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Changing the Jumper Settings

The main system board in your computer has a number of

jumpers which control certain functions. These jumpers are

preset at the factory to default positions; however, you can alter

the following functions by changing the standard settings:

Enable or disable the built-in VGA display adapter

Set the computer to use a CGA or other type of display

adapter

Reset the CMOS RAM settings to the factory defaults

Enable or disable the PQFP (surface-mounted)

microprocessor on some 486SX/25 systems

Change the microprocessor type (if you upgrade your

system with a new microprocessor)

Change the processor speed.

If you need to change any jumper settings, or if you want to

check the current settings, follow the instructions in this section.

The following tables list the jumper settings and their functions.

2-6

Installing and Removing Options

Содержание Endeavor

Страница 1: ...EPSON Endeavor User s Guide Daily usage options diagnostics and troubleshooting ...

Страница 2: ...a circuit different from that to which the receiver is connected 0 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 a9 This manual is printed on recycled paper and is 100 recyclable ...

Страница 4: ...ored in a retrieval system or 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 an...

Страница 5: ...or heat register Operate the computer using the type of power source indicated on its label 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 sich...

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 pres d une source de chaleur directe Le fonctionnement de l ordinateur doit s effectuer conformément au type de source d alimentation indiquée sur l etiquette Lorsqu on desire utiliser l ordinateur en Allemagne on doit observer les normes sécuritaires qui suivent Afin d assurer une protection adequate a l ordinateur contre les court circuits et le survo...

Страница 8: ...ce de cet appareil à un technicien qualifié 14 Debrancher l ordinateur de la prise murale et confier le service au personnel de service qualifie selon les conditions qui suivent A Lorsque le cordon d alimentation ou la prise sont endommagés B Lorsqu un liquide s est infiltré dans l ordinateur C Lorsque l ordinateur refuse de fonctionner normalement meme en suivant les instructions N ajuster que le...

Страница 9: ...Drives How Disks Store Data Types of Diskette Drives Caring for Diskettes and Diskette Drives Write protecting Diskettes Inserting and Removing Diskettes Using a Single Diskette Drive System Formatting Diskettes Making Backup Copies Using a Hard Disk Drive Special Keys on the Keyboard Stopping a Command or Program Resetting the Computer Using a Password Changing or Deleting a Password l 2 l 5 1 5 ...

Страница 10: ...ing the Option Card Connector Board 2 21 Replacing the Option Card Connector Board 2 22 Installing a New Processor Chip 2 23 Increasing the Video Memory 2 24 Installing the Memory Chips 2 24 Using the Alternate VGA Interface 2 26 Using a Display Adapter Card 2 28 Replacing the Cover 2 29 Post installation Procedures 2 30 Chapter 3 Installing and Removing Drives How to Use This Chapter 3 3 Setting ...

Страница 11: ...nostics Starting the Program 4 2 Deleting Tests 4 3 Adding Tests 4 4 Running Tests 4 5 Resuming From an Error 4 6 System Diagnostic Tests 4 7 Error Messages 4 8 Chapter 5 Formatting a Hard Disk Starting the Program 5 2 Formatting a New Disk 5 3 Reformatting a Used Disk 5 3 Selecting an Option 5 3 Selecting a Drive 5 4 Option 1 Format 5 4 Modifying the Defective Track Table 5 6 Formatting the Disk ...

Страница 12: ...rive Problems 6 17 Hard Disk Problems 6 18 Installing the Drive 6 18 Preparing the Drive 6 19 Accessing Data on the Drive 6 20 Software Problems 6 21 Printer Problems 6 22 Option Card Problems 6 23 Mouse Problems 6 24 Memory Module Problems 6 25 Appendix A Specifications CPU and Memory A l Controllers A 2 Interfaces A 3 Mass Storage A 4 Keyboard A 4 Physical Characteristics A 5 Power Supply A 5 En...

Страница 13: ...ssor cache 512KB or 1MB of on board video memory 512KB systems are expandable to 1MB Math coprocessor built into the 486DX 33 and 486DX2 50 microprocessor chips 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 Four 16 bit or 8 bit ISA option slots Support for up to three internal mass storage devices Password security ...

Страница 14: ... colors and 640 x 480 in 16 8 million colors for some applications VGA Utilities Your computer comes with special MS DOS VGA drivers and utilities for use with the integrated VGA interface With these utilities you can take advantage of extended VGA features such as high resolutions and 132 column text mode when you run popular application programs See the VGA Utilities Guide for installation instr...

Страница 15: ...s much faster Math Coprocessor If you have the 486SX 25 you may want to install an 80487SX 25 MHz coprocessor This optional microprocessor includes a built in math coprocessor so your computer can perform mathematical functions faster AIternate VGA lnterface If you want to install a high resolution graphics adapter card for additional graphics capabilities such as 1280 x 1024 resolutions you can c...

Страница 16: ...emove and replace the computer s cover change jumper settings and install optional equipment such as option cards and memory modules Chapter 3 explains how to install and remove disk drives Chapter 4 provides instructions for running system diagnostics Chapter 5 gives the procedure for formatting a hard disk Chapter 6 contains troubleshooting tips Appendix A lists the specifications of your comput...

Страница 17: ... computer on and off Ll Using disks and disk drives 0 Using special keys on the keyboard Q Stopping a command or program Cl Resetting the computer CI Using a password 0 Changing the processor speed Cl Preparing a hard disk for moving CI Using AUTOEXEC BAT and other batch files Using Your Computer l l ...

Страница 18: ...urself Do not connect or disconnect any peripheral device cables including the mouse or keyboard or power cables when the computer s power is on Never turn on the computer with a protective card in a 5 25 inch diskette drive Never turn off or reset your computer while a disk drive light is on This can destroy data stored on the disk Always wait at least 20 seconds after you turn off the power befo...

Страница 19: ...formation 3 To turn on the computer press the power button located on the right side of the front panel as shown below power SPEED indicator power button The power indicator lights up After a few seconds the computer displays a count of its system memory and then performs its power on diagnostics This is a series of checks the computer runs each time you turn it on to make sure everything is worki...

Страница 20: ... of the Setup Guide for instructions If you do not want to run SETUP do nothing After about five seconds your computer either loads the operating system from the hard disk or the diskette in drive A or if you ve set a System Access password it prompts you for your password When you enter the correct password your computer loads the operating system What happens next depends on how your computer is...

Страница 21: ...Press the power button to turn off the computer and then turn off any peripheral devices monitor printer etc Using Disks and Disk Drives The disk drives in your computer allow you to store data on disk and then retrieve and use your stored data This section explains how disks work and tells you how to Cl Use different types of diskettes and diskette drives Cl Care for your diskettes and diskette d...

Страница 22: ... dust and dirt A hard disk stores data the same way that a diskette does but it works much faster and has a much larger storage capacity All disks are divided into data storage compartments by sides tracks and sectors Double sided diskettes store data on both sides On each side are concentric rings called tracks on which a disk can store data A disk is further divided by sectors which can be visua...

