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SYSTEM BIOS

__________________________________

A-9

SETUP SECTION

There are currently 13 sections contained in BIOS Setup. As

the cursor is moved across the Menu Line, Page for the respective Setup
Section appears in the Edit. A quick summary of the utilities is given
below.

(1)

SUMMARY UTILITY PAGE

In the Summary Section, the basic configurations and

characteristic of your system can be viewed here. Each of the fields are
explained below with an example of how they might appear:

CPU

The type and revision number of the CPU is shown.

CPU 80486DX

indicates a 486DX processor chip

Содержание HAWK 486

Страница 1: ...H A W K 4 8 6...

Страница 2: ...this manual is for information only and is subject to change without notice REVISION 1 0 IBM IBM PC XT AT PC DOS MS DOS OS 2 INTEL WEITEK PHOENIX ARE THE TRADEMARKS OR REGISTERED TRADEMARKS OF THEIR R...

Страница 3: ...he receiver Move the computer away from the receiver Plug the power cord of computer into a different outlet so that computer and receiver are on different branch circuits Ensure that card slot covers...

Страница 4: ...r make sure that all the connectors memory modules and add on cards are secured 3 After power is on please wait for a minute The system BIOS are going through a self test during this period and nothin...

Страница 5: ...re and software engineers In this manual there are 4 chapters Chapter 1 contains a brief introduction and specification of OCTEK HAWK 486 motherboard In the Chapter 2 the functions of OCTEK HAWK 486 a...

Страница 6: ...2 8 Dual Bus Design 2 9 System Functions 2 10 Chapter 3 INSTALLING COMPONENTS 3 1 Installing RAM Modules 3 1 Installing External Battery 3 3 Configuration of Memory 3 4 DRAM Configuration 3 5 Control...

Страница 7: ...CMOS 4 8 RAM CMOS RAM Address Map 4 9 Real Time Clock Information 4 10 System Expansion Bus 4 11 APPENDIX A SYSTEM BIOS A 1 Setup Utility Description A 2 Prompt Line Prompts A 5 Esoteric Prompts A 8 S...

Страница 8: ...APPENDIX C TROUBLESHOOTING C 1 Main Memory Error C 1 Improper Setting of Wait State C 1 APPENDIX D SYSTEM BOARD LAYOUT D 1...

Страница 9: ...and supports sophisticated 32 bit computing applications and multi user operating systems The total memory is 32MB memory is installed on board and flexible memory configuration for 256K 1M and 4M Co...

Страница 10: ...INTRODUCTION __________________________________ 1 2 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 11: ...I O Slot Compatible to standard AT bus Two 8 bit and six 16 bit slots Programmable wait state for AT cycle Programmable AT Bus speed Memory Shadow RAM for System BIOS and Video BIOS Fast page mode DRA...

Страница 12: ...Channel DMA Direct Memory Access 16 level interrupt 3 programmable timers CMOS RAM for system configuration Real time clock with battery backup Other Features On board POWERGOOD generation On board b...

Страница 13: ...ic processor and a four way set associate cache memory It is fully binary compatible with 80386 and 80387 All existing software for PC XT AT can be used on OCTEK HAWK 486 However due to the new intern...

Страница 14: ...GENERAL FEATURES __________________________________ 2 4...

Страница 15: ...memory when CPU reads this data If a read miss occurs the CPU will initiate a burst mode read operation In burst mode read operation CPU performs four successive read operations each of which takes o...

Страница 16: ...the external bus is idle data will be sent to the main memory If all buffers are filled it can start write operation in burst mode Since the internal cache is updated immediately the CPU need not susp...

Страница 17: ...th can be increased up to 4GB The demand for sophisticated number crunching scientific and business applications has rapidly increased in recent years In the past microprocessor features an integer Ar...

Страница 18: ...The DRAM should be fast page mode DRAM with CAS before RAS refresh capability The memory system supports Burst mode Successive memory accesses in 3 2 2 2 DRAM burst cycles It does not require wait sta...

Страница 19: ...l speed A dual bus design is employed A high speed bus links the CPU coprocessor cache memory and main memory This bus is synchronous with the clock of the CPU and the data transfer is 32 bits Wheneve...

