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EPSON

Endeavor

468C

Содержание Endeavor 468C

Страница 1: ...EPSON Endeavor 468C ...

Страница 2: ...a circuit different from that to which the receiver is connected q Consult an experienced radio TV technician for help WARNING The connection of a non shielded equipment interface cable to this equipment will invalidate the FCC Certification of this device and may cause interference levels that exceed the limits established by the FCC for this equipment It is the responsibility of the user to obta...

Страница 3: ...EPSON User s Guide This manual is printed on recycled paper and is 100 recyclable ...

Страница 4: ... transmitted in any form or by any means electronic mechanical photocopying recording or otherwise without the prior written permission of Epson America Inc No patent liability is assumed with respect to the use of information contained herein Nor is any liability assumed for damages resulting from the use of the information contained herein Further this publication and features described herein a...

Страница 5: ... register 7 Operate the computer using the type of power source indicated on its label 8 If you plan to operate the computer in Germany observe the following safety precaution To provide adequate short circuit protection and over current protection for this computer the building installation must be protected by a 16 Amp circuit breaker Beim AnschluB des Computers an die Netzversorgung muB sicherg...

Страница 6: ...e computer yourself Refer all servicing to qualified service personnel 14 Unplug the computer from the wall outlet and refer servicing to qualified service personnel under the following conditions A When the power cord or plug is damaged B If liquid has entered the computer C If the computer does not operate normally when the operating instructions are followed Adjust only those controls that are ...

Страница 7: ...amais les bloquer Ne pas placer l ordinateur prés d une source de chaleur directe Le fonctionnement de l ordinateur doit s effectuer conformement au type de source d alimentation indiquée sur l étiquette Lorsqu on desire utiliser l ordinateur en Allemagne on doit observer les normes securitaires qui suivent Afin d assurer une protection adequate à l ordinateur contre les court circuits et le survo...

Страница 8: ...ice de cet appareil à un technicien qualifié 14 Débrancher l ordinateur de la prise murale et confier le service au personnel de service qualifié selon les conditions qui suivent A B C D E Lorsque le cordon d alimentation ou la prise sont endommagés Lorsquun liquide s est infiltré dans l ordinateur Lorsque l ordinateur refuse de fonctionner normalement même en suivant les instructions N ajuster qu...

Страница 9: ...l Where to Get Help 2 2 2 3 3 3 3 3 4 5 6 Chapter 1 Setting Up Your System 1 Choosing a Location l 2 2 Connecting a Monitor l 2 3 Connecting a Printer or Other Device l 5 Using the Parallel Port l 5 Using the Serial Ports l 7 4 Connecting the Keyboard l 8 5 Connecting the Mouse l 9 6 Connecting the Power Cord l 11 7 Turning On the Computer l 12 Turning Off the Computer l 14 vii ...

Страница 10: ...dow Options 2 12 Setting the Keyboard Options 2 13 Setting the Peripherals Options 2 14 Setting the Password Options 2 15 Entering a Password 2 15 Changing or Deleting a Password 2 16 Setting the Keyboard Lock Option 2 16 Using the System Board Help Function 2 17 Loading Default SETUP Values 2 17 Saving Your Settings and Exiting SETUP 2 18 Post SETUP Procedures 2 19 Chapter 3 Using Your Computer W...

Страница 11: ...s Chapter 4 2 Locating the Internal Components 4 3 Removing the Cover 4 4 Changing the Jumper and DIP Switch Settings 4 6 Setting the Jumpers 4 8 Setting the DIP Switches 4 9 Memory Modules SIMMs 4 10 Inserting SIMMs 4 l 1 Removing SIMMs 4 13 Installing an Option Card 4 14 Using the VGA Feature Connector 4 17 Removing an Option Card 4 19 Removing the Option Card Connector Board 4 20 Replacing the ...

Страница 12: ...e 5 18 Connecting the Cables 5 22 Removing a Drive From a Horizontal Bay 5 26 Connecting the Hard Disk Drive Ribbon Cable to the System Board 5 30 Post installation Procedures 5 33 Chapter 6 Troubleshooting Identifying Your System 6 l Error Messages 6 2 The Computer Won t Start 6 5 The Computer Does Not Respond 6 6 Restoring the Power Supply 6 7 Password Problems 6 8 Accessing Your System 6 9 Keyb...

Страница 13: ...ems 6 21 External Cache Problems 6 22 Battery Problems 6 22 Appendix A Specifications CPU and Memory Controllers Interfaces Mass Storage Input Devices Power Supply Environmental Requirements Power Source Requirements System Memory Map A l A 2 A 2 A 3 A 3 A 4 A 4 A 5 A 6 Glossary index x i ...

Страница 14: ... video memory expandable to 1MB Math coprocessor built into the microprocessor for the 33 MHz and 50 MHz systems Built in VGA port Two built in serial ports and one built in parallel port Built in IBM PS 2 compatible keyboard and mouse ports On board VGA feature connector Four 16 bit or 8 bit ISA option slots Support for up to three internal mass storage devices Password security Using the built i...

Страница 15: ... integrated VGA interface Use these utilities to take advantage of extended VGA features such as high resolutions and 132 column text mode when you run popular application programs Instructions for installing and using these drivers are in a readme file called VGADRV TXT on the Utilities 1 diskette If your system came configured with a hard disk drive you may also find this file by selecting the V...

Страница 16: ...s that require higher memory OverDrive Processor You can enhance your 25 MHz or 33 MHz system by replacing your microprocessor chip with an Intel OverDrive processor This processor doubles the internal clock speed so your system runs much faster Math Coprocessor If you have the 25 MHz system you may want to install an 80487SX 25 MHz coprocessor This optional microprocessor includes a built in math...

Страница 17: ...ur computer If you change the configuration later you will need to run it again Chapter 3 covers general operating procedures such as turning the computer on and off using disks and disk drives entering a password and changing the processor speed Chapter 4 describes how to install optional equipment such as option cards and memory modules Chapter 5 explains how to install and remove disk drives Ch...

Страница 18: ...Conventions Used in This Manual This manual uses the following type conventions Introduction 5 ...

Страница 19: ...guration and operation of Epson products On site Servicer referral Assistance in locating your nearest Authorized Epson Reseller of Service Center Sales of Epson computers as well as ribbons supplies parts documentation and accessories for your Epson product Customer Relations Epson technical information library fax service also available directly by calling the toll number 310 782 4214 Product li...

Страница 20: ...Your System To set up your computer follow the steps in this chapter If you purchased additional options see Chapters 4 and 5 for instructions on how to install them before you set up your system Setting Up Your System 1 1 ...

Страница 21: ...ources No electromagnetic interference Do not place your system too close to any electrical device such as a telephone or television which generates an electromagnetic field Appropriate power source Connect all your equipment with the appropriate power cords for the power source in your area If you are operating the computer in a country other than the one in which you purchased it see Power Sourc...

Страница 22: ... power cable to connect it to a power source On most monitors the monitor cable is permanently attached to the monitor as shown in the following illustration If your monitor does not have an attached cable connect the cable to it now See your monitor manual for instructions 3 Align the connector on the monitor cable with the VIDEO port on the computer then insert the connector Be careful not to be...

Страница 23: ... the other end of the power cord into an appropriate grounded electrical outlet or if the cord has the correct type of plug into the power outlet on the back of the computer Caution Before you plug the monitor s power cord into the back of your monitor make sure the monitor s power requirements do not exceed 1 Amp 1 4 Setting Up Your System ...

