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Epson Equity 386SX/16 PLUS, User Manual

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Epson Equity 386SX/16 PLUS User Manual Download Page 234

Math Coprocessor Problems

If your math coprocessor does not seem to be operating
properly, check the following:

1. Run the SETUP program and check to make sure that the

math coprocessor is listed as Installed on the SETUP
display. If it is listed as Not installed, 

you 

or your

dealer may have installed the coprocessor incorrectly. See
Chapters 2 and 5 for more information.

Caution

Do not attempt to remove the math coprocessor

yourself. Contact your dealer for information about a

special extraction tool that is needed to remove it.

2. If your math coprocessor is listed as Installed in the

SETUP program but still does not seem to be working,
check the manual that came with it for troubleshooting
information and for any diagnostic procedures you can
perform.

D - 2 0

Troubleshooting

Summary of Contents for Equity 386SX/16 PLUS

Page 1: ......

Page 2: ...t different from that to which the receiver is connected l Consult the dealer or 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 which exceed the limits established by the FCC for this equipment It is the responsibility of the user ...

Page 3: ...EPSON E Q U I T Y 3 8 6 S X 1 6 P L U S User s Guide ...

Page 4: ...rding 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 While every precaution has been taken in the preparation of this publication Epson America assumes no responsibility for errors or omissions Nor is any liability assumed for damages resulting from the use of the information contained he...

Page 5: ...your dealer or local power company Connect all equipment to properly grounded earthed power outlets If you are unable to insert the plug into the outlet contact your electrician to replace your obsolete outlet Avoid using outlets on the same circuit as photocopiers or air control systems that regularly switch on and off Do not locate this product where the cord will be walked on 10 If an extension...

Page 6: ...rate normally when the operating instructions are followed Adjust only those controls that are covered by the operating instructions since improper adjustment of other controls may result in damage and will often require extensive work by a qualified technician to restore the product to normal operation D If the product has been dropped or the cabinet has been damaged E If the product exhibits a d...

Page 7: ... a Display Adapter Card 1 7 4 Connecting a Printer or Other Device 1 8 Using the Parallel Interface 1 8 Using the Serial Interface 1 11 5 Connecting the Keyboard 1 12 6 Connecting the Mouse 1 13 7 Connecting the Power Cord 1 15 8 Turning On the Computer 1 16 Turning Off the Computer 1 18 Chapter 2 Running the SETUP Program Starting the SETUP Program 2 2 Selecting Options 2 3 Setting the Date and T...

Page 8: ... 2 16 Saving Your Settings 2 17 Chapter 3 Using Your Computer Installing MS DOS or Another Operating System 3 1 Special Keys on the Keyboard 3 2 Stopping a Command or Program 3 3 Resetting the Computer 3 4 Using a Password 3 5 Using Disks and Disk Drives 3 6 How Disks Store Data 3 6 Types of Diskette Drives 3 8 Caring for Diskettes and Diskette Drives 3 10 Write protecting Diskettes 3 12 Using a S...

Page 9: ...d Removing Options Removing the Cover 5 2 Changing the Jumper Settings 5 5 Setting the Jumpers 5 6 Replacing the Battery 5 8 Installing an Option Card 5 12 Removing an Option Card 5 16 Removing the Subassembly 5 17 Adding Memory Modules 5 21 Installing Memory Modules 5 22 Removing Memory Modules 5 25 Installing a Math Coprocessor 5 28 Removing a Math Coprocessor 5 31 Replacing the Subassembly 5 32...

Page 10: ...ves B 4 Changing the Jumper Settings B 5 Installing a Hard Disk in the Vertical Position B 7 Removing the Mounting Frames From the Drive B 8 Removing and Attaching the Mounting Plate B 10 Installing the Drive B 12 Connecting the Hard Disk Drive Cables B 18 Removing a Hard Disk From the Vertical Position B 24 Installing or Removing a Disk Drive in the Horizontal Position B 27 Removing the Subassemb...

Page 11: ...ostics C 12 Hard Disk Diagnostics C 12 Hard Disk Parameters C 13 Hard Disk Format C 16 Media Analysis C 17 Performance Test C 18 Seek Test C 18 Read Verify Test C 18 Check Test Cylinder C 19 Force Bad Tracks C 19 Hard Disk Error Messages C 19 Floppy Disk Diagnostics C 20 Performing the Tests C 21 Floppy Disk Error Messages C 22 Miscellaneous Diagnostics C 23 Printer Adapter Test C 23 Communication...

Page 12: ...or Problems Diskette Problems Diskette Drive Problems Hard Disk Problems Installing the Drive Preparing the Drive Accessing Data on the Drive Software Problems Printer Problems Option Card Problems Mouse Problems Memory Module Problems Battery Problems Math Coprocessor Problems Glossary D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 8 D 9 D 11 D 12 D 13 D 14 D 14 D 15 D 16 D 17 D 18 D 19 D 19 D 20 Index X i i ...

Page 13: ...uch as a modem or a network card Your computer can support up to three internal drives either two diskette drives and one hard disk drive or one diskette drive and two hard disk drives Additionally your system offers shadow RAM to speed up processing by moving the ROM BIOS and the video ROM into the RAM area of memory This allows the computer to access and display information faster Optional Equip...

Page 14: ...erating system refer to the documentation that came with it to install and run it on your computer You can use virtually any application program designed for the IBM PC PC XT PC AT or compatible computers on your Equity 386SX 16 PLUS VGA Utilities Epson has included special VGA device drivers and utilities that you can use with your built in VGA adapter With these utilities you can take advantage ...

Page 15: ...re illustrations identifying the different parts of your computer refer to these as you set up your system Chapter 2 describes how to run the SETUP program to define your computer s configuration Do this before you use your computer You may need to do it again later if you change the configuration Chapter 3 provides instructions for important operating procedures such as using and caring for disks...

Page 16: ...son dealers and Service Centers Epson also provides the following support services through the Epson Consumer Resource Center at 800 922 8911 Q Assistance in locating your nearest Authorized Epson Reseller or Service Center Q Technical assistance with the installation configuration and operation of Epson products CI Epson technical information library fax service 0 Product literature with technica...

Page 17: ...m you may want to leave this manual s back cover foldout open so you can refer to the illustrations identifying the different parts Note The illustrations in this manual show the computer with a 5 inch diskette drive If your system has a 3 inch diskette drive instead and you need instructions for using it see Chapter 3 Choosing a Location Setting Up Your System 1 1 ...

Page 18: ...around the computer so air can move freely Moderate environmental conditions Select a cool dry area and protect your computer from extremes in temperature humidity dust and smoke Avoid direct sunlight or any other source of heat Appropriate power sources To prevent static charges connect all your equipment to three hole 120 volt grounded outlets You need one outlet for the computer one for the mon...

Page 19: ...emove it flip the latch up to pop the card out part way as shown below then pull it out If you have a second 5 X inch diskette drive be sure to remove the protector card from it Save the protector card If you transport your computer you may want to insert the card into your diskette drive prior to shipping This will protect the read write heads during the shipping process Setting Up Your System 1 ...

Page 20: ...y other type of monitor see Using a Display Adapter Card on page 1 7 Using the VGA Interface Follow these steps to connect your VGA monitor to the VGA port on the computer 1 Make sure your monitor is turned off 2 Place your monitor on top of or near the computer For easy access turn the monitor and computer around so the backs of both components are facing you 3 If necessary connect the monitor ca...

Page 21: ... monitor port marked with a monitor icon Then insert the plug into the port as shown below I Ii i II retaining screws Caution To avoid damaging the connector take care not to bend the pins when inserting the plug 5 If the connector has retaining screws be sure to tighten them Setting Up Your System 1 5 ...

Page 22: ...6 Plug the monitor power cord into the monitor s power inlet as shown below 7 Plug the other end of the power cord into an electrical outlet 1 6 Setting Up Your System ...

Page 23: ...phics adapter EGA Hercules graphics card Color or EGA Color graphics adapter CGA Multi mode graphics adapter MGA Enhanced graphics adapter EGA EGA cards support only EGA monitors When you are installing the video card check to make sure any switches or jumpers on the card are set properly For example you may need to change a switch setting to select color or monochrome See the documentation that c...

Page 24: ...r computer has both parallel and serial interfaces To connect a printer or other peripheral device to one of these interfaces follow the instructions below Using the Parallel Interface The parallel interface on your computer is Centronics compatible and uses a DB 25S connector To connect your printer and computer you need an IBM compatible printer cable If you are not sure which cable you need che...

Page 25: ...rientation of the parallel interface marked with a special icon shown in the illustration below Then plug the connector into the port as shown below If the plug has retaining screws tighten them by hand or with a screwdriver depending on the screw type retaining screws Setting Up Your System 1 9 ...

Page 26: ...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 a three hole 120 volt grounded electrical outlet 1 10 Setting Up Your System ...

Page 27: ... the same steps as above for connecting a parallel device but insert the connector into the serial port marked with a special icon as shown below r Note You need to ensure that the serial port is set up so it functions properly If you are using the port for a serial printer you need to redirect printer output to the serial port instead of the parallel port To do this you can use the MS DOS MODE or...

Page 28: ...he housing faces up Insert the plug into the appropriate socket marked with a keyboard icon as shown below keyboard connector Caution Although the keyboard and mouse connectors are physically identical they cannot be used interchangeably Be sure to insert the keyboard plug into the keyboard socket 1 12 Setting Up Your System ...

Page 29: ...or If your mouse has this type of connector you can connect it to the built in port on your computer If you have a mouse that requires a different interface port you can connect it to the built in serial port or install an option card to provide the interface To connect a mouse to the built in mouse port hold the mouse plug so it is oriented properly with the computer socket Insert the plug into t...

Page 30: ...to add commands to your MS DOS CONFIG SYS file to enable your computer to use a mouse See your MS DOS Reference Manual and the manual that came with your mouse for instructions Note If you want to use a mouse or other pointing device connected to a port on an option card in your computer you can disable the built in mouse connector by changing the setting of jumper J4 See Chapter 5 for instruction...

