Epson Equity 386/25 Manuale Utente

Chapter 5Installing OptionsAdding Memory Modules . . . . . ...5-2Installing Option Cards . . . . . . ...5-5Remov

Using Drive DesignatorsMS-DOS uses letters known as drive designators to identify thedisk drives in your computer. If you have one diskette drive, it

The Current DriveAt any given time, MS-DOS considers one disk drive to be thecurrent (or default) drive. The current drive is the drive onwhich MS-DOS

Specifying the drive designatorIf you want to access a program or file on another drive withoutfirst changing the current drive, type the drive design

If you do not have a hard disk, external commands are storedon the set of working diskettes generated when you installedMS-DOS. To use an external MS-

Entering an MS-DOS CommandTo enter an MS-DOS command, you need to type thecommand in the correct format. The command format providesMS-DOS with the in

See your MS-DOS Reference Manual for more information onthe command format and for command descriptions thatexplain which parameters and delimiters ar

Creating and Managing FilesAll your data and programs are stored in files on disk. A datafile contains information, such as words, numbers, or picture

The extension is optional and can be up to three characterslong. You can use the extension to further identify a file or todescribe what type of file

Copying FilesYou can use the COPY command to copy individual files orgroups of files. COPY is an internal command; you can use itany time you see the

To copy the file named REPORT to the same drive or directoryand name the copy FACTS, type the following and press Enter:COPY REPORT FACTSNow you have

Appendix C Power-on DiagnosticsPower-on Diagnostics Error Codes and Messages Table . . . . .C-2Appendix DPerforming System DiagnosticsStarting System

To copy REPORT, FACTS, and MEMO from drive A to a filenamed DATA on drive B, type the following and press Enter:COPY A:REPORT + A:FACTS + A:MEMO B:DAT

Renaming FilesYou can use the RENAME command to change the name ofa file or group of files on the same disk and directory. Forexample, to rename a fil

Deleting FilesYou can delete files you no longer need with the DEL (delete)command. For example, to delete REPORT.AUG from drive C,type the following

Printing Text FilesIf you have a printer attached to your computer, you can printtext files with the PRINT command. In general, you willprobably use a

Directories are essential for organizing files on a hard disk, andyou might even want to create directories on a 1.2MB diskette.However, you may not n

This directory tree lets you separate business word processingfiles from personal word processing files, and sales spreadsheetsfrom spreadsheet files

The Current DirectoryMS-DOS always recognizes one directory as the current (ordefault) directory, just as it always recognizes one drive as thecurrent

Using PathnamesYou use pathnames with MS-DOS commands to tell MS-DOShow to find its way to the directory you want to access.Backslashes separate the d

You can use either relative or absolute pathnames at any time,as long as you give MS-DOS enough information to find thedirectory or file at the end of

drive C, the root directory was the current directory. Now youare logged onto drive A and you enter the following commandto delete the file JEAN1204.D

Diskette Drives and Controller Check...D-24Sequential Seek Check...D-25Random Seek Check...

Creating DirectoriesYou use the MKDIR command to create directories. Forexample, to create a LEDGER directory under the root directoryof the current d

A directory listing includes the following information abouteach file in the directory: Name and extensionSize of the file in bytesDate and time th

This switch displays a wide-format directory listing, like this:Volume in drive C is MEMODRIVEVolume Serial Number is 354C-12E9Directory ofC:\WORDPROC

The screen displays a tree diagram of the subdirectories of thecurrent directory, for example:To see a list of all the files in the subdirectories, ad

To see the list of subdirectories of another directory, include thepathname:TREE C:\WORDPROcRemoving DirectoriesYou may sometimes want to remove direc

You can reformat previously used diskettes. This process erasesall data on the diskette, so be sure you do not want to save anyof the data on a used d

3.If necessary, remove the Working 1 diskette from drive A.Insert the diskette you want to format in drive A and pressEnter to start formatting.4.When

Formatting a diskette to 360KBIf you want to format a 360KB diskette in your 1.2MB diskettedrive, you need to use a switch with the FORMAT command.The

DISKCOPY, BACKUP, and RESTORE are described below.“Copying Files,” earlier in this chapter, describes the COPYcommand. See your MS-DOS Reference Manua

Using DISKCOPY with one diskette drive1.Make sure the diskette you want to copy is write-protected.(See Chapter 3 for instructions.)2.If you don’t hav

Appendix FHard Disk Drive TypesHard Disk Drive Types Table . . . . . . . . . . . . . . . . . . . . . . . . . .F- 1Appendix GSpecificationsCPU and Memo

