Epson Apex 286/12 Canadian Product User Manual

Epson Apex 286/12 Canadian Product Manual

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  • Epson Apex 286/12 Canadian Product | User Manual - Page 1
    TECH-1234 12MHz 286™ SYSTEM U ser's Manual
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    it are copyrighted with all rights reserved. Under the copyright laws, the TECH-1234, this manual, and the illustrations, may not be copied without the written consent of Datatech Enterprises Co., Ltd. Documentation design and writing by: Echo Chen, Patty Lee, Hazel Chen, and Alan Patterson. © 1991
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    tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed compliance must be specified in the instruction manual. Warning: A shielded-type the radio interference regulations of the Canadian Department of Communication.
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    Warning Reconfiguring • To keep the computer from being damaged, NEVER reconfigure the board while the power is ON. • If you wish to reconfigure the computer at any time, ensure that the power is turned OFF before changing any hardware settings, such as DIP switches or jumpers. III
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    Unit 7 1-7 Control Panel 8 Reset Button 8 Turbo Button 8 Indicator Lights 8 Keyboard Lock 9 System Power Switch 10 1-8 Rear Panel 11 Keyboard Connector 12 Power Cord Connector 13 Display Port 14 Power Voltage Setting 15 1-9 Other Peripherals 16 1-10 Disk Drives 17 Floppy Disks
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    is on Your Disk 7 3-3 Hard Disk Drive Format 8 Step 1 - Preformat 8 Step 2 - Partition 8 Step 3 - Format 9 3-4 Helpful Hints 10 3-5 System Setup Program 11 Entering the Setup Program 12 Running the Setup Program 14 V
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    Getting Acquainted with Your Keyboard 3 Function Keys 3 Numeric Keypad 3 Mode Indicator Lights 5 Special Keys 6 QWERTY keys 7 Cursor Keys 8 Key Combinations 8 4-3 Keyboard Tilt Adjustment 9 Chapter 5 TROUBLESHOOTING 1 5-1 Command Problems 2 5-2 System Error Messages 4 Examples of System
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    Chapter 6 APPENDIX 1 6-1 Installing Disk Drives Step 1: Fastening Disk Drives 3 Step 2: Connecting Cables 5 6-2 Entering 12MHz Turbo Mode 9 Entering 12 MHz Turbo Mode 9 SoftwareTurboSwitch 9 Hardware Turbo Switch 9 Alternate Use of Both Switches 9 6-3 Software 10 Shadow RAM Enable 10 EMS
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    Figure 1-4: Front Panel 8 Figure 1-5: Keylock and Two Security-Lock Keys 9 Figure 1-6: ON/OFF Switch in OFF Position 10 Figure 1-7: Two Kinds of Display Connectors 14 Figure 1-11: Voltage Switch 15 Figure 1-12: System Unit Connected to Peripherals 16 Figure 1-13: Installing Floppy and Hard
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    Figure 2-9: 640KB Total Onboard System Memory 10 Figure 2-10: 1 MB Total Onboard System Memory 11 Figure 2-11: 1.5MB Total Onboard System Memory 12 Figure 2-12: 2MB Total Onboard System Memory (A 13 Figure 2-13: 2MB Total Onboard System Memory (B 13 Figure 2-14: 3MB Total Onboard System Memory
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    Keys 3 Figure 4-3: Numeric Keypad 3 Figure 4-4: Indicator Lights 5 Figure 4-5: Special Keys 6 Figure 4-6: QWERTY Keys 7 Figure 4-7: Cursor Keys a Hard Disk Drive to an HDC Card . . . . . 8 Figure 6-12: 62-Pin Expansion Bus I/O Channels 23 Figure 6-13: 36-Pin Expansion Bus I/O Channels 24 X
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    4 KEYBOARD Table 4-1: Functions of Numeric Keypad Keys 4 Table 4-2: Functions of Special Keys 6 Table 4-3: Functions of Special QWERTY Keys 7 Table 4-4: Special Functions 8 Chapter 6 6-10: I/O Hex Address 22 Table 6-11: DMA Channel 3 Through 0 22 Table 6-12: DMA Channel 7 Through 5 22 XI
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    What's Inside Here's what you'll find in this manual: Chapter 1 - "System Overview", gets you acquainted with the basic keyboard's features, layout and basic functions. Chapter 5 - "Troubleshooting", covers a simple troubleshooting procedures and provides directions for additional help. Chapter 6 -
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    How to Use this Manual For the advanced user If you are an experienced PC user and do not want to upgrade your system now and you want to start
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    Chapter 1 System Overview
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    . If you want to upgrade your hardware later, read Chapter 2, INSTALLATION. If you want to gain a more thorough understanding of your computer, read the entire manual. Note: You may refer to the "Glossary"section for definitions of computer terminology. Chapter 1: System Overview 1
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    key design features of your computer. For this reason, this computer is the ideal choice for a person seeking affordable AT-style power. The clear, well-illustrated instructions in this manual DOS User's Guide and User's Reference. This manual is included with your system. 2 Chapter 1: System
