486 -KVD - Elhvb.com
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1. 7 8 5 6 3 4 1 2 CLK2 0 0 1 0 40 MHZ 0 0 1 50 MHZ 0 0 0 80 MHZ 0 0 66 6 MHZ 0 0 66 6 MHZ 0 1 5 1 0 25 MHZ 1 0 0 40 MHZ 0 50 MHZ 1 1 1 0 33 3 MHZ 1 1 1 1 DOWM 0 closed 1 open VESA BUS CONNECTOR The motherboard provides two high performance VESA bus connectors 511 5 and 5116 for use with peripherals These connectors can be utilized for Local Bus Master and Local Bus Target The following lists give a pin assignment of SL15 and SL16 Side A of the connector are for the pinouts on the board component side Side B of the connector are for the pinouts on the board solder side Tside pins amp pinouts Tsiae pins amp pinouts 01 DATO 1 01 DATOO 51 15 02 02 2 Local Bus 03 GND 03 4 04 DATOS 04 06 Master 0 05 DATO7 05 DATOS 06 DATOS 06 GND 07 DATI 1 07 DATIO 08 13 08 2 09 DATIS 09 vec 10 GND 10 4 17 16 12 vec 12 18 19 13 DAT20 14 DAT21 14 GND 15 DAT23 15 DAT22 16 DAT25 16 DAT24 17 GND 17 DAT26 18 DAT27 18 DAT28 19 DAT29 19 DAT30 20 DAT3 1 20 21 ADR30 21 ADR31 22 ADR28 22 GND 23 ADR26 23 ADR29 24 GND 24 ADR27 25 ADR24 25 ADR25 26 ADR22 26 ADR23 27 vec 27 ADR21 28 ADR20 28 ADRI9 29 ADRI8 29 GND 30 16 30 ADRI7 31 ADRI4 31 ADRIS 32 ADRI2 32 vec 33 ADRIO 33 ADRI32. 2 Color F6 Load BIOS D efaults F7 Load Setup Defaults CHIPSET FEATURES SETUP ROM ISA BIOS VIAOO000 BIOS FEATURES SETUP AWARD SOFTWARE INC ISA command delay Noraml ISA wait state Normal IO recovery time Disabled Extended ALE Disabled Decoupled refresh Enabled Relocate 25 6 3 84 K Disabled Video BIOS Cacheable Enabled System BIOS Cacheable Enabled DRAM Timing Comtrol Fast Cache Timing Control 22 Turbo ESC Quit N gt Select Fl Help PU PD Modify F5 Old Values Shift F2 Color F6 Load BIOS D efaults F7 Load Setup D efaults Moving around The BIOS and CHIPSET FEATURE SETUP programs shown above work the same way as moving around the standard CMOS SETUP program Users are not encouraged to run the BIOS and CHIPSET FEATURES SETUP programs Your system should have been fine tuned before shipping Improper SETUP may cause the system to fail consult your dealer before making any changes PASSWORD SETTING When you select this function you can create a password Type YOUR password up to eight characters and press lt Enter gt You will be asked to confirm the password Type the password again and press lt Enter gt You may also press to abort the selection and not enter password To disable password press lt Enter gt when you are prompted to enter password A message appears confirming the password is disabled When the password i
