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GENERAL FEATURES
__________________________________

PROCESSOR

The 80486 microprocessor is the state-of-art

microprocessor which merges many innovative features

on a single chip for advanced applications and operating
systems. Fabricating with the l um process, this CPU

consists of more than one million transistors. With such
high density, this CPU incorporates as many as new

features to make itself the most powerful
microprocessor.

80486 is a 32-bit microprocessor with 32-bit

external data bus and 32-bit external address bus. It not
only contain a central processing but also integrates a

numeric 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
the DRAGON EISA. However, due to the new internal

architecture, the performance of 80486 is two or four
times of 80386.

The overall performance of computer system can

be improved by cache memory. Nevertheless, if the
cache memory is separated from CPU, CPU still needs to

fetch code and data through external bus. That means
the data transfer rate should not be too fast so that the

external device are able to keep pace with the CPU. In
80486, the cache controller and cache memory are

integrated into the chip. Most of the operations can be
carried out inside the CPU, which reduces the bus

operations on external data and address bus and thus
speeds up the internal execution.

Содержание DRAGON EISA 486

Страница 1: ...DRAGON EISA 486 ...

Страница 2: ...al in this manual is for information only and is subject to change without notice REVISION 1 2 IBM IBM PC XT AT PC DOS MS DOS OS 2 INTEL AMI ARE THE TRADEMARKS OR REGISTERED TRADEMARKS OF THEIR RESPECTIVE OWNERS ...

Страница 3: ...ay from the receiver Move the computer away from the receiver Plug the computer into a different outlet so that computer and receiver are on different branch circuits Ensure that card slot covers are in place when no card is installed Ensure that card mounting screws attachment connector screws and ground wires are tightly secured If peripherals are used with this system it is suggested to use shi...

Страница 4: ... power make sure that all the connectors memory modules and add on cards are secured 3 After power is on wait for a minute The system BIOS are going through a self test during this period and nothing is shown on the screen After the self test the system BIOS will initialize the display adaptor and show messages 4 The SIMM sockets are fragile device Do not force the SIMM modules into the sockets It...

Страница 5: ...ation for hardware and software engineers In this manual there are 4 chapters Chapter 1 contains a brief introduction and specification of OCTEK DRAGON EISA motherboard In the Chapter 2 the functions of DRAGON EISA are explained It also outlines many advanced features of the CPU and the system architecture Chapter 3 explains the installation of coprocessor DRAM modules and jumpers Technical inform...

Страница 6: ...External Cache 2 7 DRAM System 2 10 EISA BUS 2 12 Chapter 3 CONFIGURING THE SYSTEM Configuring Weitek 4167 Coprocessor 3 1 Configuration of Cache Memory 3 2 Installing DRAM SIMM Modules 3 4 Configuration of Memory 3 5 DRAM Configuration 3 6 System Board Jumper Setting 3 7 System Board Connectors 3 8 ...

Страница 7: ...rect Memory Access DMA 4 17 Real Time Clock and CMOS RAM 4 19 CMOS RAM Address Map 4 20 Real Time Clock Information 4 21 Appendix A SYSTEM BIOS Self Test A 1 System Setup A 4 Appendix B EISA CONFIGURAITON UTILITY EISA System Configuration B 1 ECU for the Dragon EISA B 2 Installation of AMI ECU B 3 Operation of AMI ECU B 4 ...

Страница 8: ... Electricity C 1 Keeping The System Cool C 1 Cleaning The Golden Finger C 2 Cleaning The Motherboard C 2 Appendix D TROUBLESHOOTING Main Memory Error D 1 Cache Memory Failure D 1 Improper Setting of Wait State D 2 Appendix E SYSTEM BOARD LAYOUT ...

Страница 9: ... controller capable of bursting to cache size ranging from 64 KB to 512 KB Owing to 32 bit EISA bus the board is able to sustain at a maximum of 33 MB sec data transfer rate between peripherals attached to its slots The high transfer rate means the board is suitable for those applications involving transfer of large volume of data such as network file servers engineering work stations workstation ...

Страница 10: ...rd has been fully certified for compatibility and reliability under a vast number test environments In particular the board has been tested and found compatible with most EISA products available in the market ...

Страница 11: ...nced 80387 coprocessor WEITEK WTL 4167 coprocessor socket Cache 8 KB four way set associative internal cache 64 KB to 512 KB Interleaved write back external cache Memory 8 SIMM socket for 1 MB 4 MB or 16 MB memory module support 70 ns fast page mode DRAM Maximum of 128 MB DRAM on board Page mode and hidden refresh Shadow RAM for system and video BIOS ...

Страница 12: ...d on cards 6 EISA slot available for EISA bus master maximum 33 MB sec burst data transfer rate Auto configuration for Add on card setting System Support Functions Real time clock 4 KB EISA CMOS RAM with battery back up 7 DMA channels for 8 16 or 32 bits DMA 33 MB sec DMA transfer rate Fast A20 gate and fast reset Other Features 6 layer baby AT size ...