Страница 20: ...GENERAL FEATURES __________________________________ 2 10...

Страница 21: ...MA Timer Real time clock Clock and ready generation I O channel control All system functions are 100 compatible to AT standard I O channel of OCTEK HAWK 486 is designed to be compatible with standard...

Страница 22: ......

Страница 23: ...t as shown in the next page To install a module the module edge is angled into the socket s contact and then the module is pivoted into position where the locking latches will secure it If the module...

Страница 24: ...____________________________ 3 2 If the BIOS reports an memory error or parity error drag out the modules and insert them again If the locking latches are damaged contact your dealer to replace the so...

Страница 25: ...n stored in CMOS RAM an external battery is needed to provide power after the system is turned off The connector P8 for the battery is located beside the keyboard connector on the rear of the board A...

Страница 26: ...next page There are totally two banks of DRAM The memory size is detected automatically by system BIOS This detection is performed during memory test and the size is indicated after reset No jumper i...

Страница 27: ...setup Improper setting may cause the system malfunction In this case reset the CMOS setup using JP3 Then reset the system and go through the system setup again DRAM CONFIGURATION Bank 0 SIMM 1 4 Bank...

Страница 28: ...st speed Whenever the system speed is set to slow by turbo switch it cannot be changed by keyboard and vice versa RESET CMOS SETUP INFORMATION Sometimes the improper setting of system setup may make t...

Страница 29: ...__ 3 7 SYSTEM BOARD JUMPER SETTING There are several options which allow user to select by hardware switches Security Selection JP2 1 2 Enable OPEN Disable CPU Type 486DX 486SX 487SX JP4 1 2 OPEN 2 3...

Страница 30: ...f the system unit Connector Function P2 Hardware reset connector P5 Speaker connector P4 Turbo switch connector P3 Turbo LED connector P1 Power LED Ext Lock connector P6 P7 Power supply connector P8 E...

Страница 31: ...__________________________ 3 9 P 5 Speaker Connector Pin Assignment 1 Data out 2 5 Vdc 3 Ground 4 5 Vdc P 4 Turbo Switch Connector Pin Assignment 1 Selection Pin 2 Ground P 3 Turbo LED Connector Pin A...

Страница 32: ...1 Power LED Ext Lock Connector Pin Assignment 1 5 Vdc 2 Key 3 Ground 4 Keyboard inhibit 5 Ground P6 P7 Power Supply Connector Pin Assignment 1 POWERGOOD 2 5 Vdc 3 12 Vdc 4 12 Vdc 5 Ground 6 Ground Pi...

Страница 33: ...S __________________________________ 3 11 P 8 External Battery Connector Pin Assignment 1 Vdc 2 not used 3 Ground 4 Ground KB 1 Keyboard Connector Pin Assignment 1 Keyboard clock 2 Keyboard data 3 Spa...

Страница 34: ...INSTALLING COMPONENTS __________________________________ 3 12 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 35: ...K 486 MEMORY MAPPING Address Range Function 000000 7FFFFF 000K 512K System Board Memory 512K 080000 09FFFF 512K 640K System Board Memory 128K 0A0000 0BFFFF 640K 768K Display Buffer 128K 0C0000 0DFFFF...

Страница 36: ...SS HEX DEVICE 000 01F DMA Controller 1 8237 020 03F Interrupt Controller 1 8259 Master 040 05F Timer 8254 060 06F Keyboard Controller 070 07F Real Time Clock NMI non maskable interrupt mask 080 09F DM...

Страница 37: ...Disk 200 207 Game I O 278 27F Parallel Printer Port 2 2F8 2FF Serial Port 2 300 31F Prototype Card 360 36F Reserved 378 37F Parallel Printer Port 1 380 38F SDLC bisynchronous 2 3A0 3AF Bisynchronous 1...

Страница 38: ...as three programmable timer counters controlled by 82C206 and they are defined as channels 0 through 2 Channel 0 System Timer Gate 0 Tied on Clk in 0 1 190 Mhz OSC Clk out 0 8259 IRQ 0 Channel 1 Refre...

