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Caution

B e c a r e f u l n o t t o b e n d t h e j u m p e r p i n s o r d a m a g e a n y

s u r r o u n d i n g c o m p o n e n t s o n t h e m a i n s y s t e m b o a r d .

The following Table lists the jumper settings and their functions:

Main system board jumper settings

Factory setting

Installing

and

Removing Options

5-7

Содержание Equity 286 PLUS

Страница 1: ...EPSON E Q U I T Y 2 8 6 P L U S U s e r s G u i d e ...

Страница 2: ...ifferent from that to which the receiver is connected l Consult the dealer or an experienced radio TV technician for help W A R N I N G 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 us...

Страница 3: ...EPSON E Q U I T Y 2 8 6 P L U S User s Guide ...

Страница 4: ...g recording or otherwise without the prior written permission of Epson America Inc No patent liability is assumed with respect to the use of information contained herein 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 contai...

Страница 5: ... over a radiator or heat register This product should not be placed in a built in installation unless proper ventilation is provided This product should be operated from the type of power source indicated on the marking label If you are not sure of the type of power available consult your dealer or local power company This product is equipped with a 3 wire grounding type plug a plug having a third...

Страница 6: ...duct from the wall outlet and refer servicing to qualified service personnel under the following conditions A When the power cord or plug is damaged or frayed B If liquid has been spilled into the product C If the product has been exposed to rain or water D If the product does not operate normally when the operating instructions are followed Adjust only those controls that are covered by the opera...

Страница 7: ...he password function set jumper J6 to position A On pages 5 13 through 5 17 the illustrations and descriptions of your computer s option slots indicate that the 8 bit slot is slot number 1 and that the 16 bit slots are numbers 2 through 4 The 8 bit option slot is actually slot number 4 and the 16 bit slots are slot numbers 1 through 3 Please keep this in mind as you read these pages Epson is a reg...

Страница 8: ... Interface l 4 Using a Display Adapter Card l 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 Se...

Страница 9: ...ting the Disk Drive Controllers 2 15 Saving Your Settings 2 16 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 4 Resetting the Computer 3 4 Using a Password 3 6 Using Disks and Disk Drives 3 7 How Disks Store Data 3 7 Types of Diskette Drives 3 9 Caring for Diskettes and Diskette Drives 3 11 Write prot...

Страница 10: ...18 Chapter 5 Installing and 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 17 Removing the Subassembly 5 18 Adding Memory Modules 5 22 Installing Memory Modules 5 23 Removing Memory Modules 5 26 Installing a Math Coprocessor 5 29 Removing a Math Coprocessor 5 33 Repl...

Страница 11: ...ing 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 Subassembly B 28 Insta...

Страница 12: ... HardDiskParameters Hard Disk Format Media Analysis Performance Test C 18 C 2 C 2 C 4 C 6 C 8 C 8 C 10 C I 2 C 12 C 13 C 16 C 17 SeekTest Read Verify Test Check Test Cylinder Force Bad Tracks Hard Disk Error Messages Floppy Disk Diagnostics Performing the Tests Floppy Disk Error Messages Miscellaneous Diagnostics Printer Adapter Test Communication Adapter Test Exiting System Diagnostics C 18 C 18 ...

Страница 13: ... 6 Keyboard Problems D 7 Monitor Problems D 8 Diskette Problems D 9 Diskette Drive Problems D 11 Hard Disk Problems D 12 Installing the Drive D 13 Preparing the Drive D 14 Accessing Data on the Drive D 15 Software Problems D 16 Printer Problems D 17 Option Card Problems D 18 Mouse Problems D 19 Memory Module Problems D 19 Battery Problems D 20 Math Coprocessor Problems D 20 Glossary Index X ...

Страница 14: ...evices directly to the computer so you do not have to install option cards You can use the option slots to install additional devices such 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 The Equity 286 PLUS also offers shadow RAM to speed up processing by moving the ...

Страница 15: ...which options are available Operating Systems and Other Software You probably have a version of MS DOS to use with your Equity 286 PLUS Epson has enhanced MS DOS by adding two time saving utilities HELP and MENU that make it easier to use The HELP program lets you display information on the screen about any MS DOS command MENU provides an easy way to run many of these commands Note MS DOS is not t...

Страница 16: ...use MS DOS See your MS DOS manuals for comprehensive instructions on installing and using the operating system You do not need to read everything in this book see the following chapter summaries Chapter 1 provides simple step by step instructions for setting up your system On the back cover foldout are illustrations identifying the different parts of your computer refer to these as you set up your...

Страница 17: ...ustomer support and service for Epson products are provided by a network of authorized Epson dealers and Customer Care Centers throughout the United States Epson America provides product information and support to its dealers and Customer Care Centers Therefore we ask that you contact the business where you purchased your Epson product to request assistance If the people there do not have the answ...

Страница 18: ...ant 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 1 4 inch diskette drive If your system has a M inch diskette drive instead and you need additional instructions see Chapter 3 when necessary Choosing a Location Setting Up Your System 1 1 ...

Страница 19: ...ulation Air must be able to move freely under the system and behind it Leave several inches of space around the computer Moderate environmental conditions Protect your computer from extremes in temperature humidity dust and smoke Avoid direct sunlight or any other source of heat High humidity also hinders operation so select a cool dry area Appropriate power sources To prevent static charges conne...

Страница 20: ...t flip the latch up to pop the card out part way then pull it out as shown below If you have a second 5 1 4 inch diskette drive be sure to remove the protector card from that drive as well 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 You...

Страница 21: ...ou have any other type of monitor see Using a Display Adapter Card below 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 monito...

Страница 22: ...nsert the plug into the port the connector should fit in easily when properly oriented as shown below 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 tighten them by hand or with a screwdriver depending on the screw type Setting Up Your System 1 5 ...

Страница 23: ...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 ...

Страница 24: ...nd monitor are properly matched Monitor video card compatibility Monitor Monochrome Color or EGA Video card Monochrome display adapter MDA Multi mode graphics adapter MGA Enhanced graphics adapter EGA Hercules graphics card Color graphics adapter CGA Multi mode graphics adapter MGA Enhanced graphics adapter EGA l EGA cards support only EGA monitors When you are installing the video card check to m...

Страница 25: ...se you can follow the steps in Using the VGA Interface above just insert your monitor connector into the video card port instead of the built in VGA port 4Connecting a Printer or Other Device Your computer has both parallel and serial interfaces TO connect a printer or other peripheral device to one of these interfaces follow the instructions below Of course Epson offers a full range of printers a...

Страница 26: ...e end of the printer cable has a 25 pin D shell connector Position the plug to match the orientation of the parallel interface marked with a special icon Then insert 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 l 9 ...