Страница 13: ...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 the DRAGON EISA However due to the new internal architecture the performance of 80486 is two or four times of 80386 The overall performance of computer system can be improved by cache memory Nevertheless if the cache memory is separated from CPU CPU still n...

Страница 14: ... When a read miss occurs the CPU will initiate a burst mode read operation In this operation CPU performs four successive read operations each of which takes only one cycle Total 128 bits data are fetched into the CPU s internal cache Since burst mode read operation is very fast the traffic of the CPU bus is greatly reduced and the bus is available to other bus masters such as DMA controller Readi...

Страница 15: ... the external bus is idle data will be sent to 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 suspend its operation and there is no need to wait or the external device to update the main memory Many often used instructions are executed in a clock cycle and some instructions are modified to take fewer...

Страница 16: ...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 Arithmetic Logic Unit which only handles simple integer operations such as addition and multiplication Floating point operations which are actually utilized by applications must be accomplished through ...

Страница 17: ... has to switch back and forth between tasks a large amount of data is necessary to bring in and out of the cache the 8K bytes internal cache memory is found to have low hit rate The performance can be improved by adding an external cache memory to increase the overall hit rate Owing to the randomness of the nature of memory reference found in multi user or multi tasking environments the size of an...

Страница 18: ...lled In some system the CPU write operation is performed simultaneously to the DRAM as well as to the cache Such write policy is termed as write through and the performance of write operation is limited by the slow DRAM In some system the CPU write is performed to the cache as well as a buffer in the DRAM subsystem The speed of the write operation is not limited to DRAM Such design is called post ...

Страница 19: ...ly a fraction of dirty write data get to put back to DRAM The low DRAM utilisation means the availability of DRAM to other bus master has been improved In an EISA system where more than one bus master device are often installed the write back cache design can improve the overall system performance ...

Страница 20: ...nfiguration of the system The DRAM controller supports page mode The DRAM is divided into pages with equal size Successive DRAM accesses within the same page need not require wait state Furthermore a burst line fill mode is implemented In case of a read miss occurred in cache memory 16 bytes data will be fetched from DRAM to the cache The page mode operation can speed up the line fill operation To...

Страница 21: ... speed system like DRAGON EISA board the CPU indeed can process a large amount of data during the DRAM refresh period By implementing hidden refresh the refresh operations for expansion card on the EISA slot and for the DRAM are separated To be compatible with AT bus add on card the refresh operation for EISA bus is same as that found in the original PC AT But the refresh operation for the DRAM wi...

Страница 22: ...investment It has also freed customers from a single vendor proprietary architecture and for the first time given customers real freedom of choice in selecting the best computers software and peripherals to meet their needs Over the last eleven years ISA has become a customer controlled standard rather that a vendor controlled standard In this eleven year each key elements of this industry standar...

Страница 23: ...s to full 32 bit capabilities As 386 and 486 based machines has already become the standard PC platform for business applications a full function 32 bit I O bus will be more than necessary A number of industry leaders were working together to come up an extension to the industry standard architecture in 1989 The Extended Industry Standard Architecture EISA is both fully compatible with the vast in...

Страница 24: ...e EISA motherboard and add on cards it is expected that EISA to begin to assume its expected role and take part into all classes of applications that are expected to be benefit from the advance architecture EISA is a superset of the 16 bit AT bus It extends the capabilities of that standard while maintaining compatibility with AT bus expansion card ...

Страница 25: ...can be used for I O peripheral that do not require local intelligent on the peripheral EISA based system support a bus master architecture for intelligent expansion cards The bus master architecture provide a high speed data transfer rate upto 33 MB s using EISA burst cycles The bus master provides local intelligence by including a dedicated I O processor and local memory It can relieve the burden...

Страница 26: ... to assign system resources such as DMA channels interrupt levels and thus prevent conflicts between the installed expansion boards For switch configurable boards the configuration files can be used to outline the proper assignment of resources and instruct the user about the proper selection of switch settings To accomplish the automatic system and expansion board configuration EISA provides a me...

Страница 27: ...___________________ The remaining deeper set of 90 pins are used for the EISA card signal Because the EISA slots are downward compatible to AT slots so an AT expansion card can be inserted into these EISA slots and will work properly ...

Страница 28: ...GENERAL FEATURES __________________________________ THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 29: ... your computer before installing or replacing any component CONFIGURING WEITEK 4167 COPROCESSOR Math coprocessor WEITEK 4167 is a PGA devices Beside the CPU there is a 144 pin PGA socket To install Math Coprocessor be sure to line up pin 1 of the Math coprocessor with pin 1 of the socket as shown below ...

Страница 30: ...FIGURATION OF CACHE MEMORY Note if you have any question about the configuration of the cache memory consult your local dealer Improper configuration will cause the system malfunction The external cache memory can be 64 KB 128 KB 256KB or 512KB The jumper and SRAM should be chosen to match all the following three tables Cache Size JP10 JP11 JP12 JP13 JP14 JP15 JP5 64KB OPEN OPEN OPEN OPEN OPEN OPE...