Страница 23: ...the position under the read write head where the data is to be written A diskette has an exposed area where the read write head can access it Because data is stored magnetically you can retrieve it record over it and erase it just as you play record and erase music on a cassette tape Types of Diskette Drives The following list describes the types of diskette drives you can use in your computer and...

Страница 24: ...ettes These diskettes contain 40 tracks per side and 8 or 9 sectors per track With 8 sectors per track a diskette holds up to 320KB With 9 sectors per track a diskette holds up to 360KB of information approximately 150 pages of text Note You must format a new diskette before you can store data on it See Formatting Diskettes later in this section Drive and diskette incompatibilities If your compute...

Страница 25: ...sure you include the correct parameter in your format command See your operating system manual for instructions If you have any combination of the above drives 1 MB 1 2MB 720KB or 360KB and you are using MS DOS you can copy files from one drive to another using COPY or XCOPY as long as the correct diskette type is in each drive You can also use these commands to copy files between a hard disk and ...

Страница 26: ... drive or reset or turn off the computer while the drive light is on This light indicates that the computer is copying data to or from a diskette If you interrupt this process you can destroy data Keep diskettes in a moderate environment Don t leave them sitting in the sun or in extreme cold or heat because this can destroy the data Q Keep diskettes away from dust and dirt Small particles of dust ...

Страница 27: ...ou need to write on a label that is already on the diskette use only a soft tip pen not a ballpoint pen or a pencil 0 Carefully label your diskettes and indicate the type and density Do not stick several labels on top of one another this can make it difficult to insert and remove the diskette in the drive Store diskettes in their protective envelopes and in a proper location such as a diskette con...

Страница 28: ...tch on the back of the diskette in the lower right comer 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 comer To remove the write protection slide the switch toward the center of the diskette until it clicks into position and the hole is covered Note A high density 3 5 inch diskette has an addit...

Страница 29: ...ite 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 Note Some program diskettes have no switch or notch so they are permanently write protected This protects them from being accidentally erased or altered Using Your Computer 1 13 ...

Страница 30: ...ter leading into the drive as shown in the following illustration Slide the diskette into the drive until it clicks into place release button metal shutter When you want to remove the diskette make sure the drive light is off then press the release button When the diskette pops out remove it and store it properly 1 14 Using Your Computer ...

Страница 31: ... it in a vertical position This keeps the diskette in place and enables the read write heads to access the diskette Note Some 5 25 inch drives have a release button rather than a latch I I When you want to remove a diskette first make sure the disk drive light is off Then flip up the latch and carefully pull out the diskette Place it in its protective envelope and store it in a proper location suc...

Страница 32: ...r example if you enter a command to copy data from A to B MS DOS copies the data from the first diskette you place in the drive which would be drive A to the computer s memory Then MS DOS prompts you to insert another diskette for drive B and copies the data from memory to the new diskette When copying is complete you see a prompt to insert the original diskette A Because you may often swap disket...

Страница 33: ...he diskette for the first time You can also reformat previously used diskettes to store new data This process erases all the data on the diskette so be sure you do not want to save any of the files on a used diskette before you format it See your operating system manual for instructions on formatting diskettes Making Backup Copies It is important to make copies of all your data and system diskette...

Страница 34: ...ating the inconvenience of swapping diskettes to access different files The added storage capacity makes it easy to move back and forth between different programs and data files However because it is so easy to add programs and files to your hard disk you may find yourself trying to organize hundreds of files Most operating systems let you keep related files together in directories and subdirector...

Страница 35: ...es up to date Caring for your hard disk Follow these precautions to protect your hard disk drive from damage and to avoid losing data Never turn off or reset the computer when the hard disk access light is on This light indicates that the computer is copying data to or from the hard disk If you interrupt this process you can lose data Never attempt to open the hard disk drive The disk itself is en...

Страница 36: ...e 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 Special key functions 1 20 Using Your Computer ...

Страница 37: ...turn it off When the function is enabled the corresponding light in the upper right corner of the keyboard is on Stopping a Command or Program You may sometimes 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 Cl Press Pause Q Hold down the T key and press c1 0 Hold down the w key and p...

Страница 38: ...he 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 T and 71 and press IBlete_ The screen goes blank for a moment and then the computer should relo...

Страница 39: ...password You see an asterisk for each character you type Then press Enter After you type the password correctly and press I 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 Changing or Deleting a Password To change or delete your password you must run the SETUP program and follow the instructions...

Страница 40: ...hould use high speed for almost everything you do because your programs will work faster However certain application programs have specific timing requirements and can run only at the slower speed See your software manual to determine if this is the case Some copy protected programs require the computer to run at low speed while accessing the program on a diskette These programs also usually requi...

Страница 41: ...t low speed press I Ll To select high speed press ctrf r m Hold down the F key and the T key simultaneously and then press the m or I 1 key on the numeric keypad The speed setting remains in effect until you do the following Ll Press ctll rut Delete Cl Turn off the computer CI Change it with another keyboard command Using Your Computer 1 25 ...

Страница 42: ... run HDSIT If you have not already done so copy the HDSIT COM and HDSIT VER files from the Reference diskette to the root directory on your hard disk Then when you want to run HDSIT type HDSIT and press G You see a message on the screen that tells you the disk drive s read write heads will remain locked until you reset the computer or turn the power off and on again The computer then locks the hea...

Страница 43: ...file You can also use the MS DOS COPY EDIT or EDLIN command or a text editor to create the file One batch file that you may find particularly useful is called AUTOEXEC BAT Every time you turn on your computer MS DOS looks for the AUTOEXEC BAT file and automatically executes each of the commands in the file When you install MS DOS it creates an AUTOEXEC BAT file for you which you can modify or repl...

Страница 44: ... board you install in your computer to add a particular function such as a modem or an additional interface port An OverDrive processor is a CPU chip which doubles the internal processing speed of the microprocessor and includes a built in math coprocessor If you have the 486SX 25 or 486DX 33 system you can install an OverDrive processor on your system board to provide this increased performance A...

Страница 45: ...tor board to access the main system board Replace the option card connector board Install a new processor chip CPU Increase the video memory Use the alternate VGA interface feature connector Use a display adapter card Replace the cover 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 ...

Страница 46: ...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 2 3 ...

Страница 47: ...ding the monitor and printer 2 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 3 If the monitor is on top of the computer lift it off and set it to one side 4 Turn the computer around so the back panel is facing you 5 Remove the three screws securing the ba...

Страница 48: ...ift it off at an angle as shown below 8 Set the cover aside 9 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 Option...

Страница 49: ...the computer to use a CGA or other type of display adapter Reset the CMOS RAM settings to the factory defaults Enable or disable the PQFP surface mounted microprocessor on some 486SX 25 systems Change the microprocessor type if you upgrade your system with a new microprocessor Change the processor speed If you need to change any jumper settings or if you want to check the current settings follow t...