Страница 24: ...ructions below Using the Parallel Port Follow these steps to connect a parallel printer to your computer 1 Place the printer next to the computer so that the backs are facing you 2 Align the connector end of the printer cable with the PARALLEL port as shown below and plug it in If the connector has retaining screws tighten them Setting Up Your System 1 5 ...

Страница 25: ...to the printer as shown below To secure the cable squeeze the clips at each side of the printer port and push them into place 4 Plug the printer s power cord into an appropriate grounded earthed electrical outlet 2 6 Setting Up Your System ...

Страница 26: ... the serial RS 232C ports on the back of the computer These ports use a DB 9P connector so be sure you have a compatible cable To connect a serial device insert the connector into one of the ports marked SERIAL 1 and SERIAL 2 If you are connecting only one serial device use the SERIAL 1 port as shown below Setting Up Your System 1 7 ...

Страница 27: ...es up Insert it into the port marked K B as shown below Caution Although the connectors and ports for the keyboard and mouse are physically identical they cannot be used interchangeably Be sure to plug the keyboard connector into the keyboard K B port or you could damage your system 1 8 Setting Up Your System ...

Страница 28: ...er the keyboard press each leg back into its slot 5 Connecting the Mouse Your computer includes an auxiliary port for an IBM PS 2 compatible mouse that uses a round miniature DIN 6 pin connector If your mouse has this type of connector you can connect it to the computer s built in port Note If your mouse requires a different interface connect it to the built in serial port or an option card that p...

Страница 29: ...rs and ports for the mouse and keyboard are physically identical they cannot be used interchangeably Be sure to plug the mouse connector into the MOUSE port or you may damage your system If your system has not already been configured you may need to install a mouse driver See your mouse manual for instructions 1 10 Setting Up Your System ...

Страница 30: ...into the AC power INLET on the back panel as shown below WARNING To avoid an electric shock be sure to plug the cord into the computer before plugging it into the wall outlet 2 Plug the other end of the power cord into an appropriate grounded earthed electrical outlet Setting Up Your System 1 1 1 ...

Страница 31: ...sk q Never turn on the computer with a protective card in the diskette drive q Always wait about 20 seconds after you turn off the power before you turn it on again to prevent damage to the computer s electrical circuitry q Do not leave a beverage near your system Spilled liquid can damage the circuitry Follow these steps to turn on the system 1 Turn your computer around so the front panel faces y...

Страница 32: ...se the controls on your monitor to adjust the brightness and contrast until you can easily see the characters on the screen If your monitor has horizontal and vertical hold controls you may need to use them to stabilize the display 6 The screen displays the following prompt Press Del if you want to run SETUP Do not press any key yet you just want to make sure the computer is working This prompt ap...

Страница 33: ...ctions When you finish running SETUP be sure to see Post SETUP Procedures on page 2 19 for guidelines on what you need to do next Turning Off the Computer Whenever you turn off your system follow these steps 1 Save your data and exit any application program you are using 2 Check the hard disk drive light and the diskette drive light s to make sure they are not on Do not turn off the computer if a ...

Страница 34: ...o you can run it any time you turn on or reset your system SETUP lets you verify or change the following q q q q q q q q q q q q q Current date and time Type of diskette drive s installed Type of hard disk drive s installed Type of video display adapter you are using Processor speed System booting sequence Diskette drive seek test System memory Coprocessor support Shadow ROM options Keyboard optio...

Страница 35: ...ll as the following prompt at the bottom of the screen Press Fl to run SETUP or F2 to continue If this happens press to run SETUP and correct the setting Another SETUP option displays information about your system board This information provides a useful reference about jumper and DIP switch settings SIMM configuration and hot key combinations See page 2 17 for more information SETUP also lets you...

Страница 36: ...tarts loading the operating system and you will not be able to run SETUP If this happens reset the computer and try again When you press Delete you ll see a SETUP menu containing these options 1 Start operating system 2 Run SETUP 3 Set Password options 4 Display system board help 5 Load default SETUP values 6 SAVE settings and exit 7 Exit without saving settings Type the number of the menu option ...

Страница 37: ...current month at the bottom right of the screen Additionally this screen contains system parameters you can change Selecting Options A solid cursor bar highlights the selected parameter Press to move the cursor to the parameter you want to change Then press or to display the available options As you move the cursor to each parameter you see a description of the available options for that parameter...

Страница 38: ...The time parameter uses a 24 hour clock For example 5 p m is shown as 17 Setting the Diskette Drive s Your system probably came with one diskette drive installed You may also have another drive of a different size or capacity The SETUP menu offers five possible selections for your diskette drives A and B q 360KB 5 25 inch q 1 2MB 5 25 inch q 720KB 3 5 inch q 1 44MB 3 5 inch q Not Installed Check t...

Страница 39: ...u installed a SCSI drive select None for drive D q If your computer came with an Epson 120MB hard disk drive or if you installed this drive yourself select number 39 for drive C q If your computer came with an Epson 170MB hard disk drive or if you installed this drive yourself select number 26 for drive C q If your computer came with an Epson 240MB hard disk drive or if you installed this drive yo...

Страница 40: ...k drives you can use Check this table and the documentation supplied with your hard disk to find the correct type number for your drive If none of the types listed matches your drive see Defining Your Own Drive Type on page 2 9 Hard disk drive types Running the SETUP Program 2 7 ...

Страница 41: ...Actual size when formatted may be slightly different than the size listed on the drive label Hard disk drive supported in translate mode Epson drives l 2 8 Running the SETUP Program ...

Страница 42: ...ds in the drive WPcom The precompensation cylinder Zone The landing zone the area on which the computer parks the heads Sec The number of sectors on the drive Press after typing each number Check your drive documentation for the correct value if SETUP does not accept a value you ve typed SETUP provides the hard disk size based on the other values you entered Setting the Primary Display Type The Pr...

Страница 43: ...rd to mono l Default setting For a composite color monitor such as a color television with video input try selecting Color 80x25 If the monitor s resolution is poor run SETUP again and select Color 40x25 If you have two display adapters of different types select the setting for the one you want to be your primary display adapter The other one is your secondary adapter If you install one type of di...

Страница 44: ... Speed in Chapter 3 for more information Setting the Booting Sequence The booting sequence determines the order in which the computer checks the drives when it looks for the operating system For example if you select A then C each time you turn on the computer it checks drive A for an operating system diskette and loads the operating system from that diskette If drive A does not contain an operati...

Страница 45: ...tions on these submenus move the cursor to the Shadow setup Keyboard setup or Peripherals setup parameters You see a window to the right of the screen that contains the options for the parameter you have selected Press m to move the cursor into the window Then press the arrow keys to move the cursor to the option you want to change Press or to scroll through the available options Setting the Shado...

Страница 46: ...ers on the option card Setting the Keyboard Options There are four options for the keyboard Test NumLock Key rate and Key delay The table below describes the settings available Keyboard options Option Test NumLock Settings Enabled Disabled On Off Description Tests keyboard at power on Skips keyboard test at power on Determines initial NumLock status when system is turned on or reset Key rate Key d...

Страница 47: ...rial port 1 as COM 1 and serial port 2 as COM2 Sets serial port 1 as COM1 disables port 2 Sets serial port 1 as COM2 disables port 2 Disables both of the serial ports Sets parallel port as unidirectional LPT1 Sets parallel port as unidirectional LPT2 Sets parallel port as bidirectional LPT1 Sets parallel port as bidirectional LPT2 Disables the on board parallel port Enables the PS 2 mouse port Dis...

Страница 48: ...rd state option The cursor moves to the Enter password option field 3 Enter the password you want to use and press The password can be up to eight characters and or numbers As you type the password the screen displays an asterisk for each character you type 4 The cursor moves to the second Enter password option field Type your password again and press You again see an asterisk for each character y...