Страница 27: ...o 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 prong 120 volt grounded electrical outlet 1 10 Setting Up Your System ...

Страница 28: ... steps as above for connecting a parallel device but insert the connector into the serial port marked with a special icon as shown below 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 SETMODE co...

Страница 29: ...the 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 ...

Страница 30: ...ctor If you have purchased a mouse with this type of connector you can connect it to the built in port on your computer If you have another kind of mouse that requires a different interface port you need to install the 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 the a...

Страница 31: ...o 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 instructions...

Страница 32: ...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 prong 120 volt grounded electrical outlet Setting Up Your System 1 15 ...

Страница 33: ... can damage the computer s circuitry Do not leave a beverage on top of or next to 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 five seconds before you remove the cover Only remove the cover to access optional devices change jumper settings or replace the battery Follow these st...

Страница 34: ... the computer completes each time you turn it 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 m...

Страница 35: ...d then go on to Chapter 2 for instructions on running the SETUP program N o t e If your computer s configuration does not match the information stored in the computer s CMOS RAM defined through the SETUP program you see an error message and a prompt to press the F1 key Press F1 to continue You need to run the SETUP program to correct the information See Chapter 2 for instructions Turning Off the C...

Страница 36: ...n 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 0 0 0 0 cl 0 cl 0 0 0 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 functio...

Страница 37: ...SUME Press Fl to run SETUP and correct the setting Starting 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 pr...

Страница 38: ... bottom of the menu it describes the options available or any other keys to press to change the highlighted configuration parameter The rest of this chapter describes 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 ...

Страница 39: ...ay have added another drive or replaced the existing drive with one of a different size or capacity The SETUP menu offers five possible selections for your diskette drives A and B 0 1 2MB 51 4 inch D 360KB 51 4 inch 0 1 44MB 31 2 inch 0 72OKB 31 2 inch 0 Not installed Check the settings displayed for both drives and correct them if necessary If you have only one diskette drive select Not installed...

Страница 40: ...ou 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 drives yo...

Страница 41: ...Hard disk drive types 2 6 Running the Setup Program ...

Страница 42: ... or 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 the parameters listed Cyln Head WPcom LZone Set Size 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 HDS...

Страница 43: ...ines the display adapter the built in video port or 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 monito...

Страница 44: ...d or another type of card that you want to be the primary display adapter you must set jumper J3 on the main system board to disable the built in VGA interface You also may need to set jumper J5 to tell the computer the type of monitor you are using either monochrome or color If you have two types of cards set the jumper to match the monitor that is your primary display See Chapter 5 for instructi...

Страница 45: ...o place in the shadow RAM area 0 System 0 Video 0 System and video 0 None Select System Video unless 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 Setting the CPU Clock Speed This option lets you set the speed at which your computer s processor oper...

Страница 46: ...puter switch to low speed automatically when necessary Note You may not want to use automatic setting for certain copy protected programs See changing the Processor Speed in Chapter 4 for more information In addition to selecting the default operating speed through SETUP you can change the speed temporarily by giving a keyboard command or by running the ESPEED program See Changing the Processor Sp...

Страница 47: ... in Chapter 4 Setting the Password The SETUP program lets you set a password to control who can use your system This is an optional feature and if you do not want to define a password 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 the computer ...

Страница 48: ...nter or write it down and keep it in a safe place If you cannot remember it you will not be 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 use the backspace key to erase it and then t...

Страница 49: ... to select LPT2 or LPT3 for the built in port Follow these guidelines 0 If you are using only the built in port select LP T 1 Also select LPTl if you have installed an additional port but want to keep the built in port the primary adapter LI 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...

Страница 50: ... primary you need to select COM2 for the built in port If you install a card or cards that provide two additional serial ports and you want them to act as the primary and secondary ports you need to select Disab1e for the built in port Note Be sure to also set any jumper s on the card s you install to indicate whether you want the port s to be primary or secondary Setting the Disk Drive Controller...

Страница 51: ...er runs through its power on diagnostic tests Then you see the prompt to press Del if you want to run SETUP If something is wrong however you see an error message and a prompt to run SETUP 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 com...

Страница 52: ...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 ...

Страница 53: ...Caps Lock Shift Ctrl Purpose Changes the letter keys from lower to uppercase changes back to lowercase when pressed again The numeric symbol keys on the top row of the keyboard and the symbol keys in the main part of the keyboard are not affected Produces uppercase characters or the top symbols on the keys when used with the main character keys Produces lowercase characters when the Caps Lock func...

Страница 54: ...ion of the numeric cursor keys from entering numbers to positioning the cursor changes back when pressed again Cancels the current command line or operation Perform special functions within application programs Prints the screen display on a line printer Generates the System Request function in some application programs used with Alt Controls scrolling in some applications Suspends the current ope...

Страница 55: ...he computer to stop a program or command If you created new data and have not yet stored it the data will be erased if you turn off the computer The computer stores your data in its memory area RAM until you save it but the data is erased each time you turn off or reset the computer Resetting the Computer Occasionally you may want to clear the computer s current settings or its memory without turn...

Страница 56: ...er 0 If you are using MSDOS hold down Ctrl and Alt and press the Del key The screen goes blank for a moment and then the computer should reload MS DOS If it doesn t try the next method 0 Press the RESET button on the front panel This method works even when the computer does not respond to your keyboard entries If resetting the computer does not correct the problem you probably need to turn it off ...

Страница 57: ...word 3 Type your password at the prompt The screen does not display the characters you type Then press Enter After you type the password correctly and press Enter you see the Press Del to start SETUP prompt Ifyou do not press Del the computer loads MS DOS and displays the MS DOS command prompt If you do not enter the correct password the first time press Enter and try again If you want to change o...

Страница 58: ...ta Diskettes are made of flexible plastic coated with magnetic material This plastic is enclosed in a square jacket that is either slightly flexible 5 1 4 inch diskette or hard 3 1 2 inch diskette Unlike a diskette a hard disk is rigid and fixed in place It is sealed in a protective case to keep it free of dust and dirt A hard disk stores data the same way that a diskette does but it works much fa...

Страница 59: ...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 the number of tracks depends on the capacity of the hard disk The number of sectors depends on the type o...

Страница 60: ...f diskette drives you can use in your computer and which diskettes to use with them 0 1 2MB drive Use 5 1 4 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 approximately 500 pages of text Note MB stands for megabyte which equals 1024KB or 1 048 576 bytes KB stands for ...

Страница 61: ... You must format a new diskette before you can store data on it See Formatting Diskettes later in this section Drive and diskette incompatibilities If your computer has more than one type of diskette drive or if you use different types 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 31 2 inch ...