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    experienced user anxious to start using your computer, observe the figure below to set up your personal computer. You will still want to use this manual later as a reference book. Note: Save all packing materials in case you need to ship your computer. Chapter 1: System Overview 3
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    1-3 Features • Intel 80286-12 microprocessor with 80287 coprocessor optional • Use of CHIP's PC/AT disk and special I/O • 64KB legal BIOS • Four-layer mainboard • LIM 4.0 EMS support • Shadow RAM support • Choice of either 44256 DIP or 256k/l M SIMM DRAM modules • Page/Interleaved DRAM access method
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    1-4 Specifications • CPU - 80286 microprocessor, 12MHz • RAM - Subsystem of 512KB, 64OKB, 1 MB, 1.5MB, 2MB, 3MB, 4MB and 5MB • ROM - 64KB legal BIOS • Expansion slots -Five 16 bit slots and three 8 bit slots • Disk Drive(s) - Three 5.25" bays and one 3.5" bay • Power Size - 165mm X 150mm X 150mm •
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    1-5 Example of a System Configuration The basic system is pictured below. You may choose peripherals and upgrades for the system as your needs require. Even if your system is different from the one pictured, it should operate in the same basic manner. Figure 1-2: System Configuration 6 Chapter I:
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    1-6 System Unit The system unit may house a motherboard, disk drives, a power supply and other optional expansion cards. 2 Function Lights Figure 1-3: System Unit Case Chapter 1: System Overview 7
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    turning the power off. If you encounter any problems while using unfamiliar software, you can always restart quickly from the RAM test stage by pressing the reset button. Note, however when the power is on. The red LED comes on when the hard disk is being accessed. 8 Chapter 1: System Overview
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    Keylock The keylock enables or disables the keyboard. In the unlock mode the keyboard is activated. In the lock mode the keyboard is disabled to deny unauthorized users access to the computer. Figure 1-5: Keylock and Two Security-Lock Keys Chapter 1: System Overview 9
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    System Power Switch The system power switch is located on the right side of the case toward the rear. Figure 1-6: ON/OFF Switch in OFF Position You should always be certain that the power is turned off before modifying the hardware configuration in any way. 10 Chapter 1: System Overview
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    1-8 Rear Panel The rear panel has all the connections that lead from the system unit to external peripherals and the power source. Turn off all power switches before connecting or disconnecting cables/wires! Ensure that cables/wires are attached to the peripheral device first and connect to the
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    Keyboard Connector The keyboard supplied with your system may be plugged into sockets at the back of the case. Plug the keyboard cable into the socket as shown below. Keyboard Connector Figure 1-8: Connecting the Keyboard Cable 12 Chapter 1: System Overview
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    Power Cord Connector The power supply has two receptacles: one supplies power to a monitor; the other connects to the main power source. Yet, if your monitor power plug does not fit the system unit's monitor power outlet, you should plug it into a wall electrical outlet. Figure 1-9: System Power
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    You will also need to connect your monitor to the system unit at a female display port in one of the expansion slots as shown on the previous page. To attach the monitor cable to the display port, plug the cable into the port and screw the cable connector down securely. Your computer gives you a
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    Power Voltage Setting The system unit can run on either 115V or 230V as indicated in Figure 1-11. The voltage setting switch is located above the monitor power outlet. Refer to Table 1-1 for power cord specifications. Figure 1-11: Voltage Switch When you are using the PC in American areas, switch
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    1-9 Other Peripherals To connect other peripherals (printer, modem etc.), refer to your expansion card manuals or peripheral manuals to determine which ports are to be used. Your may consult your dealer for more about the expansion cards available for your system. Typical peripherals
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    1-10 Disk Drives Your disk drive displays different kinds of composition by installing at most three 5.25" floppy/ hard and one 3.5" hard disk drives. You can decide the composition according to your need. More information about how to install disk drives may be found in Chapter 6. Figure1-13:
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    Floppy Disks With a floppy disk drive you can format and use double-sided (or single-sided) double-density (or high-density) floppy disks. One double-sided doubledensity 5.25" floppy disk can store up to 360KB of data One double-sided high density 5.25" floppy disk can store up to 1.2MB of data.