Страница 49: ...ce you have set a password for your system you can also set a hot key that when you press it locks the keyboard and mouse until you enter your password again Follow these steps to define the hot key for your keyboard lock option 1 On the password setup screen move the cursor to the Hot key state option 2 Press until you see New Install The cursor moves to the Enter Hot key option field 3 Enter a l...

Страница 50: ... 4 Display system board help from the main menu Use the arrow keys to scroll through the options You see the help information for the selected option in a window at the lower right corner of the screen Loading Default SETUP Values You can load the default SETUP values at any time by selecting option 5 Load default SETUP values Whenyouselect this option you see this message Load BIOS setup default ...

Страница 51: ...xit SETUP without saving the setting select option 7 Exit without saving settings The system reboots with your original settings Note If your computer detects a problem in your SETUP configuration you may see an error message and a prompt to run SETUP when it is rebooting Follow the instructions on the screen to run SETUP and correct the problem You may also see an error message when your computer...

Страница 52: ...iskette contains special drivers to enhance the display capabilities of your built in VGA adapter with certain applications If you want to install these drivers see the readme file called VGADRV TXT in the root directory of the VGA Utilities 1 diskette To print this file enter the following command at the DOS prompt COPY A VGADRV TXT LPTl If your computer came configured with a hard disk the READM...

Страница 53: ...topping a command or program Resetting the computer Using a password Using the hot key feature Changing the processor speed Working Comfortably This section provides tips for creating a comfortable work environment Following these guidelines for good posture work habits and workstation layout can help you avoid problems such as muscle aches eyestrain and fatigue Using Your Computer 3 1 ...

Страница 54: ...wer legs should be vertical Your feet should rest firmly on the floor or a footrest An adjustable chair allows you to customize your workstation for your body so you can maintain the right posture To avoid back problems make sure your chair supports your lower back Padded armrests let you rest your arms as you work To reduce neck strain keep source documents on a copy stand and position the stand ...

Страница 55: ...r try to vary your posture and movements Your seat and backrest should be wide enough and there should be enough room under your desk so that you can sit in a variety of positions throughout the day Be sure to occasionally stop working at your computer and perform other tasks Also take periodic breaks stand up stretch and move around Lighting the Room While it is important to have adequate lightin...

Страница 56: ...p at the screen If your monitor is too low you can raise it by placing it or the computer on a stand If the monitor has a tilt and swivel base you can use it to adjust the position of the screen for comfortable viewing To produce an image that is clear and easy to look at adjust the monitor s brightness and contrast controls If your screen flickers you can minimize it by selecting a dark backgroun...

Страница 57: ... your drive Write protect diskettes Insert and remove diskettes Use a single diskette drive system Format diskettes Make backup copies Care for diskettes Use a hard disk drive Types of Diskette Drives Your system supports the following types of diskette drives q 1 44MB 3 5 inch q 1 2MB 5 25 inch q 72OKB 3 5 inch q 360KB 5 25 inch q Dual 1 44MB 3 5 inch and 1 2MB 5 25 inch Using Your Computer 3 5 ...

Страница 58: ...ive diskette compatibility Drive type Diskette types it can read from and write to 360KB 360KB 320KB 180KB 160KB 1 2MB 1 2MB 360KB 320KB 180KB 160KB l If you write to this diskette in a 1 2MB drive you may not be able to read it or write to it in a 360KB drive later Because of possible incompatibilities always label your diskettes with the diskette type and density Usually this information appears...

Страница 59: ...s On a 3 5 inch diskette the write protect device is a small switch on the back of the diskette in the lower right corner shown below To write protect a 3 5 inch diskette slide the switch toward the edge of the diskette until it clicks into position exposing a hole in the corner To remove the write protection slide the switch toward the center of the diskette until it clicks into position and the ...

Страница 60: ...an adhesive write protect tab Write protect tabs usually are included in a new package of blank 5 25 inch diskettes To remove the write protection peel off the write protect tab Some program diskettes have no switch or notch so they are accidentally erased or altered 3 8 Using Your Computer ...

Страница 61: ... a 5 25 inch drive hold the diskette with the label facing up and the read write slot leading into the drive When you want to remove the diskette make sure the drive light is off then press the release button or flip up the latch When the diskette pops out remove it and store it properly Caution Never remove a diskette or reset or turn off the computer while a diskette drive light is on You could ...

Страница 62: ...iskette A Because you may often swap diskettes this way it is important to remember which diskette is which It is also a good idea to write protect your original diskette See Write protecting Diskettes on page 3 7 If you have a hard disk and one diskette drive you can load the operating system and application programs from the hard disk create and store your data there and use the diskette drive j...

Страница 63: ...m manual for instructions on formatting diskettes Making Backup Copies It is important to make copies of all your data and system diskettes Make backup or working copies of all diskettes that contain programs such as your operating system and VGA Utilities diskettes then use only the copies Store the original diskettes away from your working diskettes Also copy your data diskettes regularly whenev...

Страница 64: ...estroy data Keep diskettes out of direct sunlight or extreme cold See your diskette packaging for other guidelines Using a Hard Disk Drive Using a hard disk is similar to using a diskette However the hard disk provides several advantages q A hard disk can store many times more data than a diskette q Your computer can perform all hard disk operations faster q You can store frequently used programs ...

Страница 65: ...es or tapes in case you lose some data accidentally Make copies of all your system and application program diskettes before copying the programs to the hard disk Be sure to to back up your data files regularly to keep your backup diskettes or tapes up to date Curing for your hard disk Follow these precautions to protect your hard disk drive from damage and to avoid losing data q Never turn off or ...

Страница 66: ... Keys on the Keyboard Certain keys on your keyboard serve special functions when your computer is running your operating system or application programs as described in the table below 3 14 Using Your Computer ...

Страница 67: ... need to stop a command or program while it is running If you have entered an MS DOS or application program command that you want to stop try one of the following q Press q Hold down the key and press q Hold down the key and press If these methods do not work you may need to reset the computer as described below Do not turn off the computer to exit a program or stop a command unless you have to be...

Страница 68: ...m in the normal manner If you reset the computer without properly exiting a program you may lose data To reset the computer the operating system must be either on the hard disk or on a diskette in drive A so if you do not have a hard disk insert the system diskette in drive A If you are using MS DOS hold down and and press The screen goes blank for a moment and then the computer should reload your...

Страница 69: ...password correctly and press the computer loads the operating system and displays the command prompt Note If you do not know the correct password see Password Problems in Chapter 6 Using the Hot Key Feature Once you set a password you can keep unauthorized users from accessing your system by using the hot key feature This key combination the key of your choice temporarily locks your keyboard and m...

Страница 70: ... processor can operate at two speeds fast or slow Fast speed is the highest speed at which your microprocessor is capable of running such as 25 33 or 50 MHz Slow speed simulates an 8 MHz processor to provide compatibility with older application programs When your computer is operating at fast speed the speed light on the front panel is green When the computer is operating at slow speed the light i...

Страница 71: ...hange the processor speed temporarily by entering one of the following commands from the numeric keypad on your keyboard q To select slow speed press q To select fast speed press Hold down the key and the key simultaneously and then press the or key on the numeric keypad Note You can use the commands listed above while you are running a program However if the program uses one of these commands for...

Страница 72: ...an Intel OverDrive processor or math coprocessor or video memory This chapter describes how to install and remove these options as well as how to change the jumper and DIP switch settings inside the computer You may need to change these settings if you install options or if you want to change the way your system operates Installing and Removing Options 4 1 ...