Page 31: ...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 socket 2 Plug the other end of the power cord into a three hole 120 volt grounded electrical outlet Setting Up Your System 1 1 5 ...

Page 32: ...ge near your system or any of its components Spilled liquid can damage the circuitry of your equipment Always turn off the power disconnect the computer s power cord and wait 30 seconds before you remove the cover Only remove the cover to access internal devices add memory change jumper settings or replace the battery Follow these steps to turn on your system 1 Make sure the power cord is plugged ...

Page 33: ...t on to make sure everything is working correctly If necessary use the controls on your monitor to adjust the brightness and contrast until characters on the screen are clear and at a comfortable level of intensity If your monitor has horizontal and vertical hold controls you may need to use them to stabilize the display Note If you or your dealer have made a major change to your system such as ad...

Page 34: ...there is no operating system on your computer you see an error message Ignore the message for now Follow the instructions below to turn off the computer and then go on to Chapter 2 for instructions on running the SETUP program Turning Off the Computer When you are ready to turn off your system reverse the sequence of steps you followed to turn it on Turn off the computer first then turn off the mo...

Page 35: ... is stored in the computer s read only memory ROM so you can run the program any time you turn on or reset your computer You do not need to insert a diskette or access the hard disk SETUP lets you verify or change the following Current date and time Type of diskette drives s installed Type of hard disk drive s installed Type of video display adapter you are using Keyboard testing function Shadow R...

Page 36: ...the SETUP Program To start the SETUP program make sure there is no diskette in the diskette drive then turn on your computer If the computer is already on press the RESET button on the front panel to reset it After the computer completes its self test you see the following prompt Press Del to start SETUP As soon as you see this message press the Del key If you do not press Del within five seconds ...

Page 37: ...ribes how to choose the correct SETUP parameters for your system Setting the Date and Time The real time clock in your computer continously tracks the date and time even when the computer is turned off Once you set the date and time using SETUP you should not need to change either parameter except to adjust the time for daylight savings if necessary The computer automatically changes the date for ...

Page 38: ...f a different size or capacity The SETUP menu offers five possible selections for your diskette drives A and B 3 1 2MB 59Linch Q 360KB 5 4 inch 0 1 44MB 3 inch 0 720KB 3 inch Q Not installed Check the settings displayed for both drives and correct them if necessary If you have only one diskette drive select Not installed for drive B 2 4 Running the Setup Program ...

Page 39: ...l If you have installed another type of hard disk drive you need to select the drive type number that matches your drive See Hard Disk Drive Types below Hard Disk Drive Types If you have installed a hard disk in your computer that is not the standard Epson 40MB drive type 17 you need to select the correct type number to match your drive The following table lists the types of standard hard disk dri...

Page 40: ...Hard disk drive types 2 6 Running the Setup Program ...

Page 41: ... Page Down to scroll through the types until you come to 47 USER TYPE 2 Use the numeric keys to enter the appropriate values for these parameters Cyln the number of cylinders on the disk Head the number of read write heads in the drive WPcom the precompensation cylinder LZone the landing zone the area on which the computer parks the heads when you run the HDSIT program Sec the number of sectors on...

Page 42: ...fines the display adapter the built in VGA port or an optional video interface card in your computer not the monitor connected to it If you have connected your monitor to the computer s built in VGA port select VGA or EGA Otherwise follow these guidelines to select the correct adapter type 0 If you have a color graphics adapter CGA or a multi mode graphics adapter MGA attached to an RGB color moni...

Page 43: ...er J1 on the main system board to disable the built in VGA interface If you change the type of monitor you are using you also need to set jumper J3 to indicate either a monochrome or color monitor If you have two types of cards set the jumper to match the monitor that is your primary display See Chapter 5 far instructions on changing jumper settings Setting the Keyboard Test Function There are two...

Page 44: ...ss you have installed a memory card or video card that provides its own shadow RAM in which case you can select just System or just Video Select None if you do not want to use the Shadow RAM function Note Shadow RAM uses 128KB of the RAM available between 640KB and 1MB in your system 384KB If you use the shadow RAM feature 256KB of this memory is available for use as extended or expanded memory If...

Page 45: ...pplication program manual You can also set the processor to change speed automatically This enables the computer to switch to low speed whenever it needs to access a diskette but run at high speed for all other operations Select High speed for 16 MHz Low speed for 8 MHz or Auto speed to have the computer switch to low speed automatically when necessary Note You may not want to use the automatic se...

Page 46: ...y to expanded memory Many application programs come with a memory manager and there are a variety of other memory managers available If you already have a memory manager such as the one provided with MS DOS you should use that manager along with EMS Size If you do not have another memory manager you can use the EMM386SX SYS memory manager which is on your Reference diskette See Using Memory Beyond...

Page 47: ...sword for your computer skip this section Once you set a password through SETUP you must enter it every time you turn on your computer or reset it by pressing the RESET button If you do not enter it correctly you cannot access your system To set a password move the cursor to the Password option Next to it you see Not installed If you have already set a password you see Installed Press Page Up or P...

Page 48: ... able to access the computer the next time you turn it on If you forget your password however there is a way to disable the function See Password Problems in Appendix D for more information Changing or Deleting a Password If you want to change the current password highlight the Password option and press Page Up or Page Down to display New Install Then enter a new password as described above To del...

Page 49: ...an additional port but want to keep the built in port the primary adapter U If you have installed an additional port that is pre set to act as the primary port or one that you want to be the primary port select LPT2 For example if you have installed an IBM monochrome adapter parallel interface card the parallel port on the card must be the primary adapter and you need to select LPT2 for the built ...

Page 50: ...e whether you want the port s to be primary or secondary Setting the Disk Drive Controllers If you are using the standard drives that came with your computer the hard disk drive controller HDC and diskette drive controller FDC should be set to Enable However if you install an option card that provides a controller for a diskette drive or hard disk drive you need to disable the built in controller ...

Page 51: ...UP Follow the instructions on the screen to run SETUP again to correct it You may need to reset the computer If you have just run SETUP for the first time the next thing you need to do is install MS DOS on your computer See your MS DOS Installation Guide for instructions If you are using a different operating system follow the installation instructions provided with it Running the Setup Program 2 ...

Page 52: ...2 18 Running the Setup Program ...

Page 53: ...r you connect the components of your system and run the SETUP program you must install the operating system on your computer If you are installing MS DOS follow the instructions in your MS DOS Installation Guide If you are installing another operating system such as MS OS 2 or UNIX see the manual that comes with that system for instructions on installing and using it The procedures in this manual ...

Page 54: ...ard are not affected Shift Produces uppercase characters or the top symbols on the keys when used with the main character keys Produces lowercase characters when the Caps Lock function is on Ctrl Works with other keys to perform special control functions such as editing operations in MS DOS and various application programs Alt Works with other keys to enter alternate character codes or functions t...

Page 55: ...Break Suspends the current operation Terminates the current operation when used with Ctrl The Caps Lock Num Lock and Scroll Lock keys work as toggles press the key once to turn on a function and again to turn it off When the function is enabled the corresponding light in the upper right corner of the keyboard is on Stopping a Command of Program You may sometimes need to stop a command or program w...

Page 56: ...ngs or its memory without turning it off You can do this by resetting the computer For example if an error occurs and the computer does not respond to your keyboard entries you can reset it to reload MS DOS and try again However resetting erases any data in memory that you have not saved so reset only if necessary Caution Do not reset the computer as a means to exit a program Some programs classif...

Page 57: ...sert the Startup diskette in drive A Then turn on the computer Using a Password If you set a password when you ran the SETUP program you must enter it every time you turn on the computer or press the RESET button Follow these steps to use your password 1 If you do not have a hard disk insert your Startup diskette in drive A 2 Turn on the computer or press RESET After the computer completes its mem...

Page 58: ...diskettes and diskette drives Q Write protect diskettes 0 Use a single diskette drive system 0 Insert and remove diskettes P Format diskettes Q Make backup copies D Use a hard disk drive How Disks Store Data Diskettes are made of flexible plastic coated with magnetic material This plastic is enclosed in a square jacket that is either slightly flexible 5 inch diskette or hard 3 inch diskette Unlike...

Page 59: ...f tracks and sectors Double sided double density diskettes have either 40 or 80 tracks on each side and double sided high density diskettes have 80 tracks on each side Diskettes can have 8 9 15 or 18 sectors per track A hard disk consists of two or more platters stacked on top of one another and thus has four or more sides In addition a hard disk has many more tracks per side than a diskette but t...

Page 60: ...ch double sided high density 135 TPI 1 44MB diskettes These diskettes contain 80 tracks per side 18 sectors per track and hold up to 1 44MB of information which is approximately 600 pages of text Ll 1 2MB drive Use 5 inch double sided high density 96 TPI tracks per inch 1 2MB diskettes These diskettes contain 80 tracks per side 15 sectors per track and hold up to 1 2MB of information which is appr...

Page 61: ... of diskettes you need to be aware of certain incompatibilities between the drives and diskettes Because of the type and size differences you cannot use a 3 inch diskette in a 5 inch drive or vice versa There are also limitations on using diskettes that are the same size as the drive but have different capacities The following tables summarize the possibilities and limitations 5 1 4 inch drive dis...

Page 62: ...e Drives Follow these basic precautions to protect your diskettes and avoid losing data 0 If you have a diskette that contains data you don t want to accidentally write over or erase be sure you write protect it This is especially important for your operating system and application program diskettes See Write protecting Diskettes below for more details Q Do not remove a diskette from the diskette ...

Page 63: ... Do not place anything on top of your diskettes and be sure they do not get bent Carefully label your diskettes and indicate the type and density Attach the label only along the top of a diskette next to the manufacturer s label Do not stick several labels on top of one another this can make it difficult to insert and remove the diskette in the drive Write on a diskette label before you attach it ...

Page 64: ... contains If you try to change data stored on a write protected diskette MS DOS displays an error message To write protect a 5 inch diskette cover the small rectangular notch shown below with an adhesive write protect tab Write protect tabs usually are included in a new package of blank 5 inch diskettes b y protect notch i 00 write protect tab To remove the write protection peel off the write prot...

