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OPERATION AND MAINTENANCE

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•

B-4

Preface

This

manual

covers

the

necessary

information to operate the FOX-II system board.

In-depth  explanations  of  the  functions  of  the
motherboard  are  provided.  The  table  of  contents
gives  detailed  information  about  the  arrangement
of  this  manual.  The  system  BIOS  setup  is  further
discussed  in  the  appendix.

The content in this manual is only for

reference

and

intended

provide

basic

information  for  the  general  users.  There  are  also
technical  information  provided  for  hardware  and
software  engineers.

The manual compose of

chapters, chapter

contains

brief

introduction

FOX-II

motherboard. In the chapter 2, specifications and
functions of FOX-II are discussed.

It also

outlines many advanced features of the C PU and
the system architecture. Chapter 3 deals with the

installation

coprocessor,

DRAM

modules,

jumpers

and

the

memory

configurations.

Technical information is provided in the chapter
4 .

System BIOS and the system

further described in the appendix A.
procedures are explained.

setup are

All setup

Note

FOX-II is avail able in three versions, 12MHz, 1.6MHz and
2 0MHz; which are further classified into 2 categories - with

or without memory modules.

Features and functions

described in the manual is identical for e ach version except
for their operating frequencies and memory configur ations.

Содержание FOX-II

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Страница 4: ...this manual is for information only and is subject to change without notice REVISION 4 0 I BM I BM PC XT AT PC DOS MS DOS OS 2 UNIX XENIX INTEL AMI ARE THE TRADEMARKS OR REGISTERED TRADEMARKS OF THEIR RESPECTIVE OWNERS ...

Страница 5: ...the 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 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 u...

Страница 6: ...o dust and dirt Do inspecl and clean the computer system regularly Turn off the power whenever you install or remove any connector memory module and add on card Before turning on the power make sure that all the connectors memory modules and add on cards are well secured After power is on please wait for a minute The system BIOS are going through a self test during this period and nothing is shown...

Страница 7: ...tains a brief introduction of FOX II motherboard In the chapter 2 specifications and functions of FOX II are discussed It also outlines many advanced features of the C PU and the system architecture Chapter 3 deals with the installation of coprocessor DRAM modules jumpers and the memory configurations Technical information is provided in the chapter 4 System BIOS and the system further described i...

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Страница 9: ...emory System I 0 Subsystem System Functions I I 2 I 2 I 2 3 2 6 2 8 2 10 2 10 Chapter 3 INSTAL LING COMPONENTS 3 1 Installing 80287 Math Coprocessor Installing System Memory System Memory Configuration Control of System Speed System Board Jumper Setting System Board Connectors 3 I 3 4 3 5 3 10 3 11 3 12 ...

Страница 10: ...tion System Expansion Bus APPENDIX A SYSTEM BIOS Memory Test Bypass CMOS Setup CMOS Setup Options Exiting CMOS Setup Running AMI BIOS Diagnostic 4 1 4 2 4 4 4 6 4 7 4 9 4 10 4 1 1 4 12 A 1 A 3 A 6 A 10 A 16 A 17 APPENDIX B OPERATION MAINTENANCE B 1 Anti Static Precaution Keeping the System Cool Cleaning the Golden Finger Cleaning the Motherboard B 1 B 2 B 2 B 3 APPENDIX C SYSTEM BOARD LAYOUT C 1 ...

Страница 11: ...o allow mixing of DRAM types to give end user the maximum flexibility in choosing the correct DRAM capacity for their applications This flexibility in configuration allows you to select an ideal cost performance combination FOX II is a fully PC AT compatible system board implemented with a highly integrated chip sets to provide high performance reliability and compatibility This means that virtual...

Страница 12: ...g system and expanded memory manager applications In addition the FOX II provides standard ISA expansion bus connectors so that add on cards developed for the PC AT will be fully functional On board power good generator is also implemented to ensure the reliability of the system and is capable of working with any power supplies FOX II system general business spreadsheet word presentation graphics ...

Страница 13: ...sor Speed Turbo normal speed Software hardware selectable Mem ory S ubsystem 4MB using 1M SIMMs 1MB using 256Kbx4 DRAM chips or 256K SIMMs Support memory mixing of 256K and 1M System BIOS shadow Video BIOS shadow Hardware EMS implementation 128K or 256K Eprom BIOS 0 or 1 wait state selectable 2 1 ...