Страница 73: ...q Replace the system battery Follow the steps in the first section to remove the cover and then go to the appropriate section for the instructions you need When you finish see the instructions at the end of this chapter to replace the computer s cover Note Your system also supports up to 256KB of extended cache memory however the system board must be removed from the computer to install the cache ...

Страница 74: ...ating the lnternal Components As you follow the instructions in this chapter refer to the following illustration to locate the different components inside your computer Installing and Removing Options 4 3 ...

Страница 75: ...nd then any peripheral devices including the monitor and printer Disconnect the computer s power cable from the electrical outlet and from the back panel Also disconnect any cables that are connected to the computer including the keyboard and mouse cables If the monitor is on top of the computer lift it off and set it to one side Remove the three screws securing the back panel as shown below 4 4 I...

Страница 76: ...le as shown below 6 Set the cover aside 7 Ground yourself to the computer by touching the metal surface of the back panel WARNING Be sure to ground yourself by touching the back panel of the computer every time you remove the cover If you are not properly grounded you could generate an electric shock that could damage a component when you touch it Installing and Removing Options 4 5 ...

Страница 77: ...he type of CPU installed q Specify the amount of external cache The DIP switches control these functions q Specify a color or monochrome monitor q Specify the type of CPU installed on your system board q Enable or disable the password q Select the processor speed Jumpers and DIP switches are preset at the factory to match your system s configuration but you may need to change them when you install...

Страница 78: ...per settings Factory setting change jumpers only if external cache chips are installed by servicer DIP switch settings Switch Setting Function 1 O N 33 MHz CPU speed O F F 25 MHz CPU speed 2 O N 25 MHz CPU speed O F F 33 MHz CPU speed 3 O N CPU present in PGA socket O F F CPU absent from PGAsocket 4 O N Enable password security feature O F F Disable password security feature 5 O N Select color mon...

Страница 79: ...ree pin jumpers the jumper connects pin 1 and the middle pin position A or pin 3 and the middle pin position B as shown below In the off position a three pin jumper sits on only one of the end pins To move a jumper from one position to the other use needle nose pliers or tweezers to pull it off its pins and gently move it to the desired position I I Caution Be careful not to bend the jumper pins o...

Страница 80: ...d on the block 2 Use a pointed instrument such as the tip of a pen to turn a DIP switch on or off The new setting takes effect the next time you turn on the computer 3 Depending on which DIP switch you change you may also need to run SETUP For example if you set DIP switch 4 to ON to enable password security you then need to enter your password using Set Password options in SETUP See Chapter 2 for...

Страница 81: ...r up to 36MB There are two SIMM sockets on the main system board and each can contain one memory module You can install SIMMs with a capacity of lMB 4MB or 16MB The following table shows the possible SIMM configurations do not install memory in any other configuration SlMM confiqurations Standard memory on the system board SlMMs can occupy either socket 4 10 Installing and Removing Options ...

Страница 82: ...rds however it is best to use Epson SIMM option kits to ensure reliability and compatibility lnserting SlMMs Follow these steps to install SIMMs 1 Refer to the illustration on page 4 3 to locate the SIMM sockets near the front of the computer 2 Remove any option cards that may be blocking your access to the SIMM sockets See page 4 19 for instructions 3 Position the SIMM over the socket at an angle...

Страница 83: ...es not go in smoothly do not force it pull it all the way out and try again 5 Repeat steps 3 and 4 for the second SIMM if necessary 6 Replace any option cards you removed See page 4 14 for instructions 7 The next time you turn on your computer run the SETUP program so your computer can update its configuration information with the new memory See Chapter 2 for instructions 4 12 Installing and Remov...

Страница 84: ...or a small screwdriver to carefully release the metal tabs that secure the SIMM at each end As you release the tabs the SIMM falls to the side Remove it from the socket 3 If necessary follow the same procedure to remove the other SIMM 4 Replace any option cards you removed as described on page 4 14 5 The next time you turn on your computer run the SETUP program so your computer can update its memo...

Страница 85: ...instructions q If you installed SIMMs the bottom slot slot 1 will accommodate only an 8 bit card q If you are using a CGA adapter and monitor you also need to set the Primary display option in SETUP to Color 80x25 or Color 40x25 See Chapter 2 for instructions on running SETUP q If you are installing a high resolution graphics adapter card follow the instructions below to install the adapter card t...

Страница 86: ...set it aside Store the slot cover in a safe place in case you remove the option card later 3 Unpack the option card and adjust any switches or jumpers on it if necessary Check the option card instructions When you handle the card do not touch any of the components on the circuit board or the gold edged connectors If you need to set it down before you install it place it gently on top of its origin...

Страница 87: ...each the slot push the card in firmly but carefully to insert it fully You should feel the card fit into place If it does not go in smoothly do not force it pull the card all the way out and try again 5 Secure the end of the card to the computer with the retaining screw 4 16 Installing and Removing Options ...

Страница 88: ...s increase the graphics processing performance of your VGA monitor and provide resolutions of more than 1024 x 768 They are useful for high end graphics applications such as AutoCAD or Windows Memory on page 4 25 for information To connect the adapter card interface to the VGA feature connector on your main system board locate the VGA feature cable included with your computer Then follow these ste...

Страница 89: ...ard near the back panel as shown below Align the cable so the red wire along one edge is closest to pin 1 in the socket 3 Connect the other end of the cable to the appropriate interface on the adapter card Check your graphics card manual for instructions 4 18 installing and Removing Options ...

Страница 90: ...ample You may also want to remove a card if you no longer need it Follow these steps 1 Remove the retaining screw securing the option card to the computer Then pull the card straight out of the slot 2 Set the card aside with the component side facing up When you are ready to re install the option card see page 4 14 for instructions Installing and Removing Options 4 19 ...

Страница 91: ...main system board such as the disk drive controllers Follow these steps 1 Remove any option cards See the instructions above 2 Remove the retaining screw securing the bracket on the option card connector board to the power supply 3 Pull the board straight up and out of its socket and set it aside 4 20 Installing and Removing Options ...

Страница 92: ...page 4 14 for instructions Installing a New Processor Chip You can enhance your 25 MHz or 33 MHz system s performance by installing an Intel OverDrive processor Alternatively for the 25 MHz system you can install a 487SX microprocessor with a built in math coprocessor An OverDrive processor is a CPU chip which doubles the internal processing speed of the microprocessor and includes a built in math...

Страница 93: ...icroprocessor socket on the system board You can install the OverDrive processor or 487SX chip directly in this socket however you need to remove the current microprocessor first To remove the microprocessor chip follow the instructions in the next section When you install an OverDrive processor you need to change the jumper setting of J4 to position A After you install the processor and replace t...

Страница 94: ...tion the puller between the processor chip and the socket You can also use a small flat edged screwdriver instead of a chip puller Carefully wedge the tip of the screwdriver between the processor chip and the socket Gently turn the screwdriver until the chip begins to separate from the socket Move the screwdriver to another side of the processor chip and again turn it until the chip separates from...

Страница 95: ...s shown below dot 6 Make sure the pins in the processor chip are directly over the holes in the socket Then gently push the processor straight into the socket pressing evenly on all sides 7 Check the tables on page 4 7 to see if you need to change any jumper or DIP switch settings for the processor you are installing 4 24 Instailing and Removing Options ...

Страница 96: ...upported video ZIP chips Manufacturer Goldstai Micron Samsung Part number GM7 1 C4256AZ 70 MT4C42562 6 MT4C4256Z 7 KM44C256CZ 6 KM44C256CZ 7 Installing the Video Memory Chips You need four ZIPS to install the optional memory For the memory to work properly you must install one chip in each of the empty video memory sockets on the system board Follow these steps 1 Locate the memory chip sockets on ...