Страница 62: ...rives are not the same type For more about copying files and diskettes see your MS DOS Reference Manual Caring for Diskettes and Diskette Drives Follow these basic precautions to protect your diskettes and avoid losing data 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...

Страница 63: ...tte by its protective jacket and never touch the magnetic surface exposed by the read write slot The oils on your fingertips can damage it 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 to...

Страница 64: ...lete any files it contains If you try to change data stored on a write protected diskette MS DOS displays an error message To write protect a 51 4 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 1 4 inch diskettes To remove the write protection peel off the write protect tab Using You...

Страница 65: ...he diskette until it clicks into position exposing a hole in the comer 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 3 14 using Your com...

Страница 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...

Страница 67: ...read write slot leading into the drive as shown below Slide the diskette into the slot until 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 diskette 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 ...

Страница 68: ...e until it clicks into place 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 Using Your Computer 3...

Страница 69: ...all your data and system diskettes Make backup or working copies of all diskettes that contain programs such as your MS DOS diskette and the Reference diskette that came with your computer Then use only the copies Store the original diskettes in a safe place away from your working diskettes Also copy your data diskettes regularly whenever you revise them to keep them up to date and store them away...

Страница 70: ...ettes 0 Your computer can perform all disk related operations faster Ll You can store frequently used programs and data files on the hard disk eliminating the inconvenience of swapping diskettes to access different files The added storage capacity makes it easy to move back and forth between different programs and data files However because it is so easy to add programs and files to your hard disk...

Страница 71: ...ht indicates that the computer is copying data to or from the hard disk If you interrupt this process you can lose data Never attempt to open the hard disk drive The disk itself is enclosed in a sealed container to protect it from dust Before you move your computer even a short distance you need to run the HDSIT program to prepare the hard disk for moving as described below Preparing the hard disk...

Страница 72: ... the keyboard Remove any diskettes and turn off the computer You are now ready to move it to the new location Note For convenience you 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 manual for...

Страница 73: ...of these 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 DO...

Страница 74: ...batch files Changing the Processor Speed Your computer s processor can operate at two speeds high and low High speed is 12 MHz 1ow is 6 MHz On high the computer can access memory faster than on low Your processor is set to operate at high speed 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...

Страница 75: ... on a diskette or that requires a key disk try to start the program on high speed If this works you do not need to set the speed to change automatically If you can t load the program on high set the speed to change automatically 0 If you are using a copy protected program that does not require a key disk but requires a special procedure to install the program on a hard disk set the speed to low wh...

Страница 76: ...z Ctrl Alt Changes the processor speed to low 6 MHz For the and characters press the keys on the numeric keypad The commands do not work if you use the keys on the main keyboard Note You can use the commands listed above while you are running a program However if you are running a program that uses one of the same commands for another function you cannot use that command to change the processor sp...

Страница 77: ...s or if you want to include the program command in a batch file The ESPEED program is provided with your system on the Reference diskette If you do not have a hard disk insert your Reference diskette in drive A and log onto drive A before you enter the command to start the program If you have a hard disk drive copy the file ESPEED COM from your Reference diskette onto your hard disk and run the pr...

Страница 78: ...SETUP program a keyboard command or the ESPEED program again Entering the ESPEED command 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 SAMPLE which requires a slower processor speed you could include the following commands in a batch file to start the SAMPLE program ESPEED L SAMPLE You could name the batch f...

Страница 79: ...ou need to use a memory manager to convert the computer s extended memory to expanded memory Follow these steps 1 Run the SETUP program to allocate the amount of memory you want to use as expanded memory See EMS Size in Chapter 2 for instructions 2 Copy the file EMM286 SYS from your Reference diskette to the root directory of your hard disk or the Startup diskette from which you load MS DOS You ma...

Страница 80: ...oot directory and you have not entered that directory in a PATH command in your AUTOEXEC BAT file for example you need to include the pathname for EMM286 SYS on the DEVICE command line For example if EMM286 SYS is in a directory called DRV on drive C include the pathname like this DEVICE C DRV EMM286 SYS If you plan to use any of your expanded memory to create a virtual disk with the MS DOS VDISK ...

Страница 81: ... You can include optional parameters in the DEVICE command line to tailor the way the memory manager works with your system The table below summarizes the EMM286 SYS options Each option is described in more detail following the table The M n option specifies a particular 64KB page frame address for EMM286 SYS The value n must be a number from 1 to 9 to indicate one of the following addresses Enhan...

Страница 82: ...ant EMM286 SYS to run diagnostics on your expanded memory page frame each time you load the program It does not run the diagnostics unless you include the D parameter on the DEVICE command line Using the VGA Utilities Your built in VGA video graphics array display adapter supports both standard VGA monitors and multi frequency monitors with analog connectors in non interlaced mode The VGA adapter ...

Страница 83: ...from there This section describes how to copy the files and include a pathname for the files in your AUTOEXEC BAT file Once you have copied the files and modified AUTOEXEC BAT read the sections below that describe how to use each utility you copied to your hard disk Note If you do not have a hard disk you can skip this section and go on to the sections below about using each utility Keep in mind t...

Страница 84: ...ference diskette in drive A 5 Type the following command and press Enter for each utility file you want to copy to your utility directory COPY A fi1enane C UTIL where filename is one of the following VGAMODE COM SETVGA COM SNOOZE COM 6 After copying the utility files you want remove the Reference diskette from drive A Once the files are on your hard disk it is a good idea to include a pathname to ...

Страница 85: ...directory described above you would type PATH C UTIL 3 Press F6 and then Enter See your MS DOS Reference Manual for more information about pathnames Using VGAMODE VGAMODE provides 132 column text in popular text based applications such as WordStar and WordPerfect The VGAMODE utility allows you to specify the number of rows lines and columns you want displayed on the screen You specify values for t...

Страница 86: ...fies the number of rows that can be displayed on common monitors Running WordStar versions 4 0 and 5 0 After you install WordStar version 4 0 or 5 0 on your hard disk follow these steps 1 Install the VGAMODE utility if you have not already done SO 2 Log onto your WordStar directory 3 Type the following and press Enter to start WordStar s installation program WSCHANGE 4 The program asks for the nam...

Страница 87: ...at each menu to exit from the installation program 10 When the installation program asks if you want to save the new configuration press Y The program saves the new configuration in the WS132 EXE file and the computer displays the MS DOS command prompt 11 Type the command below and press Enter to specify 132 column text mode VGAMODE 132 25 12 Type the following and press Enter to start WordStar WS...