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    Copy Protection A tab on the 3.5" diskette is used for protection of data. This is a mechanical method of protecting the disk from additions, deletions and alterations of existing data. The figure below shows a diskette with the write protect tab. To enable write protection, slide the tab toward the
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    Hard Disks Your computer is very powerful and versatile. To make full use of all its capabilities, you had better use a hard disk. A hard disk can raise your efficiency because the hard disk keeps programs and data available at your fingertips. Moreover, your system gives you a wide range of half-
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    1-11 Keyboard Your keyboard has a set of function keys, cursor keys and a numeric keypad. The figure below shows a typical keyboard. Refer to Chapter 4 for a more detailed description of the keyboard. Figure 1-16: Keyboard Chapter 1: System Overview 21
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    1-12 Maintaining Your Equipment Read and follow carefully all the instructions and warnings in this manual and on these products! Only use a to repair the system unit, monitor/s, cables/wires. Refer all such problems to experienced service personnel. Ensure that the back of the system unit is at
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    Chapter 2 Setting Up Your System
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    Setting Up Your System In this chapter you will learn about: s how to assemble a knocked-down system n how to upgrade your system Setting up a system is easy and takes only a short time. If your dealer has set up your system for you, you can skip this chapter. With the system set up you are now
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    2-1 Motherboard The motherboard of your computer contains an Intel@ 80286-12 microprocessor (or CPU), a 80287-8 math coprocessor socket, BIOS chips and expansion slots. These parts of your system that you can see and touch are called
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    software instructions. Your system uses an Intel 80286-12 CPU which is located at U34 on the mother board. It is an advanced, high-performance microprocessor with specially optimized capabilities for multiple-user and multi-tasking systems. It has built-in memory protection that supports
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    Math Coprocessor If you process numeric data, a math coprocessor will make your work more efficient . An optional 80287 math coprocessor can be installed in socket U35 to accelerate processing of calculation-intensive applications. Remember that you must make sure the dotted end of the chip is lined
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    Chips or RAM Modules Insertion Remember that when inserting chips or Ram modules, you must make sure that the notched or the dotted end of the chip is lined up with the notched end of the socket. Gently push the chip into the socket, and be careful not to bend the pins. Refer to the figures below.