Страница 31: ...___________ Cache Size U53 55 65 67 U52 54 66 68 U56 57 69 70 64KB 8Kx8 8Kx8 128KB 32Kx8 256KB 32Kx8 32Kx8 512KB 32Kx8 128Kx8 Cache Size U50 U51 U64 64KB 8Kx8 16Kx1 or 64Kx1 128KB 8Kx8 16Kx1 or 64Kx1 256KB 8Kx8 8Kx8 16Kx1 or 64Kx1 512KB 32Kx8 64Kx1 ...

Страница 32: ...he sockets 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 edge is not completely inserted into the socket it cannot be pivoted to be in vertical position and should be dragged out and re inserted again Do not force the module into the SIMM socket It will damage the locking l...

Страница 33: ...y size and DRAM type To determine what DRAM speed rating should be used depends on the system speed and wait state The highest performance is accomplished by using zero wait state but high speed DRAM has to be used If zero wait state is selected fast page mode DRAM is needed The wait state setting is applied to all banks of memory Therefore make sure to install DRAM with the same speed rating or a...

Страница 34: ...CONFIGURING THE SYSTEM __________________________________ DRAM CONFIGURATION Bank 0 Bank 1 Total 1M 4M 1M 1M 8M 4M 16M 1M 4M 20M 4M 4M 32M 16M 64M 16M 16M 128M ...

Страница 35: ...NG THE SYSTEM __________________________________ SYSTEM BOARD JUMPER SETTING There are several options which allows user to select by hardware switches Display Selection JP4 ON CGA EGA VGA OFF Monochrome display ...

Страница 36: ...the system board Description S9 Hardware reset connector J1 Keyboard connector J2 J3 Power supply connector J4 Speaker connector J5 Key lock connector JP17 Heat sink with fan connector Pin assignment of the connector are illustrated as follows S9 Hardware Reset Connector Pin Assignment 1 Selection Pin 2 Ground ...

Страница 37: ...___ J1 Keyboard Connector Pin Assignment 1 Keyboard Clock 2 Keyboard Data 3 Spare 4 Ground 5 5 Vdc J2 J3 Power Supply Connector Pin Assignment 1 Powergood 2 5 Vdc 3 12 Vdc 4 12 Vdc 5 Ground 6 Ground Pin Assignment 1 Ground 2 Ground 3 5 Vdc 4 5 Vdc 5 5 Vdc ...

Страница 38: ...CONFIGURING THE SYSTEM __________________________________ 6 5 Vdc ...

Страница 39: ...______________________ J4 Speaker Connector Pin Assignment 1 Data out 2 5 Vdc 3 Ground 4 5 Vdc J5 Key Lock Pin Assignment 1 5Vdc 2 Key 3 Ground 4 Keyboard Inhibit 5 Ground JP22 Heat Sink with Fan Connector Pin Assignment 1 5 Vdc 2 Ground ...

Страница 40: ...emory 512K 080000 09FFFF 512K 640K System Board Memory 128K 0A0000 0BFFFF 640K 768K Display Buffer 128K 0C0000 0DFFFF 768K 896K Adaptor ROM Shadow RAM 128K 0E0000 0EFFFF 896K 960K System ROM Shadow RAM 64K 0F0000 0FFFFF 960K 1024K System BIOS ROM Shadow RAM 64K 100000 7FFFFF 1024K 8192K System Memory 800000 FFFFFF 8192K 16318K System Memory ...

Страница 41: ...S The DRAGON EISA provides 8 EISA slots Each EISA slot has its own I O address range For example I O address 1000 1FFF belong to slot 1 I O address 2000 2FFF belong to slot 2 The following figure shows the pin numbering for I O channel connectors A side B side E side and F side ...

Страница 42: ...TECHNICAL INFORMATION __________________________________ The following figure shows the pin numbering for I O channel connectors C side D side G side and H side ...

Страница 43: ...nnel A Side I O Pin Signal Name I 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 AENx O A12 SA19 I O A13 SA18 I O A14 SA17 I O A15 SA16 I O A16 SA15 I O A17 SA14 I O A18 SA13 I O A19 SA12 I O A20 SA11 I O A21 SA10 I O A22 SA9 I O A23 SA8 I O A24 SA7 I O A25 SA6 I O ...

Страница 44: ...TECHNICAL INFORMATION __________________________________ A26 SA5 I O A27 SA4 I O A28 SA3 I O A29 SA2 I O A30 SA1 I O A31 SA0 I O ...

Страница 45: ...T DRV I B3 5 Vdc Power 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 Refresh I O B20 BCLK O B21 IRQ7 I B22 IRQ6 I B23 IRQ5 I B24 IRQ4 I B25 IRQ3 I B26 DACK2 O B27 T C O B28 BALE O ...

Страница 46: ...TECHNICAL INFORMATION __________________________________ B29 5 Vdc Power B30 OSC O B31 GND Ground ...