Страница 88: ...setup menu select Specify Screen Size 6 Type 132 to edit the number of columns field 7 Exit the setup menu 8 Whenever you run WordPerfect 4 0 or 4 1 with 132 columns you need to specify 132 column text mode prior to starting the program Type the following and press Enter VGAMODE 132 25 9 Type WP and press Enter to start WordPerfect 10 To use the full width of the screen you must change the margins...

Страница 89: ...am WP SS 25 132 Using SETVGA SETVGA lets you operate your built in VGA adapter in a specific emulation mode This allows you to use programs that were written especially for other adapters when you cannot run these programs in regular VGA mode Note Only a few old software packages require you to use the SETVGA program To lock your VGA interface into an emulation mode you include the name of the mod...

Страница 90: ... then it resumes display of the current activities To activate the utility type SNOOZE and press Enter You see information about the SNOOZE command syntax and a message that the SNOOZE delay is set to 5 minutes The default period of inactivity before the screen goes blank is 5 minutes You can specify your own time period by entering a number from 1 to 60 minutes on the SNOOZE command line For exam...

Страница 91: ...them 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 it is best 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 to a...

Страница 92: ...n this chapter Before you can 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 install options replace the battery or change jumper settings you ...

Страница 93: ...rn the screw counterclockwise to unlock the cover 5 The cover is also secured by two latches on the back of the cover near the comers 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 ...

Страница 94: ...uch 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 ...

Страница 95: ...puter are preset at the factory however you can alter the following functions by changing the standard settings Cl Set the computer to use an 8 or 10 MHz math coprocessor CI Enable or disable the password function 0 Set the computer to use a color or monochrome monitor CI Enable or disable the built in mouse connector 0 Enable or disable the built in VGA display adapter If you need to change any j...

Страница 96: ...ting is determined 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 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 Be careful not to lose the jumper 5 6 Installing and Removing Options ...

Страница 97: ...d the jumper pins or damage any surrounding components on the main system board The following Table lists the jumper settings and their functions Main system board jumper settings Factory setting Installing and Removing Options 5 7 ...

Страница 98: ...s cover Replacing the Battery Your computer comes with a 3 6 volt lithium battery that provides power for the real time clock and the CMOS RAM The real time clock keeps track of the time for your computer and the CMOS RAM stores the information about your system configuration that was saved by the SETUP program This battery lasts approximately three to five years If it loses power you will see an ...

Страница 99: ... program to reconfigure your system and set the real time clock If necessary follow the instructions on page 5 2 to remove the computer s cover Then follow these steps to replace the 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 Installing and Removing Options 5 9 ...

Страница 100: ...or plugged into socket CN 1 as shown below battery cable connector CN1 2 The battery is attached to the computer with Velcro Remove the battery by pulling it up from the bottom of the computer case as shown below Then set the battery aside 5 10 Installing and Removing Options ...

Страница 101: ...ition it so that the Velcro is facing down and the cable is facing connector CNl Then attach it to the bottom of the computer case as shown below 4 Connect the battery cable to socket CN 1 on the main system board Installing and Removing Options 5 11 ...

Страница 102: ...odate an option card You can buy option cards from authorized Epson dealers as well as other vendors This section explains how to install option cards in your computer Later on you may need to remove an option card to access jumpers memory modules or a math coprocessor If so see Removing an Option Card on page 5 17 for instructions Note After you install or remove an option card see Post installat...

Страница 103: ...side your computer Slot 1 is designed for an 8 bit option card and slots 2 through 4 are designed for 16 bit cards As you can see below a 16 bit card has an extra connector along the bottom 16 bit option card 8 bit option card Installing and Removing Options 5 13 ...

Страница 104: ...ific slot Consult the instructions that come with the card to see if this is the case Follow these steps to install an option card 1 If you have not already done so remove the cover from the computer See page 5 2 for instructions WARNING After you remove the cover touch the inside back panel of the computer to ground yourself and avoid an electric shock 2 If you are installing an option card that ...

Страница 105: ... option card later Unpack the option card and adjust any switches or jumpers on it if necessary Check the option card instructions When you handle the card be careful not to touch any of the components on the circuit board or the gold edged connector pins If you need to set it down before you install it place it gently on top of its original packing material with the component side facing up Keep ...

Страница 106: ...uiding it straight down Once the connector pins reach the connector 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 the way out and try again keeping it straight as you insert it Examine the card to verify that it is fully seated in the slot along the length of the connector ...

Страница 107: ...tion card follow these steps 1 First remove the cover 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 ins...

Страница 108: ...change the settings of jumpers J1 J3 and J5 See page 5 7 for instructions 5 Replace the cover See page 5 41 for instructions Removing the Subassembly In order to access the SIMM sockets jumpers J5 and J6 and the math coprocessor socket on your computer s main system board you need to remove the subassembly that covers them The subassembly is the large metal casing that holds the horizontal drive b...

Страница 109: ...he panel and tilting it toward you Then set it aside clips front panel 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 Grasp the connector and pull it straight up to remove it from the socket Do not pull only on the cable InstalIing and Removing Options 5 19 ...

Страница 110: ...sembly 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 5 20 Installing and Removing Options ...

Страница 111: ...ch back underneath the subassembly and disconnect the two power supply cables connected to the back right side of the main system board as shown below Pull each of the connectors straight up Do not pull only on the cables Installing and Removing Options 5 21 ...

Страница 112: ...f you prefer you can install them yourself by carefully following the instructions in this section However you could transmit an electrostatic discharge and damage your components so read this entire section before you begin Before you install SIMMs check the following guidelines to ensure that they will work properly 0 Use SIMMs that operate at 100ns nanosecond or faster access speed Be sure all ...

Страница 113: ...n socket U27 and one SIMM in socket U28 The following table shows all the possible SIMM configurations for the Equity 286 PLUS Do not install SIMMs in any other configuration Keep in mind that 1MB of memory is already soldered directly onto the main system board SIMM configure for the Equity 286 PLUS No SIMM installed K 256KB SIMM installed M 1MB SIMM installed Once you have determined where to ad...

Страница 114: ... so the front panel is facing you The SIMM sockets are located on the front of the main system board next to the math coprocessor as shown below The sockets are labelled as shown below 5 24 Installing and Removing Options ...

Страница 115: ... metal connector pins face down To insert the SIMM in the socket place it on the right 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 Installing and Removing Options 5 25 ...

Страница 116: ...cover Then see Post installation Setup following that section 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 23 to be sure you remove SIMMs from the correct sockets Caution It is sa...

Страница 117: ... the front panel is facing you The SIMM sockets are located on the front of the main system board next to the math coprocessor as shown below The SIMM sockets are labelled as shown below installing and Removing Options 5 27 ...

Страница 118: ... small screwdrivers to pull away the tabs that secure the SIMM at each end Be careful not to pull the tabs too far or they may break tab As you pull away the tabs the SIMM falls to the left 5 28 Installing and Removing Options ...