3. 34 ADROS 34 ADRI 35 GND 35 ADRO9 36 ADR06 36 ADR07 37 ADR04 37 ADROS 38 WBACK 38 GND 39 BEO 39 ADRO3 40 vec 40 ARDO2 41 41 NC 42 BE2 42 RES ET 43 GND 43 D C 44 BE3 44 45 ADS 45 48 LRDY 48 RDYRTN 49 LDEVOR 49 GND 50 LREQO 50 IRQS 51 GND 51 BRDY 52 LGNTO 52 BLAST 53 vec 53 IDO 54 ID2 54 55 ID3 55 GND 56 1 4 56 57 LKEN 57 vec 58 LEADS 58 LBS 164 Connector Side A pins amp pinouts Side E3 pins amp pinouts 01 DATO 1 01 DATOO SL16 02 DATOS 02 DATO2 L ocal B us 03 GND 03 DATO4 04 DATOS 04 DATO6 Master 1 05 DATO7 05 DATOS 06 DATO9 06 GND 07 07 DATIO 08 DAT13 08 DAT12 09 DATIS 09 10 GND 10 DATI4 DATI7 16 12 vec 12 18 13 DATI9 13 DAT20 14 DAT2 14 GND 15 DAT23 15 DAT22 16 DAT25 16 DAT24 17 GND 17 DAT26 18 DAT27 18 DAT28 19 DAT29 19 DAT30 20 DAT3 1 20 vec 21 ADR30 21 ADR31 22 ADR28 22 GND 23 ADR26 23 ADR29 24 GND 24 ADR27 25 ADR24 25 ADR25 26 ADR22 26 ADR23 27 vec 27 ADR21 28 ADR20 28 ADRI9 29 ADR18 29 GND 30 ADRI16 30 ADR17 31 31 ADRIS 32 ADR12 32 vec 33 ADRIO 33 ADR13 34 ADRO8 34 ADRII 35 GND 35 ADROS 36 ADRO6 36 ADRO7 87 ADRO04 37 ADROS 38 WBACK 38 GND 39 39 ADRO3 40 vec 40 ADRO2 41 BEI 41 NC 42 BE2 42 RES ET 43 GND 43 D C 44 BE3 44 M IOR 45 ADS 45 48 LRDY 48 RDYRTN 49 LDEV1 49 GND 50 L
4. 486 KVD USER S MANUAL Table of Contents OVERVIEW e eR HERR 1 INTRODUCTION Gis ook Ge ok x SPECIFICATIONS MOTHERBOARD 2 SYSTEM BLOCK 3 MOTHERBOARDSETTINGS 5 CONNECTOR amp JUMPER PINOUTS 5 JUMPER DESCRIPTION 6 CPU TYPE SELECTION 6 INT XT KEYBOARD SELECTION 6 CPU CLOCK SELECTION oaa 7 VESA BUS CONNECTOR 252 450 e 7 SYSTEM MEMORY 1 MEMORY CONFIGURATION S Reve CACHE CONFIGURING SIZE 12 AWARDBIOSSETUP 15 SYSTEM SETUP 8 15 STATUS CMOS SETUP 16 DAYLIGHT SAVING t c 17 SETUP DEFAULT ger LOAD BIOS DEFAULTS 17 BIOS FEATURES SETUP Yee hie er ds CHIPSET FEATURES SETUP etu ee 518 PASSWORD SETTING 19 PASSWORD DISABLED 19 EXITING 19 AMI BIOS SETUP SYSTEM SETUP Sika 412 sy STANDARD CMOS SETUP ha ADVANCDE CMOS 5 WRITE CMOS AND HARD DISKSPECIFICATIONS CONNER 5 055 c Be eee 2248 Gi Ar Were MAXTOR urere Ge MS ite eeu OUANTUM 2 ru tacere pe ee tee Be 2583 SEA
5. 5 5V CN2 Power 1 Power good connector 2 5V 3 12V 4 12V 5 6 7 8 GND 9 5v 10 11 12 5V J2 External 2 NC Connector 3 NC 4 Cathode J9 Turbo LED 1 2 910 Turbo switch 1 GND 2 Turbo signal J11 Hardware GND reset 2 Reset signal 412 Speaker Speaker signal connector 2 NC 3 GND 4 5V J13 Keylock amp 1 Power signal power LED 2 Spare 3 GND 4 Key lock 5 GND 5 JUMPER DESCRIPTION Jumper Function Open Close J1 2 3 Internal Battery 2 External Battery J4 Display type Mono EGA Color A GA default J7 Password Clear 1 2 For Award BIOS Password Clear 2 3 5 51 Reset Normal Reset For DS1287A y dafault TABLE VOTE REFERANCE PAGE 19 CPU TYPE SELECTION CPU 4865 4860 JC1 2 3 1 2 JC2 2 3 2 _JC3_ OFF ON JC4 OFF ON 5 FOR TEST ONLY INT EXT KEYBOARD SELECTION JUMPER INTERNAL EXTERNAL JB1 2 3 shorted _ 1 2 shorted _ 2 2 3 1 2 shorted JB3 2 3 shorted 1 2 shorted JB4 2 3 shorted 1 2 shorted JBS 2 3 shorted 1 2 shorted 93 _ open close 6 CLOCK SELECTION
6. CTOR ST3096A 85MB 1024 17 8131 204 102MB 1024 12 17 8131 44A 125MB 1001 15 17 ST3283A 245 978 14 35 WESTERN DIGITAL MODEL CAPACITY CYLINDER HEAD SECTOR AC280 85M 980 17 21 20 125 872 8 35 AC2200 200M 989 12 35 AC2250 255M 1010 0 55 2340 341 1010 12 55 26