7.After DISKCOPY copies the data from memory to thetarget diskette, the screen prompts you to insert the sourcediskette again to copy the remaining da

4.If necessary, remove the Working 1 diskette from drive A.Insert the diskette you want to copy from (the sourcediskette) into drive A and the diskett

Make sure you have enough diskettes to back up the data onyour hard disk drive. For example, it takes about 33 1.2MBdiskettes to copy a 40MB hard disk

If you want information about more than one command youcan type HELP followed by the names of the commands,each separated by a space.To use the HELP p

If there is yet another screen of text, you see both PgUpand PgDn at the top. Press PgUp to display the next screenof text or PgDn to see the previous

3.To select an option, use the arrow keys to highlight theoption you want and press Enter. Most options containsubmenus; keep highlighting your selec

MENU Program OptionsFollowing is a description of each MENU option. YourMS-DOS Reference Manual provides step-by-step instructionsfor using each optio

Using an AUTOEXEC.BAT FileYou may want to run some commands every time you turn onyour computer. To run a command or a series of commandsautomatically

Creating an AUTOEXEC.BAT FileHere is an example of an AUTOEXEC.BAT file:PATH C:\;C:\DOS;C:\WPPROMPT $P$GThe first line tells MS-DOS to look for progra

You can also use the MS-DOS COPY or EDLIN command tocreate an AUTOEXEC.BAT file. Follow these steps to createan AUTOEXEC.BAT file with the COPY comman

IntroductionThe Epson® Equity™ 386/25is a high-performance personalcomputer which offers exceptional speed and expandability.The computer’s 25 MHz 803

Using the Video Shadow RAM FunctionThe Equity 386/25 has a shadow RAM feature which allowscertain types of ROM (read-only memory) to be copied intoRAM

The DEVICE=ERAMBIOS.SYS line must be above theDEVICE=ANSI.SYS line in your CONFIG.SYS file to enablethe video shadow RAM function. Later, if you add o

2.To view the contents of the CONFIG.SYS file, type L (theList command) and press Enter. You see the currentCONFIG.SYS file commands preceded by line

Type DEVICE=ERAMBIOS.SYS and press Enter. Thenyou see the prompt for the next line:7:*5.Hold down CTRL and press C to exit insert mode. You seethe

If your video card is unable to use the video shadow RAMfunction, you see the following messages after resetting yourcomputer:WARNING! System must hav

To use expanded memory, you must modify the filedisk or diskette from which you load MS-DOS. If you have a(also called an ASCII text file), you can us

Using EMM386.SYSEMM386.SYS is an expanded memory manager that lets youuse extended memory to emulate expanded memory so that youcan use application pr

This example tells the computer to use 1024KB (1MB) ofextended memory as expanded memory:DEVICE=EMM386.SYS 1024The X:mmmm-nnnn parameter specifies a

The Mx parameter specifies a particular address for theEMM386.SYS page frame. You specify the address bysubstituting a code for x from this table:For

Chapter 5Installing OptionsYou can enhance the performance of your Equity 386/25 byadding a variety of options, including the following: A math coproc

You may also want to install a math coprocessor in yourcomputer to speed up mathematical calculations. You can addan Intel® 80387 or a Weitek® 3167 (2

NoteIt is best not to add memory to the, Equity 386/25 byinstalling an optional memory card. Any memory card youcould install is 16-bit and would caus

You must use only one type of SIMM in a bank. Forexample, you cannot install two 256KB SIMMs and two1MB SIMMs in Bank 0; you must install four 256KB o

Remember, your system already has 2MB of memory (consistingof eight 256KB SIMMs) installed in hanks 0 and 1; so considerthis when you decide how much

Installing Option CardsThe Equity 386/25 has nine standard option slots. One of theslots is occupied by the card that controls the serial/parallelinte

Removing the CoverTo install an option card, you need to remove the cover fromyour computer. Follow these steps:1.Turn off the computer and then any p

7.Facing the front panel, grasp the two sides of the cover andcarefully pull it straight toward you, away from the back ofthe computer (as shown in th

8.After the cover’s front panel clears the grounding tabs andthe power switch, separate the cover’s sides from the insideof the computer by pulling th

Installing an Option CardThe illustration below shows the nine standard option slotsinside the Equity 386/25. (The SPF card occupies slotnumber 7.)Ins

Slots 7 through 9 are designed for 8-bit option cards, and slots 1through 6 are designed for 16-bit cards. As you can see below, a16-bit card has a se

Follow these steps to install an option card:1.Decide which slot you want to use. Then remove theretaining screw from the top of the metal option slot

Additionally, Epson has included two time-saving utilities thatmake MS-DOS easier to use: HELP and MENU. The HELPprogram lets you display information