Страница 50: ...rs Processor jumper settings You need to change the processor jumper settings when you upgrade your system by installing a new processor chip Make sure the jumper settings for J10 Jll and J12 correspond to the type of chip you installed Installing and Removing Options 2 7 ...

Страница 51: ...ty OverDrive socket In this case you need to disable the original microprocessor by moving jumper J23 to position 2 3 You also need to make sure the jumper settings for Jl0 Jll and J12 are set correctly Processor speed jumper settings You need to change the processor speed jumper settings only if you replace a 25 MHz processor with a 33 MHz processor 2 8 Installing and Removing Options ...

Страница 52: ... illustration below to locate the jumpers 2 If there are any option cards installed in your computer you need to remove them to access the jumpers See page 2 20 3 If the option card connector board is in your way you can remove it See page 2 21 for instructions Installing and Removing Options 2 9 ...

Страница 53: ...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 Caution Be careful not to bend the jumper pins or damage any surrounding components on the main system board 5 If you removed the option card connector board replace it now See page...

Страница 54: ... increase the amount of memory in your computer up to 32MB 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 SIMM configurations Installing and Removing Options 2 11 ...

Страница 55: ...s operate at the same speed Use the correct SIMM configuration to add the amount of memory you want See the table above Your computer can use any SIMM that complies with industry standards however it is best to use Epson SIMM option kits to ensure reliability and compatibility Once you have the SIMMs you need you can install them in your computer Follow the instructions below 2 12 Installing and R...

Страница 56: ...MM sockets near the front of the computer Remove any option cards that may be blocking your access to the SIMM sockets See page 2 20 for instructions Position the SIMM over the socket at an angle as shown below The components on the SIMM should face the outside of the computer Installing and Removing Options 2 13 ...

Страница 57: ...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 6 Replace any option cards you removed See page 2 16 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 of the Setup Guide for instructions 2 14 Installing and Re...

Страница 58: ...ets See page 2 20 for instructions 2 Use your fingers or two small screwdrivers to carefully pull away the tabs that secure the SIMM at each end As you pull away the tabs the SIMM falls to the side Remove it from the socket tabs 3 If necessary follow the same procedure to remove the other SIMM 4 Replace any option cards you removed Follow the instructions below Installing and Removing Options 2 15...

Страница 59: ... has an additional tab along the bottom it will not fit in any of the option slots in your computer If you are installing a high resolution graphics adapter card follow the instructions below to install the adapter card then see Using the Alternate VGA Interface on page 2 26 to connect the card to the VGA feature connector in your computer You may not be able to install a half length or full lengt...

Страница 60: ...tal cover for that slot on the inside back panel Remove the retaining screw securing the option slot cover to the computer Keep the screw to secure the option card to the computer cover 2 Slide out the slot cover and set it aside Store the slot cover in a safe place in case you remove the option card later Installing and Removing Options 2 1 7 ...

Страница 61: ... to set it down before you install it place it gently on top of its original packing material with the component side facing up Keep the packing materials in case you remove the card later 4 Hold the card along the top comers and guide it into the connector as shown below If you re installing a full length card insert the front edge of the card into the corresponding guide inside the computer s fr...

Страница 62: ...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 Note If you installed a high resolution graphics adapter card see Using the Alternate VGA Interface on page 2 26 for further instructions Installing and Removing Options 2 19 ...

Страница 63: ...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 2 16 for instructions 2 20 Installing and Removing Options ...

Страница 64: ...ystem board such as jumpers or 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 Installing and Removing Options 2 21 ...

Страница 65: ...omponents follow these steps to replace it 1 Position the board above its slot as shown below and then firmly push it straight in 2 Secure the board to the power supply with its retaining screw Now you can re install any option cards you removed See page 2 16 for instructions 2 22 Installing and Removing Options ...

Страница 66: ...this socket is empty you can install the OverDrive processor or 487SX chip directly in the socket If it contains the CPU chip you need to remove it before you install the new processor If you need to remove the existing microprocessor lift the lever to release the CPU chip After you install the new processor push the lever down to secure it in the socket If you install an OverDrive processor or th...

Страница 67: ...AM DIP parts you can install on the main system board Supported video DRAM chips Installing the Memory Chips You need four memory chips to install the optional memory For the memory to work properly you must install one chip in each of the four empty video memory sockets on the system board To install the chips you ll need a chip puller or a small flat head screwdriver Follow these steps 1 Locate ...

Страница 68: ...ackage and inspect each one The pins should point inward at slightly less than a 90 o 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 memory chips over the first socket as shown below aligning the pins on the chip with t...

Страница 69: ... Utilities Guide Using the Alternate VGA interface Your computer includes an alternate VGA interface feature connector on the main system board This connector allows you to install a high resolution graphics adapter card in one of the computer s option slots and still access the standard VGA signals provided by your system circuitry Typically high resolution graphics adapter cards increase the gra...

Страница 70: ... Attach one end of the cable to the alternate VGA interface on the main system board 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 Installing and Removing Options 2 27 ...

Страница 71: ...l an optional display adapter card you must set jumper J6 on the main system board to position 2 3 to disable the built in VGA port You do not have to do this if you connected the card to the VGA feature connector on the main system board You also need to set jumper J5 to the On position if you are using a CGA adapter and monitor See page 2 6 for instructions on changing jumper settings Note If yo...

Страница 72: ...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 2 29 ...

Страница 73: ... computer s configuration See Chapter 2 of the Setup Guide 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 You may also want to test a newly installed option Some options come with their own diagnostic programs and you can use the diagnostic program on...

Страница 74: ...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 75: ...at came with 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 1 4 inch wide diskette drive tape drive CD ROM drive or other storage device Ct 3 1 2 inch wide hard disk drive with mounting frames attached to it 3 2 Installing and Removing Drives ...

Страница 76: ...drive use the lower horizontal drive bay How to Use This Chapter To install or remove a drive first remove the computer s cover as described on page 2 4 Then see the table below for a guide to the instructions you should follow next in this chapter After you install or remove your drive s replace the computer s cover as described on page 2 29 Then see Post installation Procedures on page 3 36 for ...

Страница 77: ...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 78: ...on Here you ll find steps for the following procedures Cl Removing the mounting frames from the hard disk drive if necessary Q Installing the hard disk drive in the vertical drive bay Q Connecting the cables Note Before you install a hard disk drive be sure to check the jumpers on the drive For instructions see page 3 4 Installing and Removing Drives 3 5 ...

Страница 79: ...ng 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 3 6 Installing and Removing Drives ...

Страница 80: ... grounding 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 2 Then remove the two screws securing each mounting frame to the drive and remove the frames as shown below Installing and Removing Drives 3 7 ...

Страница 81: ...tach it to 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 3 8 Installing and Removing Drives ...