Страница 14: ... System Support Functions 8 Channe DMA Direct Memory Access 16 level interrupt 3 programmable timers CMOS RAM for system configuration Real time clock with battery backup OS 2 Optimization Fast A20 gate and fast reset Other Features 2 2 On board POWERGOOD test circuit External battery connector Hardware turbo switch ...

Страница 15: ...s mode the 80286 is object code compatible with existing 8086 88 software In protected virtual address mode the 80286 is source code compatible with 8086 88 software and may require upgrading to use virtual addresses supported by the 80286 s integrated memory management and protection mechanism Both modes operate at full 80286 performance and execute a superset of the 8086 and 88 instructions The ...

Страница 16: ... consist of a 16 bit selector and offset components The selector specifies an index into a memory resident table and the 24 bit base address of the desired segment is obtained from the memory table A 16 bit offset is added to the segment base address to form the physical address The microprocessor automatically references the tables whenever a segment register is loaded with a selector Instruction...

Страница 17: ...to zero This mode of operation is compatible with the 8088 and 8086 Segments in this mode are 64KB in size and may be read written or executed An interrupt may occur if data operands or instructions attempt to wrap around the end of a segment In this mode the information contained in the segment does not use the full 64KB and the unused end of the segment may be overlay by another segment to reduc...

Страница 18: ...ed with the 80286 microprocessor the 80287 dramatically increases the processing speed of computer application software which utilize mathematical operations This makes an ideal computer workstation platform for applications such as financial modelling and spreadsheet CAD CAM or graphics It adds over seventy mnemonics to the 80286 microprocessor instruction set Specific 80287 math operations inclu...

Страница 19: ...r i b e t h e m a t h e m a t i c s c o p r o c e s s o r c o n t r o l p o r t s OFO T h e l a t c h e d Ma t h e m a t i c s C o p r o c e s s o r b u s y s i g n a l c a n b e c l e a r e d w i t h a n 8 b i t O u t c o m m a n d t o p o r t FO T h e c o p r o c e s s o r w i l l l a tc h B U SY i f i t a s s e r t s i t s e r r o r s i g n a l D a t a o u t p u t s h o u l d b e z e r o OFJ T ...

Страница 20: ... m u m f l e x i b i l i t y Ex pa n ded m e m ory pro v i d e s u s a b l e me mory b e y o n d DOS s 6 4 0 K l i m i t D O S a p p l i c a t i o n pro gra ms t h a t c o n f orm t o t h e E MS s u c h a s t h e l a t e s t vers i o n s o f 1 2 3 S y m p h o n y Fra m e w ork II S u perC a l c 3 c a n u s e e x p a n d e d m e m ory I f y o u u s e D O S a p p l i c a t i o n progra m s i t w o u...

Страница 21: ... i n s h a d o w i n g t o a b o v e I M T h e f o l l o w i n g t a b l e s h o w s t h e v a r i o u s s h a d o w i n g a n d r e l o c a t i o n c o m b i n a t i o n s Shadow Range Relocated Relocation Range Memory No shadowing AOOOO FFFFF 384K COOOO AOOOO BFFFF 128K DOOOO AOOOO CFFFF 192K EOOOO AOOOO DFFFF 256K FOOOO AOOOO EFFFF 320K COOOO CFFFF AOOOO EFFFF 256K FOOOO FFFFF DOOOO EFFFF 2 9 ...

Страница 22: ...a t 8 M Hz o r s l o w e r w h i l e m a i n t a i n i n g hig h s p e e d f o r s y s t e m ope r a t ion SYSTEM FUNCTIONS S y s t e m f u n c t i ons i n c l u d e I n t e r r u p t D M A T i m e r R e a l t i m e c l o c k C loc k a n d r e a d y g e n e r a t i o n 1 0 c h a n n e l c o n t r o l A l l s y s t e m f u n c t i o n s a r e 100 c o m p a t i b l e t o A T s t a n d a r d 1 0 c h ...

Страница 23: ... 80287 MATH COPROCESSOR T h e s p e e d r a t i n g o f 8 0 2 8 7 Ma t h c o p r o c e s s o r s h o u l d m a t c h t h a t o f t h e s y s t e m s p e e d f o r a n o p t i m u m a n d r e l i a b l e o p e r a t i o n R e f e r t o t h e t a b l e b e l o w t o d e t e r m i n e t h e c o r r e c t s p e e d r a t i n g o f t h e 8 0 28 7 I FOX II I Math Coprocessor 20M H z S y s t e m 8 0 28 7...