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    Jumper A jumper is a kind of switch which uses a plastic cap with a metal interior to connect (short) two pins. If a jumper needs to be left open, you should save the cap for future use by covering only one pin of a jumper. This has no effect on the function of the board while it keeps the cap handy
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    Onboard System Memory Size Jumpers JP1 - JP6 are used to set the RAM size you want on the mainboard. The DIP and SIMM DRAM banks can contain from 512KB, 64OKB, 1MB, 1.5MB, 2MB, 3MB, 4MB to 5MB by means of setting them. Refer to Figure 2-1 for the location of jumpers JP1 - JP6 and the illustration
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    The following shows the configuration for total onboard system memory. Description JP1 - JP6 Settings Using one bank or two banks (banks 0 & 1) with either DIP or SIMM DRAMS as onboard memory Using three or four banks of DIP (banks 0, 1) and SIMM (banks 2,3) DRAMS as onboard memory Table 2-1:
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    Figure 2-8: 512KB Total Onboard System Memory You may use either bank as bank 0. Chapter 2: Setting Up Your System 9
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    Figure 2-9: 640 KB Total Onboard System Memory You may use either bank as bank 0. 10 Chapter 2: Setting Up Your System
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    Figure 2-10: 1MB Total Onboard System Memory Any bank 0 may be used with any bank 1. Chapter 2: Setting Up Your System 11
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    Figure 2-11: 1.5 MB Total Onboard System Memory 12 Chapter 2: Setting Up Your System
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    Figure 2-12: 2MB Total Onboard System Memory (A) Figure 2-13: 2MB Total Onboard System Memory (B) Chapter 2: Setting Up Your System 13
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    Figure 2-14: 3MB Total Onboard System Memory 14 Chapter 2: Setting Up Your System
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    Figure 2-15: 4MB Total Onboard System Memory Chapter 2: Setting Up Your System 15
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    Figure 2-16: 5MB Total Onboard System Memory 16 Chapter 2: Setting Up Your System
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    ROM BIOS Chips To install the ROM chips, refer to the illustration below for the location of the chip sockets on the mainboard. Be sure that the type of BIOS is DTK BIOS or any other of 64KB size. Figure 2-17: Installing ROM Chapter 2: Setting Up Your System 17
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    2-2 Installation The time may come when you want to upgrade your system. To do so, you may need to remove the cover of the unit. This is easily accomplished with the following tools: a small flat-blade screwdriver and a small Philips screwdriver. Be sure that the power to the system is switched OFF
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    2-3 Connecting to the Power Supply If your power supply has not been attached to your motherboard, you may need to attach the power supply cable to the connector J8, which is located at the lower right quadrant of the motherboard. There are some cables on the power supply. Be sure the four black
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    The pinouts for the connectors at J8 are as below. Table 2-3: Power Supply Pinouts 20 Chapter 2: Setting Up Your System
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    Operating Your System
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    use for work and play. Finding application software is a simple matter of going to your nearest PC store. Note: This is not an MS-DOS manual. It mentions only a few of the DOS functions available. To learn more about DOS, refer to your MS-DOS User
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    computer's electronic memory. You should follow the instructions below to start DOS. Starting DOS when the following the RAM test: Non-system disk or disk error Replace and strike any key when ready Then Guide and Reference manual for information on system messages. 2 Chapter 3: Operating Your System
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    you want a detailed explanation of all the DOS commands, refer to your DOS user manual. Starting MS-DOS If you are using a hard disk with DOS already installed, Fri 01-01-1990 Enter new date (MM-DD-YY): For the new date, key in the month, day and year, separated by hyphens. Press . Time is
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    Formatting Disk You must format a floppy disk before it can be used. Formatting high-density disk: To format a high-density disk, type the following at the drive prompt: C>Format A: After your disk has been formatted, you will see the following prompt: Format another diskette (Y/N)?