Страница 82: ...four holes in the plate with the four holes in the drive as shown below bracket connectors holes 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 Installing and Removing Drives 3 9 ...

Страница 83: ...izontal drive bays with the bracket over the top and the connectors face the back of the computer as shown below The two tabs at the bottom of the mounting plate should be just above the two slots in the computer case 3 10 Installing and Removing Drives ...

Страница 84: ... 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 Installing and Removing Drives 3 11 ...

Страница 85: ...d disk drive ribbon cable 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 t...

Страница 86: ...ver all the pins in the hard disk drive connector then push in the connector Caution If you do not correctly align the holes with the pins you could severely damage your hard disk drive when you push in the cable connector Installing and Removing Drives 3 23 ...

Страница 87: ...n use any one that is free If your drive requires a small power supply cable connector use PD 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 Caution If you do not align the cable connector correctly you could severel...

Страница 88: ... drive bay 1 Disconnect the hard disk 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 hard disk drive so you do not bend the pins do not pull on the cables Installing and Removing Drives 3 15 ...

Страница 89: ...ur screws securing the mounting plate to the hard disk drive You can store the mounting plate and its screw or replace it in the computer and secure it with the screw 4 Wrap the hard disk drive in its original packing materials and store it along 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 sto...

Страница 90: ...strations show a diskette or hard disk drive in the lower bay you can use these same instructions to install a diskette drive in the upper bay Here you ll find steps for the following procedures Attaching the mounting frames to a hard disk drive if necessary Installing the drive Connecting the cables If you are installing your computer s first hard disk drive it is best to install it in the vertic...

Страница 91: ...ive that has a 3 5 inch form factor it must have mounting frames attached to it so it fits properly in the horizontal drive bay Follow the steps in the next section If you are installing a hard disk drive that already has mounting frames on it see if it also has a plastic guiderail and metal grounding plate attached to it If so follow step 1 on page 3 7 to remove the guiderail and grounding plate ...

Страница 92: ... 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 mounting frame 3 Repeat step 2 to attach a mounting frame to the other side of the drive Installing and Removing Drives 3 1 9 ...

Страница 93: ... 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 mounting frames 3 20 Installing and Removing Drives ...

Страница 94: ...er in these steps 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 hold it so that the diskette release button is 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 7 Installing an...

Страница 95: ... on each side of the drive with the notches on each side of the drive bay and slide the drive into the bay as far as it will go as shown below Secure the guiderails to the computer case with the two retaining screws 3 22 Installing and Removing Drives ...

Страница 96: ...anel because it covers this bay Remove the screws securing the faceplate to the inside of the computer s cover and remove the faceplate as shown below Store the faceplate and screws in a safe place you may want to install it again later Then go to Connecting the Cables on page 3 24 Installing and Removing Drives 3 23 ...

Страница 97: ...omputer case with the two retaining screws Connecting the Cables To connect the drive to the computer you need to connect two cables a drive ribbon cable and a power supply cable The steps below describe how to connect these cables to the drive If you are installing a diskette drive follow step 1 and then skip to step 3 If you are installing a hard disk drive start with step 2 3 24 Installing and ...

Страница 98: ...The diskette drive connector that extends from the back of the drive has gold contacts on both sides Grasp the cable connector and align it with the drive connector so that the key way the plastic divider in the cable connector lines up with the gap in the drive connector as shown below key way Make sure the cable connector fits properly onto the drive connector and push it into place Then go to s...

Страница 99: ...e 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 3 33 and then use the middle cable connector to connect the hard disk drive as described below Notice the small tab in the middle of the cable connector align this tab with the notch in t...

Страница 100: ...ectly align the holes with the pins you could severely damage your hard disk drive when you 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 loosen the cables The cables are labelled PA PB PC and PD y...

Страница 101: ...ive s power supply connector as shown below Make sure the holes fit over all the pins and then push in the connector diskette drive hard disk drive notched corners Caution If you do not align the cable connector correctly you could severly damage your drive when you push it in 3 28 Installing and Removing Drives ...

Страница 102: ...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 Installing and Removin...

Страница 103: ...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 3 30 Installing and Removing Drives ...

Страница 104: ...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 3 17 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 Installing and Removing Drives 3 31 ...

Страница 105: ...he 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 to cover the bay Secure the faceplate to the inside of the computer s cover with the two screws as shown below 3 32 Installing and Removing Drives ...

Страница 106: ...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 Installing and Removing Drives 3 33 ...

Страница 107: ...e 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 faces the back of the computer toward the option slots as shown below The option card connector board and diskette drive ribbon cable are removed from the illustration for clarity 3 34 Installing and Removing Dr...

Страница 108: ... system board connector then push in the cable connector Caution If you do not correctly align the holes with the pins you could severely damage your system board when you push in the cable connector 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 ...

Страница 109: ...sable the built in IDE hard disk drive interface You may also 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 see Chapter 5 for instructions If you want to be able to load your operating system from a new hard disk drive you need to install it on the drive See the documenta...

Страница 110: ...t s Q Video adapter 0 Keyboard 0 Dot matrix printer s See the table on page 4 7 for a list of the tests available for each device Note The Write read checks for the hard disk drive s and diskette drive s destroy data on the disk Be sure to back up any data on your hard disk or insert a blank formatted diskette before you run this test Also be sure to do this if youselect Run all above checks Runni...

Страница 111: ...ar at the top of the screen with items Detected highlighted Press I 4 You see a list of all the testable devices the computer detects in your system Check to be sure the list is correct 5 If the list is not correct press t to select Quit and press z Run the SETUP program to make sure any missing devices are configured properly See Chapter 2 of the Setup Guide for instructions Then run System diagn...

Страница 112: ...processor System Memory Diskette Drive A Hard Disk Drive l Serial Port COMl Serial Port COM2 Printer Port LPTl Video Adapter Test Keyboard Test 2 Press 1T J or T to highlight the device you want to delete and press E The device is removed from the Delete menu You can delete as many devices as you want 3 When you are finished deleting devices press 71 to select Execute and see Running Tests on page...

Страница 113: ...inter Test The Add menu lists the testable devices that the computer has not detected as Enabled in your system You also see any devices that you deleted from the Delete menu in case you want to be able to test them 2 Press T or 7 to highlight the device you want to add and press Enter The device is removed from the Add menu and added to the Execute list You can add as many devices as you want 3 W...

Страница 114: ...the device you want to test and press Enter You see the Repeat prompt How often to repeat test 1 3 If you want to run the test once press E To run the test more than once type the number of times and press cl 4 If there is only one test for a device the program begins testing immediately If there is more than one test for the device you see a submenu such as the following HARD DISK DRIVE S AND CON...

Страница 115: ...xit System diagnostics press 7 to select Quit and press I You return to the operating system command prompt Resuming From an Error If an error prevents a test from running you see a Runtime Error information box Follow the instructions on the screen to solve the problem If an error occurs during a test the test stops and an error message appears Follow the instructions on the screen to print the m...