Страница 24: ...o t c h o n t h e s o c k e t B e f o r e y o u i n s t a l l t h e 8 0 2 8 7 v e r i f y t h a t i t s p i n s m a t c h u p w i t h t h e h o l e s i n t h e s o c k e t I f t h e y d o n t a l i g n t h e p i n s b y l a y i n g t h e 8 0 2 8 7 o n i t s s i d e o n a t a b l e a n d g e n t l y p r e s s i n g i t s t o p e d g e n o t t h e p i n s R e p e a t f o r t h e o t h e r r o w o f ...

Страница 25: ... c k w h e t h e r t h e s y s t e m BIO S c a n de t e c t t h e c o p r o c e s s o r u p o n p o w e r u p T h e s y s t e m BIOS w i ll d i s p l a y a l i s t of d e v i ce s o n t h e m o t h e r b o a r d a f t e r s e l f t e s t I f t h e c o p r o c e s s o r i s i n s t a l l e d i t s h o u l d s h o w t h e t y p e o f c o p r o c e s s o r 3 3 ...

Страница 26: ...o p t i m u m a n d r el i a ble o p e r a t i o n R e f e r t o t h e t a ble b elo w t o d e t e r m i n e t h e c o r r e ct s p e e d r a t i n g of t h e D R A M 3 4 I FOX II I System DRAM I 20 M H z S y s t e m 60 n s 1 6 M H z S y s t e m 8 0 n s 1 2 M H z S y s t e m 1 00 n s Only selected brand can be used Please contact the dealer about the det ailed information ...

Страница 27: ... e n o t e t hat h o w e v e r you can n o t i n s tal l b o t h m e m o r y t y p e s mar k e d w i t h t h e sam e ban k r e f e r e n c e F o r e x a m p l e i f y o u h a d al r e a d y i n s t a l l e d DIP m e m o r y i n t o B A N K 0 y o u can n o l o n g e r i n s t a l l SIMM i n t o t h e SIMM s o c k e t r e f e r e n c e d a s B A N K 0 O n e ban k o f m e m o r y r e f e r s t o a s ...

Страница 28: ... are s e v eral c o m b i nat i o n s o f D R A M t y pe s y o u may c o n s i d er So a bas i c s y s t e m can b e equ i p p e d w i t h f e w er m e m ory a n d later m ore m e m or y can b e i n s tal l e d w h e n u pgrad i ng t h e s y s t e m As a t y p i cal case a bas i c s y s t e m can b e equi p p e d w i t h 5 1 2 Kb y t e m e m ory u s i ng 25 6 K DIP D R AM an d t h e n m e m ory s ...

Страница 29: ... i l a b l e f o r e a c h p o s s i b l e m e m o r y m a p Mem ory Configuration I Bank 0 I Ban k 1 I T tal Mem ory I 25 6K 5 1 2K 25 6K 64 K 64 0 K 25 6 K 25 6K 1 M 25 6K 1 M 2 5 M 1 M 2M I 1 M 1 M 4 M This is a special case where memory relocation i s available the 384K of memory between 640K and 1M can be remapped between 1M and 1 384M as extended memory or can be used for EMS and Shadow RAM ...

Страница 30: ... k e t s c o n t a c t a n d t h e n t h e m o d u l e i s p i v o t e d i n t o p o s i t i o n w h e r e t h e l o c k i ng l a tc h e s w i l l s e c u r e i t I f t h e m od u l e e dge i s n o t c o m p l e t e l y i n s e r t e d i n t o t h e s o c k e t i t c a n n o t b e p i v o t e d t o b e i n v e r t i ca l p o s i t i o n a n d s h ou l d b e d r agge d o u t a n d i n s e r t e d a...

Страница 31: ...INSTALLING COMPONENTS I13EEEIIIII BANI 0 BAN 1 R A M Module Orientation 3 9 ...

