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Octek FOX-II User Manual

12mhz/16mhz/20mhz
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Summary of Contents for Octek FOX-II

  • Page 4 The material in 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, TRADEMARKS REGISTERED TRADEMARKS OF THEIR RESPECTIVE OWNERS.
  • Page 5 RADIO FREQUENCY INTERFERENCE STATEMENT generates uses radio This equipment and if not installed and used frequency energy in strict accordance with the properly, that is, cause instructions, manufacturer's radio and television reception. interference with If this equipment does cause interference to radio reception, which determined...
  • Page 7 A. All setup procedures are explained. Note FOX-II is avail able in three versions, 12MHz, 1.6MHz and 2 0MHz; which are further classified into 2 categories - with and functi o ns or without memory modules.

  • Page 9: Table Of Contents

    CONTENT Chapter INTRO DUCTION I - I Chapter GENERA L FEATURES Specification 2- I Processor Math Coprocessor 2 -6 Memory System I/0 Subsystem 2-10 System Functions 2-10 Chapter 3- 1 INSTA L LING COMPONENTS Installing 80287 Math Coprocessor 3- I Installing System Memory 3- 4 System Memory Configuration...
  • Page 10 Chapter 4 T ECHNICAL INFORMATION 4- 1 Memory Mapping 1/0 Address Map System Timers 4- 4 System Interrupts 4- 6 Direct Memory Access (DMA) Real Time Clock and CMOS RAM 4- 9 CMOS RAM Address Map 4-10 Real Time Clock Information 4-1 1 System Expansion Bus 4-12...
  • Page 11 CHAPTER I N TRO DUCTION The FOX-II system board is a cost-effective, mid-range performance system board that designed for PC/AT compatible application. offers increased power flexibility architecture by supporting 80286 processor speeds up to 20 MHz. (See NOTE PREFACE) For the memory system, it is configurable from 256K to 4 MByte of DRAMs on the system board with true "0"...
  • Page 12 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.

  • Page 13: Chapter Genera L Featuresi

    CHAPTER GEN ERA L FEATURES S PECIFICATIO N Processor S ubsystem 80286 CPU Optional 80287 co-processor S peed : 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...
  • Page 14 GENERAL FEATURES S u bsys tern : Compatible to standard AT bus Four 16-bit expansion slots Two 8-bit expansion slots System S upport 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...

  • Page 15: Processor

    GENERAL FEATURES PROCESSOR The 80286 is an advanced, high-performance microprocessor with specially optimized capabilities for multiple user and mul ti-tasking systems. 80286 built-in memory protection that supports operating system and task isolation as well as program and data privacy within tasks.
  • Page 16 GENERAL FEATURES Virtual A d d ress M o d e virtual address mode provides !-gigabyte virtual address space mapped onto a 16 megabyte physical address space. Virtual address space is l arger than physical address space, and the use of a virtual address that does not map to a physical address l ocation will cause a restartable interrupt.

  • Page 18: Math Coprocessor

    GENERAL FEATURES MATH COPROCESSOR 8028 7 Math Coprocessor enables FOX-II system to perform high-speed arithmetic, logarithmic functions, trigonometric operations with extreme accuracy. The coprocessor works in parallel with the microprocessor. The parallel operation decrease operating time by allowing the coprocessor to do...
  • Page 19 GENERAL FEATURES O P c o d e s a n d o p e r a n d s t h r o u g h t h e s e I / 0 p o r t s . T h e m i c r o p r o c e s s o r a l s o r e c e i v e s a n d s t o r e s r e s u l t s t h r o u g h t h e s a m e I / 0 p o r t s .
  • Page 21 GENERAL FEATURES m e m o r y i s i n s t a l l e d , i t a l s o s u p p o r t r e l o c a t i o n o f m e m o r y f r o m a d d r e s s A O O O O...

  • Page 22: System Functions

    A T bus c a n be u s e d i n FOX-II w i t h o u t p r o b l e m .