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    will see the following prompt: Copy another diskette (Y/N)? Press if you have nothing else to be copied. Backing up a file: To back up a single file, key in the backup command and directory as below: A>backup /A Chapter 3: Operating Your System 5
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    Deleting your Diskettes and Files You may want to erase diskettes or unnecessary files to make room for other data. Erasing a diskette: To erase a whole directory of files, type the following at the drive prompt: A>del *.* All the files in the open directory are now erased. Deleting a
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    > command. If you want to display the directory of the disk in drive A, you would use the following command: DIR A: After you hit the enter key, all the file information will display on the screen. If you use the command without a drive letter, MS-DOS lists the directory of the
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    Preformat The preformat utility is supplied by the system BIOS. You can press key quickly just after the RAM test to enter the SETUP program. Choosing item 2 from the initial screen to preformat partition, see Appendix D in MS-DOS User's Guide and Reference. 8 Chapter 3: Operating Your System
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    FORMAT C:/S If you have two partitions, you have to format D in DOS prompt. The command should be keyed in as: A> FORMAT D: If you want to use the partition 1 (drive C) to start DOS, operating systems like Xenix, Novell or Unix. Refer to their manuals for details. Chapter 3: Operating Your System 9
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    3-4 Helpful Hints The following may save you some time or help you as you use your computer. Make copies of your diskettes regularly. To make sure that a command works, you should: - Check your typing (make sure you don't confuse \ with /). - Have the correct diskette in the drive. - Check the
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    the motherboard. The setup program is used to key in the configuration you want for your system. compatible with IBM BIOS. In addition, many special functions are supported like: l a low-level fixed disk format utility l three guide you through the setup program. For more information about
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    or press any other key to continue Under the above three conditions, pressing will automatically start the setup program. Under any conditions within DOS, you can use the DOS DEBUG command as follows: A> DEBUG -g=F000:FF60 This command will start the setup program. 12 Chapter 3: Operating Your
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    the setup program. After starting your computer, press the key quickly before the RAM test finishes. If you miss the chance to do so, reset your appear on the screen: SETUP utility will be starting When the system self test is completed, the setup program will take over. Once you have entered
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    of the setup program highlights the selected command. You can use the up < › > and down < œ > arrows to select the desired item. Pressing the enter key < 8 > confirms your selection or enters the next screen. If the option on the screen does not match your configuration, you have two ways to make
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    1. Setting Up System Configuration If you choose item 1 from the screen on the previous page to configure your system, the following will appear: ROM SETUP PROGRAM VERSION 2.0 (C) COPYRIGHT DATATECH ENTERPRISES CO., LTD 1990. ALL RIGHTS RESERVED. SET UP SYSTEM CONFIGURATION 1. CURRENT DATE : [04-
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    2. Preformatting Hard Disk If you want to preformat your herd disks, reenter the setup program by pressing , end select item 2 on the initial screen. The program will then proceed es below: ROM SETUP PROGRAM VERSION 2.0 (C) COPYRIGHT DATATECH ENTERPRISES CO., LTD 1990. ALL RIGHTS RESERVED. 1.
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    the 80-column text display mode only. The calculator and the hard disk park can be used if you press , , and (on the key pad). Pressing will exit these utilities. The following is the figure for the calculator. Figure 34: Calculator Chapter 3: Operating Your System 17
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    item 4 in the initial setup menu will lead you to set up a system password. A password can deny unauthorized users access to the computer. You can key in a password with a maximum of seven alphanumeric units. You may press to see the present password status. 5. Setting Up User-Defined Hard Disk
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    Chapter 4 Keyboard
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    basics of your keyboard and its functions s how to adjust your keyboard angles A computer keyboard sends messages from you to the computer. It has: • QWERTY keys • Function keys • Cursor control keys • A numeric keypad • Special keys • Keyboard indicator lights Chapter 4: Keyboard 1
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    PC keyboard, the PC/AT keyboard, and the enhanced keyboard. Figure 4-1 below illustrates the basic layout of a typical enhanced keyboard. Function Keys Keyboard Special Keys lndicator Lights QWERTY Key Area Cursor Control Numeric Keys Keypad Figure 4-1: Keyboard Layout 2 Chapter: 4: Keyboard
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    into six sections. Refer to the previous page for the layout. The following gives an explanation of these keys. Function Keys These are located on the left or at the top of the keyboard. Function keys have specially defined uses preassigned by the software you use. They are used independently or in
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    7 operative. Home returns cursor to the beginning of the line it is on. Activating Num Lock makes 8 operative. Otherwise the up cursor key is active. Activating Num Lock makes 9 operative. Otherwise page up is active. Used for addition operations. Activating Num Lock makes 4 operative. Otherwise
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    Mode Indicator Lights In addition to the character, number and control keys, every keyboard has three lights that indicate the typing mode. These lights and their iunctions are explained as follows: Figure 4-4: Indicator tights Caps Lock When
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    print all data on the screen. With Scroll Lock activated, you can move text vertically in line units. Pressing this key halts the current operation; pressing it again allows the operation to continue. Moves the cursor for corrections, but the line is not deleted from memory.