Page 65: ...e diskette until it clicks into position exposing a hole in the corner write protect switch 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 Some program diskettes have no notch or switch so they are permanently write protected This protects them from being accidentally erased or altered Using Your Computer...

Page 66: ...n 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 above 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 just for copying data to or from disk...

Page 67: ...ntil it is in all the way Then turn the latch down to lock it in a vertical position This keeps the diskette in place and enables the read write heads in the drive to access the diskette 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 such ...

Page 68: ...ks 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 Caution Never remove a diskette or reset or turn off the computer while a diskette drive light is on You could lose data Also be sure to remove all diskettes before you turn off the computer 3 16 Us...

Page 69: ...h as your MS DOS Reference and Utility diskettes then use only the copies Store the original diskettes away from your working diskettes Also copy your data diskettes regularly whenever you revise them and store them away from your originals If you have a hard disk you ll probably use it to store the programs and data files you use regularly Keep backup copies of all your files on diskettes You can...

Page 70: ...rd disk you may find yourself trying to organize hundreds of files MS DOS lets you keep related files together in directories and subdirectories so they are easy to find and use See your MS DOS Reference Manual for instructions on managing your files and directories A hard disk must be partitioned and formatted before you can use it Be sure you have performed the procedures in your MS DOS Installa...

Page 71: ...sk for moving If you need to move your computer to a new location you may want to run the HDSIT program provided on your Reference diskette to protect the hard disk during the move HDSIT moves or parks the disk drive s read write heads to a region on the disk surface that does not contain data and locks them securely in position This protects the hard disk from being damaged if the computer is bum...

Page 72: ...u may want to copy the following two files from the Reference diskette to your hard disk HDSIT COM HDSIT VER Then when you want to run HDSIT just log onto the directory on your hard disk where you stored the files type HDSIT and press Enter See your MS DOS Reference manual for instructions on using the COPY command If you have a 5Winch diskette drive and you still have the original diskette drive ...

Page 73: ...se commands by listing them in a special file called a batch file When you type the name of the batch file and press Enter MS DOS executes the commands in the file just as if you had typed each command from the keyboard If you have a word processing program that can save a file as a text only file sometimes called an ASCII file you can use it to create a batch file You can also use the MS DOS COPY...

Page 74: ... operate at high speed by default in the SETUP program unless you change the speed to low or set the speed to change automatically You should use high speed for almost everything you do since your programs will work faster However certain application programs have specific timing requirements for diskette access and can run only at the slower speed See your software manual to determine if this is ...

Page 75: ...are installing the program Once it is installed set the speed to high where you should be able to leave it while you load and run the program If this does not work try installing and loading the program at low speed and then change to high speed to run it Do not set the speed to change automatically There are three ways to change the processor speed Q Run the SETUP program Q Enter a keyboard comma...

Page 76: ...are running a program However if the program uses one of the same commands for another function you cannot use it to change the processor speed For example if you are running a program that uses the Ctrl Alt command to move the cursor you cannot enter Ctrl Alt to change the processor speed to low Another alternative is to use the ESPEED program described below The speed setting remains in effect u...

Page 77: ... you have a hard disk drive copy the file ESPEED COM from your Reference diskette onto your hard disk and run the program from there For information on how to run the ESPEED program type the following at the MS DOS command prompt and press Enter ESPEED You see this display Format ESPEED CHILI No Parm Displays current CPU Speed H Set to High Speed L Set to Low Speed Help Message The message tells y...

Page 78: ...mand in a batch file You may want to run the ESPEED program by including the command in a batch file For example if you have a program called SLOWDOWN which requires a slower processor speed you could include the following commands in a batch file to start the SLOWDOWN program ESPEED L SLOWDOWN You could name the batch file SLOW BAT Whenever you need to run the SLOWDOWN program insert the program ...

Page 79: ...panded memory to allow room for the expanded memory page frame Expanded memory is required by certain programs such as Lotus 1 2 3 that support the Lotus Intel Microsoft Expanded Memory Specification LIM 4 0 EMS To take advantage of expanded memory you need to use a memory manager to convert the computer s extended memory to expanded memory If you do not have another memory manager such as HIMEM y...

Page 80: ...MM386SX SYS For information on optional parameters see Using EMM386SX SYS options below Note you can copy the EMM386SX SYS file to a directory other than the root directory as long as you either enter that directory in a PATH command for example in your AUTOEXEC BAT file or include the pathname on the DEVICE command line For example if EMM386SX SYS is in the directory DRV on drive C include the pa...

Page 81: ...386SX SYS parameters EMM386SX SYS parameters Parameter D or D Description Tells EMM386SX SYS to run expanded memory diagnostics each time you load the driver M n or M n Specifies the page frame address P nnn or P nnn Specifies the maximum number of handles process IDS available to EMM386SX SYS X nnnn nnnn or X nnnn nnnn Specifies a hexadecimal memory address range to exclude from expanded memory m...

Page 82: ...ss of 0CC000h add the following command line to your CONFIGSYS file DEVICE EMM386SX SYS M4 The P nnn parameter specifies the number of handles or process IDS available to EMM386SX SYS The value for nnn must be in the range of 64 to 256 The default value is 64 The X nnnn nnnn parameter specifies a hexadecimal memory address range to exclude from mapping by EMM386SX SYS The first address nnnn is the...

Page 83: ...isplay adapter supports both standard VGA monitors and multi frequency monitors with analog connectors The VGA adapter operates in all standard VGA resolutions without requiring any device drivers However if you are using a monitor that supports extended VGA features you may want to use one or more of the device drivers provided on the Utility diskettes that came with your computer You need to ins...

Page 84: ...g VGAMODE Provides 132 column text in text based programs such as Wordstar and WordPerfect SETVGA SNOOZE Sets the built in VGA adapter to emulate the operation of other adapters such as Hercules and CGA adapters Turns off your VGA display when you have not used your computer for a specified period of time The VGA device drivers and utilities are described in the VGA Utilities booklet that came wit...

Page 85: ...hem Memory modules also called SIMMs single inline memory modules allow you to increase the amount of memory in your computer This chapter describes the types and amounts of SIMMs you can use in your computer If you want to install memory modules you may prefer to ask your dealer to do it for you You can however follow the instructions in this chapter to install them yourself Note It is best not t...

Page 86: ...ou can follow the instructions in this chapter To change jumper settings replace the battery or install any of the options mentioned above you need to remove the cover from the computer You may also need to remove the subassembly Be sure to heed all the warnings in this chapter so you do not injure yourself or damage the computer Removing the Cover To access any internal components you need to rem...

Page 87: ...urn the screw counterclockwise to unlock the cover The cover is also secured by two latches on the back of the cover near the corners Press both latches inward and then lift up the cover from the back panel You might meet some resistance from the grounding tabs along the inside of the cover latches Installing and Removing Options 5 3 ...

Page 88: ... the inside of the computer s back panel as shown below to ground yourself and avoid an electric shock WARNING Be sure to ground yourself to the inside back panel of the computer every time you remove the cover If you are not properly grounded you could generate an electric shock when you touch a component 5 4 Installing and Removing Options ...

Page 89: ...he jumper settings in your computer are preset at the factory however you can alter the following functions by changing the standard settings D Enable or disable the built in VGA display adapter Q Enable or disable the password function U Set the computer to use a color or monochrome monitor 0 Enable or disable the built in mouse connector If you need to change any jumper settings follow the instr...

Page 90: ...termined by where the jumper is placed on the pins It connects either pin A and the middle pin position A or pin B and the middle pin position B as shown below position A position B B B B A A A 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 5 6 Installing and Removing Options ...

Page 91: ...in VGA display adapter Disables the password function Enables the password function A color monitor is installed A monochrome monitor is installed Enables the built in mouse connector Disables the built in mouse connector so you can use a mouse or other pointing device connected to a port on an option card in your computer Enables the IRQ9 signal for the built in VGA display adapter Enables the IR...

Page 92: ...omputer 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 will see an error message when you turn on or reset your computer Contact your dealer to obtain a replacement battery pack Your dealer can also install the battery for you If you want to replace the battery yo...

Page 93: ...battery 1 Turn the computer so that the front panel is facing you The battery is attached to the bottom of the computer case just behind the front panel as shown below To disconnect the battery from the main system board pull up on the connector plugged into socket CN1 as shown below Installing and Removing Options 5 9 ...

Page 94: ... up from the bottom of the computer case as shown below Then set it aside Remove the new battery from its package and position it so the Velcro faces down and the cable faces connector CN1 Then attach it to the bottom of the computer case as shown below 5 10 Installing and Removing Options ...

Page 95: ...ry cable connector CN1 5 Follow the steps on page 5 40 to replace the computer s cover Then run the SETUP program to reconfigure your system and reset the time for the real time clock See Chapter 2 for instructions Installing and Removing Options 5 11 ...

Page 96: ...ion cards in your computer If you need to remove an option card later to access jumpers memory modules or a math coprocessor see Removing an Option Card on page 5 16 for instructions Nate After you install or remove an option card see Post installation Setup at the end of this chapter for information about reconfiguring your computer The illustration below shows the four standard option slots insi...

Page 97: ...slot For example you can place some 8 bit cards in a 16 bit slot However you must follow these guidelines when deciding which slot to use 01 An 8 bit card with an additional tab along the bottom must go into an 8 bit slot D If you install a disk drive controller card place the card as close as possible to the drive it is controlling 0 Some option cards must be installed in a specific slot Consult ...

Page 98: ... change the setting of jumper J4 on the main system board before you install the card If you install a display adapter card you may need to change the settings of jumpers J1 J3 and J5 See page 5 7 for instructions 3 Remove the retaining screw from the top of the metal option slot cover hold on to the screw so it doesn t fall into the computer Lift out the slot cover 8 I Keep the screw to secure th...