Страница 39: ...PPI bit Clk in 2 1 190 Mhz OSC Clk out 2 Used to drive the speaker Note Channel 1 is programmed to generate a 15 micro second period signal The 8254 Timer Counters are treated by system programs as an...

Страница 40: ...oprocessor NMIParity or I O Channel Check Interrupt Controllers CTLR 1 CTLR 2 IRQ0 Timer Output 0 IRQ1 Keyboard Output Buffer Full IRQ2 Interrupt from CTLR 2 IRQ8 Real time Clock Interrupt IRQ9 Softwa...

Страница 41: ...TECHNICAL INFORMATION __________________________________ 4 7...

Страница 42: ...Y ACCESS DMA OCTEK HAWK 486 supports seven DMA channels Channel Function 0 Spare 8 bit transfer 1 SDLC 8 bit transfer 2 Floppy Disk 8 bit transfer 3 Spare 8 bit transfer 4 Cascade for DMA Controller 1...

Страница 43: ...nnel 2 0081 DMA Channel 3 0082 DMA Channel 5 008B DMA Channel 6 0089 DMA Channel 7 008A Refresh 008F REAL TIME CLOCK AND CMOS RAM Real time clock and CMOS RAM are contained on board Real time clock pr...

Страница 44: ...e drive type byte drives A and B 11 Reserved 12 Fixed disk type byte drives C and D 13 Reserved 14 Equipment byte 15 Low base memory byte 16 High base memory byte 17 Low expansion memory byte 18 High...

Страница 45: ...s real time clock bytes and specifies their addresses Byte Function Address 0 Seconds 00 1 Second alarm 01 2 Minutes 02 3 Minute alarm 03 4 Hours 04 5 Hour alarm 05 6 Day of week 06 7 Date of month 07...

Страница 46: ...4 12 SYSTEM EXPANSION BUS OCTEK HAWK 486 provides seven 16 bit slots The I O channel supports I O address space from hex 100 to hex 3FF Selection of data access either 8 or 16 bit 24 bit memory addre...

Страница 47: ...TECHNICAL INFORMATION __________________________________ 4 13 The following figure shows the pin numbering for I O channel connectors JA1 to JA7...

Страница 48: ...TECHNICAL INFORMATION __________________________________ 4 14 The following figure shows the pin numbering for I O channel connectors JB1 JB7...

Страница 49: ...O A1 I O CH CK I A2 SD7 I O A3 SD6 I O A4 SD5 I O A5 SD4 I O A6 SD3 I O A7 SD2 I O A8 SD1 I O A9 SD0 I O A10 I O CH RDY I A11 AEN O A12 SA19 I O A13 SA18 I O A14 SA17 I O A15 SA16 I O A16 SA15 I O A17...

Страница 50: ...ower B4 IRQ9 I B5 5 Vdc Power B6 DRQ2 I B7 12 Vdc Power B8 0WS I B9 12 Vdc Power B10 GND Ground B11 SMEMW O B12 SMEMR O B13 IOW I O B14 IOR I O B15 DACK3 I B16 DRQ3 O B17 DACK1 I B18 DRQ1 O B19 Refres...

Страница 51: ...O Channel C Side I O Pin Signal Name I O C1 SBHE I O C2 LA23 I O C3 LA22 I O C4 LA21 I O C5 LA20 I O C6 LA19 I O C7 LA18 I O C8 LA17 I O C9 MEMR I O C10 MEMW I O C11 SD8 I O C12 SD9 I O C13 SD10 I O C...

Страница 52: ...I O Channel D Side I O Pin Signal Name I O D1 MEM CS16 I D2 I O CS16 I D3 IRQ10 I D4 IRQ11 I D5 IRQ12 I D6 IRQ15 I D7 IRQ14 I D8 DACK0 O D9 DRQ0 I D10 DACK5 O D11 DRQ5 I D12 DACK6 O D13 DRQ6 I D14 DA...

Страница 53: ...TECHNICAL INFORMATION __________________________________ 4 19 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 54: ......