Страница 116: ...System Diagnostic Tests The table below lists all the System diagnostic tests you can run on your system System diagnostic tests Running System Diagnostics 4 7 ...

Страница 117: ...nsert a blank formatted diskette before running this test Error Messages The following table lists all the error messages that may appear during System diagnostic testing System diagnostic error messages Error code System board 0101 0102 0103 0104 0105 0105 0106 0107 0108 0108 0108 0109 0110 0111 Message CPU error ROM checksum error Timer counter register error Timer counter error Refresh error DM...

Страница 118: ...System diagnostic error messages continued Running System Diagnostics 4 9 ...

Страница 119: ...n hard disk in your computer that has never received the low level format and did not come with its own format utility If you installed a hard disk that came with its own format utility use that program to physically format the disk Caution Physically formatting a hard disk erases any data it contains Be sure to back up any data on your hard disk before you format it If you are unsure whether form...

Страница 120: ...if it has no defective track table and lets you decide which tracks to mark as bad Then it formats the disk and marks the bad tracks so they are never used to store data CI Destructive surface analysis tests the entire disk for read write errors or unflagged bad tracks and updates the defective track table Because this option writes and reads data on the disk it destroys all data on any track that...

Страница 121: ...se steps 1 2 3 4 Use the Non destructive surface analysis option to check for unflagged bad tracks If errors occur during the Non destructive surface analysis back up your hard disk to diskettes Run the Destructive surface analysis option to update the defective track table Run the Format option to format the disk Selecting an Option When you use this program you often need to select an option fro...

Страница 122: ...Drive n Scan hard disk to get defective track information Y N If the disk already has a defective track table you do not see this because you do not need to scan for bad tracks 1 Select Y to scan the disk or N to skip the scanning process If you select Y the program scans the disk and displays these messages during the process Scanning for flagged bad tracks Head nnn Cylinder nnnnn After scanning ...

Страница 123: ... a different number To accept the default select Y Then go to step 3 To enter a new value select N You see the following prompt Enter new skewed sectors in format l 16 Enter the recommended number which equals the maximum sector number for the drive minus 1 Then press Enterl 3 Next you see this prompt Accept recommended skewed sectors per head in format 0 Y N For an Epson hard disk drive accept th...

Страница 124: ...of the table is this prompt Modify defective track table Y N Select N if you want to leave the table as it is Then skip the next section and go to Formatting the Disk on page 5 8 To add bad tracks to the defective track table see the next section Modifying the Defecfive Track Table If you select Y to modify the table you see the following options at the bottom of the table Defective Track Table Mo...

Страница 125: ...press m to change the track data or m to delete the track from the table Change the track data in the same way as you add a track The maximum valid cylinder number and head number nnnn and nn vary according to the capacity of the hard disk If you enter an invalid cylinder or head number a reminder of the range of values appears and the program asks you to enter the value again When you finish addi...

Страница 126: ...HAVE BACKUP DISKETTE COPIES OF ALL YOUR FILES Do you want to exit and check your file copies Y N Select Y to cancel formatting or N to continue If you continue with formatting you see Format started Head nnn Cylinder nnnnn You see the head and cylinder numbers decrease as the program progresses When formatting is complete the program flags any bad tracks and you see a series of messages like these...

Страница 127: ...ace To start this test select Destructive surface analysis from the Hard Disk Format Menu You see these messages Analyze Hard Disk Drive n Read Save Write Read Restore Read c h e c k f o r a l l t r a c k s C u r r e n t c y l i n d e r i s M M As the program checks each track it decreases the cylinder numbers until it reaches zero When the test is complete you see a report on the disk status incl...

Страница 128: ...f the tracks as they are flagged When the process is complete press F to return to the Hard Disk Format Menu Option 3 Non destructive Surface Analysis The Non destructive surface analysis does not destroy any data and you can use it to safely check the condition of your hard disk drive However this test does not flag any bad tracks it detects To start the test select Non destructive surf ace analy...

Страница 129: ...rs the screen displays a table of the tracks that produced the errors Then you see this message Press ENTER to return to the menu Check the information displayed Then press Enter to return to the Hard Disk Format Menu Exiting the Program To leave the Hard Disk Format Menu select Exit You see the operating system command prompt If you formatted the hard disk or ran the Destructive surface analysis ...

Страница 130: ...d Epson Servicer or call the Epson Connection at 800 922 8911 ldentifying Your System When you request technical assistance be ready to provide the serial number of your computer its system BIOS version number its configuration including the type of disk drives monitor and option cards and the names and version numbers of any software programs you are using You may have recorded this information o...

Страница 131: ... then exit SETUP without changing your configuration See Chapter 2 of the Setup Guide for instructions 4 If you are using MS DOS at the command prompt type VER and press Enter The screen displays the MS DOS version number Write it down If you are using another operating system see the manuals that came with it for instructions on obtaining the version number Error Messages Your computer s built in...

Страница 132: ...s as though the system had not detected an error When the system detects an error that isn t serious such as an incorrectly defined diskette drive you see the error message and the following prompt Press Fl to continue or Del to start SETUP Write down the error message and press CT to continue If the system detects a serious error or an error you ve identified as a halt on error the computer cance...

Страница 133: ...uthorized Epson Servicer SYSTEM HALTED CMOS BATTERY HAS The CMOS battery is bad Contact your Authorized FAILED Epson Servicer CMOS CHECKSUM Your CMOS RAM has possibly been corrupted ERROR DEFAULTS LOADED Run the SETUP program and check your settings see Chapter 2 of the Setup Guide If your settings are correct save them as you exit the SETUP program If you see the message again or if your settings...

Страница 134: ...rives If you have at least one diskette drive see Diskette Drive Problems FLOPPY DISK TYPE IS The installed diskette drive does not match the SET INCORRECTLY CMOS definition See Diskette Drive Problems OR DRIVE ERROR HARD DRIVE The system was unable to detect the hard disk CONTROLLER drive controller See Hard Disk Problems DIAGNOSTICS ERROR HARD DRIVE SECTOR Your hard disk drive may be damaged Con...

Страница 135: ...n 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 or Reference diskette if necessary and turn on the computer again Caution If you turn off the computer always wait at least 20 seconds before turning it back on This prevents damage to the computer s electrical circuitry 6 6 Trou...

Страница 136: ...al outlet is working and all the connections are secure but your computer still won t start call your Authorized Epson Servicer Note If the computer starts but you can t see anything on the screen see Monitor Problems on page 6 13 The Computer Does Not Respond If your computer locks up and does not respond when you type on the keyboard follow these steps 1 Wait a few moments some operations take l...