Page 99: ...terials in case you remove the card later 5 Grip the card firmly by the top corners and make sure the connectors point down as shown below 6 Insert the card into the slot guiding it straight down Once the connectors reach the slot push the card downward firmly but carefully to insert it fully You should feel the card fit into place If the card does not go in smoothly do not force it pull it all th...

Page 100: ...ver from the computer See page 5 2 for instructions 2 Remove the screw securing the card to the back of the computer and pull it straight up and out of the slot Either set the card aside by placing it gently on a soft surface with the component side facing up or carefully wrap the card preferably with the original packing materials and place it inside its box for safe storage 3 Cover the option sl...

Page 101: ...rs J1 J3 and J5 See page 5 7 for instructions 5 Replace the cover See page 5 40 for instructions Removing the Subassembly You need to remove the subassembly to access the SIMM sockets and the math coprocessor socket on your computer s main system board The subassembly is the large metal casing that holds the horizontal drive bays and the power supply as shown below subassembly Installing and Remov...

Page 102: ...g up slightly on the three clips at the top of the panel and tilting it toward you Then set it aside clips 2 If you have a hard disk drive the drive cable is connected to the main system board on the left side of the subassembly as shown below ___ diskette drive cable a 3 Installing and Removing Options ...

Page 103: ...isconnect it in the same manner To lift the subassembly from the front of the computer place your thumbs under the diskette drive and grasp the top edge of the computer with the rest of your fingers as shown in the following illustration If you have a diskette drive installed in the lower horizontal drive bay place your thumbs underneath that drive instead Installing and Removing Options 5 19 ...

Page 104: ...w 6 Reach back underneath the subassembly and disconnect the two power supply cables connected to the right side of the main system board as shown below Pull each connector straight up Do not pull only on the cables 5 20 Installing and Removing Options ...

Page 105: ...ore you install SIMMs check the following guidelines to ensure that they will work properly 0 Use fast page mode SIMMs that operate at an access speed of 80ns nanoseconds or faster Be sure all the SIMMs operate at the same speed Q The Equity 386SX 16 PLUS can use any industry standard SIMM however you should use Epson SIMM option kits to ensure reliability and compatibility Q Use the correct SIMM ...

Page 106: ...igurations for the Equity 386SX 16 PLUS Bank 1 sockets Bank 2 sockets Bank 3 sockets SIMM1 SIMM2 SIMM3 SIMM4 SIMM5 SIMM6 Total memory K K K K 3MB 1 1 4MB 1 1 K K K K 5MB 1 1 1 1 6MB 1 1 1 1 1 1 8MB 4 4 10MB 4 4 K K K K 11MB 1 1 4 4 12MB 4 4 4 4 18MB 1 1 4 4 4 4 20MB 4 4 4 4 4 4 24MB l t K 256KBSlMM 1 1MBSIMM 4 4MBSlMM If you install this amount of system memory only 16MB of it can be used as exten...

Page 107: ...cover See page 5 2 2 Remove the subassembly See page 5 17 3 The SIMM sockets are located on the front of the main system board near the math coprocessor socket as shown below SIMM sockets SIMM6 SIMM2 math coprocessor socket Installing and Removing Options 5 23 ...

Page 108: ...tion each SIMM so the notch on its edge faces the front of the computer and place it on the left side of the tabs at an angle as shown below 5 Gently push down on the SIMM and at the same time guide the top of the SIMM to the right until it is vertical ing post 5 24 Installing and Removing Options ...

Page 109: ...e 5 42 for instructions on configuring your computer for use with your new memory Removing Memory Modules If you need to remove memory modules from your computer have your dealer do it for you or follow the steps below If you remove them yourself check the table on page 5 22 to be sure you remove SIMMs from the correct sockets Caution Caution It is safer to have your dealer remove SIMMs for you si...

Page 110: ...ockets are located on the front of the main system board near the math coprocessor socket as shown below SIMM sockets A a IMM3 SIMM4 SIMM6 SIMM1 1 SIMM2 math coprocessor socket 5 26 Installing and Removing Options ...

Page 111: ...ou pull away the tabs the SIMM falls to the left When the SIMM is at an angle release the tabs and carefully remove it from the socket 5 Repeat step 4 for each SIMM you need to remove 6 Replace the subassembly See page 5 32 7 Follow the steps on page 5 40 to replace the computer s cover Then see Post installation Setup on page 5 42 for instructions on configuring your computer for use with your de...

Page 112: ...ad the manual that came with your math coprocessor if you received one Then follow the steps in this section to install it in your computer Before you begin be sure to read all of the instructions and warnings carefully so you do not injure yourself or damage the coprocessor or your computer Caution To avoid generating static electricity and damaging your math coprocessor remain stationary when yo...

Page 113: ...the front of the main system board near the SIMM sockets as shown below math coprocessor socket 5 The math coprocessor socket is hollow and square and has a notch in the lower left corner as shown below notch Installing and Removing Options 5 29 ...

Page 114: ... its socket The notched sides must be aligned for the coprocessor to operate properly so be sure its position is correct before you go to the next step Caution If you insert the math coprocessor in the wrong position you could permanently damage it and destroy the components on the main system board Gently push the coprocessor into the socket pressing evenly on all sides as shown below Installing ...

Page 115: ...our computer for use with your math coprocessor Removing a Math Coprocessor If you need to remove a math coprocessor from your computer contact your dealer for assistance You need a special extracting tool to remove the coprocessor without damaging it Do not attempt to remove it without this tool you can easily damage it Follow the steps described earlier in this chapter to remove the subassembly ...

Page 116: ...ow the steps below to replace the subassembly inside your computer 1 Notice that there are four mounting slots on the back of the subassembly two in the upper corners and two in the lower corners 5 32 Installing and Removing Options ...

Page 117: ... computer which fit into the openings in the subassembly slots tabs Lift up the subassembly from your work surface and lower the back end into the computer guiding the top slots on the subassembly into the top tabs on the computer Installing and Removing Options 5 33 ...

Page 118: ...ide Then grasp the two power supply cables labeled P4 and P5 Each connector has six pin holes and a large tab on one side as shown below There is one 12 pin power supply socket on the right side of the main system board toward the back that holds both of the power supply connectors as shown below power supply socket 5 34 Installing and Removing Options ...

Page 119: ... line up the holes in the connector with the pins in the socket and then push in the connector Caution If you do not correctly align the holes with the pins in the socket you could severely damage your computer when you push in the connector 4 Connect power supply connector P5 to the remaining six pins in the socket using the same procedure Installing and Removing Options 5 35 ...

Page 120: ...er the front of the subassembly onto the computer Make sure that all four tabs on the back of the computer are inserted into the slots on the subassembly as you lower it small tabs 5 36 Installing and Removing Options ...

Page 121: ...urved lip sits over the front of the opening If necessary press on the large tab until the subassembly snaps into place 6 Locate the hard disk drive and diskette drive ribbon cables The hard disk drive cable is slightly longer than the diskette drive cable Look at the back of each drive to make sure you know which cable is which Installing and Removing Options 5 37 ...

Page 122: ...sembly as shown below diskette drive socket hard disk drive socket subassembly E l Both sockets have a notch on one side Connect the diskette drive cable first As shown below there is a tab on one side of the connector diskette drive connector tab diskette drive socket pyymqq notch 5 38 Installing and Removing Options ...

Page 123: ...w connect the hard disk drive cable in the same manner 8 To replace the front panel fit the three ridged tabs on its bottom edge into the three notches on the lower edge of the computer as shown below tabs 9 Tilt up the front panel until the clips on the top of the panel touch the computer Then push on the top of the panel until it clicks into place 10 Follow the steps on page 5 40 to replace the ...

Page 124: ...ver 1 Facing the back of the computer hold the cover so that the side with three tabs on the edge faces away from you as shown below tabs 2 Insert the three tabs into the three notches in the back of the front panel of the computer 5 40 Installing and Removing Options ...

Page 125: ...e back of the computer and to an electrical outlet Post installation Setup for Memory Cards After you install an optional memory card you need to configure your computer to use it Follow these guidelines Cl Run the SETUP program to reset your computer s configuration to include the memory on your memory card See Chapter 2 for instructions CL Use the setup program that comes with your memory card t...

Page 126: ...and CMOS RAM you must run SETUP to reconfigure your system and reset the clock See Chapter 2 Note If you installed additional extended memory and want to use any of it as expanded memory see Using Expanded Memory Beyond 640KB in Chapter 4 for instructions If you install a hard disk drive that has never received a hardware level format such as some non Epson hard disk drives you need to format the ...

Page 127: ...r MS DOS Reference Manual and the manual that comes with your optional equipment for instructions You may also want to test a newly installed option Some options come with their own diagnostics test programs and you can use the diagnostic programs on your Reference diskette to test the following 0 System memory Cl Serial and parallel ports Q Disk drives 0 Monitors and display adapters See Appendix...

Page 128: ...5 44 Installing and Removing Options ...

Page 129: ...tandard expandable using 256KB 1MB or 4MB SIMMs up to 24MB the first 16MB can be extended or expanded memory above 16MB can be only expanded memory SIMM access speed must be 80ns or faster 128KB includes system BIOS and VGA BIOS 0 wait state access speed system ROM BIOS and video ROM can be copied into RAM through SETUP 80387SX 16 MHz support Real time clock calendar and CMOS RAM for configuration...

Page 130: ...on main system board Standard VGA with 256KB of video memory supports up to 800 x 600 pixels in 16 color or gray scale mode 15 pin D shell connector RS 232C programmable asynchronous 9 pin D shell connector Standard 8 bit parallel mono directional 25 pin D shell connector Mini DIN 6 pin connector for PS 2 compatible mouse or other device Mini DIN 6 pin connector for PS 2 compatible keyboard Four s...

Page 131: ...le using the following drive types 5 inch diskette drive 1 2MB high density storage capacity 3 inch diskette drive 1 44MB high density storage capacity S inch diskette drive 360KB double density storage capacity 3U inch diskette drive 720KB double density storage capacity 3Sinch form factor hard disk drive s up to half height size the first mounted vertically second mounted horizontally Half heigh...