Страница 47: ... 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 C14 SD11 I O C15 SD12 I O C16 SD13 I O C17 SD14 I O C18 SD15 I O ...

Страница 48: ...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 DACK7 O D15 DRQ7 I D16 5 Vdc Power D17 MASTER I D18 GND Ground ...

Страница 49: ...E4 EX32 I O E5 GND Ground E6 ACCESS KEY E7 EX16 I O E8 SLBURST I E9 MSBURST I O E10 W R I O E11 GND Ground E12 RESERVED E13 RESERVED E14 RESERVED E15 GND Ground E16 ACCESS KEY E17 BE1 I O E18 LA31 I O E19 GND Ground E20 LA30 I O E21 LA28 I O E22 LA27 I O E23 LA25 I O E24 GND Ground E25 ACCESS KEY E26 LA15 I O E27 LA13 I O E28 LA12 I O ...

Страница 50: ...TECHNICAL INFORMATION __________________________________ E29 LA11 I O E30 GND Ground E31 LA9 I O ...

Страница 51: ...dc Power F4 XXXXXX F5 XXXXXX F6 ACCESS KEY F7 XXXXXX F8 XXXXXX F9 12 Vdc Power F10 M IO I O F11 LOCK O F12 RESERVED F13 GND Ground F14 RESERVED F15 BE3 I O F16 ACCESS KEY F17 BE2 I O F18 BE0 I O F19 GND Ground F20 5 Vdc Power F21 LA29 I O F22 GND Ground F23 LA26 I O F24 LA24 I O F25 ACCESS KEY F26 LA16 I O F27 LA14 I O F28 5 Vdc Power ...

Страница 52: ...TECHNICAL INFORMATION __________________________________ F29 5 Vdc Power F30 GND Ground F31 LA10 I O ...

Страница 53: ...l G Side I O Pin Signal Name I O G1 LA7 I O G2 GND Ground G3 LA4 I O G4 LA3 I O G5 GND Ground G6 ACCESS KEY G7 D17 I O G8 D19 I O G9 D20 I O G10 D22 I O G11 GND Ground G12 D25 I O G13 D26 I O G14 D28 I O G15 ACCESS KEY G16 GND Ground G17 D30 I O G18 D31 I O G19 MREQX I ...

Страница 54: ... Side I O Pin Signal Name I O H1 LA8 I O H2 LA6 I O H3 LA5 I O H4 5 Vdc Power H5 LA2 I O H6 ACCESS KEY H7 D16 I O H8 D18 I O H9 GND Ground H10 D21 I O H11 D23 I O H12 D24 I O H13 GND Ground H14 D27 I O H15 ACCESS KEY H16 D29 I O H17 5 Vdc Power H18 5 Vdc Power H19 MAKx O ...

Страница 55: ...CE 0000 001F DMA Controller 1 8237 0020 003F Interrupt Controller 1 8259 Master 0040 005F Timer 8254 0060 006F Keyboard Controller 0070 007F Real Time Clock NMI non maskable interrupt mask 0080 009F DMA Page Register 74LS612 00A0 00BF Interrupt Controller 2 8259 00C0 00DF DMA Controller 2 8237 00F0 Clear Math Coprocessor Busy 00F1 Reset Math Coprocessor 00F8 00FF Math Coprocessor Port ...

Страница 56: ... Prototype Card 0360 036F Reserved 0378 037F Parallel Printer Port 1 0380 038F SDLC bisynchronous 2 03A0 03AF Bisynchronous 1 03B0 03BF Monochrome Display and Printer Adapter 03C0 03CF Reserved 03D0 03DF Color Graphics Monitor Adapter 03F0 03F7 Diskette Controller 03F8 03FF Serial Port 1 0400 4FFF System Board 0500 07FF Alias of 100h 3FFh 0800 08FF System Board 0900 0BFF Alias of 100h 3FFh 0C00 0C...

Страница 57: ...of 100h 3FFh Note I O addresses between 1000h and FFFFh that are not identified as Alias of 100h 3FFh are reserved for slot specific addressing of expansion boards The most significant digit in the address represents the slot number indicated in the table by Slot x where x can be any value from 1 to 8 The system board I O range resides at I O address between 0000h and 0FFFh x 0 I O address between...

Страница 58: ...rigger tive or level trigger The EISA interrupt controller incorporates the functionally of two 8259 interrupt controllers There are total sixteen levels of system interrupt on the DRAGON EISA board However IRQ2 channel is used to cascade interrupts therefore only 15 levels of interrupt are available on the system board The following shows the interrupt level assignment in decreasing priority ...

Страница 59: ...0 Timer Output 0 IRQ1 Keyboard Output Buffer Full IRQ2 Interrupt from CTLR 2 IRQ8 Real time Clock Interrupt IRQ9 Software Redirected to INT 0AH IRQ2 IRQ10 Reserved IRQ11 Reserved IRQ12 Reserved IRQ13 Coprocessor IRQ14 Fixed Disk Controller IRQ15 Reserved IRQ3 Serial Port 2 IRQ4 Serial Port 1 IRQ5 Parallel Port 2 IRQ6 Diskette Controller IRQ7 Parallel Port 1 ...