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    are used on a typewriter. Figure 46: QWERTY Keys Keys Function Performs a tab function similar to that of a typewriter. Changes lowercase letters to capitals. Moves cursor back one space and erases characters. Pressing this key activates uppercase letters; pressing it again activates lowercase
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    stop a program while it's running. Pressing any key again allows you to continue. Both keys used together interrupt a program while it's running and identify line where it stops. There three keys reset the system so that the machine is at the RAM test stage. Table 4-4: Special Functions 8 Chapter
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    4-3 Keyboard Tilt Adjustment Under the rear of the keyboard are two small legs that can be pulled out or pushed in to change the keyboard angles to suit you. Figure 4-8: Adjustment of Keyboard Angles Chapter 4: Keyboard 9
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    Troubleshooting
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    Troubleshooting In this chapter you will learn about: s the basics of how to solve software/hardware problems s when to get technical help for your computer Your computer has been designed to last for years of optimum performance. But if some problems do occur, more likely than not you will be able
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    screen, refer to your MS-DOS manual for an explanation of the message. You may want to write down the message or print it out with the + key combination. Problems (except blackouts) can be avoided be purchased at any computer or electronic hardware store. 2 Chapter 5: Troubleshooting
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    checklist and your system still does not function properly, check the following pages. Thefollowing instructions will help you solve some common problems. However, you should be aware that other problems might stem from system software, applications or other peripherals. Chapter 5: Troubleshooting 3
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    : These messages are related to the computer's internal components, your monitor, mouse, or printer. Hardware problems are usually ones that the user cannot solve alone. Professional services are therefore required. Error messages generated by MS-DOS, BASIC or other high-level applications: These
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    cursor continues to function normally, the problem was probably caused by accidently pressing the wrong key. If the problem occurs again, go over the same procedure. If the problem persists, contact your software dealer. System on your monitor and reset the baud rate. Chapter 5: Troubleshooting 5
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    Error User Check - Indicates that the floppy diskette controller does not work. FDD Seek Failure - Indicates a failure of the floppy diskette drive 'seek operation. 6 Chapter 5: Troubleshooting
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    the keyboard from the system or a keyboard device failure. Parity Error but Segment not Found, Press any Key to Continue - Indicates that the NMI circuit has detected a RAM parity error. System Memory Mismatch, RAM as well as onboard, You need to run the setup program. Chapter 5: Troubleshooting 7
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    Appendix
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    Appendix This chapter provides: n technical information n jumper settings in your system n information on moving your computer This manual is not a technical reference manual; however-this chapter provides some technical information about your system. If you need more information, you can go to a
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    for a floppy disk drive. You may sometimes want to add to or exchange your floppy or hard disk drives. Be certain to refer to the manuals for both the disk drive and the controller card for any additional specific information. In order to begin the installation, you should open the system
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    Step 1: Fastening Disk Drives 5.25" Floppy/Hard Disk Drives: To install a 5.25" floppy or hard disk drive, follow the procedures below. • Screw the metal guides to the disk drive as shown below. Figure 6-1: Screwing a 5.25" Disk Drive • Slide the back end of the disk drive first into the disk drive
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    front panel as a 5.25" disk drive. It must always be installed inside the system unit case. Refer to the procedures below. • Screw the lower metal guide to the disk drive as show below. Figure 6-3: Screwing a 3.5" Hard Disk Drive • Put it in the 3.5" disk drive bay by hanging it on the two