Страница 97: ...heir package and inspect each one The pins should point inward at slightly less than a 90 angle If any of the pins are bent straighten them gently with your fingers or with small tweezers to align them with the other pins Be careful when you do this the pins are fragile and can break off easily 4 Position one of the ZIPS over the first socket VM03 as shown below aligning the pins on the chip with ...

Страница 98: ...AM The real time clock keeps track of the time for your computer and the CMOS RAM stores the information about your system configuration that was saved by the SETUP program This battery lasts approximately three to five years If it loses power you see an error message when you turn on or reset your computer Contact your Authorized Epson Servicer or Epson Accessories to get a replacement battery or...

Страница 99: ... next to the drive bay 2 To disconnect the battery from the main system board unplug the connector from socket CN3 BAT as shown below 3 The battery is attached to the computer base with Velcro To remove it pull it up from the bottom of the computer case as shown in the following illustration Then set it aside 4 28 Installing and Removing Options ...

Страница 100: ...4 Remove the new battery from its package and position it so the Velcro faces down and the cable faces the power supply Then push it down onto the bottom of the case Installing and Removing Options 4 29 ...

Страница 101: ...nector CN3 6 Follow the steps on page 4 31 to replace the computer s cover Then run SETUP to reconfigure your system and reset the date and time for the real time clock See Chapter 2 for instructions 4 30 Installing and Removing Options ...

Страница 102: ...Facing the front of the computer position the cover so the lip on its bottom edge slides under the guiderails along both sides of the computer case as shown below 2 Lower the cover and slide it straight back over the computer until it cannot go any farther Installing and Removing Options 4 31 ...

Страница 103: ...lectrical outlet Post installation Procedures After you install or remove options such as memory modules or a new processor you must run SETUP to update the computer s configuration See Chapter 2 for instructions Additionally you may need to add some commands to your configuration files See your operating system manual and the manual that came with your optional equipment for instructions 4 32 Ins...

Страница 104: ...f devices including diskette drives hard disk drives a CD ROM drive or a tape drive Although your drive may look different from the ones illustrated here you should be able to install it the same way If you are installing or removing a non Epson drive some of the steps in this chapter may not apply see the documentation that came with your drive for more information Installing and Removing Drives ...

Страница 105: ...ith your system If your system came with only one diskette drive you can install an additional device of one of the following types in the lower horizontal drive bay q 5 inch wide diskette drive dual diskette drive tape drive CD ROM drive or other storage device q 3 inch wide hard disk drive with mounting frames attached to it 5 2 Installing and Removing Drives ...

Страница 106: ...computer s cover as described on page 4 4 Then see the table below for instructions you should follow next in this chapter To See Install a hard disk drive Setting the Hard Disk Drive Jumpers on page 5 4 Install a diskette drive or other device in a horizontal drive bay other device from a horizontal Remove a hard disk drive from Page 5 14 the vertical bay I After you install or remove your drive ...

Страница 107: ...ngs then follow the instuctions below If you install a second hard disk drive you must set the jumpers on both drives to indicate which drive is the master primary drive and which is the slave secondary drive A master drive is the drive on which you ll install the operating system that the computer loads into its memory each time you turn it on You can run application programs and store data on bo...

Страница 108: ...alling the hard disk drive in the vertical drive bay q Connecting the cables Before you install a hard disk drive be sure to check the jumpers on the drive For instructions see page 5 4 Removing the Mounting Frames Your hard disk drive may have mounting frames attached to it as shown below You need to remove these frames before you can install the drive in the vertical bay mounting frames Installi...

Страница 109: ...plate attached to one of the mounting frames If so remove the screws securing them to the mounting frame as shown below and remove the guiderail and grounding plate metal grounding plate 2 Then remove the two screws securing each mounting frame to the drive and remove the frames as shown below 5 6 Installing and Removing Drives ...

Страница 110: ...the mounting plate in the vertical drive bay Follow these steps 1 Remove the screw securing the mounting plate to the horizontal drive bays and set it aside Then slide the mounting plate in the direction of the arrow and lift it out horizontal drive bays Installing and Removing Drives 5 7 ...

Страница 111: ...d align the four holes in the plate with the four holes in the drive as shown below The bracket on the mounting plate should be on the opposite side of the connector end of the drive 3 Use the four screws that came with the hard disk drive or with your computer to secure the mounting plate to the drive 5 8 Installing and Removing Drives ...

Страница 112: ...ntal drive bays with the bracket over the top and the connectors face the back of the computer as shown below brackel The two tabs at the bottom of the mounting plate should be just above the two slots in the computer case Installing and Removing Drives 5 9 ...

Страница 113: ... computer case Slide the drive in the direction of the arrow until the hole in the bracket is aligned with the hole on top of the horizontal drive bays bracket 6 Secure the mounting plate with the screw as shown above 5 10 Installing and Removing Drives ...

Страница 114: ...should be connected to the main system board Locate the free connector on the end of this cable If there is a hard disk drive in the lower horizontal bay the middle connector is attached to that drive 3 Notice the small tab in the middle of the cable connector align this tab with the notch in the hard disk drive connector as shown in the following illustration Note When the hard disk drive ribbon ...

Страница 115: ...4 Make sure the holes in the cable connector fit over all the pins in the hard disk drive connector then push in the connector 5 22 Installing and Removing Drives ...

Страница 116: ...our drive requires a small power supply cable connector use the small connector 6 Position the power supply cable connector so that its notched corners line up with the notched corners of the power supply connector on the hard disk drive Make sure the holes fit over all the pins and then push in the connector firmly Caution If you do not align the cable connector correctly you could severely damag...

Страница 117: ...the cable connectors and pull them straight out from the connectors on the hard disk drive so you do not bend the pins do not pull on the cables 2 Remove the retaining screw securing the hard disk drive and mounting plate to the horizontal drive bays Then slide the hard disk drive and mounting plate in the direction of the arrow shown in the following illustration and lift them out of the computer...

Страница 118: ...g with the four screws 5 If you removed your computer s only hard disk drive disconnect the hard disk drive ribbon cable from the main system board and store it as well If you removed one hard disk drive and are leaving another one in the computer you need to set the jumpers on the remaining drive to indicate that you now have only one hard disk drive For the correct settings see the documentation...

Страница 119: ...ck the jumpers on the drive For instructions see page 5 4 Depending on the type of drive you are installing you may need to attach mounting frames to it before you install it in a horizontal bay Follow these guidelines q If you are installing a diskette drive skip to Installing the Drive on page 5 18 q If you install a hard disk drive that has a 3 5 inch form factor it must have mounting frames to...

Страница 120: ...with the drive 2 As shown below place a mounting frame on top of one side of the drive and align it so that the holes in the drive are approximately in the middle of the oval holes in the frame Then secure the mounting frame to the drive with the two screws 3 Repeat step 2 to attach a mounting frame to the other side of the drive Installing and Removing Drives 5 17 ...

Страница 121: ...iderails and six screws that came with the computer 2 Using the appropriate screw holes attach one guiderail to each side of the drive or each mounting frame if attached as shown below The bracket on the guiderail should be on the opposite side of the connector end of the drive 5 18 Installing and Removing Drives ...

Страница 122: ...eps 4 If you are installing a 5 25 inch diskette drive hold it so that the diskette release latch is above the diskette slot If you are installing a 3 5 inch diskette drive or a 5 25 inch dual drive hold it so that the diskette release button s are on the right and the drive light is on the left If you are installing a hard disk drive hold it so that the component side faces down and skip to step ...