Страница 32: ... o n t panel s w i tch y o u can a l s o chan g e t h e s y s t e m s pe e d v ia k e y bo a r d P r e s s C t r l Al t a n d f o r tur b o m o d e a n d C t r l Al t an d f o r n o r mal m o d e I n e i t h e r ca se t h e t u r b o L ED w i l l l i g h t u p t o i n d ica t e w h e t h e r t h e s y s t e m i s n o w r u n n i ng i n t u r b o m o d e o r n o r m a l m o d e I n t u r bo mod e t...

Страница 33: ...t h e d e s i r e d s y s t e m c o n f igura t i o n T h e f o l l o w i n g t abl e s s h o w t h e f u n c t i o n a n d d e f a u l t s e t t i ngs o f t h e s e ju m p ers ROM Size I JP I ll u u ROM S ize I I I 2 II 27 25 6 I 2 3 27 1 28 Display Selection I JP 3 I 1 2 i 2 3 Note factory setting M o n o c h ro m e d i s p l a y CG A E G A or V G A 3 11 ...

Страница 34: ...tor I Function P I Hardware reset con nector P2 Speaker connector P3 Turbo switch con nector P4 Turbo LED connector P5 Power LED Ext lock connector P6 P 7 Power supply con nector P8 External battery connector K B l Keyboard connector P i n as s ign m e n t s o f the c o n n e c t ors are i l l u s trat e d as f o l l o w s P 1 Hardware Reset Connector I P i n I A s s i gn m e n t 1 S e l e c t i o...

Страница 35: ...n I A s s i g n m e n t 1 Da t a o u t 2 5 V d c 3 Gro u n d 4 5 V d c P 3 Turbo Switch Connector I P i n I A ss i g n m e n t 1 S e l ect i on P i n 2 G r o u n d P 4 Turbo LED Connector I P i n I A s s i g n m e n t 1 5 V d c 2 L E D s i g n a l 3 13 ...

Страница 36: ... y 3 G r o u n d 4 K e y b o a r d i n h i b i t 5 G r o u n d P6 P7 Power Supply Connector I P i n I As s ign m e n t 1 P O WE R G O O D 2 5 V dc 3 1 2 V d e 4 1 2 V d e 5 G r o u n d 6 G r o u n d I P i n I As s ign m e n t 1 G r o u n d 2 G r o u n d 3 5 V d e 4 5 V dc 5 5 V dc 6 5 V dc 3 14 I ...

Страница 37: ...ery Connector I P i n I A s s i g n m e n t 1 V d c 2 n o t u se d 3 G r o u n d 4 G r o u n d KB 1 Keyboard Connector I P i n I A s s i g n m e n t 1 K e y bo a r d c l o c k 2 K e y bo a r d d a t a 3 S p a r e 4 G r o u n d 5 5 V d c 3 15 ...

Страница 38: ...INSTALLING COMPONENTS THIS PAGE IS INTENT IONA L LY LEFT BLAN K 3 16 ...

Страница 39: ...I MEMORY MAPPING I Address II R a n ge II Function I 000000 OOOK 5 1 2K System Boa rd Memory 7FFFFF 5 1 2K 080000 5 1 2K 640K System Board Memory 09FFFF 1 28K OAOOOO 640K 768K Display Buffer 1 28 K OBFFFF OCOOOO 768K 896K Adaptor ROM I ODFFFF Shadow R A M 1 28 K 0 0000 896K 960K System R O M I OEFFFF Shadow R A M 64 K OFOOOO 960K 1 024K System BIOS R OM I OFFFFF Shadow RAM 64K 1 00000 1 024K 4096K...

Страница 40: ...HEX 000 0 I F DMA Controller 1 8237 020 03 F I nterrupt Controller 1 8259 Ma ster 040 05F T i mer 8254 060 06F Keyboard Controll e r 070 07F Real Time Clock NMI non maska ble interru pt mask 080 09F DMA Page Register 74LS6 1 2 OAO OBF I n terrupt Controller 2 8259 OCO ODF DMA Con troller 2 8237 OFO Clear Ma th Coprocessor Busy OF I Reset Math Coprocessor II OF8 0FF Math Coprocessor Port 4 2 ...

Страница 41: ...1 F 360 36F 378 37F 380 38F 3A0 3A F 3B0 3BF 3C0 3CF 3D0 3DF 3F0 3F7 3F8 3FF I DE V I CE _j Fixed Disk Game I 0 Pa ra llel Printe r Port 2 Seria l Port 2 Protot ype Card Reserved Para l lel Printer Port I SDLC bisynchronous 2 Bisynchronous I Monoch rome Display and P r i n ter Adapter Reserved Color Graph ics Mon i tor Ada pter Diskette Con troller Serial Port l 4 3 ...