Страница 119: ...g certain application software It also increases the speed at which graphic images are displayed on your monitor when you use graphics oriented software It is best to have your dealer install a math coprocessor for you since it is a delicate component that can be damaged easily if it is installed incorrectly If you install it yourself be sure to read the manual that came with your math coprocessor...

Страница 120: ...age and set it aside If you are installing an 8 MHz math coprocessor set jumper J2 to position A for a 10 MHz coprocessor set J2 to position B See page 5 7 for instructions Turn the computer so the front panel is facing you The math coprocessor socket is located on the front of the main system board next to the SIMM sockets as shown below SIMM sockets math coprocessor 5 30 Installing and Removing ...

Страница 121: ...s also a notch on one end of the math coprocessor notch Align the notched side of the coprocessor with the notched side of its socket The notched sides must be aligned for the coprocessor to operate properly so be sure the alignment is correct before you proceed to the next step Installing and Removing Options 5 3 I ...

Страница 122: ...enly on both ends as shown below If the coprocessor does not go in smoothly do not force it pull it all the way out and try again keeping it straight as you insert it Examine the coprocessor to be sure it is inserted all the way into the socket 8 Replace the subassembly See page 5 33 9 Follow the steps on page 5 41 to replace the computer s cover Then see Post installation Setup following that sec...

Страница 123: ... to remove the subassembly Then remove the coprocessor with the tool and replace the subassembly and the computer s cover After you remove the coprocessor run the SETUP program to configure your system for use without it See Chapter 2 for instructions Replacing the Subassembly Follow the steps below to replace the subassembly inside your computer 1 Notice that there are four mounting slots on the ...

Страница 124: ... fit into the openings in the subassembly slots 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 as shown in the next illustration 5 34 Installing and Removing Options ...

Страница 125: ... and arrange the ribbon cables so they curve underneath the subassembly and extend out its left side Then grasp the two power supply cables labelled P4 and P5 Each connector has six pin holes and a large tab on one side as shown below Installing and Removing Options 5 35 ...

Страница 126: ...nnectors as shown below 3 Position power supply connector P4 so the large tab on the connector faces the right side of the computer Beginning with the six pins toward the back of the computer carefully line up the holes in the connector with the pins in the socket Then push the connector onto the pins 5 36 Installing and Removing Options ...

Страница 127: ...e connector Connect power supply connector P5 to the remaining six pins in the socket using the same procedure Carefully lower 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 Installing and Removing Options 5 37 ...

Страница 128: ...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 5 38 Installing and Removing Options ...

Страница 129: ...stem board on the left side of the subassembly as shown below 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 ribbon cable connector diskette drive socket Installing and Removing Options 5 39 ...

Страница 130: ...nnect 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 notches 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 41 to replace ...

Страница 131: ... cover 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 2 Insert the three tabs into the three notches in the back of the front panel of the computer Installing and Removing Options 5 41 ...

Страница 132: ...stallation Setup for Memory Cards After you install an optional memory card you need to configure your computer to use it Follow these guidelines 0 Run the SETUP program to reset your computer s configuration to include the memory on your memory card See Chapter 2 for instructions Li Use the setup program that comes with your memory card to configure the computer for use with your particular card ...

Страница 133: ...ve a hard disk you can copy CORFIX EXE from your Reference diskette to your hard disk before you run it Then follow these instructions to run CORFIX 1 Turn on your computer Make sure the MS DOS command prompt appears on the screen If you do not have a hard disk or you did not copy CORFIX to your hard disk insert your Reference diskette in drive A Type A and press Enter to log onto drive A 2 At the...

Страница 134: ...ou need to let the computer know the type of drive you have installed See Chapter 2 for instructions If you replaced the battery for the real time clock and CMOS RAM you must run SETUP to reconfigure your system and reset the clock See Chapter 2 N o t e If you installed additional extended memory and want to use any of it as expanded memory see Using Expanded Memory Beyond 1MB in Chapter 4 for ins...

Страница 135: ...card See your memory card manual for instructions Additionally you may need to add some commands in your configuration files See your MS DOS Reference Manual and the manual that comes with your optional equipment for instruct ions You may also want to test a newly installed option Some options come with their own diagnostics test programs and you can use the diagnostics programs on your Reference ...

Страница 136: ...ndard expandable using 256KB or 1MB SIMMs up to 5MB maximum SIMMs must be 100ns or faster access speed Memory expandable to 16MB if memory option card is used 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 80287 8 or 10 MHz support speed selectable by jumper Real time clock calendar and CMOS RAM for configuration...

Страница 137: ...llers interface on main system board Standard VGA with 256KB of video memory supports up to 640 x 480 pixels in 160 color or gray scale mode 150pin D shell connector RS 23 2C 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 compatib...

Страница 138: ...onfigurable using the following drive types Diskette drives 5 1 4 inch diskette drive 1 2MB high density storage capacity 3 1 2 inch diskette drive 1 44MB high density storage capacity 5 1 4 inch diskette drive 360KB double density storage capacity 3 1 2 inch diskette drive 720KB double density storage capacity Hard disk drives 3 1 2 inch form factor hard disk drive s up to half height size the fi...

Страница 139: ...additional 4 key cursor pad 16 function keys user definable Four levels normal shift control alternate user definable Environmental Requirements Physical Characteristics Width 14 75 inches 375 mm Depth 17 5 inches 444 mm Height 6 0 inches 152 mm Weight Single diskette drive model without keyboard 20 6 lb 9 4 kg ...

Страница 140: ...er 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 hard disk drive vertical mounting area diskette drive horizontal drive bays I diskette or hard disk drive lnstalling and Removing Disk...

Страница 141: ...stalled on it You can install an additional drive of one of the following types in the lower horizontal drive bay 0 51 4 inch diskette drive Cl 31 2 inch diskette drive with a 51 4 inch mounting frame installed on it Cl 31 2 inch hard disk drive with a pair of 51 4 inch mounting frames installed on it Your computer may have come with a hard disk drive already installed in the vertical mounting pos...

Страница 142: ...his appendix follow the steps in Chapter 5 to remove the computer s cover D If you are removing your only hard disk drive see Removing a Hard Disk from the Vertical Position on page B 24 CI 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 0 If you are installing or removing a dis...

Страница 143: ...g the Jumper Settings on the next page to 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 dri...

Страница 144: ...ge 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 ...

Страница 145: ... 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 positions C D DSP and ACT Install the fourth jumper on the sl...

Страница 146: ... a Hard Disk From the Vertical Position on page B 24 so you can access the jumpers on the dr i v e 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 0 Remove the mounting frames from a new hard disk drive 0 Remove the mounting plate from...