Страница 137: ...e Password Problems below 4 Could your software be causing the problem If you are running an application program see Software Problems later in this chapter 5 The problem could be caused by your keyboard See Keyboard Problems later in this chapter 6 If you want to stop whatever the computer is doing and return to the MS DOS command prompt hold down the T key and press Break or Ic See Chapter 1 for...

Страница 138: ...s not damage the power supply but you must correct the temperature problem before you can use your computer again See Restoring the Power Supply below Restoring the Power Supply To restore normal power supply operation follow these steps 1 Turn off the computer and leave it off for at least 30 seconds to reset the power supply logic 2 To determine the cause of the high temperature and correct the ...

Страница 139: ...ed the computer s cover replace it now See Chapter 2 for instructions Then turn on the computer If the power supply shuts off again contact your Authorized Epson Servicer Password Problems If you have any trouble using your password try the following 1 If you think you know the correct password reset the computer and try again See Chapter 1 for instructions 2 If you know the current password but y...

Страница 140: ...onfiguration again Turn on the computer Turn the computer off again Follow the instructions under Changing the Jumper Settings in Chapter 2 to set jumper J7 to the Off position Turn on the computer again When you see Press Fl to continue or Del to start SETUP press F Youseethe SETUP screen 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...

Страница 141: ...t a new password you see the password prompt Enter your password as described in Chapter 1 Keyboard Problems If you have trouble with the keyboard check the following 1 If the screen displays a keyboard error message when you turn on or reset the computer make sure the keyboard is securely connected to the correct port See Connecting the Keyboard in Chapter 1 of the Setup Guide for instructions 2 ...

Страница 142: ...is not turn off the monitor s power wait five seconds and turn it back on Wait to see if the screen displays any text 3 If you still do not see anything on the screen make sure you connected your monitor to the computer securely See Connecting a Monitor in Chapter 1 of the Setup Guide or your monitor manual for instructions 4 If the monitor s power light still does not come on check the electrical...

Страница 143: ...the results will be unpredictable J 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 J6 to disable the built in VGA adapter or you will not see anything on the screen See Changing the Jumper Settings in Chapter 2 for instructions If you still have difficulty with your monitor run the Video adapter diagnostic tests ...

Страница 144: ...elow 3 Check to see if you have inserted the right type of diskette For example are you trying to read a 1 44MB diskette in a 720KB diskette drive See Types of Diskette Drives in Chapter 1 for more information 4 If your diskette is the right type for your drive see if it is 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 s...

Страница 145: ... 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 Cl Part of a file is missing Ll A file includes parts of other files D An expected output file is missing If you...

Страница 146: ...nd check all the cable connections to make sure you have installed the drive correctly 3 Did you run the SETUP program and configure the correct type of diskette drive as part of your system See Chapter 2 of the Setup Guide for instructions 4 Try running the Diskette drive diagnostic tests described in Chapter 4 If the diagnostics program indicates an error contact your Authorized Epson Servicer 5...

Страница 147: ...t but suddenly cannot see Accessing Data on the Drive Caution If your hard disk has data on it always be sure to back up your data before reformatting or repartitioning the drive lnstalling the Drive If you have problems with a newly installed drive check the following 1 If someone else installed the drive consult that person about the problem 2 If you installed the hard disk in your computer did ...

Страница 148: ...u must do it yourself If the drive came with its own format utility use that program if not follow the instructions in Chapter 5 Note that a physical format is different from the software based type of formatting commands such as the MS DOS SELECT or FORMAT commands See Preparing the Drive below for more information Preparing the Drive Before you can store data on a new hard disk which has already...

Страница 149: ...Data on the Drive If you have been using your hard disk drive successfully for some time and notice a reduction in performance the data on the disk may have become fragmented You may want to back up all your data and then use a disk compaction utility to reorganize the files on your disk Many general utility programs include a disk compaction utility If you still have trouble with your hard disk y...

Страница 150: ...rly at the faster speed some must run at the slower speed Check your software manual to see if this is the case and change the processor speed if necessary See Changing the Processor Speed in Chapter 1 for instructions and information on using copy protected programs 3 If you entered an MS DOS command that you want to stop there are special key combinations you can use to cancel the command These ...

Страница 151: ... properly connected to the computer Also make sure your printer has paper in it See Chapter 1 of the Setup Guide or your printer manual for instructions 2 Check the printer manual for the printer s correct DIP switch or control panel settings These settings help a printer communicate properly with the computer 3 If you are using more than one parallel port the computer must know which port is the ...

Страница 152: ...er manual for additional instructions on using your printer with application programs 7 Try running the Parallel port diagnostic test if you have a parallel printer or the Serial port test if you have a serial printer You can also test a dot matrix printer if you have one Chapter 4 describes these tests Option Card Problems If you install an option card and it does not function properly check the ...

Страница 153: ...on card See your option card or software manual for instructions Mouse Problems If you have trouble with your mouse or you see an auxiliary device error message check the following 1 Make sure the mouse cable is securely connected to the mouse port and not the keyboard port See Chapter 1 of the Setup Guide for instructions 2 Did you install the mouse driver correctly See your software manual and t...

Страница 154: ...ey may be the wrong type of SIMM or they may not be inserted all the way See Memory Modules SIMMs in Chapter 2 and make sure you followed all the instructions Be sure to run the SETUP program after you install or remove memory modules to automatically update your memory configuration See Chapter 2 of the Setup Guide for instructions If you still have trouble with your SIMMs write down any error me...

Страница 155: ...z microprocessor System speed High and low speeds available high speed is CPU dependent 25 MHz 33 MHz or 50 MHz low speed is simulated 8 MHz speed speed selection through keyboard command 0 wait state memory access at high speed Memory ROM 4MB RAM standard on a SIMM expandable using lMB 4MB or 16MB SIMMs to 32MB maximum SIMMs must be 36 bit fast page mode type with 70ns or faster access speed 128K...

Страница 156: ...systems math coprocessor built into the microprocessor optional 487 upgrade available for 4SX 25 system Real time clock calendar and CMOS RAM socketed on main system board with built in battery backup Cirrus VGA controller on main system board provides resolutions up to 1024 x 768 Controller on main system board supports up to two diskette drives or one diskette drive and one tape drive Interface ...

Страница 157: ...9 pin D shell connector Keyboard PS 2 compatible keyboard interface built into main system board num lock setting selectable through SETUP 6 pin mini DIN connector Mouse PS 2 compatible mouse interface built into main system board 6 pin mini DIN connector Option slots Four 16 bit or 8 bit I O expansion slots ISA compatible 8 MHz bus speed three slots accommodate any size card bottom slot can hold ...

Страница 158: ...ity 3 5 inch diskette drive 720KB double density storage capacity Hard disk drives 3 1 2 inch form factor hard disk drive s up to half height size the first mounted vertically second mounted horizontally Other devices Half height tape drive CD ROM or other storage device 5 1 4 inch or 3 1 2 inch with mounting frames Keyboard Detachable two position height 101 or 102 sculpted keys country dependent...