  • Page 23: Installing Components

    8 0 2 8 7 . FOX-II Math Coprocessor...
  • Page 24 INSTALLING COMPONENTS Y o u r c o m p u t e r c a n d a m a g e d b y s t a t i c d i s c h a r g e . Y o u ' r e l e s s l i k e l y t o d i s c h a r g e s t a t i c e l e c t r i c i t y i f y o u g r o u n d y o u r s e l f b y t o u c h i n g t h e m e t a l...
  • Page 25 INSTALLING COMPONENTS I l l u s t r a t i o n a r e g i v e n b e l o w . 80287 Notch 80287 SOCKET C h e c k w h e t h e r t h e s y s t e m BIO S c a n d e 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 .

  • Page 26: Installing System Memory

    D R A M. FOX-II System DRAM...

  • Page 27: System Memory Configuration

    INSTALLING COMPONENTS SYSTEM MEMORY CON FIGURATION F O X - II o f f e r s f l e x i b l e m e m o r y c o n f i gu r a t i o n . T h e r e a r e m e m o r y...
  • Page 28 INSTALLING COMPONENTS Dip Mem ory Config uration Mem ory Bank Memory Location BANK 0 U 22, U23, U 27, U 28 4425 6 U 1 8, U 1 9 ( pari t y ) 4 1 25 6 B ANK 1 U 24 , U25, U 29, U 3 0 4425 6 /4464* U 20, U 2 1 ( pari t y )
  • Page 29 INSTALLING COMPONENTS T h e d i f f e r e n t c o n f i g u r a t i o n s o f m e m o r y i s i l l u s t r a t e d o n t h e f o l l o w i ng t a b l e . I t s h o w s t h e m e m o r y c o n f i g u r a t i o n a v a 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 .
  • Page 30 INSTALLING COMPONENTS Installing SIMM Modules W h e n e v e r a d d i n g m e m o r y m o d u l e s t h e m o t h e r b o a r d , i n s t a l l 2 m o d u l e s a t a t i m e. A l s o m a k e s u r e...
  • Page 31 INSTALLING COMPONENTS BANI\ 0 BAN" R A M Mod ule O r i e n t a t i o n...

  • Page 32: Control Of System Speed

    INSTALLING COMPONENTS CONTROL OF SYSTEM SPEED S y s t e m S p e e d ca n b e s e l ect e d b y h a r d w a r e s w i tc h a n d k e y b o a r d .

  • Page 33: System Board Jumper Setting

    INSTALLING COMPONENTS SYSTEM BOARD JUMPER SETTING T h e r e a r e s e v e r a l ju m p e rs t h e m o t h e rbo a r d t h a t a l l o w t h e u s e r...

  • Page 34: System Board Connectors

    INSTALLING COMPONENTS SYSTEM BOARD CONNECTORS U n d e r t y p i ca l c o n d i t i o n s, t he s e c o n n e c t o rs s ho u l d b e c o n n e c t e d to the i n d i ca t o r s a n d s w i t c he s o f t he s y s t e m u n i t .
  • Page 35 INSTALLING COMPONENTS Speaker Connector P i n A s s i g n m e n t Da t a o u t +5 V d c Gro u n d +5 V d c Turbo Switch Connector P i n A s s i g n m e n t S e l ec t i on P i n G r o u n d...
  • Page 36 INSTALLING COMPONENTS Power L ED & E x t - L ock Connector P i n As s i g n m e n t +5 V d c K e y G r o u n d K e y b o a r d i n h i b i t G r o u n d P 6 .
  • Page 37 INSTALLING COMPONENTS Ext ernal Bat t ery Conne c t or P i n A s s i g n m e n t + V d c n o t u s e d G r o u n d G r o u n d K B 1 Keyboard Connect or...
  • Page 38 INSTALLING COMPONENTS THIS PAG E IS INTENT I ONA L LY LE FT B L A N K 3-16...