2.Unpack the option card and adjust any switches or jumperson it if necessary. (Check the option card instructions to seeif this is necessary.) When y

4.Insert the card in the slot, guiding it straight down. Oncethe connector pins reach the connector slot, push the carddownward firmly (but carefully)

5.Secure the end of the card to the back of the computer withthe retaining screw.Removing an Option CardIf you later need to remove an option card, si

Replacing option cardsTo replace any option cards you may have removed, reinstallthe card in the appropriate slot and secure it to the back of thecomp

3.To secure the cover, replace the five screws on the backpanel and the two screws on each side panel.4.Return the computer to its original position a

Additionally, you may also need to add some commands in yourconfiguration files. See the MS-DOS Reference Manual and themanual that comes with the opt

Appendix AChanging Jumper and DIP Switch SettingsIf you change your computer’s configuration or need to alter theway your computer operates, you may n

Changing Jumper SettingsA jumper’s setting is determined by where the jumper is placed.On the main system board, the jumper can be placed eitherbetwee

The following tables list the jumper settings and their functions.Main system board jumper settings* Factory setting** If jumper JP5 is set to posit

SPF card jumper settings for the parallel port* Factory setting** The setting of jumper J10 does not matterSPF card jumper settings for the serial por

Chapter 4 provides basic instructions for using MS-DOS withyour computer.Chapter 5 describes some of the options you can use in yourEquity 386/25 and

If you need to change any jumper settings, follow these steps inthe order listed here as necessary for your system:Follow the instructions in “Removin

Changing DIP Switch SettingsIf you install SIMMs to add memory to your system, you need toset DIP switches on the main system board to tell the comput

If you have added extra memory by installing SIMMs in yourcomputer, you should check to make sure that your dealer setDIP switches 3 through 7 to the

See “Adding Memory Modules” in Chapter 5 for moreinformation about the possible SIMM configurations in theEquity 386/25.The following table describes

Removing the SPF Card1.Unplug the disk drive cable from the SPF card as shownbelow. Pull it straight up and out, then lay it to one side.2.Remove the

3.Remove the card from the slot by pulling it straight up, asshown below, and set it on a soft surface with thecomponents facing up.A-10Changing Jumpe

Setting the DIP SwitchesNow that the SPF card is out of your way, you can change theDIP switch settings. The illustration below shows the locationof t

Setting the SPF Card JumpersOnce you have removed the SPF card, you can change thenecessary jumper settings. The illustration below shows thelocation

Setting the Main System Board JumpersThe illustration below shows the locations of jumpers JP1, JP3,JP5, JP8, JP9, and JP10 on the main system board.

Replacing the SPF Card1.Reinstall the SPF card in slot 7 as shown below, and secureit to the back of the computer with the retaining screw.2.Reconnect

Where to Get HelpCustomer support and service for Epson products are providedby a network of authorized Epson dealers and Customer CareCenters through

Appendix BTroubleshootingYou should not encounter any difficulties as you set up and useyour computer, but if anything out of the ordinary happens,ref

The Computer Won’t StartIf your computer does not start when you turn on the power,check the following:1.Is the power light on the computer’s front pa

4.If the computer starts but is taking a long time to completeits power-on diagnostics, you may have disabled the Fastboot function and made an extens

4.If you are running an application program, see “SoftwareProblems,” later in this appendix. This section coverscertain problems caused by application

If you have any trouble using your power-on password, try thefollowing:1.If you think you know the correct password, reset thecomputer and try again.

You should disable the existing password if you want to be ableto set a new password later without having to reset a jumper onthe main system board ag

5.If you do not have a hard disk, insert the Startup diskette indrive A. Turn on the computer again. You do not see thekey prompt and the computer loa

Make sure you save your password setting and that youhighlight * * EXIT AND SAVE * * when you leavethe Setup program.4.After you exit Setup, you see

2.If nothing happens when you type on the keyboard, see“The Computer Locks Up,” earlier in this appendix.3.If the cursor keys do not work properly, th

5.Make sure your monitor and display adapter card match,and, if your display adapter card has any switches orjumpers, be sure they are set properly. S

Chapter 1Setting Up Your SystemSetting up your Epson Equity 386/25 personal computer is easy.Just follow the seven steps in this chapter. As you set u

Diskette ProblemsIf you have trouble accessing data on a diskette, try thefollowing steps:1.You may have inserted the diskette upside-down or it mayno

In a drive that has a storage capacity of 720KB, use3 ½-inch, double-sided, double-density, 135 TPIdiskettes. You cannot use 1.44MB diskettes in thisd