7. GATE eA 28 NS WESTERNDIGITAL OVERVIEW INTRODUCTION The 486 KVD motherboard is a high performance motherboard offering excellent features ideal for building advanced personal computers or workstations SPECIFICATIONS The 486 KVD motherboard comes with the following features Intel 80486DX 80486DX2 80486SX 80487SX P24T microprocessor Dual CPU in PQFP and PGA packages VIA VT82C485 80486180386 PC AT Chipset Supports 64KB 128KB 256KB of direct mapped write back cache memory Supports 1MB up to 128MB of DRAM memory for 486 system provides page mode DRAM operation Shadow RAM 64KB BIOS Seven 16 bit ISA expansion slots Supports two VESA BUS slots for LOCAL BUS master or LOCAL BUS slave Real time clock calendar VIA82C485 includes built in 8042 keyboard controller MOTHERBOARD LAYOUT qo 051287 05128856 TAG RAM BUS SLOT VESA BUS SLOT SYSTEM BLOCK DIAGRAM VESA BUS ADRESS ADDES ISA BUS PERIPHERAL DATABUS XD Keyboard Controller MOTHERBOARD SETTINGS CONNECTOR amp JUMPER PINOUTS Connector Function Pin outs Signal name CN1 Keyboard 1 Keyboard clock connector 2 Keyboard data 3 No connection 4 GND
8. I BIOS SETUP PROGRAM BIOS SETUP UTILITIES C 1992 American Megatrends Inc Rights Reserved STANDARD CMOS SETUP ADVANCED CMOS SETUP AUTO CONFIGURATION WITH BIOS DEFAULTS AUTO CONFIGURATION WITH POWER ON DEFAULTS CHANGE PASSWORD Write to CMOS and Exit Y N Y 1 Write the settings to the CMOS and Exit ESC Exit 4 T Sel F2 F3 Color F10 Save amp Exit HARD DISK SPECIFICATIONS CONNER MODEL CAPACITY CYLINDER HEAD SECTOR CP 30084 85MB 526 8 39 CP 30084E 85MB 526 8 39 CP 30104 120MB 726 8 39 CP30104H 240 726 8 39 30174 170 903 8 46 30174 170 903 46 30204 200MB 683 16 38 CP 30204F 200MB 683 16 38 CP 30254 251MB 895 10 55 CP 3364 360MB 702 16 63 3544 544 1024 16 63 MODEL CAPACITY CYLINDER HEAD SECTOR 7120A 120MB 1 023 14 17 7170A 170MB 984 10 34 7213A 213MB 683 16 38 7245A 245MB 967 16 31 7345A 345MB 790 15 57 QUANTUM MODEL CAPACITY CYLINDER HEAD SECTOR LPS80AT 80MB 611 16 17 LPS105AT 105MB 755 16 17 LPS120AT 120MB 901 5 53 LPS240AT 240MB 723 13 51 ELS85AT 85MB 977 IO 17 ELS127AT 127MB 919 16 17 ELS170AT 170MB 1011 15 22 SEAGATE MODEL CAPACITY CYLINDER HEAD SE
9. ING When enabled this field allows user to Set the clock one hour in advance When disabled it subtracts one hour when standard time begins After the changes are made press ESC to return to main menu LOAD SETUP DEFAULT Selecting this field loads the factory defaults for BIOS and CHIPSET FEATRUES which the system automatically detects LOAD BIOS DEFAULT BIOS defaults contain the most appropriate values of the systemparameter that allows to minimum system performance The OEM manufacturer may change the defaults through MODBINbefore the binary image burn into the ROM BIOS FEATURES SETUP ROM ISA BIOS 1 00000 BIOS FEATURES SETUP AWARD SOFTWARE INC Virus Waming Enabled System BIOS Shadow CPU Internal Cache Enabled Video BIOS Shadow External Cache Enabled C8000 CBFFF Shadow Quick Power On Self Test Disabled CCOOO CFFFF Shadow Disabled Boot Sequence D000 D3FFF Shadow Disabled Boot Up Floppy Seek 1 Enabled D4000 D7FFF Shadow Boot Numlock Status D8000 DBFFF Shadow Boot UP System Speed High DCOOO DFFFF Shadow IDE HDD Block Mode Disabled E0000 E3FFF Shadow Gate 20 Option 1 E4000 E7FFF Shadow Disabled E8000 EBFFF Shadow Disabled Typematic Rate Setting Disabled ECOOO EFFFF Shadow Disabled Typematic Rate Chars Sec 6 Typematic Delay 250 ESC Quit N Select S ecurity Option Setup F1 Help PU PD 4 Modify F5 Old Values Shift F