  • Page 39: T Echnical Information

    C H A P T E R TECHNI CA L I N FO R MATION T h i s s e c t i o n p r o v i d e s t e c h n i c a l i n f o r m a t i o n a b o u t F O X -II a n d i s i n t e n d e d f o r a d v a n c e d u s e r s i n t e r e s t e d t h e b a s i c d e s i g n a n d o p e r a t i o n o f...
  • Page 40 TECHNICAL INFORMATION 1 / 0 A D DRESS MAP / 0 Address Map on Syste m Board 1 / 0 a d d r e s s h e x 0 0 0 t o O F F a r e r e s e r v e d f o r t h e s y s t e m b o a r d 1 / 0 .
  • Page 41 TECHNICAL INFORMATION 1 / 0 a d d r e s s h e x 1 0 0 t o 3 F F a r e a v a i l a b l e o n t h e I / 0 c h a n n e l . A D D R ES S DE V I C E ( H E X )

  • Page 42: System Timers

    TECHNICAL INFORMATION SYSTEM TI MERS F O X -II h a s t h r e e p r o g r a m m a b l e t i m e r / c o u n t e r s w h i c h a r e b u i l d - i n t h e c h i p s e t a n 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 :...
  • Page 43 TECHNICAL INFO RMA TI C h a n n e l 2 T o n e G e n e r a t i o n o f S p e a k e r G a t e 2 C o n t r o l l e d b y b i t 0 o f p o r t h e x 6 1 P PI b i t �...

  • Page 44: System Interrupts

    TECHNIC A L INFORMATION SYSTEM INTERRUPTS S i x t e e n l e v e l s s y s t e m i n t e r r u p t s a r e p r o v i d e d F O X - I I .

  • Page 45: Direct Memory Access (Dma)

    TECHNICAL INF 0 RMA TIO N DIR E CT MEMORY A C C E S S ( D MA ) F O X - I I s u p p o r t s s e v e n D M A c h a n n e l s . C h a n n e l F u n c t i o n �...
  • Page 46 TECHNICAL INFORMATION T h e f o l l o w i n g s h o w s t h e a d d r e s s e s f o r t h e p a g e r e g i s t e r . •...

  • Page 47: Real Time Clock And Cmos Ram

    TECHNICAL INFORMA TION REAL TIME CLOC K AND CMOS RAM T h e C M O S R A M C h i p ( 1 4 6 8 1 8 ) c o n t a i n s t h e r e a l - t i m e c l o c k a n d 64 b y t e s o f C M O S R A M , i t "...

  • Page 48: Cmos Ram Address Map

    TECHNICAL INFORMATION CMOS RAM A D DRESS M A P A d d resses Desc r i p t i o n I> 00-0D * R e a l - t i m e c l o c k i n fo r m a t i o n * D i a gn o s t i c s t a t u s b y t e * S h u td o w n s t a t u s b y te D i s k e t t e d r i v e t y pe b y t e...

  • Page 49: Real Time Clock Information 4-1

    TECHNICAL INFORMATION REA L TI ME C L O C K I N FORMATIO N T h e f o l l o w i n g t a b l e d e scr i b e s r e a l - t i m e cl o c k b y t e s a n d s p ec i f i e s t h e i r a d d r e s s e s .