Is the diskette formatted? A new diskette must be formattedbefore you can store data on it. See Chapter 4 forinstructions on formatting diskettes.If t

Diskette Drive ProblemsFollow these steps if you are having difficulty with a diskettedrive:1.If the diskette is not turning or the diskette drive is

2.If you have installed MS-DOS on the hard disk but it doesnot load MS-DOS when you turn on the computer, it maybe missing one of the MS-DOS system fi

Use the Display Partition Information option of the FDISKprogram to see if your hard disk has an active (bootable)DOS partition on it. (See the MS-DOS

7.If you have installed a hard disk drive made by anothercompany in your computer, you need to install MS-DOS.See the MS-DOS Installation Guide for in

3.If you have tried changing the operating speed using theCPU SPEED switch or the Auto speed function and yourcopy-protected application program still

4.If you have entered an MS-DOS command that you want tostop, there are special key combinations you can type to tellMS-DOS to stop what it is doing.

3.If you are using more than one parallel port or more thanone serial port, the jumper settings on the SPF card must beset properly so MS-DOS knows wh

FCC COMPLIANCE STATEMENT FOR AMERICAN USERSThis equipment has been tested and found to comply with the limits for a Class Bdigital device, pursuant to

Besides this manual, you should have the following:The computer and power cordThe keyboard with attached cableTwo keys for locking the computerSix MS-

Option Card ProblemsIf you install an option card and it is not functioning properly,check the following:1.2.3.4.5.6.7.Is the option card installed co

8.If none of the procedures described above solve theproblem, your option card may be having troublefunctioning at the 25 MHz (high) operating speed.

Appendix CPower-on DiagnosticsYour computer’s built-in memory (ROM) contains a series ofdiagnostics programs, which your computer runs automaticallyev

Power-on diagnostics error codes and messagesC-2 Power-on Diagnostics

Power-on diagnostics error codes and messages (continued)Power-on Diagnostics C-3

C-4Power-on Diagnostics

Appendix DPerforming System DiagnosticsThis appendix describes how to check the operation of the mainunit and peripheral devices of your Equity 386/25

Starting System DiagnosticsTo run the System diagnostics program, you must turn on yourcomputer with the Reference diskette in drive A. If you startth

If the list correctly describes your system, press Enter. If adevice is missing from this list, or if you wish to change the list,press N or and E

For example, you may see this menu:Suppose the first option is highlighted. If you want to select thatoption, just press Enter (because it is already

Removing the Diskette Drive Protector CardThere is a protector card in the diskette slot of your 5 ¼-inchdiskette drive. This card is inserted at the

You see this menu:To add a device to the list, select 1. The program displays a listof other devices that are not currently included in the DeviceList

Select the item you wish to delete. You can delete as manydevices as necessary.When the Device List is correct, select 0. The screen displaysthe modif

To perform the test once, select 1. The program then displays asubmenu of more detailed tests for the device you are checking.To perform the test mult

Resuming From an ErrorIf an error occurs during a test, the test stops at that point, andan error code and error message appear. If you want to record

The remainder of this appendix describes the tests you can runon the system’s internal devices and on the optional devicesinstalled on your computer.

Memory CheckUse this option to check all the memory currently installed inyour computer and the memory cache. The program reads theCMOS RAM to find th

Keyboard CheckUse this option to check the operation and the configuration ofthe keyboard. The program first checks the keyboard controller;during thi

Before checking the operation of the keys, you must identifyyour keyboard layout so the test is appropriate for the keys onyour keyboard. A display ap

Monochrome Display Adapter and CRT CheckUse this option to verify the operation of a monochrome displayadapter, VGA, or EGA card attached to a monochr

Attribute CheckTo check the display attributes of the adapter card, select 2.Several messages appear showing examples of all the possibledisplay attri

2Choosing a LocationBefore you set up your computer, it’s important to choose acomfortable, convenient location where it can run properly.Select a loc

After checking the character fonts, respond to the prompt:Is the display correct ? (Y/N)If the characters match the illustration, select Y. If you fin

Color Graphics Adapter and CRT CheckUse this option to check the operation of a color graphicsadapter (or MGA, EGA,or VGA) card and display. This test

Attribute CheckTo check the display attributes of the color graphics adaptercard, select 2. Several messages appear showing examples of allthe possibl

After checking the character fonts, respond to the prompt:Is the display correct ? (Y/N)If the characters match the illustration, select Y. If you fin

If the characters match the illustration, select Y. If you find aproblem with the characters on the screen, select N to displaythe error message.320x2