10. ITY AWARD SOFTWARE INC STANDARD CMOS SETUP PASSWORD SETTING BIOS FEATURES SETUP IDE HDD AUTO DETECTION CHIPSET FEATURES DETUP HDD LOW LEVEL FORMAT LOAD BIOS DEFAULTS SAVE amp EXIT SETUP LOAD SETUP DEFAULTS EXIT WITHOUT SAVE ESC Quit N 3 Select Item 10 Save amp Exit Shift F2 Color Use or gt lt key to select and press ENTER to run the select program STANDARD CMOS SETUP The Standard CMOS Setup has 10 items for setting Each item may have one or more option settings Use the arrow keys to highlight the item and then use the lt PgUp gt or PgDn keys to select the value you in each item ROM ISA BIOS STANDARD CMOS SETUP AWARD SOFTWARE INC Date mm dd yy Sat May 15 1993 Time hh mm ss 12 37 05 DAYLIGHT SAVING Disabled CYLS HEADS PRECOMP LANDZONE SECTORS Drive User 81mb 611 16 0 0 17 Drive D None Omb 0 0 0 0 0 Drive A 12 5 25 in Base Memory 640K Drive B 1 44M 3 5 in Extended Memory 7168K Video EGA VGA Expanded Memory OK Other Memory 384K Halt on All Errors Total Memory 8192K Esc Quit Ne Select Item PU PD Modify F1 Help Shift F2 Change Color F3 Toggle Calendar The standard CMOS Setup screen is displayed above System BIOS automatically detects memory size thun no changes are necessary Press function key to show the calender DAYLIGHT SAV
11. REQI 50 09 51 GND 51 BRDY 52 LGNTI4 52 BLAST 53 vec 53 IDO 54 102 54 1 1 55 103 55 GND 56 56 LCLK1 57 LKEN 57 58 LEADS 58 LBS 168 Jumpers JV2 JV3 give more information on settings of the system board and the VL BUS controller Change the default High Speed Write value if the installed VL BUS controller needs high speed zero wait state write transfers High Speed Write setting 0 wait write 2 3 shorted default setting 1 wait write 2 shorted The CPU Speed jumper settings follow the maximum clock speed of the CPU in use Adjust the setting according to your CPU clock speed CPU Speed JV2 setting lt 33 MHz 2 3 shorted gt 33 MHz 1 2 shorted SYSTEM MEMORY MEMORY CQNFIGURATION 486 System Bank 0 Bank 1 Memory Spec 1MB 256K x 4 2MB 256K x4 256 x 4 4MB 1M x 4 5MB 256K x 4 1M 4 1 4 256 4 8 1 4 1 4 16MB 4M x 4 17MB 256K x 4 4M x 4 4M x 4 256K x 4 20MB 1 4 4 4 4 4 1 4 32 4 4 4 4 64 16 4 65 256 4 16 4 16 4 256 4 68MB 1M x 4 16M x 4 16M x 4 1M x 4 80MB 4M x 4 16M x 4 16M x 4 4M x 4 128MB Max 16M 4 16M x 4 CACHE CONFIGURING SIZE The cache size of 486 KVD motherboard is jumpe