Page 132: ...on operating Storage range range range Temperature 41 to 95 F 4 to 140 F 4 to 140 F 5 to 35 C 20 to 60 C 20 to 60 C Humidity 20 to 80 10 to 90 5 to 95 non condensing Altitude 330 to 9900 ft 330 to 11880 ft 330 to 39600 ft 100 to 3000 m 100 to 3600 m 100 to 12000 m Maximum 68 F 104 F 134 F wet bulb 20 C 400 C 57 C I Physical Characteristics Width 14 75 inches 375 mm Depth 17 5 inches 444 mm Height ...

Page 133: ...KB Duplicated from 0E0000h Extended memory System BIOS ROM 64KB Default Shadow RAM Duplicated at FF0000h Reserved for system board 64KB Duplicated at FE0000h I O Expansion ROM 96KB Reserved for ROM on I O adapters VGA BIOS ROM 32KB Default Shadow RAM Video memory 128KB Reserved for graphics display buffer Conventional system memory 640KB 16MB Maximum system memory 1MB 640KB Specifications A 5 ...

Page 134: ...A 6 Specifications ...

Page 135: ...ge the hard disk drive jumper settings Your system can include up to three drives either two diskette drives and one hard disk drive or one diskette drive and two hard disk drives Your computer has two horizontal drive bays and one vertical mounting position to hold the drives as shown below horizontal drive bays diskette or hard disk drive Installing and Removing Disk Drives B l ...

Page 136: ...e installed on it You can install an additional drive of one of the following types in the lower horizontal drive bay 0 PA inch diskette drive tape drive CD ROM or other storage device 0 3M inch diskette drive hard disk drive or other storage device with 5 4inch mounting frames installed on it Your computer may have come with a hard disk drive already installed in the vertical mounting position If...

Page 137: ...ribed in this appendix follow the steps in Chapter 5 to remove the computer s cover If you are removing your only hard disk drive see Removing a Hard Disk from the Vertical Position on page B 24 If you are installing a hard disk drive or removing one and leaving another in the computer follow the steps under Setting the Hard Disk Drive Jumpers on page B 4 first If you are installing or removing a ...

Page 138: ... check the jumpers on your drive If you ll be using two hard disk drives see Setting the Jumpers for Two Hard Disk Drives below Setting the Jumpers for Two Hard Disk Drives If you install two hard disk drives in your system you must change the jumper settings on each drive to indicate which drive is the master drive and which is the slave drive A master drive is the drive on which you ll install t...

Page 139: ... connector cable connector The jumpers on your drive may be in a slightly different location but you set them the same way There are four positions for the jumpers on each hard disk drive Jumpers are installed in only two of the positions and the other two positions are left open Installing and Removing Disk Drives B 5 ...

Page 140: ...ers should be set in positions C D and ACT If not change them to these settings Then see Installing a Hard Disk in the Vertical Position on page B 7 for instructions on installing your first hard disk drive If you ll be using two hard disk drives you have a total of four jumpers for eight jumper positions Two jumpers are included with each drive Install three of the jumpers on the master drive in ...

Page 141: ...g a Hard Disk From the Vertical Position on page B 24 so you can access the jumpers on the drive Installing a Hard Disk in the Vertical Position Follow the instructions in this section to install or reinstall a hard disk drive in the vertical mounting position You may need to perform the following procedures tJ Remove the mounting frames from a new hard disk drive 3 Remove the mounting plate from ...

Page 142: ...Removing the Mounting Frames From the Drive Your hard disk drive comes with 5 N inch mounting frames attached to each side of the hard disk drive as shown below B 8 Installing and Removing Disk Drives ...

Page 143: ...ecessary remove the screws securing the plastic guiderail and the metal grounding plate to one of the mounting frames as shown below guiderail screws 2 Remove the four screws securing the mounting frames to the hard disk drive There are two screws securing each frame as shown below screws screws Installing and Removing Disk Drives B 9 ...

Page 144: ...ve in your computer you need to attach a hard disk drive mounting plate to the drive This mounting plate is currently attached to the side of the subassembly as shown below Follow these steps to remove the mounting plate from your computer 1 Turn the computer so that the front panel is facing you The vertical mounting area is located behind the front panel on the right side of the subassembly B 1 ...

Page 145: ...omputer and set it aside Then lift up the mounting plate to remove it retaining screw I 3 Turn your hard disk drive so the components are facing up and the connectors at the back of the drive are facing to the right Installing and Removing Disk Drives B 1 1 ...

Page 146: ...s that you removed from the S Mnch mounting frames and use them to secure the mounting plate to the hard disk drive Installing the Drive Follow these steps to install the hard disk drive in the vertical mounting position 1 Locate the hard disk drive ribbon cable that came with your computer It is a flat cable with three connectors on it one on each end and one in the middle B 1 2 Installing and Re...

Page 147: ...s shown below The ribbon cable socket on the back of the drive has two rows of pins In one of the rows a pin is missing ribbon cable connector I illi I II I c I I II II n mBmmmmmmmmmmmmm m m nmmmmmmmm mmmmmmmmmm blocked hole ribbon cable socket missing pin Installing and Removing Disk Drives B 1 3 ...

Page 148: ...hown below Make sure the holes fit over all the pins and 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 connector 2 Place the hard disk drive on top of the subassembly with the mounting plate facing up B 1 4 Installing and Removing Disk Drives ...

Page 149: ...r has two notched corners power supply socket notched corners The power supply socket is on the back of the hard disk drive next to the cable you just connected The socket also has two notched corners as shown above Align the connector with the socket so that the notched corners on the connector line up with the notched corners of the socket notched corners notched corners Installing and Removing ...

Page 150: ...e the vertical mounting area so the mounting plate is facing the subassembly as shown below Connectors mounting plate sembly Notice that there are two tabs facing downward on the bottom of the mounting plate These tabs will fit into two slots in the right side of the subassembly B 16 Installing and Removing Disk Drives ...

Page 151: ...Then tilt the drive toward the subassembly and align the retaining screw hole on the mounting plate with the hole in the bracket 6 Secure the drive to the bracket with the retaining screw If you used the instructions above to install your drive while the subassembly is out of the computer see Replacing the Subassembly on page B 46 Do not follow the steps in the next section Installing and Removing...

Page 152: ...lting it toward you Then set it aside 2 To lift the subassembly from the front of the computer place your thumbs under the diskette drive and grasp the top edge of the computer with the rest of your fingers as shown in the following illustration If you have a diskette drive installed in the lower horizontal drive bay place your thumbs underneath that drive instead Then lift up the subassembly with...

Page 153: ...3 Raise the front of the subassembly to a slight angle as shown below Installing and Removing Disk Drives B 19 ...

Page 154: ...r other hand grasp the hard disk drive ribbon cable that you tucked beneath the subassembly Pull the cable under the subassembly all the way to its left side 5 Carefully lower the front of the subassembly onto the computer as shown below small tabs B 2 0 Installing and Removing Disk Drives ...

Page 155: ...rge tab with the curved lip sits over the front If necessary press on the large tab until the subassembly snaps into place 6 Locate the hard disk drive socket on the main system board in front of the socket that holds the diskette drive ribbon cable There is a notch on one side of the socket as shown below notch Installing and Removing Disk Drives B 2 1 ...

Page 156: ...old it to align the connector with the socket Make sure the side of the connector with the tab lines up with the side of the socket with the notch Then line up the holes over all of the pins and push in the connector Caution If you do not correctly align the holes with the pins you could severely damage your computer when you push in the connector B 2 2 Installing and Removing Disk Drives ...

Page 157: ...s on the top touch the computer Then push on the top of the panel until it clicks into place Your diskette drive s should be flush with the front of the panel 9 Follow the steps on page 5 43 to replace the computer s cover Then see Post installation Setup on page 5 45 for instructions on configuring your computer for use with your new hard disk drive Installing and Removing Disk Drives B 23 ...

Page 158: ...k From the Vertical Position 1 Turn the computer so that the front panel is facing you The vertically mounted drive is attached to the right side of the subassembly as shown below B 24 Installing and Removing Disk Drives ...

Page 159: ... to the right away from the subassembly and lift it out of the vertical mounting area Turn it over and set it on top of the subassembly with the gray mounting plate facing up Since the drive is attached to its cables make sure you do not try to move it too far away from the subassembly as you turn it Installing and Removing Disk Drives B 2 5 ...

Page 160: ...drive in the same manner as shown above If you removed the drive because you are going to install or remove a drive in a horizontal drive bay follow the instructions under Installing or Removing a Disk Drive in the Horizontal Position on the next page Do not perform steps 6 through 9 below If you are not going to reinstall the hard disk drive you have just removed go to step 6 6 Remove the four sc...

Page 161: ...ll or remove a drive in the lower horizontal drive bay You can use these same instructions if you need to install a different diskette drive in the upper drive bay The illustrations show the lower bay If you are installing a second hard disk or diskette drive you must install it in the lower horizontal drive bay If you have a hard disk drive installed in the vertical mounting position remove it be...

Page 162: ... at the top of the panel and tilt it toward you as shown below Then pull the panel away from the front of the computer clips If you are going to install a hard disk drive in the lower horizontal position set the front panel aside and go to step 4 If you are installing a diskette drive remove the slot cover from the front panel as described in step 3 B 2 8 Installing and Removing Disk Drives ...

Page 163: ... Set the front panel slot cover and screws aside 4 The hard disk drive cable is connected to the main system board on the left side of the subassembly as shown below hard disk drive cable Grasp the connector and pull it straight up to remove it from the socket Do not pull only on the cable Installing and Removing Disk Drives B 2 9 ...

Page 164: ...d the power supply as shown below To remove the subassembly first lift it up from the front only Place your thumbs under the diskette drive and grasp the top edge of the computer with the rest of your fingers as shown in the next illustration If you have a diskette drive installed in the lower horizontal drive bay place your thumbs underneath that drive instead B 30 Installing and Removing Disk Dr...