Страница 147: ...Removing the Mounting Frames From the Drive Your hard disk drive comes with 5 1 4 inch mounting frames attached to each side of the hard disk drive as shown below B 8 Installing and Removing Disk Drives ...

Страница 148: ...necessary remove the screws securing the plastic guide rail and the metal grounding plate to one of the mounting frames as shown below grounding plate 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 Installing and Removing Disk Drives B 9 ...

Страница 149: ...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 10...

Страница 150: ...nting plate to the computer and set it aside Then lift up the mounting plate to remove it 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 ad Removing Disk Drives B 11 ...

Страница 151: ...oved from the 21 4 inch 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 in the box with your computer It is a flat cable with three connectors on it one on each end and one in the middle B 12 Installing and Rem...

Страница 152: ...structions No special folding procedure is necessary The connector at one end of the cable has two rows of holes one of which is blocked with a plug as 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 ribbon cable socket Installing and Removing Disk Drives B 13 ...

Страница 153: ...below Make sure the holes fit over all the pins and then push the connector onto the pins 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 14 Installing and Removing Disk Drives ...

Страница 154: ...r has two notched comers power supply cable 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 comers 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 Install...

Страница 155: ...ard disk drive when you push in the connector 4 Pick up the hard disk drive and hold it above the vertical mounting area so the mounting plate is 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 the subassembly B l6 Installing and Removing Disk Drives ...

Страница 156: ...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 sect ion lnstalling and Removing Disk Dri...

Страница 157: ...toward you Then set it aside clips front panel 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 subasse...

Страница 158: ......

Страница 159: ...your 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 Carefully lower the front of the subassembly onto the computer as shown below small tabs B 20 Installing and Removing Disk Drives ...

Страница 160: ... with the curved 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 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 21 ...

Страница 161: ...t 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 the connector onto the pins Caution If you do not correctly could severely damage the connector align the holes with the pins you your computer when you push in B 22 Installing and Removing Disk Drives ...

Страница 162: ...cks into place Your diskette drive s should be flush with the front of the panel 9 Follow the steps on page 5 41 to replace the computer s cover Then see Post installation Setup later in Chapter 5 for instructions on configuring your computer for use with your new hard disk drive Note After you change your computer s drive configuration the computer may take several minutes to complete power on di...

Страница 163: ... The vertically mounted drive is attached to the right side of the subassembly as shown below 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 vertically mounted vertically mounted hard disk drive hard disk drive B 24 Installing and Removing Disk Drives ...

Страница 164: ... 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 25 ...

Страница 165: ...r 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 8 If you are not going to reinstall the hard disk drive you have just removed go to step 6 6 Remove the four screws securing the hard disk d...

Страница 166: ...o install 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 remov...

Страница 167: ... slightly on the three clips at the top of the panel and tilt it toward you as shown below clips front panel Pull the panel away from the front of the computer 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 28 Installi...

Страница 168: ...e 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 subassembly Grasp the connector and pull it straight up to remove it from the socket Do not pull only on the cable 5 The diskette drive cable is connected to the socket just behind the hard disk drive socket disconnect it in the same manner Installing and Removing ...

Страница 169: ...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 Drives ...

Страница 170: ...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 ...

Страница 171: ...m board as shown below Pull each of the connectors straight up Do not pull only on the cables 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 o...

Страница 172: ...nstalled If your drive did not come with frames installed follow the instructions in the manual that came with it to attach them The figures 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 51 4 inch diskette drive turn it so that the diskette release latch is above the disk...

Страница 173: ...e drive 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 Install...

Страница 174: ...ette 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 diskette drive As shown in the next illustration there is a large slot in this connector with a sma...

Страница 175: ...nes up with the gap in the interface as shown below 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 instruction...

Страница 176: ...rive that will be mounted vertically As shown below there are two rows of holes in the connector One of the holes is blocked with a plastic plug 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 missing pin Installing and Removing Disk Drives B 37 ...

Страница 177: ...ectly align the holes with the pins you could severely damage your hard disk drive when you 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 ma...

Страница 178: ... is next to the ribbon cable connector The socket also has two notched comers as shown below power supply cable power supply socket notched corners 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 sup...

Страница 179: ...uld severely 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 ...

Страница 180: ... 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 t...

Страница 181: ...nting plate into the slots on the side of the subassembly Then tilt the drive toward the subassembly and align the retaining screw hole on the mounting plate with the hole in the bracket 3 Secure the drive to the bracket with the retaining screw 4 To replace the subassembly see the instructions on page B 46 B 42 Installing and Removing Disk Drives ...

Страница 182: ... 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 ribbon cable connector 2 Remove the power supply connector from the back of the drive It is located near the ribbon cable interface as shown in the next illustration Installing and Removing Disk D...

Страница 183: ...3 Using a screwdriver remove the screws securing the drive to the drive bay There are two screws on each side as shown below B 44 Installing and Removing Disk Drives ...

Страница 184: ...pers 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 on page B 46 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 ...

Страница 185: ... 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 comers and two in the lower corners B 46 Installing and Removing Disk Drives ...

Страница 186: ...e openings in the subassembly slots tabs Lift up the subassembly from your work 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 as shown in the next illustration Installing and Removing Disk Drives B 47 ...

Страница 187: ...d 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 B 48 Installing and Removing Disk Drives ...

Страница 188: ...abelled P4 and PS Each connector has six pin holes and a large tab on one side as shown below There is one 120pin 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 Installing and Removing Disk Drives B 49 ...

Страница 189: ...nector with the pins in the socket Make sure the holes fit over all six pins and then push the connector onto the pins 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 5 Connect power supply connector PS to the remaining six pins in the socket using the same procedure B 50 Installing and Removing Disk...

Страница 190: ... 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 Installing and Removing Disk Drives B 51 ...

Страница 191: ...urved 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 B 52 Installing and Removing Disk Drives ...

Страница 192: ... 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 also a bit longer than the diskette drive socket Installing and Removing Disk Drives B 53 ...

Страница 193: ...ctor with the socket so that the tab on the connector lines up with the notch in the socket 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 pins you could severely damage your computer when you push in the connector B 54 Installing and Removing Disk Drives ...

Страница 194: ... 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 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 41 to replace the computer s cover Then see Post installation Se...

Страница 195: ...tem 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 may be able to solve the problem if not he or she can refer you to an autho...

Страница 196: ...e Reference diskette in drive A 2 Type A and press Enter to log onto drive A 3 Type AMIDIAG and press Enter to run System diagnostics You see a title screen 4 Press any key to continue You see the Main menu The Main Menu Screen The Main menu screen looks like this C 2 Performing System Diagnostics ...