Страница 42: ... d t h e y a r e d e f i n e d a s c h a n n e l s 0 t h r o u g h 2 I I 4 4 C h a n n e l 0 II G a t e 0 C l k i n 0 C l k o u t 0 C h a n n e l I I G a t e C l k i n 1 C l k o u t 1 S y s t e m T i m e r I T i ed o n 1 1 9 0 M h z O S C 8 25 9 I R Q 0 R e f r e s h R e q u e s t G e n e r a t o r T i e d o n 1 1 9 0 M h z O S C R e q u e s t R e f r e s h C y c l e ...

Страница 43: ... v e t h e s p e a k e r Note Channel 1 is programmed to generate a 15 micro second period signal T h e 8 254 T i m e r C o u n t e r s a r e t r e a t e d b y s y s t e m p r o g r a ms a s a n a r r a n g e m e n t o f f o u r p r o g r a m m a b l e e x t e r n a l I 0 p o r t s T h r e e a r e t r e a t e d a s c o u n t e r s a n d t h e f o u r t h i s a c o n t r o l r e g i s t e r f o r m...

Страница 44: ...R Q 2 I R Q 3 I R Q4 I R Q5 I R Q6 I RQ7 4 6 CTLR 2 I I R Q8 I R Q9 L_____j I R Q I 0 I R Q I I I R Q I 2 I R Q I 3 I R Q I 4 I R Q I S l__ Function P a r i t y or 1 0 C h a n n e l Check T i mer Output 0 K e y board Output B u f fer F u l l I n t e r r u p t from CTLR 2 R e a l t i m e Clock I n terrupt Sof t w a r e R e d i rected to I N T O A H I RQ2 Reserved Reserved Reserved Coprocessor F i x...

Страница 45: ... n c t i o n 0 S p a r e 8 b i t t r a n s f e r 1 S D L C 8 b i t t r a n s f e r I 2 F l o p p y D i s k 8 b i t t r a n s f e r 3 S p a r e 8 b i t t r a n s fe r 4 C a s c a d e for D M A C o n t r o l l e r I 5 S p a r e 1 6 b i t t r a n s f e r 6 S p a r e 1 6 b i t t r a n s f e r 7 S p a r e 1 6 b i t t r a n s f e r _I 4 7 ...

Страница 46: ...r e g i s t e r I P a g e R e g i s te r I I 0 A d d r e s s H E X D M A C h a n n e l 0 0 0 8 7 D M A C h a n n e l I 0 0 8 3 D M A C h a n n e l 2 0 0 8 1 D M A C h a n n e l 3 0 0 8 2 D M A C h a n n e l 5 0 0 8 B D M A C h a n n e l 6 0 0 8 9 D M A C h a n n e l 7 0 0 8 A R e f r e s h 0 0 8 F 4 8 ...

Страница 47: ...d c o n f i g u r a t i o n i n t o t h e s y s t e m s o t h a t t h e s y s t e m c a n f u n c t i o n i n t h e r i g h t t r a c k w i t h t h e e q u i p pe d d e v i c e s H o w e v e r i f y o u h a v e n t c o n f i g u r e d t h e CMOS o r t h e b a t t e r y w h i c h s u p p o r t s t h e p o w e r t o t h e C M O S i s w e a k e n y o u n e e d t o r e d e f i n e t h e n e c e s s a ...

Страница 48: ...pe byte dri ves A a nd B R eserved Fixed disk type byte dri ves C and D Reserved Equipment byte Low base memory byte H i g h base memory byte Low expansion memory byte H igh expansion memory byte Reserved 2 byte CMOS checksum Low expansion memory byte H i gh expansion memory byte Date century byte I n forma tion flags set d u ring power on Reserved These bytes are not included in the checksum calc...

Страница 49: ...I Byte I Function Add ress 0 S e co n d s 0 0 1 Seco n d a l a r m 0 1 2 M i n u t e s 0 2 3 Mi n u t e a l a r m 0 3 4 H o u r s 0 4 5 H o u r a l a r m 05 6 D a y o f w e e k 0 6 7 D a t e o f mo n t h 0 7 8 Mo n t h 0 8 9 Y e a r 0 9 1 0 S t a t u s R egi s t e r A OA 1 1 S t a t u s R egi s t e r B O B 1 2 S t a t u s R egi s t e r C o c 1 3 S t a t u s R egi s t e r D O D 4 11 ...