12. THOUT SAVING and press to retain the SETUP settings AMI BIOS SETUP SYSTEM SETUP A SETUP program has been built into the system BIOS so that configurations stored in the CMOS RAM can be changed This program is exectud when 1 User changes system configuration 2 User changes system backup battery 3 System detects a configuration error and asks the user to runh the SETUP program After power on RAM testing the message below appears Press DEL if you want to run SETUP Press DEL to run setup or do nothing to bypass If the DEL key pressed the following screen is displayed AMI BIOS SETUP PROGRAM BIOS SETUP UTILITIES C 1992 American Megatrends Inc All Rights Reserved STANDARDCMOSSETUP ADVANCED CMOS SETUP AUTO CONFIGURATION WITH BIOS DEFAULTS AUTO CONFIGURATION WITH POWER ON DEFAULTS CHANGE PASSWORD AUTO DETECT HARD DISK 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 4 T Sel F2 F3 Color F10 Save amp Exit Use keys to select and press Enter to run the selected program STANDARD CMOS SETUP AMIBIOS SETUP PROGRAM STANDARD CMOS SETUP C 1992 American Megatrends Inc All Rights Reserved Date m amp date year Fri Dec 11 1992 Base memory 640 KB Time hour min sec 11 32 03 Ext memory 3072 Head LZone S
13. ect Size Hard disk C Type 7 977 5 300 977 17 41 MB Hard disk D Type Not Installed T Floppy drive A 12 sl 29301 2 45 Floppy drive B Not Installed 67 8 9 10 1112 Primary display VGA PGA EGA 13 14 15 16 17 1819 Keyboard Installed 20 21 22 23 24 2526 21 28 29 30 31 1 2 Esc Exit Select F2 F3 Color PU PD Modify The SETUP proram is completely menu driven Use the arrow keys to select an entry PgUp PgDn keys to change an entry and Esc key to exit Help messages are displayed in a window on the screen when Alt F1 keys are pressed The standard CMOS SETUP screen is shown above System BIOS automatically detects memory size thus no changes are necessary After the changes are made press Esc to exit 22 ADVANCED CMOS SETUP AM IBIOS SETUP PROGRAM ADVANCED CMOS SETUP C 1992 American Megatrends Inc All Rights Reserved Typematic Rate Programming Disabled Adaptor ROM Shadow C800 32K Disabled Typematic Rate Delay msec 500 Adaptor ROM Shadow 0000 32K Disabled Typematic Rate Chars Sec 27 245 Adaptor ROM Shadow D800 32K Disabled Above MB Memory Test Disabled Adaptor ROM Shadow E000 64K Disabled Memory Test Tick Sound Enabled BootSector Virus Protection s Enabled Hit DEL Message Display Enabled BIOS Cacheable Option Enabled Hard Disk Type 47 RAM Area 9 00 Video Cacheable Option Enabled Wait For lt 1 gt If Any Error Enabled 256K Relecate Opt
14. ion Disabled System Boot Up Num Lock On ISA Bus Command Delay Disabled Numeric Processor Test Enabled ISA Slave Wait States D 4 5 Weitek Processor Absent I O Recovery Time Disabled Floppy Drive Seek At Boot Enabled Extended ALE Disabled System Boot Up Sequence 23 Decouple Refresh Enabled System Boot Up CPU Speed High Fast A20 Port 92H Disabled External Cache Memory Enabled AUTO Config Option Enabled Internal Cache Memory E Enabled DRAM Speed Select 0W S Fast Gate A20 Option Disabled Bus Clock Rate Select CLK2 1 5 Password Checking Option Setup Cache Read Cycle Select OWS Video ROM Shadow COOO 32K 5 Enabled Cache Write Cycle Select ESC Exit 4 97 Sel Ctrl Pu Pd Modify F1 Help F2 F3 Color F5 Old Values BIOS Setup Defaults 7 Power on Defaults Moving around