Страница 197: ...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 Function Move to the next test category t Move to the previous test category 1 Move to the next test t Move to the previous test Enter Start the test F2 Set the run time parameters F3 Select a test or cancel selection F4 Select all tests F5 Cancel all select...

Страница 198: ... 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 necessary ...

Страница 199: ... may occur during the tests You may see a prompt requesting additional information 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 00l hr 00 min To specify the amount of ti...

Страница 200: ...ou see this submenu Log errors on disk Log errors to printer LPTl Log errors to serial port No error logging Press 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 LPTl...

Страница 201: ...g 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 po...

Страница 202: ... Tests To select several tests at one time highlight each test you want to perform and press F3 To cancel a selection highlight the test and press F3 again You can press F4 to select all tests for all devices and press F5 to cancel all selections To run the selected group of tests press F6 The program highlights each test name as it runs the test You cannot run certain tests along with other tests...

Страница 203: ...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 ...

Страница 204: ...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...

Страница 205: ...ute 80 x 25 display 40 x 25 display 320 x 200 graphics 640 x 200 graphics Page selection Color l Tests the keyboard controller Tests the scan codes assigned to the keys see Keyboard Scan ASCII Codes 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 ...

Страница 206: ...ays 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 non destructive diagnostics do not Be sure to back up any data on your hard disk before perfo...

Страница 207: ...following messages W A R N I N G All data on hard disk you have 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...

Страница 208: ...ible drive types If you need to change the type use 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 inter...

Страница 209: ... Revise an entry Delete an entry Clear bad track list Save and Exit Use or 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 hard disk Start and end cylinder numbers The program disp...

Страница 210: ... the highest head number of your hard disk For example the default end head number for a 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 hard ...

Страница 211: ...disk before you begin Note If you do not 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 th...

Страница 212: ...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 ...

Страница 213: ...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...

Страница 214: ...ed 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 and which are ...

Страница 215: ...rmat diagnostic test Tess requiring a specially formatted diskette Test Drive speed test Random R ead VV rite test Sequential R ead W rite test Drive change line test Function Verifies how fast the diskette drive rotates a diskette A 1 2MB W inch diskette drive should rotate a 1 2MB diskette at 360 RPM and a 360KB diskette at 300 RPM A 1 44MB 31 2 inch drive should rotate a diskette at 300 RPM Tol...

Страница 216: ...hat has been formatted using the MS DOS FORMAT command before you run the Diskette format test Then use that diskette when you run any of the other destructive tests Check that you have inserted the correct diskette before you enter Y at the Proceed prompt Floppy Disk Error Messages The diagnostics program displays two types of error messages while testing a diskette drive messages the program gen...

Страница 217: ...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...

Страница 218: ... AT 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 0 RD and TD shorted D DSR and DTR shorted 0 CTS and RTS shorted This test resets the computer to check for possible errors Then it checks ...

Страница 219: ...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...

Страница 220: ... solve the problem if not he or she can refer you to an Authorized Epson Customer Care Center for service If necessary call the Epson Customer Information Center at 213 782 2600 for the location of your nearest Authorized Epson Customer Care Center Identifying Your System When you contact your dealer or Customer Care Center be ready to provide the serial number of your computer and ROM BIOS its co...

Страница 221: ...te information about your configuration shown on the main SETUP menu Then exit SETUP without saving the configuration 4 At the MS DOS command prompt type VER and press Enter to display the MS DOS version number Write it down 5 Give the information you have gathered to your dealer or Customer Care Center Error Messages Your computer s built in memory ROM contains a series of diagnostics programs ca...

Страница 222: ...ected to both the AC inlet on the back panel and an electrical outlet Replace the Startup or Reference diskette if necessary and turn on the computer again Caution If you turn off the computer for any reason always wait at least five seconds before turning it back on You can damage the computer if you turn it off and on rapidly 2 If the power light still does not come on check the electrical outle...

Страница 223: ...n what you 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 Did you enter the correct password See Password Problems below Could your software be causing the problem If you are runnin...

Страница 224: ... VGA adapter If you have not set the jumper you will not see any display on the screen You may also need to set jumpers J1 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 Password promp...

Страница 225: ...n the computer You do not see the Password prompt When the Press Del to start SETUP prompt appears press Del Highlight Run SETUP and press Enter You see the SETUP menu Your current password is displayed near the bottom of the screen If you still want to use the same password be sure to remember it or write it down Then go to step 6 If you want to change or delete your current password follow the i...

Страница 226: ...ext time you reboot your computer Keyboard Problems If you are having trouble with the keyboard check the following 1 If the screen displays a keyboard error when you turn on or reset the computer make sure the keyboard is securely connected to its port See Connecting the Keyboard in Chapter 1 for instructions 2 If the cursor keys do not work properly the num lock function may be on When num lock ...

Страница 227: ...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...

Страница 228: ...till having difficulty with your monitor run the Video diagnostics 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 1 4 inch drive to secure the diskette in th...

Страница 229: ...2 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 before you can store data on it See yo...

Страница 230: ...ructions If you see no error messages but there is something wrong with the data in a file MS DOS or an application program may have updated the storage information on the diskette incorrectly This is probably the case if you have one of these problems Cl Part of a file is missing 0 A file includes parts of other files 0 An expected output file is missing To make the necessary repairs use the MS D...

Страница 231: ...f the diagnostics program indicates an error consult your Epson dealer 5 If the diskette drive is making loud or unusual noises contact your Epson dealer Hard Disk Problems If you are having a problem with your hard disk it could be the result of improper installation incomplete disk preparation or corrupted data The suggestions in this section are divided into three categories 0 Installing the dr...

Страница 232: ...ual Review the instructions and check all the cable connections to make sure you have installed it correctly Also check the jumper settings on your drive to make sure they are set correctly 3 If you installed a non Epson hard disk drive was it physically formatted by the manufacturer A blank new hard disk must be formatted or initialized before you can partition it and install an operating system ...

Страница 233: ...hysically formatted you must do the following to prepare it for use 1 Run the SETUP program to define your hard disk as part of the computer s configuration See Chapter 2 for instructions 2 Partition the drive format it for MS DOS and install MS DOS Step by step instructions for performing these procedures are provided in your MS DOS Installation Guide If you are using another operating system fol...

Страница 234: ...otice a reduction in performance the data on the disk may have become fragmented You may want to back up all your data and then use a disk compaction utility to reorganize the files on your disk Contact your dealer for information If you still have trouble with your hard disk you can back up your data and physically format the disk Then you ll need to reinstall MS DOS and copy your files back onto...