Страница 50: ...6 bi t an d t w o are 8 bi t e x pan s i o n s l o t T h e 1 0 c h a n n e l s u p p orts 1 0 ad dres s s pac e from h e x 1 00 t o h e x 3 F F S e l e c t i o n o f d a t a a c c e s s e i t h e r 8 or 1 6 b i t 24 bi t m e m ory a d d re s s e s 1 6 M B In t erru p t s DMA c h an n e l s M e m ory re fre s h s i g n a l 4 12 0 ...

Страница 51: ...TECHNICALINFORMATI0N The fo l l o w i ng f igure sho w s the p i n n u m b er i n g for 1 0 chan n e l c o n n e c t ors J A 1 J A 6 I REAR PANEL 81 A1 810 A10 820 A20 0 831 A31 COMPONENT SIDE 4 13 ...

Страница 52: ...TECHNICAL INFORMATION T h e f o l l o w i ng f igure s h o w s t h e p i n n u mber i ng for 1 0 c h a n n e l c o n n e c t ors JB I JB 3 JB5 JB 6 REAR PANEL 01 C1 010 C10 018 C18 COMPONENT SIDE 4 14 0 ...

Страница 53: ...I 1 0 I AI 1 0 CH CK I A2 S07 1 0 A3 S06 1 0 A4 S05 1 0 AS S04 1 0 A6 S03 1 0 A7 S02 1 0 AS SOl 1 0 A9 SOO 1 0 AIO 1 0 CH ROY I All AEN 0 A12 SA19 1 0 A13 SA18 1 0 A14 SA17 1 0 A15 SA16 1 0 Al6 SA15 1 0 Al7 SA14 1 0 Al8 SA13 1 0 Al9 SA12 1 0 A20 SAil 1 0 A21 SAlO 1 0 A22 SA9 1 0 A23 SA8 1 0 A24 SA7 1 0 A25 SA6 1 0 A26 SA5 1 0 A27 SA4 1 0 A28 SA3 1 0 A29 SA2 1 0 A30 SAl 1 0 A31 SAO 1 0 4 15 ...

Страница 54: ... Vdc Power B6 DRQ2 I B7 12 Vdc Power BB OWS I B9 12 Vdc Power B10 GND Ground Bll SMEMW 0 B12 SMEMR 0 B13 lOW I 0 814 lOR I 0 B15 DACK3 I B16 DRQ3 0 B17 DACK1 I B18 DRQ1 0 B19 Refresh I 0 B20 CLK 0 B21 IRQ7 I B22 IRQ6 I B23 IRQ5 I B24 IRQ4 I B25 IRQ3 I B26 DACK2 0 i B27 T C 0 B28 BALE 0 B29 5 Vdc Power B30 osc 0 B31 GND Ground 4 16 ...

Страница 55: ...HE C2 LA23 C3 LA22 C4 LA21 C5 LA20 C6 LA19 C7 LA18 C8 LA17 C9 MEMR ClO MEMW Cll SD8 C12 SD9 C13 SOlO C14 SDll C15 SD12 C16 SD13 C17 SD14 C18 SD15 TECHNICALINFORMATION I 1 0 I 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 4 17 ...

Страница 56: ...Pin I Signal Name I 1 0 Dl MEM CS16 I D2 1 0 CS16 I D3 IRQ10 I D4 IRQll I DS IRQ12 I D6 IRQ15 I D7 IRQ14 I DB DACKO 0 D9 DRQO I D10 DACK5 0 Dll DRQ5 I D12 DACK6 0 D13 DRQ6 I D14 DACK7 0 D15 DRQ7 I D16 5 Vdc Power D17 MASTER I D18 GND Ground 4 18 I t ...

Страница 57: ...t erru p t s o f t h e 8 0 286 m i cro proc e s s or Eac h B I O S e n try p o i n t i s avai lab l e t h ro ugh i t s o w n i n t e rr u p t U p o n y o u t urn o n t h e p o w er o f y o ur F O X II s y s t e m t h e s y s t e m w i l l go t h ro ugh a s e l f t e s t ro u t i n e w h i ch c h e c k s a l l o f i t s i n t ernal d e v i c e s C o m p l e t e t e s t i ngs w i l l b e carri e d o...