Страница 60: ...TECHNICAL INFORMATION __________________________________ ...

Страница 61: ...ogrammed to provide EISA performance and addressing benefits to existing 8 and 16 bit DMA devices while maintaining full ISA compatibility Any DMA channel can be programmed for 8 16 32 bit DMA device size The function of each channel are shown below Channel Function 0 Spare 1 SDLC 2 Floppy Disk 3 Spare 4 Cascade for DMA Controller 1 5 Spare 6 Spare 7 Spare ...

Страница 62: ...r I O Address HEX DMA Channel 0 0087 DMA Channel 1 0083 DMA Channel 2 0081 DMA Channel 3 0082 DMA Channel 5 008B DMA Channel 6 0089 DMA Channel 7 008A Refresh 008F High Page Register I O Address HEX DMA Channel 0 0487 DMA Channel 1 0483 DMA Channel 2 0481 DMA Channel 3 0482 DMA Channel 5 048B DMA Channel 6 0489 DMA Channel 7 048A Refresh 048F ...

Страница 63: ...AND CMOS RAM Real time clock and CMOS RAM are contained on board Real time clock provides the system date and time CMOS RAM stores system information Both are backed up by battery and will not lose information after power off The following page shows the CMOS RAM Address Map ...

Страница 64: ...te drive type byte drives A and B 11 Reserved 12 Fixed disk type byte drives C and D 13 Reserved 14 Equipment 15 Low base memory byte 16 High base memory byte 17 Low expansion memory byte 18 High expansion memory byte 19 2D Reserved 2E 2F 2 byte CMOS checksum 30 Low expansion memory byte 31 High expansion memory byte 32 Date century byte 33 Information flags set during power on 34 3F Reserved ...

Страница 65: ... real time clock types 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 8 Month 08 9 Year 09 10 Status Register A 0A 11 Status Register B 0B 12 Status Register C 0C 13 Status Register D 0D ...

Страница 66: ...TECHNICAL INFORMATION __________________________________ THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 67: ...s functional the system BIOS will carry out a self test upon reset The test is very intensive and covers all parts of hardware It takes a while before some messages are shown on the screen It does not mean that the system is not working when the screen is blank So wait for a while after turning on the power and listen carefully to the speaker Some errors are reported by a number of beep sounds Aft...

Страница 68: ...Message 1 DRAM Refresh Failure 2 Base 64KB Memory Parity Error 3 Base 64KB Memory Failure 4 System Time Failure 5 Processor Error 6 Keyboard Controller Gate A20 Failure 7 Processor Exception Interrupt Error 8 Display Memory Read Write Error Video Adapter 9 ROM Checksum Error 10 CMOS Shutdown Register Read Write Error If no error is found during self test the system BIOS will proceed to boot from f...

Страница 69: ...d Disk D Type None Display Type VGA or EGA Serial Port s None ROM BIOS Date 07 07 90 Parallel Port s 3BC Do check the list to make sure that the configuration is correct Sometimes problems arise because of the incorrect information of the configuration For example if you forget to modify the setup after changing the floppy disk drive from one type to another it can not boot from floppy disk or may...

Страница 70: ...p procedures should be completed before operating the system Otherwise the system will not run properly with the incorrect setup information Run the setup again if the configuration is changed To enter the setup section press DEL when the following message is shown during memory test Hit DEL if you want to run SETUP Whenever the system BIOS finds that the configuration of the system is altered err...

Страница 71: ...ll 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 Configure system with Power On Default Values for Chipset and Advanced CMOS ...

Страница 72: ...01 1990 Base memory size 640 KB Time hour min sec 12 05 30 Ext memory size 7424 KB Daylight Saving Disabled Cyln Head WPcom LZone Sect Size Hard Disk C type Not Installed Hard Disk D type Not Installed Floppy Drive A 1 2 MB 5 Floppy Drive B 1 44 MB 3 Primary Display VGA or EGA Sun Mon Tue Wed ThuFri Sat Keyboard Installed 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Month Jan Feb Dec 22 2...

Страница 73: ...SYSTEM BIOS __________________________________ ...

Страница 74: ...e left and right arrow keys to move between the parameter fields and enter the parameters The parameters will be stored in the CMOS RAM and your fixed disk can be used afterwards Each hard disk can be assigned a different type 47 hard disk So two hard disks which are not included in the list can be used together in your system If the type of fixed disk is wrong it takes a while before the BIOS can...

Страница 75: ...ially handled and must be set to Not Installed Consult the fixed disk manual for details OPTION 3 FLOPPY DISK DRIVE Four types of floppy disk drives are supported 1 5 inch standard drive 360K 2 5 inch high density drive 1 2M 3 3 inch standard drive 720K 4 3 inch high density drive 1 44M ...