Страница 123: ...uter case with the two retaining screws notch guiderail 6 If you are installing a diskette drive in the lower bay you need to remove the faceplate on the computer s front panel because it covers this bay Turn the cover over and locate the faceplate Remove the screws securing the faceplate to the inside of the computer s cover and remove the faceplate as shown in the following illustration 5 20 Ins...

Страница 124: ...on page 5 22 7 To insert a hard disk drive align the guiderails on each side of the drive with the notches on each side of the drive bay and slide the drive all the way into the bay as shown below Secure the guiderails to the computer case with the two retaining screws notch guiderail Installing and Removing Drives 5 21 ...

Страница 125: ...ted to the system board If you are installing a second diskette drive in the lower horizontal drive bay the other end of the cable is connected to the top diskette drive use the middle connector If you are installing a diskette drive in the upper bay use the free end connector The diskette drive connector that extends from the back of the drive has gold contacts on both sides Grasp the cable conne...

Страница 126: ...hard disk drive in the vertical drive bay use the free middle cable connector to connect the second hard disk drive as described below If you are installing your computer s first hard disk drive you need to connect the hard disk drive ribbon cable to the system board now Follow the instructions on page 5 30 and then use the middle cable connector to connect the hard disk drive as described below N...

Страница 127: ...ver all the pins in the hard disk drive connector then push in the cable connector 3 Locate one of the power supply cables that lead from the power supply behind the horizontal drive bays The power supply cables may be secured in a plastic band on the side of the power supply If so unfasten the band to access the cables you can use any one that is free If your drive requires a small power supply c...

Страница 128: ... s power supply connector as shown below Make sure the holes fit over all the pins and then push in the connector diskette drive notched corners hard disk drive notched Caution If you do not align the cable connector correctly you could severly damage your drive when you push it in Installing and Removing Drives 5 25 ...

Страница 129: ...me instructions to remove a diskette drive from the upper bay Follow these steps to remove a drive from a horizontal bay 1 Disconnect the drive ribbon cable and power supply cable from the back of the drive as shown below Grasp the cable connectors and pull them straight out from the connectors on the drive so you do not bend the pins do not pull on the cables diskette drive 5 26 Installing and Re...

Страница 130: ...hard disk drive 2 Remove the two retaining screws securing the drive to the drive bay Then grasp the front of the drive and pull it completely out of the bay Installing and Removing Drives 5 27 ...

Страница 131: ...rails and screws from the drive and use them to install the other drive as described in Installing a Drive in a Horizontal Bay on page 5 16 5 Wrap the drive in its original packing materials and store it in a safe place 6 If you removed your computer s only hard disk drive disconnect the hard disk drive ribbon cable from the system board and store it as well 5 28 Installing and Removing Drives ...

Страница 132: ...documentation that came with the drive for the correct jumper settings 7 If you removed a diskette drive from the lower bay and you are leaving the bay empty or installing a hard disk drive in it you need to replace the front panel faceplate on the computer s cover Secure the faceplate to the inside of the computer s cover with the two screws as shown below Installing and Removing Drives 5 29 ...

Страница 133: ...on cable to the system board 1 Locate the hard disk drive connector on the system board As shown below it is next to the diskette drive connector between the option card connector board and the power supply The diskette drive ribbon cable is removed from the illustration for clarity 5 30 Installing and Removing Drives ...

Страница 134: ... board connector 3 Select the connector on the end of the longest part of the cable the main system board connector Notice the small tab in the middle of the cable connector as shown in the illustration above Align the connector so that the tab aligns with the notch as shown below The option card connector board and diskette drive ribbon cable are removed from the illustration for clarity notch In...

Страница 135: ...ll the pins in the system board connector then push in the cable connector If you do not correctly align the holes with the pins you could severely damage your system board when you 5 If you removed the option card connector board and diskette drive ribbon cable replace them now To connect the diskette drive ribbon cable align the tab on the cable connector with the notch in the system board conne...

Страница 136: ...to control it you need to run the SETUP program to disable the built in IDE hard disk drive interface 3 You may need to format the drive before you can use it All Epson drives are sold already formatted Check the manual that came with the drive to see if it is already formatted If not follow the manufacturer s instructions to format the drive 4 If you want to be able to load your operating system ...

Страница 137: ...es monitor and option cards and the names and version numbers of any software programs you are using You can find the computer s serial number on its back panel If you are able to use your computer follow the steps below to obtain information about your configuration as well as the version numbers of your system BIOS and MS DOS or other operating system 1 Turn on your computer or press to reset it...

Страница 138: ...r computer runs automatically every time you turn it on These programs check internal devices such as ROM RAM the timer the keyboard controller and the hard disk drive When the system detects an error that isn t serious such as an incorrectly defined diskette drive you see an error message and the following prompt Press Fl to run SETUP or F2 to continue Write down the error message and press to co...

Страница 139: ...ect save them as you exit the SETUP program If you see the message again or if your settings returned to the factory defaults contact the Epson Connection DISK BOOT FAILURE INSERT SYSTEM DISK AND PRESS ENTER The system found no boot device First run the SETUP program and check the boot sequence settings If the settings are correct and you are booting from a hard disk drive see Hard Disk Problems I...

Страница 140: ...sk CONTROLLER drive controller See Hard Disk Problems DIAGNOSTICS ERROR HARD DRIVE SECTOR Your hard disk drive may be damaged Contact VERIFY ERROR the Epson Connection KEYBOARD ERROR Your keyboard may not be connected correctly OR NO KEYBOARD See Keyboard Problems PRESENT MEMORY ERROR DURING MEMORY TEST Your SlMMs may not be installed correctly See Memory Module Problems NON SYSTEM DISK OR DISK ER...

Страница 141: ... and turn off the power Make sure the power cord is securely connected to both the AC inlet on the back panel and an electrical outlet Replace your main operating system diskette if necessary and turn on the computer again 2 If the power light still does not come on check the electrical outlet for power Turn off your computer unplug the power cord and plug a lamp into the outlet Turn it on to see ...

Страница 142: ...ed to the next step 2 If you have just made a change in your system configuration your computer may take a few minutes to complete its power on diagnostics The first time you turn on your computer after making such a change it can take several minutes to finish its self test depending on what you changed If the computer does not display the operating system prompt after five minutes turn it off wa...

Страница 143: ...ystem diskette in drive A then turn on the computer It should load the operating system 9 If you installed a display adapter card and did not connect it to the feature connector on the main system board you must set jumper J3 to disable the built in VGA adapter Otherwise you will not see any display on the screen See Changing the Jumper and DIP Switch Settings in Chapter 4 Restoring the Power Supp...

Страница 144: ...ng the overheating allow the computer to cool down for at least five minutes at room temperature about 78 F or 25 C 4 If you removed the computer s cover replace it now See Chapter 4 for instructions Then turn on the computer If the power supply shuts off again contact the Epson Connection for assistance Password Problems If you have any trouble using your password try the following 1 If you think...

Страница 145: ...tion 3 Set Password options then press If you do not want to set a new password go to step 9 If you want to set a new password go to step 8 To set a new password set the Password State option to Installed and press Type a new password at the prompt and press You must enter it twice See Chapter 2 for more information Now go to step 10 To disable the password press until the Password State option is...

Страница 146: ...the Num Lock upper right corner of the keyboard is lit press to turn off the function If you want to change the initial num lock setting see Setting the NumLock Boot Status in Chapter 2 4 If you still have trouble with the keyboard contact the Epson Connection for assistance Monitor Problems For monitor problems check the following 1 If there is no display on the screen check that the monitor s po...