Page 165: ...7 Lift up the front of the subassembly with your thumbs Raise it to a slight angle as shown below Installing and Removing Disk Drives B 31 ...

Page 166: ...ll only on the cables power supply cables I 9 Lift the entire subassembly out of the computer and carefully place it on your work surface If you are installing a drive follow the instructions under Installing a Disk Drive in the Horizontal Position on the next page If you are removing a drive see Removing a Disk Drive From the Horizontal Position on page B 43 B 32 Installing and Removing Disk Driv...

Page 167: ...alled If your drive did not come with frames installed follow the instructions in the manual that came with it to attach them The illustrations in this section show a diskette drive but you can use the same instructions to install a hard disk drive Follow these steps to install a disk drive 1 If you are installing a 5 inch diskette drive turn it so that the diskette release latch is above the disk...

Page 168: ...e in the lower drive bay and slide it toward the back of the subassembly Watch the oval holes on the side of the drive bay so you can see when the holes on the drive are positioned in the middle of them If you are installing a diskette drive adjust its position so that the front of the drive lines up with the drive in the upper bay A hard disk drive fits all the way into the bay B 34 Installing an...

Page 169: ...f you are installing a diskette drive in the lower drive bay you may want to turn the subassembly upside down and place it on your work surface Then locate the diskette drive ribbon cable one end is connected to the top diskette drive and the other end is free Use the connector in the middle of the cable to connect the second drive As shown in the next illustration there is a large slot in this co...

Page 170: ... with the gap in the interface as shown below divider gap Make sure the cable connector fits properly onto the drive interface and then push it onto the interface Caution If you do not correctly align the connector you could severely damage your diskette drive when you push it in If you removed a hard disk drive from the vertical mounting position go to step 6 If you did not go to step 8 for instr...

Page 171: ...y As shown below there are two rows of holes in the connector One of the holes is blocked with a plastic plug 0 n n n n n n n n n n n n n n n n n n n n nmmmmmmmmQmmmmmmmmmm II I blocked hole 7 Pick up the hard disk drive that you removed from the vertical mounting position Notice the ribbon cable socket on the back of the drive you see two rows of pins In one of the rows a pin is missing Installin...

Page 172: ...e pins and then push in the connector If you will have two hard disk drives in your system perform the procedures in steps 6 and 7 again This time however attach the connector in the middle of the ribbon cable to the horizontally mounted hard disk drive you just installed If necessary turn the subassembly upside down to make it easier to connect the cable B 3 8 Installing and Removing Disk Drives ...

Page 173: ... is next to the ribbon cable connector The socket also has two notched corners as shown below power supply cable power supply socket notched corners You must connect a power supply cable to each drive you install in your system If you ll be reinstalling a hard disk drive in the vertical mounting position connect the power supply cable to this drive first If not connect the power supply cable to th...

Page 174: ... damage your drive when you push in the connector If you do not need to reinstall a vertically mounted hard disk drive see Replacing the Subassembly on page B 46 If you just connected the power supply cable to your vertically mounted hard disk drive perform step 8 again to connect the power supply cable to the drive you just installed in the horizontal drive bay Then see Replacing the Drive on the...

Page 175: ...your subassembly is out of the computer you can install the drive in the manner described below Follow these steps 1 Pick up the hard disk drive and hold it above the right side of the subassembly with the mounting plate facing the subassembly as shown below Notice that there are two tabs facing downward on the bottom of the mounting plate These tabs will fit into two slots in the right side of th...

Page 176: ... cable underneath the drive as you lower it br hole tabs in slots 3 Tilt the drive toward the subassembly and align the retaining screw hole on the mounting plate with the hole in the bracket Secure the drive to the bracket with the retaining screw 4 To replace the subassembly see the instructions on page B 46 B 4 2 Installing and Removing Disk Drives ...

Page 177: ... the lower bay or to remove a diskette drive from the upper bay Follow these steps to remove a drive from a horizontal drive bay 1 Remove the disk drive ribbon cable from the back of the drive as shown below drive ribbon cable 2 Remove the power supply cable from the back of the drive It is located near the ribbon cable interface as shown in the next illustration Installing and Removing Disk Drive...

Page 178: ...power supply cable 3 Using a screwdriver remove the screws securing the drive to the drive bay There are two screws on each side as shown below screws B 4 4 Installing and Removing Disk Drives ...

Page 179: ...ve Jumpers on page B 4 for instructions If you do not need to replace a hard disk drive in the vertical mounting position see Replacing the Subassembly below If you need to reinstall a hard disk drive in the vertical mounting position follow the steps under Installing the Drive on page B 12 However it is easier to replace the drive while the subassembly is out of the computer Follow the steps in t...

Page 180: ...steps below to replace the subassembly inside y o u r c o m p u t e r 1 Notice that there are four mounting slots on the back of the subassembly two in the upper corners and two in the lower corners B 46 Installing and Removing Disk Drives ...

Page 181: ...k surface and lower the back end into the computer fitting the top tabs in the computer into the openings in the top slots on the subassembly 2 Hold up the front of the subassembly at a slight angle and arrange the ribbon cables leading from the back of the drives so they curve underneath the subassembly toward its left side Installing and Removing Disk Drives B 47 ...

Page 182: ...and P5 Each connector has six pin holes and a large tab on one side as shown below There is one 12 pin power supply socket on the right side of the main system board toward the back that holds both of the power supply connectors as shown below power supply B 4 8 Installing and Removing Disk Drives ...

Page 183: ...six pins toward the back of the computer carefully line up the holes in the connector with the pins in the socket Make sure the holes fit over all six pins and then push in the connector 5 Connect power supply connector P5 to the remaining six pins in the socket using the same procedure Installing and Removing Disk Drives B 49 ...

Page 184: ... the front of the subassembly onto the computer Make sure that all four tabs on the back of the computer are inserted into the slots on the subassembly as you lower it small tabs B 50 Installing and Removing Disk Drives ...

Page 185: ...rved lip sits over the front of the opening If necessary press on the large tab until the subassembly snaps into place 7 Locate the hard disk drive and diskette drive ribbon cables The hard disk drive cable is slightly wider than the diskette drive cable Check the back of the drives to make sure you know which cable is which Installing and Removing Disk Drives B 5 1 ...

Page 186: ...in system board on the left side of the subassembly as shown below diskette drive socket hard disk drive socket subassembly Both sockets have a notch on one side The hard disk drive socket is a bit longer than the diskette drive socket B 5 2 Installing and Removing Disk Drives ...

Page 187: ...Make sure the holes in the connector fit over all the pins in the socket and then push in the connector Caution If you do not correctly align the holes with the ping you could severely damage your computer when you push in the connector 9 Now locate the hard disk drive ribbon cable Pull the cable over toward the socket and fold it so the tab and notch are aligned Then connect it in the same manner...

Page 188: ...the top of the panel until it clicks into place The diskette drive s should be flush with the front panel If you removed the slot cover be sure to store it in a safe place in case you need to replace it later 12 Follow the steps on page 5 40 to replace the computer s cover Then see Post installation Setup on page 5 42 for instructions on configuring your computer for use with your new disk drive c...

Page 189: ...ter and monitor Parallel and serial ports By changing settings on the System diagnostics main menu you can run the tests in several different ways You can specify a certain length of time to run a test select to run it continuously until you interrupt it or specify a number of times to run the test If an error occurs during a test note the error message and contact your Epson dealer Your dealer ma...

Page 190: ...e the main menu described below The Main Menu Screen tem board Memory Hard disk Floppy Keyboard Video Misc Basic functionality test CPU protected mode test Processor speed test Coprocessor test DMA controller test Interrupt controller test Timer test Realtime clock test CMOS validity test Run time parameters sting mode T imebound C ontinuous P assbound P It on error Y N Y Error logging Y N N No of...

Page 191: ...u specify how you want to run the test s The help window describes how to use these keys to make menu selections and run diagnostic tests Key t 5 7 Enter F2 F3 F4 F5 F6 Function Move to the next test category Move to the previous test category Move to the next test Move to the previous test Start the test Set the run time parameters Select a test or cancel selection Select all tests Cancel all sel...

Page 192: ...ode in which to run the test You see this prompt Testing mode T imebound C ontinuous P assbound P In Timebound mode the program runs the tests for the amount of time you specify press T and then Enter In Continuous mode the tests run until you interrupt them press C and Enter In Passbound mode the program runs the tests the number of times you specify This is the default setting press P if necessa...

Page 193: ...formation the program needs to perform the test s If you selected Continuous testing the diagnostics program needs no additional information Instead you see this message in the Run time parameters window Test mode continuous If you selected Timebound testing you see this prompt Period OO1 hr 00 min To specify the amount of time you want to run the test s type the number of hours from 000 to 999 an...

Page 194: ...u see this submenu Log errors on disk Log errors to printer LPT1 Log errors to serial port No error logging Press L or to highlight the device on which you want the program to log the error messages and press Enter Press Esc to exit the menu and return to the Error logging prompt If you select No error logging the program changes the error logging response from Y to N If you select the printer LPT...

Page 195: ...ing the tests The program uses this device for error logging until you change it or indicate you do not want error logging When you specify a new device the program erases the existing ERROR LOG file if any When you specify the device for error logging one of these error messages may appear Floppy disk A not present Floppy disk B not present Hard disk C not present Printer port not present Serial ...

Page 196: ...ght the test and press F3 again To run the selected group of tests press F6 The program highlights each test name as it runs the test You can press F4 to select all tests for all devices and press F5 to cancel all selections You cannot run certain tests along with other tests The table below lists the tests that must be run individually Diagnostic tests to be run individually System board Timer te...

Page 197: ...e test If you perform the tests more than once the program uses the same parameters for each pass If you selected Passbound testing the program displays the pass number on the right side of the screen above the Run time parameters window For example Pass 00001 If you entered Y at the Wait on error prompt the program pauses if an error occurs When you press Enter the program continues testing Note ...