Страница 76: ... the drives automatically But remember to check the settings before exit OPTION 4 DISPLAY Four types of display are supported 1 CGA 80 column mode 2 CGA 40 column mode 3 EGA and VGA 4 Monochrome If the type of display is incorrect the BIOS will prompt you and ask you to set up again But the BIOS is still able to display messages on the display attached to the system Thus you can enter the setup pr...

Страница 77: ...SYSTEM BIOS __________________________________ OPTION 5 KEYBOARD If a keyboard is attached to the system select Installed The BIOS will test the keyboard during self test ...

Страница 78: ... these registers may cause the system malfunction check your settings carefully before exit There are two menu to modify the registers of the chipset ADVANCED CMOS SETUP and ADVANCED CHIPSET SETUP In ADVANCED CMOS SETUP the system BIOS allows you to modify some registers which are more likely to be changed if system configuration is modified ADVANCED CHIPSET SETUP on the other hand allow you to mo...

Страница 79: ...SYSTEM BIOS __________________________________ In ADVANCED CMOS SETUP the main menu is shown as below ...

Страница 80: ... CC00 16K Disabled Memory Test Tick Sound Enabled Adapter ROM Shadow D000 16K Disabled Hit DEL Message Display Enabled Adapter ROM Shadow D400 16K Disabled Hard Disk Type 47 RAM Area 0 300 Adapter ROM Shadow D800 16K Disabled System Boot Up Num Lock On Adapter ROM Shadow DC00 16K Disabled Floppy Drive Seek At Boot Enabled Adapter ROM Shadow E000 16K Disabled Weitek Processor Absent System ROM Shad...

Страница 81: ...SYSTEM BIOS __________________________________ ...

Страница 82: ...escription follows for each of the options on the Advanced CMOS Setup Screen If any problem in some options press the F1 Help Key Typematic Rate Programming By enabling this option the user can adjust the rate at which a keystroke is repeated The options Typematic Rate Delay and Typematic Rate also affect this rate When a key is pressed and held down the character appears on the screen and after a...

Страница 83: ...tup section Hard Disk Type 47 Data Area AMI BIOS SETUP features two user definable hard disk types Normally the data for these disk types are stored at 0 300 in lower system RAM However if a problem occurs with some software regarding hard disk try setting to DOS 1 KB 1 KB in the main memory will be allocated for hard disk type storage and the main memory is reduced to 639 KB When the system shado...

Страница 84: ...m during boots up If non fatal error has been detected and the system can still work the BIOS will display appropriate error message followed by the following message Press F1 to continue If this option is disabled BIOS will only display the appropriate error message but not the above statement for non fatal error This eliminate the need for any user intervention to a non fatal error condition ...

Страница 85: ...ow the user to mark the Weitek numeric processor WTL4167 as present or absent Floppy Drive Seek At Boot The default for this option is Enabled If disabled it allows a fast boot System Boot Up Sequence This option allow you to choose which drive the system will boot from first The default setting is A C If allows you to boot from device A if necessary However if will directly boot from hard disk wh...

Страница 86: ... function may be disabled which means that the prompt will not appear under any circumstances The password check function is enabled or disabled in Advanced CMOS Setup The password check function is enabled by choosing either Always or Setup If Always option is selected in Advanced CMOS Setup user will be prompted for the password each time the system is powered on If the Setup option is selected ...

Страница 88: ...___ You are requested to enter current password If the current password has been entered correctly the following screen will appear You may enter a password of not exceeding 6 characters in length You are required to enter the new password twice ...

Страница 90: ...d which ROM BIOS is locate at one of the Adapter ROM shadow options you may select corresponding option to shadow this ROM If there is any problem after enabling the shadow memory on the add on card it recommends to enable the shadow RAM function for system BIOS only Cacheable ROM area This option allow you to set the video BIOS system BIOS or both BIOS are cacheable The default is disabled If ROM...

Страница 91: ...SYSTEM BIOS __________________________________ 3 ADVANCE CHIPSET SETUP ...

Страница 92: ...________________________ BIOS SETUP PROGRAM ADVANCED CHIPSET SETUP C 1990 American Megatrends Inc All Rights Reserved DRAM Wait State 0 W S Non Cache Size Block 0 Disabled Non Cache Start Block 0 000000 Cacheable Region 64MB ...

Страница 93: ...ter consult your local dealer for the detail information Non cache Start and Size There is one non cacheable block that can be defined by user You need to specify the size and start address The block size may be 64 KB 128 KB 256 KB or 512 KB The start address is where the non cacheable block will start in the main memory Press PgUp or PgDn keys to change the address value to an appropriate value C...

Страница 94: ...tion with BIOS default is used to set the internal state of the system in option performance with high reliability Once the Auto Configuration is applied the user need not enter the ADVANCED CMOS SETUP You will still need to set those options in the STANDARD CMOS SETUP after the Auto Configuration is used ...