  • Page 50: System Expansion Bus

    TECHNICAL INFORMATION SYSTEM EXPANSION BUS F O X - I I p ro v i d e s s i x e x p a n s i o n s l o t s, f o u r o f w h i c h are 1 6 -b i t a n d t w o a r e 8 -b i t e x pan s i o n s l o t .
  • Page 51 TECHNICAL INFO RMA TI 0 N T he fo l l o w i n g f i g u r e s ho w s p i n n u m b er i n g for 1 /0 c ha n n e l c o n n e c t o rs J A 1 - J A 6 . REAR PANEL COMPONENT SIDE 4 - 13...
  • Page 52 TECHNICAL INFORMATION T h e f o l l o w i n g f i g u r e s h o w s t h e p i n n u mber i n g f o r 1 /0 c h a n n e l c o n n e c t o rs J B I ,JB 3,JB5 &...
  • Page 53 TECHNICAL INFORMATION T h e f o l l o w i n g t a b l e s s u m m a r i ze p i n as s i g n m e n t s f o r t h e I / 0 c h a n n e l co n n e ct o r s . I /0 Channel (A-Side) Signal Name 1/0 Pin...
  • Page 54 TECHNICAL INFORMATION I /0 Channel ( B-Side) 1/0 Pin Signal Name • Ground RESET DRY +5 Vdc Power IRQ9 -5 Vdc Power DRQ2 -12 Vdc Power OW S +12 Vdc Power Ground -SMEMW -SMEMR -lOW -lOR -DACK3 DRQ3 -DACK1 DRQ1 -Refresh C LK IRQ7...
  • Page 55 TECHNICAL INFORMATION 1/0 Channel ( C-Side ) 1/0 Pin Signal Name SBHE LA2 3 LA22 LA21 LA20 LA19 LA18 LA17 -MEMR -MEMW SOlO SDll SD 12 SD13 SD14 SD15 4-17...
  • Page 56 TECHNICAL INFORMATION /0 Channel ( D-Side) 1/0 Pin Signal Name "' -MEM CS16 -1/0 CS16 IRQ10 IRQll IRQ12 IRQ15 IRQ14 -DACKO DRQO -DACK5 DRQ5 -DACK6 DRQ6 -DACK7 DRQ7 +5 Vdc Power -MASTER Ground t> 4-18...

  • Page 57: Appendix Asystem Bios

    APPENDIX A SYSTEM BIOS " Al l m i c ro c o m p u t e r s y s t e m s us e a Bas i c In p u t O ut p u t S y s t e m . T h i s i s s o f t w are t h a t h a s b e e n p e r m an e n t l y re c ord e d...
  • Page 58 SYSTEM BIOS I f i t i s t h e f i r s t t i m e t h a t t h e c o m p u t e r i s s tar t e d u p, y o u w i l l n e e d t o c o n f i g u r e t h e s y s t e m t e l l i n g t h e S E T U P...

  • Page 59: Memory Test Bypass A

    SYSTEM BIOS MEMORY TEST BYPASS A f t e r t h e s y s t e m i s p o w e r e d o n o r a f t e r a r e s e t , t h e BIO S p e r f o r m s d i a g n o s t i cs o f t h e s y s t e m a n d d i s pla y s t h e s i z e o f t h e m e m o r y b e i n g t e s t e d .
  • Page 60 SYSTEM BIOS T h e o t h e r t y p e o f e r r o r s a r e s e r i o u s f a i l u r e a n d a r e c o n v e y e d n u m b e r...
  • Page 61 SYSTEM BIOS D o c h e c k t h e l i s t m a k e s u r e t h a t t h e c o n f i g u r a t i o n c o r r e c t .

  • Page 62: Cmos Setup

    SYSTEM BIOS CMOS SETUP Note : The BIOS may be updated from time to time, the one you got may not be exactly as discussed; this section will also be updated necessary. F ollo w t h e i n s t r u c t i o n s a s t h e y c o m e u p o n t h e s c r e e n t o c o m p l e t e t h e i n i t i a l p r o c e d u r e .
  • Page 63 SYSTEM BIOS U s e < U p> a n d < D ow n > k e y s t o h i g h l i g h t t h e s e l e c t e d i t e m . H i g h l i g h t R U N C M O S S E TU P f o r t h e S E TU P p r o g r a m a n d p r e s s t h e <R e t u r n >...
  • Page 64 SYSTEM BIOS O n c e y o u h a v e e n t e r e d t h e S E T U P m enu , e n t e r t h e d a t e , t i m e , t h e p r i m a r y d i s 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 d r i v e t y p e...