Страница 159: ...ith one diskette drive and one hard disk but without keyboard Power Supply Type 145 Watt fan cooled switch selectable voltage Input ranges Maximum outputs 90 to 132 VAC and 180 to 264 VAC 5 VDC at 18 Amps 12 VDC at 4 0 Amps 5 VDC at 0 3 Amps 12 VDC at 0 3 Amps Frequency 47 to 63 Hz Option slot power limits Specifications A 5 ...

Страница 160: ...Environmental Requirements A 6 Specifications ...

Страница 161: ...Power Source Requirements 720 Volt power source requirements 240 Volt power source requirements Specifications A 7 ...

Страница 162: ...System Memory Map A 8 Specifications ...

Страница 163: ...ls in a continuous current and can produce an infinite number of colors or gray shades Application program A software program designed to perform a specific task such as word processing or creating spreadsheets Note that an application program is different than an operating system which controls all the computer s hardware and software ASCll American Standard Code for Information Interchange A sta...

Страница 164: ...ls in a continuous current and can produce an infinite number of colors or gray shades Application program A software program designed to perform a specific task such as word processing or creating spreadsheets Note that an application program is different than an operating system which controls all the computer s hardware and software ASCll American Standard Code for Information Interchange A sta...

Страница 165: ...e Backup An extra copy of a program data file or disk that is created in case your working copy is damaged or lost Base memory See Conventional memory Butch file A type of file that executes a series of commands automatically Batch files are text files with the filename extension BAT When you type the filename your operating system executes all the commands in that file sequentially BIOS Basic Inp...

Страница 166: ...nt to component in the computer The speed of a bus increases by the number and width of the channels the bus uses to move data Byte A sequence of eight bits of data that represent one character See also Bit and Character Cache A high speed type of memory buffer that stores frequently used data where your microprocessor can access it faster Your computer includes 8KB of internal cache CGA Color Gra...

Страница 167: ...ircuit See also CPU CMOS Complementary Metal Oxide Semiconductor A type of low power silicon chip used for RAM and switching applications that is backed up by a battery Code A system of symbols for representing data or instructions also any software program or part of a program Command An instruction you enter or select to direct a computer program to perform a specific function Command prompt The...

Страница 168: ...l memory The memory in the computer below 1MB that is available to MS DOS and application programs usually 640KB Also called base memory or main memory Coprocessor See Math coprocessor Copy protected program A program containing a software lock that prevents it from being copied Some of these programs require you to leave the program diskette in the drive while you use it See also Key disk CPU Cen...

Страница 169: ...so Tracks Data Information such as text or graphics stored or processed by a computer Data diskette A formatted diskette on which you store data files as opposed to program files Default Any value or setting choice that the computer or a program makes when the user does not specify an alternative A default value stays in effect unless you override it temporarily by changing the value or you reset ...

Страница 170: ... name location and size of the files in the directory A directory can contain both files and subdirectories Disk The collective term for diskettes and hard disks the devices on which the computer stores data magnetically Disk drive The electromechanical device that reads data from and writes data to a disk tape or other storage media A diskette drive accepts removable diskettes in its disk slot wh...

Страница 171: ...h data as the standard density format A 3 5 inch double density diskette can store 720KB of data A 5 25 inch double density diskette can store 360KB of data Drive designator The letter name of a disk drive followed by a colon for example C EGA Enhanced Graphics Adapter A type of display adapter card that allows you to display high resolution graphics on an EGA monitor It can display up to 43 lines...

Страница 172: ...rograms automatically create an extension for a filename when you create a file using the program File A collection of information called records or entries stored together on a disk under a single name Text files consist of words and sentences Program files consist of codes and are used by computers to interpret and execute commands See also Filename Filename A name assigned to a file that distin...

Страница 173: ...latters used to store large amounts of data Unlike a diskette a hard disk is fixed in place It can process data more rapidly and store many more files than a diskette Also called fixed disk Hardware Any physical component of a computer system such as a monitor printer keyboard main system board disk drive or CPU Hexadecimal A base 16 numbering system frequently used by programmers to represent the...

Страница 174: ...ontroller card Your computer includes an interface on the main system board for up to two IDE hard disk drives Input output l O port See Port 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 can be used to alter the operation of a p...

Страница 175: ...puter needs to operate Math coprocessor A device that enables the computer to process mathematical calculations faster by using floating point numbers instead of whole numbers This speeds up certain math and graphics operations performed by programs that use this type of calculation MCGA Multi color Graphics Array A type of display adapter that emulates a color graphics adapter CGA MCGA provides t...

Страница 176: ...s are stored permanently in ROM or temporarily in RAM Memory manager A program that controls the memory in your computer so that different applications do not try to use the same portion of extended memory at the same time Memory module A small circuit board that contains surface mounted memory chips You can add memory modules to the main system board to expand your computer s memory Commonly call...

Страница 177: ...splays in only one color such as green white or amber as opposed to a color monitor which can display in many different colors Mouse A hand held pointing device with one or more buttons When you slide the mouse over a surface the cursor moves in the same direction on the screen Pressing or clicking a mouse button selects the item on the screen at the cursor position MS DOS Microsoft Disk Operating...

Страница 178: ...and cursor control keys grouped together on the right side of the keyboard The operation of the dual use keys on the numeric keypad is controlled by the 1 key Operating speed The speed at which the computer s processor can execute commands usually expressed in megahertz MHz such as 33 MHz See also Megahertz Operating system A collection of programs that manage a computer s operations such as inter...

Страница 179: ... system Over Drive processor An optional microprocessor chip that doubles the internal processing speed of the microprocessor and includes a built in math coprocessor Parallel The type of interface that transmits all the bits in a byte of data simultaneously over separate wires in a cable See also Interface and Serial Parameter A qualifier added to a command that tells your operating system what d...

Страница 180: ...TUP program or your system Pathname The directory name s you specify to locate a file For example the pathname for the file SALES stored in the subdirectory BUSINESS is BUSINESS 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 Porf A physical input output socket on a computer to which you can connect a pe...

Страница 181: ...stem or a program to request information from you or tell you what action to perform next See also Command prompt RAM Random Access Memory The portion of the computer s memory used to run programs and store data while you work All data stored in RAM is erased when you turn off or reset the computer so you must store any data you want to keep on disk Read To gather data from one source such as a di...

Страница 182: ... less the screen will flicker Reset To restart a computer without turnin it off You can reset your computer by pressing ctrl 0000 71 Resetting erases all data stored in RAM and reloads your operating system ROM Read Only Memory A portion of memory that can only be read and cannot be modified ROM retains its contents even when you turn off the computer by using power from a backup battery Root dire...

Страница 183: ...s Serial The type of communication that transmits data from a serial interface to a serial device one bit at a time over a single wire See also Interface and Parallel Shadow RAM The feature in your computer that automatically copies the contents of the system video and any external BIOS ROMs into the RAM area of memory to speed up processing SIMM See Memory module Software The collection of instru...