Страница 95: ...WITH POWER ON DEFAULTS The Auto configuration with Power On default is used to set the internal state of the system with worst case default values You may use this option to put the machine back to operation if the system perform erratically because of hardware problem ...

Страница 96: ...SYSTEM BIOS __________________________________ 6 CHANGE PASSWORD Please refer to sub section of Password Checking Option in the Advanced CMOS Setup for detail information ...

Страница 97: ...SYSTEM BIOS __________________________________ 7 HARD DISK UTILITY Below is the menu for Hard Disk Utility option ...

Страница 98: ... American Megatrends Inc All Rights Reserved Cylin Head WPcom LZone Sect Size MB Hard Disk C Type 47 USER TYPE 1314 7 1314 1314 17 76 Hard Disk D Type Not Installed Hard Disk Type can be changed from the STANDARD CMOS SETUP option in Main Menu Hard Disk Format Auto Interleave Media Analysis ...

Страница 99: ...the hard disk Your hard disk manual might also include the optimum interleave factor In this case assuming that you have a list of bad tracks and know the interleave factor it will not be necessary to take the auto interleave and media analysis options Simply follow the instructions in the Hard Disk Format If you have a bad track list but have not been provided with the optimum interleave factor f...

Страница 100: ...ILITY C 1990 American Megatrends Inc All Rights Reserved Cylin Head WPcom LZone Sect Size MB Hard Disk C Type 47 USER TYPE 1314 7 1314 1314 17 76 Hard Disk D Type Not Installed Hard Disk Format Disk Drive C D C Disk Drive Type 47 Interleave 1 16 3 Mark Bad Tracks Y N Proceed Y N ...

Страница 101: ...SYSTEM BIOS __________________________________ ...

Страница 102: ... value for Disk Drive is C for a C Drive or D for a D Drive If two disk drives have been previously entered at the Standard CMOS Setup Scree then the ID C D will appear to the right of the question mark following the Disk Drive field Choose which drive you wish to format by selecting the appropriate letter and pressing ENTER If only one drive was selected at the Standard CMOS Setup Screen the curs...

Страница 103: ...rked as bad in order to prevent data from being stored there The default for the Proceed prompt is N to prevent accidental formatting of the hard drive and subsequent loss of data Once this prompt is changed to Y and the ENTER key pressed andy data residing on the hard disk will be irrevocably lost Make sure that your hard disk is allowed to be formatted Some hard disks are formatted in the factor...

Страница 104: ...o Interleave Utility The Auto Interleave Utility determines the optimum interleave value by measuring the transfer rate for four different interleave values The cylinders head and sector formatted for each value will be displayed in the active box on the screen ...

Страница 105: ...TY C 1990 American Megatrends Inc All Rights Reserved Cylin Head WPcom LZone Sect Size MB Hard Disk C Type 47 USER TYPE 1314 7 1314 1314 17 76 Hard Disk D Type Not Installed Auto Interleave Bad Track Disk Drive C D C Ms Cyln Head Disk Drive Type 47 Mark Bad Tracks Y N N Proceed Y N ...

Страница 106: ...SYSTEM BIOS __________________________________ ...

Страница 107: ...alysis utility performs a series of tests to locate bad tracks on the hard disk All bad tracks on the hard disk will be listed in the Bad Track List Box Since this test writes to all cylinders and heads on the hard disk to verify any bad tacks the test may require several minutes to complete ...

Страница 108: ...PROGRAM HARD DISK UTILITY C 1990 American Megatrends Inc All Rights Reserved Cylin Head WPcom LZone Sect Size MB Hard Disk C Type 47 USER TYPE 1314 7 1314 1314 17 76 Hard Disk D Type Not Installed Media Analysis Disk Drive C D C Disk Drive Type 47 Proceed Y N ...

Страница 109: ...SYSTEM BIOS __________________________________ ...

Страница 110: ...SYSTEM BIOS __________________________________ THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 111: ... system can be designed with no DIP switch and jumpers Note that DIP switches and jumpers are still allowed on a EISA system EISA provide an unique product ID for each motherboard and add on card During power up the system BIOS on an EISA motherboard read the product ID from each device including motherboard and each add on card and compare with the product ID stored in an EISA Extended CMOS RAM a...

Страница 112: ...y AMI for some EISA product to fix into their overlay files requirements several CFG files for OCEAN products As you run the AMI ECU the following files can be recreated ISA files whenever an ISA adapter card is configured CMS files generated as a result of configuration process and store the configuration information INF files which is used by the Display Print command of the ECU to recall detail...

Страница 113: ...isk controller may be configured with ECU before it can be used Refer to your hard disk controller manual whether they include a default mode that can be used with configuration a Use a back up of you original AMI ECU floppy diskette as a working copy b Copy all CFG files to the working diskette 3 System requirements The AMI ECU is able to run in a system that having the following minimum configur...

Страница 114: ...ON OF AMI ECU The AMI ECU is a menu driven utility User may find it easy to use and master the utility without consult to a manual AMI ECU is invoked by typing CFG at DOS prompt CFG accept no parameter nor switch Main menu is the first screen that comes up to you ...

