After the third incorrect attempt the system will lock and 1t will be necessary to reboot Video ROM Shadow C000 32K Shadow RAM enabled or disabled at each different segment BIOS SETUP PROGRAM STANDARD CMOS SETUP 1991 American Megatrends Inc All Rights Reserved Date mn date year Wed Apr 29 1992 Base memory 640 KB Time hour min sec 19 44 03 Ext memory 19456 KB Head Wpcom LZone Sect Size Hard disk C type 47 USER TYPE 762 8 0 0 39 116 MB Hard disk D type Not Installed Floppy drive A 1 2 MB 5 am dive Baa mB oe Woo Primary display Keyboard e I EA 12 13 14 17 18 j ju 20 Poof 3 4 5 6 7 8 9 Esc Exit gt Select F2 F3 Color Pu PD Modify Advanced CMOS Setup BIOS SETUP PROGRAM ADVANCED CMOS SETUP C 1991 American Megatrends Inc all Rights Reserved Video ROM Shadow C000 16K ypematic Rate Programmmg l Enabled Typematic Rate Delay msec Video Typematic Rate Chars Sec Above 1 MB Memory Test Memory Test Tick Sound Memory Parity Error Check Hit lt DEL gt Message Display Hard D
27. ted 1 ve i 2 ix ar f y Coy A a 0 Sox Zi 26 ar bud x aN 80386DX 33 40 MHZ 80486SX 20 25 40 277 47 5 80486DX 33 50 MHZ 80486DX2 50 66 MHZ E 3486 USER S MANUAL PLEASE RETURN TO grade 486 386 chip UP PREPARATION OF YOUR MAINBOARD SYSTEM ASSEMBLY SYSTEM BIOS SETUP APPENDIX PREPARATION OF YOUR MAINBOARD INTRODUCTION Congradulations on your procurement of the EFAR 3486 mainboard you are now the owner of one of the most powerful flexible and upgradable IBM PC AT compatible mainboards in the market The 3486 mainboard which employed EFAR 8290WB chipset has passed strict quality control procedure to ensure high degree of reliability and compatibility This mainboard is so designed to allow the flexibility of using any of the 386 and 486 CPUs exist in today s PC market depending on the need of a user This feature of flexibility 1 achieved by using the EFAR 8290WB chipset which integrates several components into three sophisticated Asic application Specific Integrated Circuits designs The chipset consitst of three chips The 82EC495 System Controller SC The 82EC392 Data Buffer Controller The 82C206 Integrated Peripheral Controller IPC Product data and specification information as contained in this manual are subject to change without prior notice for the sake of technical improvement in performance and reliab
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