Страница 55: ...e sure the system is functional It will initialize the chipset with setting stored in the CMOS RAM Then it proceeds to load the disk operating system and you can start to work with your applications I...

Страница 56: ...is pressed during cold boot or 3 CTRL ALT ESC is pressed to warm boot into Setup The Setup Utility is an interactive program for the system setup You can enter the system configuration such as clock h...

Страница 57: ...may be selected Use Left and Right arrow key to change from one setup section to another and the corresponding Edit Page see below is shown Press ENTER key to enter the setup section 3 Edit Page In t...

Страница 58: ...h Unit n a Floppy 3 None Fixed 80 C Type 17 RAM Cache Enable Fixed 81 D Type 17 Shadow RAM Enable Boot Sequence C 1st Memory Base 640K Anti Virus n a Memory Extended 3328K Security Disable Memory Syst...

Страница 59: ...ecord the new configuration to CMOS and terminate the Setup session The system will proceed to boot up HOME END LEFT RIGHT ARROWS MOVES CURSOR The Menu cursor can be moved respectively to the first en...

Страница 60: ...g a field within Edit Page This particular field can be entered with numbers or letters Press ENTER to enter the editing mode The field remains illuminated and a small blinking underline cursor will a...

Страница 61: ...NGE SPACEBAR SCROLLS CHOICES The cursor is currently illuminating a field within the Edit Page which may be changed Press SpaceBar or to change to other available options The options are rolled throug...

Страница 62: ...selecting a new configuration This additional step is not consistent with behaviour of the other utilities but is necessary so that a new password can be prompted when appropriate and so the current...

Страница 63: ...ve Setup Section appears in the Edit A quick summary of the utilities is given below 1 SUMMARY UTILITY PAGE In the Summary Section the basic configurations and characteristic of your system can be vie...

Страница 64: ...system NPX Description Built in internal cache RAM CACHE It indicates status of internal cache RAM CACHE Disable disable internal cache Enable enable internal cache SHADOW RAM Indicates if any part o...

Страница 65: ...oundary Possible range is 0K to 15360K For example Memory Extended 1024K MEMORY SYSTEM Indicates the amount of special OEM memory found to be in working order Typically this field will be un implement...

Страница 66: ...l printer port LPT1 is present and its I O address For example LPT1 n a LPT1 3BC LPT1 378 LPT1 278 FLOPPY 0 FLOPPY 1 FLOPPY 2 AND FLOPPY 3 Indicates floppy drive type and step rate The type can be 5 3...

Страница 67: ...t to non zero Fixed 80 C Description N A Fixed controller card not present None Drive type 0 no drive present 2 Drive type 2 no special features 47T Drive type 47T Translation Mode 8 F Drive type 8 sp...

Страница 68: ...Virus is provided in two options enable disable SECURITY The state of password Security is shown in this field For example Security Enable Security Disable KEYBOARD The keyboard type is shown in this...

Страница 69: ...field Note This is only meaningful for AT type keyboards For example NumLock Off NumLock On TYPEMATIC The programmable powerup typematic repeat rate is shown here Note This is only meaningful for AT...

Страница 70: ...one Special Support see VIDEO menu Monochrome B W card CGA Snow CGA slow access due to snow CGA Fast CGA snow isn t problem V EGA Mono Advanced Graphics B W monitor V EGA Color Advanced Graphics Color...

Страница 71: ...ility TIME The time field is shown in 12 hour format followed by a time of day indicator a or p am pm Enter the time directly After entering the second the cursor moves the right most of the field pre...

Страница 72: ...he year If enable on the last Sunday in April the time increments from 1 59 59 am to 3 00 00 am On the last Sunday in October when the time reaches 1 59 59 am it is rolled back to 1 00 00 am This feat...

Страница 73: ...monochrome The BIOS will identify these cards and make both choices available for primary selection If one of the cards is V EGA the BIOS will automatically detect whether the display card is in colo...

Страница 74: ...es a 5 25 inch 360K bytes drive b 5 25 inch 1 2M bytes drive c 3 5 inch 720k bytes drive d 3 5 inch 1 4M bytes drive e 3 5 inch 2 8M bytes drive The step rate parameter controls the speed which the dr...