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    Cables After fastening the disk drive, you will connect it with one power cable and with its controller cable(s). Refer to the following instructions and Figures 6-5, 6-6, and 6-7. Floppy Disk Drives: • Connect the power cable: You should connect the disk drive with one of the four cables from
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    Figure 6-6: Connecting a Floppy Disk Drive Figure 6-7: Connecting a Floppy Disk Drive to an FDC Card 6 Chapter 6: Appendix
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    the power cable and the controller cable, the hard disk drive has one more cable called a data cable. Refer to the following instructions and Figures 6-8, 6-9, 6-10, and 6-11 for connecting cables. • Connect the power cable. • Connect the controller cable. Figure 6-8: Controller Cable for the Hard
  • Epson Apex 286/12 Canadian Product | User Manual - Page 104
    Figure 6-10: Connecting a Hard Disk Drive Figure 6-11: Connecting a Hard Disk to an HDC Card 8 Chapter 6: Appendix
  • Epson Apex 286/12 Canadian Product | User Manual - Page 105
    two clock speeds: 6MHz or 12MHz. Entering 12MHz Turbo Mode Your system supports both a software and hardware switch to toggle between 6MHz and 12MHz ( keys on the keyboard while you press the minus key. If you want to return to the 6MHz mode from 12MHz mode, press the same keys you used
  • Epson Apex 286/12 Canadian Product | User Manual - Page 106
    Select item 1 to enable BIOS or video shadow RAM. (Refer to the BIOS manual for details.) EMS Driver Setup The mainboard supports LIM 4.0 EMS. To set up the EMS driver, follow the steps below. • Hold down the key to enter the setup program. Choose item 6 to enter NEAT Chip Setup Configuration
  • Epson Apex 286/12 Canadian Product | User Manual - Page 107
    a: • Enter this command: INSTALL You will see the following screen. This program installs the NEAT EMS driver on your hard disk. (Press Esc key to quit: any other key to continue installation) • The next screen will be as below if you continue setup. Enter the path name for the location of NEMM
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    , D400H 3: CC00H, D000H, D400H, D800H 4: D000H, D400H, D800H, DC00H 5: D400H, D800H, DC00H, E000H 6: D800H, DC00H, E000H, E400H 7: DC00H, E000H, E400H, E800H 8: E000H, E400H, E800H, EC00H 12 Chapter 6: Appendix
  • Epson Apex 286/12 Canadian Product | User Manual - Page 109
    Expanded Memory Manager Ver. 1.10 1990 (C) Copyright Datatech Enterprise Co.,Ltd All Rights Reserved # 11060790 User specified PAGE PORT = 208H User specified PAGE FRAME = D000H Test Expanded Memory Page 128 There are 128 PAGES for EMS. NEMM.SYS has been installed. Chapter 6: Appendix 13
  • Epson Apex 286/12 Canadian Product | User Manual - Page 110
    6-4 Quick Reference for Jumper Settings Description Using one bank or two banks (banks (0 & 1) with either DIP or SIMM DRAMs as onboard memory Using three or four SIMM (banks 2,3) Table 6-1: JP1 - JP6 - Banks Selection JP1 - JP6 Settings Jumper JP7 Battery External Onboard Table 6-2: JP7 -
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    J1 - Speaker J2 - Keylock J3 - Turbo LED J4 - Hardware Reset J5 - Turbo Switch J6 - Enable Four Size "AA" Batteries J7 - Keyboard Connector J8 - Power Connector Chapter 6: Appendix 15
  • Epson Apex 286/12 Canadian Product | User Manual - Page 112
    move involves use of a motor or a vehicle to carry your computer and its peripherals from one location to another. Before moving any items, follow the instructions stated above. Next, repack all items in their original packing cases. 16 Chapter 6: Appendix
  • Epson Apex 286/12 Canadian Product | User Manual - Page 113
    automatically references the tables whenever a segment register is loaded with a selector. Instructions that load a segment register will refer to the memory based tables without additional program support. The memory-based tables contain 8-byte values called descriptors. Chapter 6: Appendix
  • Epson Apex 286/12 Canadian Product | User Manual - Page 114
    the 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 not using the full 64KB. The unused end of the segment may be overlaid by another segment
  • Epson Apex 286/12 Canadian Product | User Manual - Page 115
    priority. Level Microprocessor NMI Interrupt Controllers CTLR1 IRQ0 IRQ 1 IRQ2 IRQ3 IRQ 4 IRQ5 IRQ6 IRQ7 CTLR2 IRQ8 IRQ9 IRQ 10 IRQ 11 IRQ 12 IRQ 13 IRQ 14 IRQ 15 Function Parity or I/O Channel Check Timer Output 0 Keyboard (Output Buffer Full) Interrupt from CTLR 2 Realtime Clock Interrupt
  • Epson Apex 286/12 Canadian Product | User Manual - Page 116
    ROM Subsystem The ROM subsystem has a 32K by 16-bit arrangement consisting of two 32K by 8-bit ROM/EPROM modules. The odd and even address codes reside in separate modules. The top of the first megabyte and the bottom of the last megabyte address space is assigned to ROM (hex 0F0000 and hex FF0000).