Страница 115: ...EISA CONFIGURATION __________________________________ EISA CONFIGURATION UTILITY Eval Release 1 4 C 1991 American Megatrends Inc File Configure Display Print Help Quit F1 Help Move Enter Select Esc Exit ...

Страница 116: ...EISA CONFIGURATION __________________________________ ...

Страница 117: ...guratin information from hard disk onto floppy disk Configure configure an EISA system check CFG file syntax or write configuration information to CMOS RAM Display Print display or print information switch jumper settings software statements connection statements and resource allocation about configuration saved Help about AMI ECU operation details Quit exit the AMI ECU and back to DOS prompt ...

Страница 118: ..._________________________ EISA CONFIGURATION UTILITY Eval Release 1 4 C 1991 American Megatrends Inc File Configure Display Print Help Quit Copy Backup About AMI ECU F1 Help Move Enter Select Esc Exit Copy CFG files from diskette ...

Страница 119: ...EISA CONFIGURATION __________________________________ ...

Страница 120: ...EISA CONFIGURATION __________________________________ FILE MENU Options available from File menu File copy Backup About AMI ECU They are described one by one as below ...

Страница 121: ...e to direct the ECU to copy the necessary CFG files Backup Configuration Backup configuration option store the CMS files and INF files to a floppy diskette You may restore an old configuration for example after a battery failure by choosing the Write Extended CMOS option from the configuration menu to write the content of CMS files onto the EISA extended CMOS RAM You may also use the back up optio...

Страница 122: ...____________________ CONFIGURATION OPTIONS MENU There are five option available from the Configuration Option menu Config Option Define ISA Board Option Check CFG File Write Ext CMOS Board ID Map They are described one by one as below ...

Страница 123: ...GURATION UTILITY Eval Release 1 4 C 1991 American Megatrends Inc File Configure Display Print Help Quit Configure Define ISA Board Check CFG File Write Ext CMOS Board ID Map F1 Help Move Enter Select Esc Exit Create a new configuration or modify an old configuration ...

Страница 124: ...EISA CONFIGURATION __________________________________ ...

Страница 125: ...ed in some time ago 2 Configuration Mode In automatic mode the ECU ask you a few essential questions and then perform the configuration on its own Manual mode allow you to alter the advanced features such as function choice selection resource allocation editing add board and remove board Local mode allow you to create configuration information for this computer The configuration information will b...

Страница 126: ... are two options Use default CMS name ECU look for a CMS file having same name as the motherboard Select CMS file from directory listing Enter CMS file name using keyboard After you have chosen all ranges of option in the Configure Option move the cursor to OK and then hit Enter Then the ECU will guide you to go through a series of screen to select a slot for each adapter card it can detect allow ...

Страница 127: ...apter cards ISA cards must be configured manually Manual mode allow you to edit the configuration settings for all adapter cards in the system and make sure that there is no conflict between EISA and ISA adapter cards Check CFG File Check syntacx for one or more CFG files and report for any error ...

Страница 128: ...Write Ext CMOS Write the content of a CMS file onto the EISA extended CMOS RAM This will destroy any previous configuration information that is stored in the system s CMOS RAM Board ID Map This option display a table of all EISA adpater cards in the system ...

Страница 129: ...INT MENU Display or Print configuration information such as board information switches jumpers settings software statements connection statements DMA resources IRQ resources port resources and memory resources allocations The output may be LPT1 a disk file or screen ...

Страница 130: ...EISA CONFIGURATION __________________________________ USING HELP MENU Help may access the Help function any time by hitting the F1 function key ...

Страница 131: ...EISA CONFIGURATION __________________________________ QUIT MENU Conclude the ECU utility and return to the DOS prompt ...

Страница 132: ...EISA CONFIGURATION __________________________________ THIS PAGE IS INTENTIONALLY LEFT BLANK ...

Страница 133: ...r 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 drive can also produce a lot of heat The temperature inside the computer system may be very high In order to keep the system running stably the temperature must be kept at a low level A easy way to do this is to ke...

Страница 134: ...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 clean Dust and dirt is harmful to electronic devices To prevent dust from accumulating on the mother board installing all mounting plates on the rear of the case Regularly examine your system and if necessary vacuum the interior of the system with a...

Страница 135: ...nd will not be counted by the BIOS It is also a memory failure and you can follow the instruction above CACHE MEMORY FAILURE If the system hangs after memory test it is likely that the cache memory has some problems when the secondary cache memory card is installed Maybe some of the SRAMs are damaged or the contact of the IC pins is poor Try to press the SRAM to make sure that the SRAMs are insert...

Страница 136: ...gs after memory test another possible cause is the improper setting of the wait state for memory operation The number of wait state must match the speed of the DRAM Reset the CMOS RAM and set up the wait state Try to increase the number of wait state ...

Страница 137: ...Appendix E System Board Layout _______________________________ ...

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