Страница 147: ...ly See Installing an Option Card in Chapter 4 and your monitor and display adapter card manuals for instructions If you are running an application program see if you need to set up the program for the type of monitor and display adapter you have Also make sure you are using the appropriate monitor and display adapter for your software 7 If you installed a display adapter card and did not connect i...

Страница 148: ...trouble may be in your diskette drive See Diskette Drive Problems below 3 Have you inserted the right type of diskette For example are you trying to read a 1 44MB diskette in a 720KB diskette drive 4 Is the diskette write protected On a 3 5 inch diskette the write protect switch may be set to the write protect position or there may be no switch On a 5 25 inch diskette there may be a write protect ...

Страница 149: ...d diskette to a new diskette 7 If you see no error messages but there is something wrong with the data in a file the operating system or an application program may have updated the storage information on the diskette incorrectly This is probably the case if you have one of these problems q Part of a file is missing q A file includes parts of other files q An expected output file is missing If you ...

Страница 150: ...am and configure the correct type of diskette drive for your system See Chapter 2 for instructions 4 If the diskette drive is making loud or unusual noises do not attempt any further examination of it Contact the Epson Connection for assistance Hard Disk Problems If you have a problem with a hard disk it could be the result of improper installation incomplete disk preparation or corrupted data Con...

Страница 151: ...er with the Peripherals SETUP option in SETUP If you connected the IDE drive to a controller on an option card be sure you set the built in controller to Disabled See Chapter 2 for instructions 4 If you installed a non IDE hard disk drive was it physically formatted by the manufacturer A blank new hard disk must be physically formatted or initialized before you can partition it and install an oper...

Страница 152: ... format it for MS DOS or for another operating system but you do not copy the operating system to the drive you will not be able to load the operating system from the hard disk If you are sure the hard disk was installed properly and you prepared it for use as described above but you cannot access the drive review the instructions in your operating system manuals Make sure you performed each step ...

Страница 153: ...es not start check that you are following the correct procedure for starting the program and that it is installed correctly If you have a hard disk and the program is stored in a directory on that drive make sure you are logged onto or specifying the correct directory If you don t have a hard disk make sure you inserted the correct diskette in drive A 2 Your computer can run at fast or slow speed ...

Страница 154: ...seconds and turn it back on Then restart your application program If none of these solutions solve your software problem contact the software manufacturer for technical support Printer Problems Below are some general steps to follow if you have difficulty with your printer If the problem persists and you need more detailed information check your printer manual You see a port error message if you a...

Страница 155: ...and press This should print the contents of the screen on your printer If it does not you may need to change the internal setting of the computer s parallel port for a parallel printer or serial port for a serial printer To do this use the MS DOS MODE or SETMODE command See your printer manual and MS DOS documentation for more details 5 Many application programs such as word processors must be set...

Страница 156: ...rogram to update your computer s configuration after installing the card See Chapter 2 5 If you used the option card to add an external device to your computer did you use the proper cable to connect the device to the card 6 Did you perform the correct setup procedures for the software you are using with the option card See your option card or software manual for instructions Mouse Problems If you...

Страница 157: ...operating properly check the following 1 If the memory count displayed by the power on diagnostics program is incorrect you may not have installed the SIMMs correctly They may be the wrong type of SIMM or they may not be inserted all the way See Memory Modules SIMMs in Chapter 4 and make sure you followed all the instructions 2 Be sure to run the SETUP program after you install or remove memory mo...

Страница 158: ...t correctly See Changing the Jumper and DIP Switch Settings in Chapter 4 for instructions 3 If you still have trouble with your external cache write down any error messages that appear and contact the Epson Connection for assistance Battery Problems The battery in your computer is a 3 6 volt lithium battery It should last from three to five years before you need to replace it When the batterys lif...

Страница 159: ...ory access at high speed Memory 4MB RAM standard soldered on the system board expandable to 36MB maximum using 1 MB 4MB or T6MB SIMMs SlMMs must be 36 bit 72 pin fast page mode type with 70ns or faster access speed ROM 128KB system BIOS video BIOS and SETUP code located in EPROM on main system board video RAM Shadow RAM 512KB on main system board expandable to 1 MB Supports shadowing of system and...

Страница 160: ...connector Parallel One standard 8 bit parallel uni or bi directional interface built into main system board I O address selectable through SETUP 25 pin D shell connector Serial Two RS232C programmable asynchronous interfaces built into main system board 9 pin D shell connector Keyboard PS 2 compatible keyboard interface built into main system board num lock setting selectable through SETUP 6 pin m...

Страница 161: ... 44MB high density capacity 5 25 inch 360KB double density capacity 3 5 inch 720KB double density capacity Dual diskette drive 3 5 inch 1 44MB and 5 25 inch 1 2MB 3 inch form factor hard disk drive s up to half height size the first mounted vertically second mounted horizontally Half height tape drive CD ROM or other storage device 5 inch or 3 inch with mounting frames Physical Characteristics Wid...

Страница 162: ...nts Condition Operating range Non operating range Storage range Temperature 41 t0 90 F 4 to140 F 4 to 140 F 5 to 32 C 20 to 60 C 20 to 60 C Humidity 20 to 90 10 to 90 10 to 90 non condensing Altitude 330 to 9 900 ft 330 to 39 600 ft 330 to 39 600 ft 100 to 3 000 m 100 to 12 000 m 100 to 12 000 m Maximum wet bulb Acoustical noise 68 F 20 C 37 5 dB A 104 F 134 F 40 C 57 C N A N A A 4 Specifications ...

Страница 163: ...Power Source Requirements 120 Volt power source requirements 240 Volt power source requirements Specifications A 5 ...

Страница 164: ...System Memory Map A 6 Specifications ...

Страница 165: ...infinite number of colors or gray shades Application program A software program that performs a specific task such as word processing Note that an application program is different than an operating system which controls the computer s hardware and software Asynchronous Data transmission in which one machine sends data to another one character at a time at intervals that do not need to be synchroni...

Страница 166: ...are components and between the hardware and your operating system Boot The process a computer performs to check its components and then load the operating system into memory Bus A wire or group of wires that sends information between components in the computer The speed of a bus increases by the number and width of the channels the bus uses to move data Cache A high speed memory buffer that stores...

Страница 167: ...omplementary Metal Oxide Semiconductor A low power silicon chip used for RAM and switching applications that is backed up by a battery Command prompt The symbol or message that displays on the screen to tell you that the operating system is loaded and ready to receive instructions The default MS DOS command prompt displays the current drive and directory If you are logged onto drive C the command ...

Страница 168: ...data and controls input and output operations See also Microprocessor Cursor The highlighted marker or pointer that shows where keystrokes will appear when typed or where the next mouse command will be executed Cylinders The vertical alignment of tracks in a hard disk that can be lined up under one read write head The number of tracks on a disk is equal to the number of cylinders times the number ...

Страница 169: ...tory A group of files stored in a particular area on a disk A directory listing shows the name location and size of the files in the directory A directory can contain both files and subdirectories Display adupter card A circuit board that can be installed in one of the computer s option slots to control the way a monitor displays text and graphics A VGA display adapter is built into your computer ...

Страница 170: ...y Memory that specially written MS DOS programs can use when an expanded memory manager program maps that memory into an accessible area See also Memory manager Extended memory Memory above 1MB that is accessed by 386 or 486 microprocessors when they are operating in protected or virtual mode This memory is available to OS 2 programs but is available to MS DOS only if an extended memory manager pr...

Страница 171: ...rface on the main system board for up to two IDE hard disk drives lnterface A physical or software connection used to transmit data between equipment or programs so they can work with each other Jumper A small moveable plug that connects two pins on a device s circuit board Jumpers alter the operation of a particular function Key disk A diskette containing a copy protected program that must remain...