  • Epson Apex 286/12 Canadian Product | User Manual - Page 117
    Channel Channels 0 through 3 are contained in DMA controller 1. Transfers of 8-bit data, 8-bit I/O adapters and 8-bit or 16-bit system memory are supported by these channels. Each of these channels will transfer in 64KB blocks throughout the 16-megabyte system address space. Channels 4 through 7 are
  • Epson Apex 286/12 Canadian Product | User Manual - Page 118
    is as below. Table 6-11: DMA Channel 3 Through 0 Note: To generate the addressing signal "byte high enable" (BHE), invert address line A0. Table 6-12: DMA Channels 7 Through 5 Note: The BHE and A0 addressing signals are forced to a logical 0. DMA channel addresses do not increase or decrease through
  • Epson Apex 286/12 Canadian Product | User Manual - Page 119
    share the system's resources, including memory) • DMA channels The pinouts of the expansion bus I/O channels are shown as below and on the next page. B A Figure 6-12: 62-Pin Expansion Bus l/O Channels Chapter 6: Appendix 23
  • Epson Apex 286/12 Canadian Product | User Manual - Page 120
    Figure 6-13: 36-Pin Expansion Bus I/O Channels Math Coprocessor Control The math coprocessor functions as an I/O device through I/O port addresses hex 0F8, 0FA and 0FC. The microprocessor sends OP codes and operands to I/O ports. The microprocessor also receives and stores results through the same
  • Epson Apex 286/12 Canadian Product | User Manual - Page 121
    Glossary
  • Epson Apex 286/12 Canadian Product | User Manual - Page 122
    Glossary Some of the terms you will come across frequently in this manual are defined here. add-on card - This card connects through expansion slots to the motherboard. Also known as an adapter, an expansion card or an
  • Epson Apex 286/12 Canadian Product | User Manual - Page 123
    . The higher the number, the faster your computer. CPU - Central Processing Unit. Also known as a microprocessor. This chip processes all the instructions in the computer. computer - An electronic device that can receive, store and transmit data, and process arithmetic or logic operations. cursor
  • Epson Apex 286/12 Canadian Product | User Manual - Page 124
    data - Any kind of information. However, this word is generally used to describe computer-related information. debug - A method for correcting computer errors. default - This is an existing setting in a computer. DIP - This is an acronym for Dual In-line Package, which is a method for packaging
  • Epson Apex 286/12 Canadian Product | User Manual - Page 125
    driver - A program that lets a peripheral device and a computer function harmoniously; a hard disk driver controls exchanges between a hard disk and a computer. expansion slot - This is a slots in which adapters and/or cards can be housed. file - A file is a collection of related information/data
  • Epson Apex 286/12 Canadian Product | User Manual - Page 126
    bytes. memory address - A hexadecimal or decimal value given to a memory location. microprocessor - This is an integrated circuit that receives coded instructions for execution. It is also referred to as a CPU. modem - A modem lets your computer communicate with other computers over telephone lines
  • Epson Apex 286/12 Canadian Product | User Manual - Page 127
    a computer and its peripheral components. printed circuit board - An electronic circuit board sandwiched between fiberglass plates. program - A series of instructions that command the computer to perform certain tasks. prompt - A screen message or position of the cursor at the beginning of a line
  • Epson Apex 286/12 Canadian Product | User Manual - Page 128
    data communication equipment and your computer. setup - This section guides you through the preparations you'll need to make before operating advised to read this section carefully. Although this system has been designed to be as foolproof as an ordinary television set, a careful reading
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TECH-1234
12MHz
286™ SYSTEM
U
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Manual