the Advanced CMOS Setup program shown above works in the same way as moving around the standard CMOS setup Users are not encouraged to run the Advanced CMOS setup program Your system should have been fine tuned before shipping Improper SETUP may cause the system to fail Consult your dealer before making any changes 23 WRITE CMOS AND EXIT After making the necessary change under SETUP press ESC to return to the main meun move cursor to Write to CMOS and Exit and press to change the CMOS SETUP If no change weremade press ESC again and press to retain the CMOS settings AM
15. r selectable M1 M4 are assigned as Bank 0 and 6 9 are assigned as Bank 1 64K 128K 256K BANKO 8Kx8 32Kx8 32Kx8 8 8 32Kx8 TAG 8 8 8Kx8 32Kx8 M9 JS1 2 shorted 1 2 shorted 2 8 shorted JS2 2 shorted 2 8 shorted 2 8 shorted JS3 2 shorted 2 3 shorted 1 2 shorted 64K bytes Direct Mapped Cache M1 8Kx8 M2 8Kx8 M4 8Kx8 1 32Kx8 M2 32Kx8 M3 32Kx8 4 d 8 8 M6 7 8 8 8 8 i us 24 dd M7 8 256Kbytes Direct Mapped Cache 32Kx8 5 3K 8 M2 32Kx8 32 8 32 _ 32 8 7 32Kx8 32Kx8 8 32Kx8 M9 32Kx8 AWARD BIOS SETUP SYSTEM SETUP A SETUP program built into the system BIOS is stored in the CMOS RAM that allows the configuration settings to be changed This program is executed when 1 User changes system configuration 2 User changes system backup battery 3 System detects a configuration error and asks the user to run the SETUP program After power on RAM testing the message below appears TO ENTER SETUP BEFORE BOOT PRESS CTRL ALT ESC or lt DEL gt key Press CTRL ALT ESC or lt DEL gt to run SETUP The screen below appears ROM ISA BIOS CMOS SETUP UTIL
16. s disabled the system boot and you can enter Setup freely SECURITY OPTION If you select System under this field you will be prompted for the password every time system is rebooted or any time you try to enter SETUP If you select SETUP you will be prompted only when you try to enter SETUP CLEAR PASSWORD If you forget your password turn off the system power first and remove the system unit cover Locate Jumper J7 and cap it Turn the system power on and the screen will display the message below PASSWORD IS SET DISABLED PLEASE REMOVE JUMPER J7 BEFORE SETTING UP NEW PASSWORD This message indicates that the password is cleared Remove jumper J7 and reset the system At this point you will not be asked for the password to enter SETUP EXITING SETUP ROM ISA BIOS CMOS SRTUP UTILITY AWARD SOFTWARE INC STANDARD CMOS SETUP PASSWORD SETUP BIOS FEATURES SETUP IDE HDD AUTO DETECTION CHIPSET FEATURES SETUP HDD LOW LEVEL FORMAT ETUP SAVE to CMOS and EXIT Y N Y SANING LOAD SETUP DEFAULT ESC Quit N e S el ect Item F10 Save amp Exit Setup Shift F2 Change Color SAVE DATA TO CMOS amp EXIT SETUP After you have made changes under SETUP press ESC to return to the main menu Move cursor to SAVE amp EXIT SETUP or press F10 and then press to change the CMOS SETUP If you didn t change anything press ESC again or move cursor to EXIT WI
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