Page 198: ...essor Tests the coprocessor DMA controller Tests memory address and page registers of DMA controllers 1 and 2 Interrupt controller Tests interrupt mask registers Timer Compares timer count to RTC Real time clock Compares RTC to time 0 interrupt CMOS validity Tests the CMOS RAM Memory See Memory Diagnostics BIOS ROM Tests data path of BIOS ROM Parity Checks for memory parity errors Pattern Tests fo...

Page 199: ...Adapter Attribute 80 x 25 display 40 x 25 display 320 x 200 graphics 640 x 200 graphics Page selection Color Tests the keyboard controller Tests the scan codes assigned to the keys Tests the keyboard clock line Tests the keyboard data line Tests the display adapter memory Tests the display adapter attributes Tests the 80 x 25 display Tests the 40 x 25 display Tests the 320 x 200 graphics display T...

Page 200: ...tests or they will not work properly If an error occurs during a memory test the program displays this message Press Enter to view faulty memory chip Press Enter The program displays a diagram of the main system board and highlights the faulty memory chip Hard Disk Diagnostics Hard disk diagnostic tests may be destructive or non destructive Destructive diagnostics destroy data on the hard disk but...

Page 201: ...specified may be lost Do you still want to continue Y N Press Y and Enter to begin the test Press N and Enter to stop the operation Hard Disk Parameters The program may ask for the following parameters Disk drive identifier Disk drive type Interleave factor Bad track list Start cylinder number End cylinder number Start head number End head number Each parameter is described below Performing System...

Page 202: ...ible drive types If you need to change the type use 7 or to highlight the drive type that matches your hard disk and press Enter If you select the User defined option type 47 the program prompts you for the following information Number of cylinders Number of heads Number of sectors per track Write precompensation presence Write precompensation cylinder number Landing zone Interleave factor The int...

Page 203: ...ry Revise an entry Delete an entry Clear bad track list Save and Exit Use 1 or 1 to highlight a menu option and press Enter Then enter the correct track information When the bad track list is correct highlight Save and Exit and press Enter Note When you run the Media analysis test the program automatically marks the bad tracks when it formats the disk Start and end cylinder numbers The program dis...

Page 204: ... the highest head number of your hard disk For example the default end head number for the 40MB disk is 4 After you specify the hard disk parameters press Y and Enter at the Proceed prompt to run the test Hard Disk Format The Hard disk format program performs a low level format on your hard disk If your computer came with a factory installed hard disk or if you have installed an optional Epson har...

Page 205: ...ot enter a bad track list before you format the disk the format program analyzes the surface of the hard disk to determine the bad tracks Media Analysis This test identifies the bad tracks on the hard disk by analyzing the surface of the disk to find them The program uses three different bit patterns formatting the disk marking the bad tracks and displaying the bad track list Caution The Media ana...

Page 206: ...e in milliseconds using this formula Seek time timer ticks x 1000 18 2 x 200 The number of seeks is 200 A higher data transfer rate and a lower seek time indicate better disk performance Seek Test This test checks the seek capability of the hard disk on the specified range of cylinders and heads The program performs a series of sequential seeks followed by random seeks and reports any errors Read ...

Page 207: ...ng it Caution The Force bad tracks test destroys any data on your hard disk Hard Disk Error Messages The diagnostics program displays two types of error messages while testing the hard disk messages the program generates and those the controller generates The following message appears if you try to run the Performance Test with less than 128KB of available memory Insufficient memory for data trans...

Page 208: ...fault on selected drive If you see one of these error messages check the drive controller cables and power connectors If you still get an error contact your dealer Floppy Disk Diagnostics Floppy disk diagnostic tests may be destructive or non destructive Destructive diagnostics destroy data on the diskette but non destructive diagnostics do not The following table lists which tests are destructive...

Page 209: ...t diagnostic test Tests requiring a specially formatted diskette Test Drive speed test Random R ead W rite test Sequential R ead W rite test Drive change line test F u n c t i o n Verifies how fast the diskette drive rotates a diskette A 1 2MB 5 inch diskette drive should rotate a 1 2MB diskette at 360 RPM and a 360KB diskette at 300 RPM A 1 44MB 3 2 inch drive should rotate a diskette at 300 RPM ...

Page 210: ...ess Y and Enter at the Proceed prompt to begin the test Press N and Enter to return to submenu Note When you are finished running any of these tests on the test diskette you must reformat it using the MS DOS FORMAT command before you can use it with MS DOS Floppy Disk Error Messages The diagnostics program displays two types of error messages while testing a diskette drive messages the program gen...

Page 211: ...error Record not found Timeout error These errors could occur because of a faulty drive controller or cable or if you attempt to run a test on a write protected or unformatted diskette Miscellaneous Diagnostics These tests are listed in the Miscellaneous diagnostics submenu to provide a complete check of the parallel and serial ports Printer adapter test Comm adapter test Printer Adapter Test This...

Page 212: ...T type loopback connector to the port This connector enables the test to send out data and receive the same data back on one line You can purchase the connector from most electronic supply stores Be sure the connector is configured with the following settings D RD and TD shorted 0 DSR and DTR shorted CI CTS and RTS shorted This test resets the computer to check for possible errors Then it checks t...

Page 213: ...act your dealer Exiting System Diagnostics To exit from the System diagnostics program press Esc You see the following prompt Do you want to exit diag Y N N Before you press a key remove the Reference diskette from drive A If you do not have a hard disk insert your MS DOS Startup diskette in the drive Then press Y and Enter to exit the program You see this message Stand by while system is rebootin...

Page 214: ...C 26 Performing System Diagnostics ...

Page 215: ... see Where to Get Help in the Introduction Identifying Your System When you request technical assistance be ready to provide the serial number of your computer its ROM 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 can find the serial number on the computer s back panel If...

Page 216: ...contains a series of diagnostics programs called power on diagnostics which your 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 The RAM test program displays the total amount of memory currently installed in your system If the computer finds an error it displays an error message o...

Page 217: ... on the computer again If the power light still does not come on check the electrical outlet for power Turn off your computer and unplug the power cord from the wall outlet Plug a lamp into the outlet and turn it on to see if the outlet supplies power If you installed or removed any of your system components such as a disk drive check to make sure you have reconnected all the internal and external...

Page 218: ...ou changed If the computer does not display the MS DOS prompt after five minutes press the RESET button and try again If that doesn t work insert the Reference diskette in drive A and press the RESET button If the computer still does not boot contact your Epson dealer 3 Did you enter the correct password See Password Problems below 4 Could your software be causing the problem If you are running an...

Page 219: ... adapter If you have not set the jumper you will not see any display on the screen You may also need to set jumpers J3 and J5 See Changing the Jumper Settings in Chapter 5 for instructions Password Problems If you set a password using the SETUP program you must enter it before you can use the system When you turn on the computer it runs a memory test Then the screen displays the Enter Password pro...

Page 220: ...ress Enter You see the SETUP menu Follow the instructions in Chapter 2 to either set a new password or select Not Installed if you do not want to set a new password Be sure to save your SETUP information when you exit the program 5 Turn off the computer and follow the instructions under Changing the Jumper Settings in Chapter 5 to enable the password function by setting jumper J2 to position B 6 I...

Page 221: ...structions 2 If the cursor keys do not work properly the num lock function may be on When num lock is on the numeric arrow keys on the numeric keypad work only as numbers Check to see if the Num Lock indicator in the upper right corner of the keyboard is lit if it is press the Num Lock key to turn off the function 3 If nothing happens when you type on the keyboard see The Computer Does Not Respond...

Page 222: ...er 4 If you still do not see anything on the screen make sure your monitor is connected to the computer properly See Connecting a Monitor in Chapter 1 for more details Also check the monitor manual for instructions on how to connect it to the computer 5 Make sure your monitor and display adapter match and if you installed a display adapter card be sure any switches or jumpers on the card are set p...

Page 223: ... still having difficulty with your monitor run the Video diagnostic tests described in Appendix C If the diagnostics program indicates an error contact the place where you bought the monitor Diskette Problems If you see an error message or have trouble accessing data on a diskette try the following steps 1 Did you turn down the diskette drive latch on a 5 inch drive to secure the diskette in the d...

Page 224: ...ide or there may be no notch On a 3 M inch diskette the write protect switch may be set to the write protect position or there may be no switch You cannot alter data on a write protected diskette Some application programs do not function properly if the diskette is write protected Check the program manual See Chapter 3 for information 6 Is the diskette formatted A new diskette must be formatted be...

Page 225: ...n application program may have updated the storage information on the diskette incorrectly This is probably the case if you have one of these problems 0 Part of a file is missing 0 A file includes parts of other files c3 An expected output file is missing Use CHKDSK to make the necessary repairs see your MS DOS Reference Manual for instructions Diskette Drive Problems If you see an error message o...

Page 226: ... preparation or corrupted data The suggestions in this section are divided into three categories Q Installing the drive Q Preparing the drive for use D Accessing data on the drive Consult the section that seems most likely to cover the problem you are having For example if you have been able to use data on your disk in the past but suddenly cannot see Accessing Data on the Drive Caution If your di...

Page 227: ...cturer A blank new hard disk must be formatted or initialized before you can partition it and install an operating system on it This type of format is usually done by the manufacturer if yours was not you must do it yourself If the drive came with its own format utility use that program if not follow the instructions in Appendix C under Hard Disk Format Note that this physical type of format is di...

Page 228: ... 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 when you turn on the computer If you are sure the hard disk has been installed properly and you have prepared it for use as described above but you cannot access the drive review the instructions in your MS DOS Installation Guide Make sure you ...

Page 229: ... 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 have inserted the correct diskette in drive A 2 Your computer can run at either high speed 16 MHz or low speed 8 MHz While almost all programs work properly at the faster speed some must run at the slower speed Check your software manual ...

Page 230: ...does not work at all check that the printer has power and is properly connected to the computer Also make sure your printer has paper in it See Chapter 1 for instructions or see your printer manual 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 p...

Page 231: ...our printer manual for additional instructions on using your printer with application programs Try running the Printer adapter diagnostics test if you have a parallel printer or the Communication adapter test if you have a serial printer Appendix C describes these tests If the test indicates an error contact your printer dealer Option Card Problems If you install an option card and it is not funct...