Страница 75: ...Move the cursor to the Type field and select 46 or 47 Then move the cursor down to the next field Cylinders and press ENTER Enter the number of cylinders and press ENTER when done Continue in this fas...

Страница 76: ...Also the interleave is programable The default setting is 3 But most of the fixed disks and controllers nowadays such as IDE hard disk support interleave factor of 1 Consult the manual of hard disk an...

Страница 77: ...ve C is more convenient and takes less time The boot sequence is now selectable In addition to the usual A first then C sequence the order may be reversed so that drive C is accessed first To override...

Страница 78: ...emory test which will just need a few seconds COLD BOOT DELAY Since power up diagnostics only take a few second some hard disks may not even complete their setup process and can not be accessed by the...

Страница 79: ...lt state of NumLock can be set Select Disable or Enable accordingly TYPEMATIC RATE When a key is pressed on the keyboard for a period of time the keystroke will begin repeating at a predefined rate Th...

Страница 80: ...cps If the keyboard fails to function properly when overriding the default typematic state disable the Typematic Override field The Delay and Rate fields will display Default in response to this selec...

Страница 81: ...is running at very fast speed but the keyboard is a slow speed device The BIOS allows you to adjust a parameter to make the keyboard work properly You need to test your selection Set to the lowest va...

Страница 82: ...BIOS __________________________________ A 28 9 CACHE CONFIGURATION You can enable the internal cache of CPU and no external secondary cache supported in this system The internal cache is by default e...

Страница 83: ...ory In this case the memory block originally locates at A0000H to BFFFFH where is already occupied by display memory will also be remapped to the top of memory There is additional 256KB available in t...

Страница 84: ..._____________________ A 30 ranges and hence there are more spaces available in the 640KB range If a particular memory block in D0000H to DFFFFH and E0000H to EFFFFH are set to RW Shadow 256KB remapped...

Страница 85: ...ny doubt ask your dealer DMA CLOCK It is initially set to ATCLK 2 If set to ATCLK 1 the DMA operation is running at 8MHz 8 BIT WAITS 16 BIT WAITS This option controls the CPU access to the peripherals...

Страница 86: ...SIGNAL MEMW SIGNAL Setting to the option Normal is compatible to standard AT design The option Early allows the faster generation of control signal MEMR and MEMW Since it is reliable to use the optio...

Страница 87: ...eration depends on the clock speed of CPU and the speed rating of the DRAM Improper setting can make the system unstable Since the specification of DRAM for different manufacturers may vary you would...

Страница 88: ...below CPU Speed MHz AT CLK 33 25 20 16 CLKIN 4 8 4 6 3 5 0 4 0 CLKIN 3 11 1 8 3 6 6 5 3 CLKIN 2 5 12 5 10 0 8 6 4 CLKIN 2 16 7 12 5 10 8 The system performance can be improved by selecting a higher B...

Страница 89: ...ing the BIOS setup via CTRL ALT ESC the SUMMARY page will be displayed as usual but the user will be prompted to press F10 to Exit or ENTER for Security Clearance When you select to enable the Securit...

Страница 90: ...The password entry feature may also be set to Disable and the Security feature is disabled When disabled anyone can invoke the BIOS Setup and enable the Security feature with their own password Afterw...

Страница 91: ...SYSTEM BIOS __________________________________ A 37 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 92: ......

Страница 93: ...r golden finger Hold the cards by their edges KEEPING THE SYSTEM COOL The motherboard contains many high speed components and they will generate heat during operation Other add on cards and hard disk...

Страница 94: ...and the slot may be poor and thus the add on card may not work properly Use a pencil eraser to clean the golden finger if dirt is found CLEANING THE MOTHERBOARD The computer system should be kept clea...

Страница 95: ...other cases the total memory found by the BIOS is different from the actual amount of memory on board Note that 128K bytes memory is reserved for the shadow RAM function and will not be counted by the...

Страница 96: ...TROUBLESHOOTING __________________________________ C 2 THIS PAGE IS INTENTIONALLY LEFT BLANK...

Страница 97: ...D 1 Appendix D System Board Layout _______________________________...

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