Страница 58: ... scr e e n i n t e r a c t i v e equi p m e n t a n d mach i n e co n f i gurat i o n s e tup It can be run af t e r t h e s y s t e m h a s b e e n t u r n e d o n a n d t h e m e m o r y t e s t i s f i n i s h e d o r h a s b e e n e s ca p e d T h e S E T U P p r o g r a m i s bui l t i n y ou d o n o t n e e d a d i s k e t t e t o u s e i t I f y o u r F O X II i s a l r e a d y i n s t a l ...

Страница 59: ...RY te_st It i s r e c o m m e n d e d t o c o m ple t e t h e m e m o r y t e s t T h e t o t al m e m o r y s i ze i s d i s pla y e d a f t e r t h e m e m o r y t e s t I n c a s e o f s e rio u s e r r o r s t h e B I O S will s u s p e n d t h e t e s t If t h e d i s p l a y i s n o t i n i t i a li z e d t h e BIO S w i ll r e p o r t t h e e r r o r t h r o u g h a s e q u e n c e o f b e ...

Страница 60: ... M BIO S C h e c k s u m F a i l u r e I f n o e r r o r i s f o u n d d u r i n g s e l f t e s t t h e s y s t e m BIOS w i l l p r o c e e d t o b o o t f r o m f l o p p y d i s k o r h a r d d i s k T h e s y s t e m B I O S w i l l l i s t t h e s y s t e m c o n f i g u r a t i o n o n t h e s c r e e n s i m i l a r t o b e l o w System Configuration C Copyright 1985 1990 American Megatren...

Страница 61: ... h e co n f i g u r a t i o n F o r e x a m p l e i f y o u f o r g e t t o m o d i f y t h e s e t u p a f t e r c h a n g i n g t h e f l o p p y d i s k dr i v e f r o m o n e t y p e t o a n o t h e r i t c a n n o t b o o t f r o m f l o p p y d i s k o r m a y n o t w o r k p r o p e r l y I f y o u c h e c k t h e l i s t y o u ca n f i g u r e o u t t h e c a u s e o f t h e p r o b l e m ...

Страница 62: ... t u r n o n t h e s y s t e m I f i t d i s a p p e a r s b e f o r e y o u h a v e a c h a n e e t o r e s p o n d t u r n t h e s y s t e m o f f a n d o n a g a i n o r r e s e t t h e s y s t e m a n d t h e m e s s a g e w ill r e a p p e a r T h e i n i t i a l s c r e e n p r o m p t w i l l b e s i m i l a r t o Press DEL key if you want to run SETUP or DIAGS H i t D E L k e y t o g e t i...

Страница 63: ...ze 640 KB Time hour min sec 12 05 30 Ext memory size 0 KB Floppy Drive A 1 2 MB 5V Numeric Processor None Floppy Drive B 1 44 MB 3 12 Cyln Head WPcom LZone Sect Size Hard Disk C type Not Installed Hard Disk D type Not Installed Primary Display VGA or EGA Keyboard Installed Sun Mon Tue Wed Thu Fri Sat Video BIOS shadow Enabled Scratch RAM option 1 1 2 3 4 5 6 7 Main BIOS shadow Enabled Fast I 0 BUS...

Страница 64: ...p l a y t y p e t h e f l o p p y d r i v e i n s t a l l e d a n d t h e h a r d d i s k dr i v e t y p e i f i n s t a l l e d T h e S E T U P p r o g r a m w i l l a u t o m a t i ca l l y d e t e r m i n e s y o u r c o m p u t e r s m e m o r y c o n f i g u r a t i o n a n d d i s p l a ys i t o n the S E T U P m e n u A 8 ...

Страница 65: ... f u s er s e t t i n g s d o n o t a l l o w s y s t e m t o s t art u p w h i c h h a p p e n s i f i n c orrec t se t t i n g s w ere m a d e t h e f o l l o w i n g s t e p s s h o u l d be t a k e n a T urn o f f t h e c o m p u t er b H o l d I N S k e y d o w n c Turn o n t h e c o m p u t er d Wh e n m e m ory t e s t b e g i n s rel e a s e INS key T h e a b o v e pro c e d ure w i l l c ...