Page 232: ... option card If necessary see your software manual for instructions Mouse Problems If you have trouble with your mouse check the following 1 Make sure that your mouse is securely connected to its port on the back of the computer Also make sure you have connected it to the correct port See Chapter 1 for more information 2 If the mouse is connected properly make sure that jumper J4 on your computer ...

Page 233: ...Memory Modules in Chapter 5 and make sure you followed all the instructions 2 Be sure to run the SETUP program after you install or remove memory modules to automatically update your memory configuration See Chapter 2 for instructions 3 If you are still having trouble with your SIMMs write down any error messages and contact your dealer Battery Problems The battery in your computer is a 3 6 volt l...

Page 234: ...e installed the coprocessor incorrectly See Chapters 2 and 5 for more information Caution Do not attempt to remove the math coprocessor yourself Contact your dealer for information about a special extraction tool that is needed to remove it 2 If your math coprocessor is listed as Installed in the SETUP program but still does not seem to be working check the manual that came with it for troubleshoo...

Page 235: ...merican Standard Code for Information Interchange A standardized coding system for representing characters such as numbers letters and graphic symbols An ASCII character occupies one byte of storage Many different computers printers and programs can use files transmitted in ASCII code Asynchronous A method of data transmission in which one machine sends data one character at a time to another mach...

Page 236: ...ain memory Batch file A type of file that lets you execute a series of MS DOS commands by typing one command Batch files are text files with the filename extension BAT When you type the filename MS DOS executes all the commands in that file sequentially BIOS Basic Input Output System Routines in ROM Read Only Memory that handle basic input output functions of the operating system and the video con...

Page 237: ...ers punctuation marks and graphic symbols CMOS Complementary Metal Oxide Semiconductor A type of low power silicon chip Code A system of symbols for representing data or instructions Also any software program or part of a program Command An instruction you enter usually on a keyboard to direct your computer to perform a specific function Command prompt The symbol or message that tells you MS DOS i...

Page 238: ...o process certain mathematical calculations faster Copy protected program A type of program that cannot be copied Some copy protected programs require you to leave the program diskette in the drive while you are using it Some also require the computer to be running at low speed 8 MHz instead of high speed 16 MHz See also Automatic speed CPU Central Processing Unit The primary unit of the computer ...

Page 239: ...ram files Default Any value or setting that takes effect when the computer is turned on or reset A default value stays in effect unless you override it temporarily by changing a setting or you reset the default value itself Delimiter A character or space used to separate different parts of an MS DOS command Device A piece of equipment that is part of a computer system and performs a specific task ...

Page 240: ...ectories Disk The collective term for diskettes and hard disks Disk drive The physical device that allows the computer to read from and write to a disk A diskette drive has a disk slot into which you insert a diskette A hard disk is sealed inside a protective unit Diskette A flat piece of flexible plastic coated with magnetic material used to store data permanently Display adapter card A circuit b...

Page 241: ...e of display adapter card that allows you to display high resolution graphics on a compatible monitor It can display up to 43 lines of text with 80 characters on each line or it can display monochrome or 16 color graphics at resolutions up to 640 x 350 Expanded memory Memory that specially written MS DOS application programs can use with an Expanded Memory Specification EMS device driver such as E...

Page 242: ...mat To prepare a new disk or an old one you want to reuse so that it can store information Formatting divides a disk into tracks and sectors and creates addressable locations on it Graphics Lines angles curves and other nonalphanumeric data Hard disk The enclosed unit used to store large amounts of data Unlike a diskette it is fixed in place It can process data more rapidly and store many more fil...

Page 243: ... disk drive or the main system board to activate a particular function Key disk A diskette containing a copy protected program that must remain in the diskette drive while you are using the program Kilobyte KB A unit used to measure storage space in a computer s memory or on a disk One kilobyte equals 1024 bytes LIM 4 0 EMS Version 4 0 of the Lotus Intel Microsoft Expanded Memory Specification a p...

Page 244: ...mory or on a disk One megabyte equals 1024KB Megahertz MHz A unit used to measure oscillation frequency of a computer s internal timing clock A megahertz is one million cycles per second The Equity 386SX 16 PLUS operates at 16 MHz or 8 MHz Memory The area where your computer stores data Memory contents are stored permanently in ROM or temporarily in RAM Memory module A small circuit board that con...

Page 245: ...ransmit signals over telephone lines so it can send and receive data Modem stands for MOdulator DEModulator Monitor The piece of hardware that contains the screen and displays information Monochrome monitor A monitor that displays in only one color such as green or amber as opposed to a color monitor which can display in several colors Mouse A hand held pointing device with one or more buttons Whe...

Page 246: ... OS 2 or UNIX that manages a computer s operations The operating system determines how programs run on the computer and supervises all input and output Option card A circuit board you install inside the computer to provide additional capabilities such as a modem Parallel The type of interface that transmits all the bits in a byte of data simultaneously over separate lines See also Interface and Se...

Page 247: ...rs up to seven you type after you turn on the computer in order to access and use 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 Port A physi...

Page 248: ...u 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 copy data from one area to another For example when you open a text file stored on disk the computer reads the data from the disk and displays it on the screen Read write head The physical device inside a disk drive that reads data from and records data on the...

Page 249: ...ctory The top level directory in MS DOS designated by a backslash All other directories are subdirectories of the root directory RS 232C A widely used standard type of serial interface You can connect an RS 232C compatible device to the built in port on your computer Sector A contiguous section of a disk track that provides an address at which the computer can access data Self lest The initial dia...

Page 250: ...hat branches down from another subdirectory or from the root directory Switch An option added to an MS DOS command that modifies the way the command works Switches are usually preceded by a forward slash For example if you add the S switch to a FORMAT command MS DOS installs the operating system on the diskette as it formats it See also Parameter System diagnostics A series of checks you can perfo...

Page 251: ...rd A display adapter card that can be installed in one of the computer s option slots to provide a monitor interface Your computer comes with a built in VGA adapter so you do not need to install a video card if you are going to use this interface Write To store data on a disk Write protect To protect the data on a diskette from being changed by placing a write protect tab over the notch on a 5Mnch...

Page 252: ...18 Glossary ...

Page 253: ...see Video cards CGA emulation 4 12 Clock calendar RAM A l Clock real time 2 3 A l Clock speed 2 11 CMOS RAM 1 18 2 2 2 17 5 2 5 8 A l Color graphics adapter CGA card see Video cards Command stopping 3 3 4 CONFIGSYS 1 14 4 7 11 Connecting keyboard 1 12 13 modem 1 11 monitor 1 4 8 mouse 1 13 14 power cord 1 15 16 printer 1 8 11 Consumer Resource Center number Intro 4 Control codes CTRL ALT 1 4 4 CTR...

Page 254: ...ork 3 6 8 inserting 3 15 16 labelling 3 11 problems D 9 11 read write slot 3 15 removing 3 15 16 Diskette s storing 3 11 swapping 3 14 system 3 17 types 3 8 10 write protecting 3 12 13 Display adapter see VGA port Display adapter cards see Video cards Display screen see Monitor Display type 2 8 9 Double density diskettes 3 8 9 Double sided diskettes 38 9 Drives see Diskette drive see Hard disk E E...

Page 255: ...g frames B 7 10 mounting plate B 10 12 parking the heads 3 19 20 partitions 3 18 C 16 D 14 physically formatting C 16 17 precautions 3 19 Hard disk preparing for moving 3 19 20 preparing for use 3 18 problems D 12 15 removing B 1 54 setting types 2 5 8 slave drive B 4 B 6 specifications A 3 storage capacity 3 18 tests C 12 20 types 2 5 8 HDSIT 3 19 20 Help where to get Intro 4 Hercules card see Vi...

Page 256: ... problems D 19 specifications A 1 tests C 10 C 12 MGA card see Video cards MODE 1 11 Modem connecting 1 11 Monitor connecting 1 4 8 diagnostics C l 1 12 interface A 2 jumper 5 5 8 multi frequency 1 4 4 11 problems D 8 9 selecting type 1 7 2 8 9 tests C l 1 12 Monochrome graphics adapter card see Video car Mounting frames hard disk B 7 10 Mounting plate hard disk B 10 12 Mouse connecting 1 13 14 po...

Page 257: ...ary display type 28 9 Primary port 2 15 16 Printer adapter test C 23 24 connecting 1 8 11 parallel interface 1 8 10 A 2 problems D 16 17 serial interface 1 11 A 2 Processor speed 2 11 4 2 6 D 15 Protector card 1 3 1 16 3 20 R RAM test C 10 C 12 D 2 Random access memory RAM 2 2 2 10 3 14 D 2 Read only memory ROM 2 1 2 10 A l D 2 Read write heads 3 8 3 19 20 Real time clock 2 3 A l Redirecting print...

Page 258: ... 12 Software problems D 15 16 Speaker A 2 Special keys 3 2 3 Specifications A 1 5 Speed changing see Processor speed Subassembly installing 5 32 39 B 46 54 removing 5 17 21 B 28 32 System BIOS 2 10 board tests C 10 diagnostics C 1 25 memory see Memory setting up 1 1 18 T Time setting 2 3 Timer check D 2 Tracks 3 7 9 Troubleshooting D 1 20 TURBO light 2 11 4 2 Turning off computer 1 18 Turning on c...

Page 259: ...Video diagnostics C l 1 12 Video graphics array VGA built in port see VGA port card see Video cards Video monitors see Monitors Video ROM 2 10 W Windows 2 12 4 7 WordPerfect 4 12 WordStar 4 12 Write protecting diskettes 3 12 13 Write protect notch 3 12 Write protect switch 3 13 Write protect tab 3 12 X XCOPY 3 10 3 17 Index 7 ...

Page 260: ...disk light access light diskette drive power button RESET button diskette hard disk or release latch diskette drive slot power light power inlet option card slots VGA monitor port parallel port keyboard port serial port ...

Page 261: ...EPSON ...

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