Страница 235: ...ck your software manual to see if this is the case and change the CPU operating speed if necessary See Changing the Processor Speed in Chapter 4 for instructions and for information on accommodating copy protected programs If you have entered an MS DOS command that you want to stop there are special key combinations you can type to tell MS DOS to stop what it is doing These methods may also work i...

Страница 236: ...mary port and which is the secondary port See Chapter 2 for instructions on how to set the parallel and serial ports using the SETUP program 4 If your printer is properly set up but is still not functioning test it from the MS DOS level When the screen displays the MS DOS command prompt such as C or A hold down Shift and press Print Screen This should print the contents of the screen on your print...

Страница 237: ...ard See your option card manual for instructions 3 Did you set the necessary jumpers on the main system board See Chapter 5 for more information 4 Did you run the SETUP program to update your configuration after installing the card See Chapter 2 5 If you used the option card to add an external device to your computer did you use the proper cable to connect the device to the option card connector o...

Страница 238: ...nd that memory is not operating properly check the following 1 If the memory count displayed by the power on diagnostics program is incorrect you or your dealer may not have installed the SIMMs correctly The SIMMs may be installed in the wrong sockets they may be the wrong type of SIMM or they may not be inserted all the way into their sockets If your dealer installed SIMMs for you contact your de...

Страница 239: ...ocessor is listed as Insta11ed 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 If your math coprocessor is listed as Instal1ed ...

Страница 240: ...II American 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 ...

Страница 241: ...l memory or main 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 Bit ...

Страница 242: ...tters 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...

Страница 243: ...nnot 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 6 MHz instead of high speed 12 MHz See also Automatic speed CPU Central Processing Unit The primary unit of the computer that interprets instructions performs the tasks you indicate keeps track of stored data and control...

Страница 244: ...rily 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 such as a disk drive a monitor or a printer Device driver A file containing instructions that allow your computer to recognize and control a device Diagnostics...

Страница 245: ... 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 board that can be installed in one of the computer s option slots to provide the monitor interface A display adapter card contr...

Страница 246: ... 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 up to 640 x 350 resolution Expanded memory Memory that specially written MS DOS application programs can use with an Expanded Memory Specification EMS device driver such as EMM286 SYS Extended Memory Memory above 1MB that is accessed by the pr...

Страница 247: ...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 files t...

Страница 248: ...card a 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 Specificati...

Страница 249: ...s memory 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 286 PLUS operates at 12 MHz or 6 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 cont...

Страница 250: ...r to transmit 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 butto...

Страница 251: ...DOS 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 Interface and Seri...

Страница 252: ...ers 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 phys...

Страница 253: ...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 move 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...

Страница 254: ...ntents even when you turn off the power Root directory 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 c...

Страница 255: ...te Subdirectory A directory or group of files that 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 Parameter System di...

Страница 256: ...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 5 1 4 in...

Страница 257: ...37 38 D 14 power supply B 15 l6 B 49 50 Cards display adapter see Video cards memory 5 1 5 42 45 video see Video cards CGA card see Video cards CGA emulation 4 17 18 Clock real time 2 3 4 A l Clock speed 2 10 Clock calendar RAM A 1 CMOS RAM l 18 2 2 2 16 5 2 5 8 A 1 Color graphics adapter CGA card see Video cards Command stopping 3 4 CONFIG SYS 4 7 10 Consumer Information Center number Intro 4 D 1...

Страница 258: ... 3 15 16 specifications A 3 tests C 20 23 types 3 9 l1 using 3 7 19 Diskettes backing up 3 18 caring for 3 11 12 choosing 3 9 l1 compatibility 3 9 l1 copying 3 11 3 18 formatting 3 10 3 18 how they work 3 7 9 inserting 3 16 17 labelling 3 12 problems D 9 l1 read write slot 3 12 removing 3 l6 17 storing 3 12 swapping 3 15 system 3 20 types 3 9 l1 write protecting 3 13 14 Display adapter see VGA por...

Страница 259: ...able B 12 14 B 29 B 37 38 D 14 formatting 3 19 C 16 17 how they work 3 7 9 3 19 Hard disk installing B l 55 installing MS DOS on 3 l jumpers B 4 7 loading MS DOS from 3 16 master drive B 4 B 6 mounting frames B 7 10 mounting plate B 10 12 parking the heads 3 20 21 partitions 3 19 C 16 physically formatting C 16 l7 precautions 3 20 preparing for moving 3 20 21 preparing for use 3 19 problems D 12 1...

Страница 260: ...ation A 1 MDA card see Video cards MDA emulation 4 17 18 Memory base 2 3 beyond lMB 4 7 10 cards 5 1 5 42 45 configuration 2 3 2 10 12 diagnostics C 10 C 12 EMM286 SYS 4 7 10 EMS sire 2 11 12 expanded 2 ll l2 4 7 10 5 43 extended 2 3 2 l 1 12 4 7 10 544 LIM 4 0 EMS 4 7 manager 4 7 10 modules see SIMMs problems D 19 specifications A 1 tests C 10 C 12 MENU utility Intro 2 l l1 MGA card see Video car...

Страница 261: ... 2 14 15 port test C 23 24 Partitions on hard disk 3 19 C 16 Password changing 2 13 deleting 2 13 disabling D 5 7 entering 3 6 jumper 5 5 8 D 6 7 problems D 5 7 setting 2 12 13 using 3 6 Physical characteristics A 4 Physical formatting C 16 17 Port keyboard l 12 A 2 monitor 1 4 6 A 2 mouse l 13 14 A 2 parallel l 8 10 2 14 15 A 2 serial l 11 2 14 15 A 2 Power button l 17 connecting power cord 1 15 ...

Страница 262: ... error message continuing from 2 2 2 16 hard disk drive configuration 2 5 8 SETUP program keyboard test function 2 9 leaving the program 2 16 math coprocessor 2 3 memory 2 3 2 l 1 12 parallel interface 2 14 15 password 2 12 13 primary display type 2 8 9 processor speed 2 10 l1 real time clock 2 34 running l 18 2 1 16 5 42 5 44 saving settings 2 16 serial interface 2 14 15 shadow RAM 2 10 starting ...

Страница 263: ... 4 13 17 Video cards CGA l 7 2 8 9 compatibility l 7 Video cards diagnostics C 11 12 EGA l 7 2 8 9 emulation 4 17 18 Hercules graphics card l 7 2 8 9 installing l 7 8 5 12 17 jumpers for 2 9 5 5 8 MDA l 7 2 8 9 MGA l 7 2 8 9 problems D 5 D 18 removing 5 17 18 setting display type 2 8 9 tests C l1 12 VGA 2 8 9 Video diagnostics C ll 12 Video graphics array VGA built in port see VGA port card see Vi...

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