Страница 66: ...IVE F o u r t y p e s o f f l o p p y d i s k d r i v e s s u p p o r t e d I 5 v i n c h s t a n d a rd d r i v e 3 6 0 K 2 5 v i n c h h i g h d e n s i t y d r i v e 1 2 M 3 3 v i n c h s t a n d a rd d r i v e 7 2 0 K 4 3 v i n c h h i g h d e n s i t y d r i v e 1 44 M a r e T h e s y s t e m B I O S sup p o r t s t w o f l o p p y d i s k d r i v e s a n d t h e y a r e r e c o g n i z e d a...

Страница 67: ...ur fixed disk is not included in the hard disk list define a new type as type 47 Use 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 ...

Страница 68: ...ly handled and must be set to Not Installed Consult the fixed disk manual for details OPTION 4 DISPLAY Four types of display are supported I 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...

Страница 69: ... display card there is no need to shadow the Video BIOS However if you arc using VGA or EGA card where there s video ROM video accesses will be improved if video BIOS shadow is enabled You will not be able to enable this option if you have less than 1MB of system memory a Disabled b Enabled OPTION 7 SCRATCH RAM The BIOS may require memory storage for certain functions and the storage can be alloca...

Страница 70: ... efficient system The Main BIOS will be shadow at FOOOOh You cannot enable this option if your system memory is less than I MB a Disabled b Enabled OPTION 9 Fast I 0 BUS speed This option provides a way to speed up the 1 0 operation however care should be exercised in setting this option Make sure that the peripheral cards are capable of operating at high speed before making changes otherwise prob...

Страница 71: ...state memory access and improve the system performance significantly In that way it is up to the user to determine the desired cost performance effective system a Enabled b Disabled OPTION 11 MEMORY RELOCATION If your system memory is I MByte enable this feature In that case you can remap the 384KB memory so that the memory which is neither used as EMS nor shadow RAM can be used as extended memory...

Страница 72: ...essage will then appear Write data into CMOS and exit Y N Press Y to update the data and exit the SETUP program The computer now performs a cold boot equivalent to turning the power off and back on again performs the memory test and then tries to boot from the disk drive If your hard disk has not yet been initialized be sure that you have a bootable DOS diskette in the A drive A 16 I ...

Страница 73: ... Enter A diagnostic menu will soon appear on the screen The AMI Diagnostics provides an easy to operate screen menu allowing inexperienced users to operate the program Simply press Left or Right and Up or Down keys to move the highlight bar the option desired The diagnostics program performs specialized tests on each of the following when instructed Hard disk drive s Floppy disk drive s Keyboard V...

Страница 74: ...program They are Hard Disk Floppy disk Keyboard Video and Misc Each device option in the diagnostics option line has its own test option window which is displayed when the particular device is highlighted Diagnostics Option Window Below the diagnostics option line the diagnostics option menu for that option is displayed The Help Window in Reverse Video specifying usage of keys The bottom line with...

Страница 75: ...ing or removing any add on card DRAM module or coprocessor care should be taken when handling these devices Touch an unpaint metal part of your system unit for example the screws on the rear of the system unit with one hand then hold the component you are installing on the other hand This will place your body the component and the system unit at the same ground potential preventing an accidental s...

Страница 76: ...ter are open and that air circulation is good Check the clearance at the back of the computer the power supply contains a fan to blow air out of the case make sure the fan is not blocked by cables or papers Don t push your computer flush against the wall leave it some breathing space Heat can destroy computer chips C LEANING THE GO LDEN FINGER Whenever inserting an add on card to the motherboard m...

Страница 77: ...e cover off your computer and vacuum the interior to remove accumulated dust Use a brush attachment on the vacuum and carefully go over all exposed parts 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 miniature vacuum B 3 ...

Страница 78: ...OPERATION AND MAINTENANCE THIS PAGE IS INTENTIONALLY LEFT BLANK B 4 ...

Страница 79: ... o Q l El 41t o OCTEK HTI2 D APPENDIX C SYSTEM BOARD LAYOUT FOX n 286 r MHII p 27256 L I BANK l g G 44256 1 44256 1 BANK 0 f 44256 1 f 44256 1 JP3 I p J f I f I BANK l FOX II 286 Motherboard Rev 3 4 P6 D C 1 ...

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