Страница 184: ...ifier added to an MS DOS command that modifies the way the command works Switches are typically preceded by a forward slash See also Command and Parameter System diagnostics A series of tests you can perform on the computer s components and some peripheral devices to make sure they are functioning correctly System diskette A diskette that contains the operating system and that can be used to boot ...

Страница 185: ...ty of video modes Your computer s built in VGA controller supports resolutions up to 1024 x 768 on a compatible monitor Video card 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 Data written to a disk is stored for later retrieval See also Read Write protect To protect the data on a diskette from being changed by ...

Страница 186: ... Bus speed A 3 C Cable s diskette drive 3 24 25 3 29 3 33 3 35 hard disk drive 3 12 13 3 15 16 3 24 3 26 27 3 29 3 33 35 power supply 3 12 3 14 3 24 3 27 30 power to computer 2 4 2 30 6 6 7 A 7 Cache Intro l A 2 Cards display adapter see Video cards option see Option cards video see Video cards CD ROM drive Intro 3 3 l 2 A 4 CGA adapters 2 6 7 2 28 Chips video memory 2 24 CHKDSK command 6 16 Clock...

Страница 187: ...e 5 2 4 5 6 7 Depth A 5 Destructive surface analysis 5 2 3 5 9 11 Diagnostics power on l 3 6 2 6 6 25 system 2 30 3 36 4 l 9 6 13 14 6 17 6 23 DIP switches 6 22 DISKCOPY command 1 9 Diskette drive cable 3 24 25 3 29 3 33 3 35 caring for l l0 11 compatibility l 7 9 configuration 3 2 3 3 36 connector 3 25 3 29 3 33 3 35 controller 4 9 A 2 diagnostics 4 7 4 9 6 4 5 6 17 error messages 4 9 6 5 6 17 fa...

Страница 188: ...8 vertical 3 2 3 3 5 17 3 34 Drive ribbon cable 3 12 13 3 15 16 3 24 27 3 29 31 3 33 35 Drives see Diskette drive or Hard disk drive E EDIT l 27 EDLIN l 27 Electric shock 2 5 2 25 Environmental requirements A 6 EPROM A l Epson Connection 5 1 6 l Epson Servicer 5 1 6 l 6 3 6 5 6 6 8 6 10 6 13 6 17 6 20 6 25 Error messages MS DOS 6 16 power on diagnostics 6 4 6 6 25 system diagnostics 4 6 4 8 9 Exte...

Страница 189: ...ro 3 3 2 14 3 17 28 6 18 20 jumpers 3 4 3 17 3 32 6 18 location 3 2 Hard disk drive master drive 3 4 mounting frames 3 5 7 3 17 20 mounting plate 3 8 11 3 16 moving l 19 1 26 non destructive surface analysis 5 2 3 5 10 11 parking the heads l 26 partitioning l 18 6 19 20 physical formatting 3 36 5 l 11 6 19 20 post installation 3 3 3 36 power supply cable 3 12 3 14 15 3 24 3 27 30 precautions 1 19 ...

Страница 190: ...cessor type 2 7 2 23 settings 2 9 10 2 16 2 23 2 28 3 4 6 9 6 ll 12 6 14 6 18 6 23 VGA display adapter built in 2 7 6 9 6 13 14 K Keyboard commands l 21 1 25 A l diagnostics 4 8 6 5 6 12 13 error messages 4 8 6 5 6 12 13 halt on error 6 3 interface Intro l A 3 num lock mode l 20 21 6 12 A 3 port Intro l A 3 problems 6 12 13 special keys l 20 21 specifications A 4 speed commands l 24 A l tests 4 1 ...

Страница 191: ...ettings 2 7 2 28 6 9 6 14 6 23 port A 3 problems 6 5 6 13 14 Mounting frames attaching 3 19 removing 3 6 7 Mounting plate hard disk 3 9 11 3 16 Mouse driver 6 24 interface Intro l A 3 port Intro l A 3 problems 6 24 MS DOS batch files 1 27 copying files 1 9 error messages 6 16 hard disk drive 6 19 20 printer commands 6 22 single diskette drive system l 16 stopping commands l 21 6 8 6 21 version num...

Страница 192: ... formatting 3 36 5 l 11 6 19 Plug AC A 7 Ports Intro l 2 A 3 Post installation 2 30 3 3 3 36 Power cord computer 2 4 2 30 6 6 7 A 7 Power indicator light l 3 6 6 7 Power limits option slot 6 10 A 5 Power on diagnostics l 3 6 4 6 6 8 6 25 Power on password see Password Power source requirements A 5 A 7 Power supply 2 3 2 21 3 14 3 27 3 33 6 8 9 A 5 Power supply cables 3 12 3 14 3 24 3 26 30 Power s...

Страница 193: ...6 23 A 3 port Intro l 6 23 A 3 port diagnostics 4 1 4 7 4 9 6 23 Servicer Epson 5 1 6 l 6 3 6 5 6 6 8 6 10 6 13 6 17 6 20 6 25 SETMODE command 6 23 Setting jumpers see Jumpers SETUP program configuration information 2 23 2 30 3 36 6 2 CPU chip 2 23 2 30 disk drives 3 36 6 17 6 19 memory 2 14 2 16 2 30 6 25 option cards 2 30 6 24 OverDrive processor 2 23 2 30 parallel port 6 22 23 password l 23 6 1...

Страница 194: ...ard see Video cards controller Intro l 2 A 2 device drivers Intro 2 VGA display adapter Intro 3 2 6 7 2 22 23 4 8 6 8 6 13 feature cable 2 22 23 feature connector Intro 3 2 3 2 14 2 17 2 22 23 6 8 6 13 A 3 interface see built in port or alternate interface jumpers 2 6 7 6 8 6 13 modes A 9 port see built in port or alternate interface specifications A 3 utilities Intro 2 Video adapter test 4 8 6 14...

Страница 195: ...ght A 5 Wet bulb A 6 Width A 5 Windows 2 26 Write protecting diskettes l 10 l 12 13 6 15 Write protect notch l 13 6 15 Write protect switch l 12 6 15 Write protect tab l 13 6 15 X XCOPY command l 9 10 Index ...

Страница 196: ...886 080 211172 Fax 886 2 712 9164 Telex 785 24444 Epson U K Ltd Business Management Dept PC Campus 100 Maylands Avenue Hemel Hempstead Hertfordshire HP2 7EZ UK Phone 0442 61144 Free phone linkline 0800 289622 Fax 0422 227227 Telex 51 824767 Epson France S A B P 320 68 Bis Rue Majolin 92305 Levallois Perret Cedex France Phone 33 l 4737 3333 Telex 42 610657 Epson Italia s p a V le F lli Casiraghi 42...

Страница 197: ...4 0 0 1 9 5 1 0 0 ...

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