  • Page 66: Cmos Setup Options

    SYSTEM BIOS CMOS SETUP OPTIONS F o l l o w i n g i s a d e t a i l e x p l a n a t i o n o f e a c h C M O S S e t u p o p t i o n .
  • Page 67 SYSTEM BIOS The BIOS is able to detect the type of the drives automatically. But remember to check the settings before exit. OPTION 3 FIXED DISK DRIVE There are 4 7 types of fixed disks supported by the BIOS. Consult your fixed disk manual to determine its correct type.
  • Page 69 SYSTEM BIOS OPTION 5 KEYBOARD If a keyboard is attached to the system, select 'Instal l ed'. The BIOS will test the keyboard during self-test. OPTION 6 VIDEO BIOS SHADOW Video BIOS Shadow enabled /disabled in this particular option. If the display card video case...
  • Page 70 SYSTEM BIOS the base memory. Generally, the former option is appropriate. If the hard disk type 47 is defined program like OS/2, select option 2. OPTION 8 MAIN BIOS SHADOW Main BIOS Shadow can be selected in this menu. If you have system memory of MB or more, enable...
  • Page 71 SYSTEM BIOS OPTION 10 0 WAIT STATE OPTION With this feature, user can use a wide range of DRAM speed available. If the user is using slow DRAM, disable this option; this will provide better timing margins for the DRAM. If however high speed DRAM...

  • Page 72: Exiting Cmos Setup

    SYSTEM BIOS EXITIN G CMOS S ETUP After you have entered the correct va ues to all of the SETUP options, you may now exit the SETUP program. To do so, press <ESC> key to exit. The following message will then appear Write d ata into CMOS and exit (Y /N ) ? Press Y t o update the data and exit the...

  • Page 73: Running Ami Bios Diagnostic

    SYS�EM BIOS RUNNING A MI BIOS DIAGNOSTICS Follow initial procedures in the C MOS Setup until the following display is shown on the screen: EXIT FOR BOOT RUN CMOS SETUP • RUN D IAGNOSTICS & <Up> < Down> move highlight bar to select "RUN DIAG NOSTICS" and then press <Enter>.
  • Page 74 SYSTEM BIOS Diag nostics Option Menu note following Diagnostics main menu: line with title program, copyright message and the date and time in • military format. ROMDIAG Options Line with devices/ adapters supported by the program. They are: Hard Disk, Floppy disk, Keyboard, Video and Misc.

  • Page 75: Anti-Static Precaution

    APPENDIX B OPERATION AND MAINTENANCE Preventing a problem is better than having to fix it after it has happened. This is where cleanliness and proper operating procedures come into play . ANTI-STATIC PRECAUTION Some components of the FO X-I I or computer components are static-sensitive devices and can be damaged by static discharges.

  • Page 76: Keeping The System Cool

    OPERATION AND MAINTENANCE KEEPING THE SYSTEM COO L Airflow critical proper operation. motherboard contains many high-speed components and they will generate heat during operation. Other add-on cards hard disk • drive can also produce a lot of heat. As a result, the temperature inside the computer system may be very high.

  • Page 77: Cleaning The Motherboard

    OPERATION AND MAINTENANCE CLEANING THE MOTHERBOARD Because the system is air-cooled, dust can enter your system through the ventilation slots. At least once a year, take the cover off your computer vacuum interior remove accumul ated dust. Use a brush attachment on the vacuum and carefully go over all exposed parts.
  • Page 78 OPERATION AND MAINTENANCE THIS PAGE IS INTENTIONALLY LEFT BLANK •...
  • Page 79 APPENDIX SYSTEM BOARD LAYOUT o· �� Q;:l El� o� OCTEK HTI2 FOX n 286 272 56 L BANK l � � 44 2 5 6 4425 6 BANK 0 ,.. , ..I p ...,. . , , .. .

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