Страница 172: ...ing floating point numbers instead of whole numbers Megabyte MB A unit used to measure storage space in a computer s memory or on a disk One megabyte equals 1024KB kilobytes Megahertz MHz A unit used to measure oscillation frequency such as that of a computer s internal clock A megahertz is one million cycles per second Memory The area where your computer stores data Memory contents are stored per...

Страница 173: ...EModulator A device that allows a computer to transfer data to and from another computer by transmitting signals over telephone lines Monochrome monitor A monitor that displays in only one color such as green white or amber Mouse A hand held pointing device with one or more buttons Sliding the mouse over a surface moves the cursor in the same direction on the screen Pressing or clicking a mouse bu...

Страница 174: ...S 2 or UNIX provides the foundation for the other programs and controls hardware resources Option curd A circuit board you can install inside the computer to provide additional capabilities such as a modem or an additional I O port Option cards plug directly into option slots so you do not have to alter a computer s circuitry to enhance your system OS 2 Operating System 2 The operating system deve...

Страница 175: ...xample the pathname for the file SALES stored in the subdirectory BUSINESS is BUSLNESS SALES Peripheral device An external device such as a printer or a modem connected to a computer that depends on the computer for its operation Port A physical socket on a computer to which you can connect a peripheral device Power on diagnostics Tests stored in a computer s ROM that the computer runs to check it...

Страница 176: ...ta from the disk and displays it on the screen See also Write Read write head The physical device inside a disk or tape drive that reads data from and writes data to the magnetic surface of the disk or tape Real time clock A clock inside the computer that keeps track of the time and date even when the computer is turned off by using power from a backup battery Refresh rate The frequency with which...

Страница 177: ... You can connect an RS 232C device to either of the computer s RS 232C serial ports Serial The type of communication that transmits data from a serial interface to a serial device over a single wire See also Interface and Parallel Shadow RAM The feature in your computer that copies the contents of the system video and external BIOS ROMs into the RAM area of memory to speed up processing SIMM See M...

Страница 178: ...deo Graphics Array A high resolution display adapter that provides a variety of video modes Your computer s built in VGA controller supports resolutions up to 1280 x 1024 on a compatible monitor depending on the amount of video RAM Video curd See Display adapter card Write To transfer data to a storage device such as a disk or an output device such as a monitor or printer See also Read Write prote...

Страница 179: ...dapter see Video cards option see Option cards video see Video cards CD ROM drive Intro 3 5 l 2 A 3 CGA adapter 2 10 4 14 Chips video memory Intro 3 4 25 27 A l 2 CHKDSK command 6 13 Clock calendar A l CMOS battery 4 27 30 6 22 CMOS RAM 2 2 4 27 COMl 2 14 COM2 2 14 Command stopping 3 15 6 18 Configuration computer 1 14 2 l 2 6 1 2 Connecting diskette drive cable 5 22 25 hard disk drive cable 5 11 ...

Страница 180: ...messages 6 2 6 13 faceplate 5 21 5 29 inserting diskettes in 3 9 6 12 installing 5 16 25 location 5 2 Diskette drive post installation 5 33 power supply cable 5 24 25 precautions 3 12 problems 6 12 14 read write heads 3 12 release button 3 9 removing diskettes from 3 9 removing from computer 5 26 29 seek test SETUP 2 12 SETUP option 2 5 single 3 10 specifications 3 4 6 A 3 types 3 4 6 Diskette s b...

Страница 181: ...matting diskettes 3 11 6 12 hard disk 3 13 5 33 6 15 16 G Graphics cards see Video cards Grounding plate metal 5 6 5 16 Grounding yourself 4 23 4 26 H Half height drive A 3 Hard disk drive accessing data on 6 16 17 backing up 3 13 6 14 cable 5 ll 15 5 22 25 5 30 32 caring for 3 13 configuration 2 6 9 5 33 6 15 16 connector 5 30 controller Intro l 6 4 5 error messages 6 4 5 formatting 3 13 5 33 6 1...

Страница 182: ...4 14 6 20 OverDrive processor 4 7 4 22 password 4 7 6 9 processor type 4 7 4 22 VGA adapter built in 4 6 7 4 14 6 11 K K B port l 8 Keyboard commands 3 14 16 3 19 connecting 1 8 error messages 6 4 hot key 2 16 3 17 18 interface Intro l l 8 A 2 key delay 2 13 key rate 2 13 lock 2 16 3 17 18 num lock mode 2 13 6 10 A 2 port Intro l 1 8 A 2 problems 6 10 security 2 16 3 17 18 SETUP options 2 13 speci...

Страница 183: ...ver 6 21 interface Intro l 1 9 A 2 port Intro l l 9 A 2 problems 6 20 21 MS DOS batch files 4 32 copying files 3 10 6 16 error messages 6 13 printer commands 6 19 single diskette drive system 3 10 stopping commands 3 15 3 19 6 18 version number 6 l 2 Multi media adapter card see Video cards N Noise acoustical A 4 Non IDE hard disk drive 2 14 5 33 6 15 Numeric coprocessor Intro l Intro 3 4 21 24 Nu...

Страница 184: ... supply cables 5 13 5 24 25 problems 6 7 8 specifications A 4 Primary drive 5 4 Primary port 2 14 6 19 Printer connecting l 5 7 DIP switches 6 19 parallel interface l 5 6 2 14 6 18 19 A 2 problems 6 18 19 serial interface l 7 2 14 6 19 A 2 SETUP options 2 14 Processor DIP switches 4 7 installing 4 21 24 jumper 4 7 4 22 locating 4 3 numeric Intro l Intro 3 4 21 24 OverDrive Intro 3 4 21 24 replacin...

Страница 185: ...e 2 6 9 2 14 keyboard lock 2 16 keyboard options 2 13 main board help 2 l7 memory 2 4 mouse 2 14 option cards 2 9 10 4 14 password 2 15 16 peripherals 2 14 SETUP program printer 2 14 processor speed 2 l1 running 2 3 serial port s 2 14 shadow ROM 2 12 13 SIMMs 2 l7 time 2 5 shadow RAM Intro l 2 12 13 A l A 6 SHIFT PRINTSCREEN 6 19 SIMMs installing 4 10 12 locating 4 3 problems 6 24 removing 4 13 SE...

Страница 186: ...per 4 6 7 4 14 6 l 1 memory requirements 4 17 port Intro l 2 1 24 2 9 10 A 2 resolutions Intro 2 4 17 4 25 A 2 specifications A 2 utilities Intro 2 2 19 VGADRV TXT Intro 2 2 19 Video BIOS Intro l A l A 6 Video cards configuring 2 10 4 14 display adapter see VGA display adapter feature connector 4 17 18 high resolution graphics Intro 2 4 17 installing 4 14 16 jumpers 4 7 4 14 multi media Intro 2 4 ...

Страница 187: ...st N S W 2086 Australia Phone 2 452 0666 Fax 2 451 0251 Telex 71 75052 Epson Italia s p a V le F lli Casiraghi 427 20099 Sesto S Giovanni Milano Italy Phone 2 262331 Fax 2 2440641 or 2 2440750 Telex 315132 Epson Canada Ltd 95 Mural Street Suite 600 Richmond Hill Ontario L4B 3G3 Canada Phone 416 881 9955 Fax 416 881 5765 Epson Iberica S A Avda de Roma 18 26 08290 Cerdanyola de1 valles 08036 Barcelo...

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Epson Endeavor 468C, Руководство пользователя

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