640x200 Graphics Mode CheckTo check your 640x200 graphics mode, select 6. The screendisplays three patterned squares against a contrastingbackground,

Screen Paging CheckTo check the screen paging of your monitor, select 7. Thevideo RAM on the color graphics adapter is divided into eightindependent d

Light Pen CheckTo check the function of a light pen connected to the colorgraphics adapter card, select 8. This test checks that a light penconnected

Color Video CheckThis test displays 16 different screens, each a different color,and a message indicating the color. The screens show thefollowing col

Run All Above ChecksTo run all the tests on the menu in sequence, select 11. Whenyou choose this option, all checks for the color adapter andCRT are p

3Connecting a MonitorThe procedure you use to connect your monitor to thecomputer depends on the type of monitor you have. See yourmonitor manual for

You can select the individual tests from the following menu.Before it performs any checks, the program determines thenumber of diskette drives install

Select option 1 from the menu to start this test. The programdisplays the number of each track it finds. For example, with a1.2MB diskette, the first

If you have only one diskette drive, you see a prompt to removethe the Reference diskette and insert a blank diskette beforerunning the test. You see

When you run the test for 1.2MB, 1.44MB, or 720KB drive, yousee this prompt:Remove the disk from drive 1.Remove the diskette. The program displays the

Parallel Port (Printer Interface) CheckUse this option to test the operation of the primary parallelprinter port. To perform the test, you must insert

Parallel Port (on Video Adapter) CheckUse this option to test the operation of an additional parallelport on a video adapter. To perform the test, you

First, the program checks the serial port control lines to see thatthey are able to change from high to low and vice versa. Nomessages are displayed d

Alternate Serial Port CheckUse this option to test the functions of an additional serialcommunications (RS-232C) port. To perform the test you mustins

When you continue the test, the program checks that theprinter is responding correctly. This test detects whether theprinter is offline or whether an

Hard Disk Drive(s) and Controller CheckUse this option to test the performance of the hard disk drive(s)installed in your computer. If any errors occu

After your video card is installed, follow these steps to connectthe monitor to the computer:4.Place your monitor on top of or near the computer. It i

Select option 1 from the menu to start this test. The programdisplays the number of each cylinder it finds. For example, witha hard disk, the first me

If an error occurs, make a note of the code and message. Thenuse the Non-destructive surface analysis (option 3 on the HardDisk Format Menu) to check

Press Enter when you have viewed the table. If the results showany read error tracks, run the write/read test (described above),and follow the instruc

Error Codes and MessagesThe following table lists all the error codes and messages thatmay appear during system diagnostics testing.System diagnostics

System diagnostics error codes and messages (continued)Performing System DiagnosticsD-39

System diagnostics error codes and messages (continued)D-40Performing System Diagnostics

Appendix EPhysically Formatting a Hard DiskThis appendix describes how to physically format a hard disk.Sometimes called a low-level format, this pro

In addition to destroying all the data on the hard disk,formatting removes any partitions defined on the disk bySELECT or FDISK and the logical format

The formatting options work as follows:Format first scans the disk (if it has no defective tracktable) for defective (bad) tracks and lets you decide

Formatting a New DiskMany hard disk drives come with a printed list of bad tracks butwithout the bad tracks flagged on the disk. Other hard disks(such

5.Plug the monitor’s power cord into the monitor’s powerinlet, as shown below.6.Plug the other end of the power cord into an electricaloutlet.Setting

Option 1, FormatIf you select l-Format from the Hard Disk Format Menu,you see the following (for a disk that does not have a defectivetrack table):Fo

For the hard disk in the Equity 386/25, it is best to accept therecommended skewed sector (also called the interleave factor)of 1. For other hard disk

The program now allows you to edit the table of defectivetracks:At the bottom of the table is this prompt:Modify defective track table ? (Y/N)Select N

2.Type the number of the cylinder containing the bad trackand press Enter. You see this prompt:Enter head number (0 - nn ):3.Type the head number

Formatting the DiskWhen you are ready to start formatting the disk, you see thefollowing warning:WARNING?ALL DATA WILL BE DESTROYED INALL PARTITIONS O

You see the head and cylinder numbers decrease as the programprogresses. When formatting is complete, the program flags anybad tracks and you see a se

To start this test, select 2-Destructive surfaceanalysis from the Hard Disk Format Menu. You see thesemessages:Analyze Hard Disk <Drive 1:>Read

To flag the error tracks as bad, select Y. You see a list of thetracks as they are flagged and these messages:Flagging bad tracks...Cylinder is 237,

If the program finds errors, the screen displays a table of thetracks that gave errors, similar to the one the Destructivesurface analysis displays.Af

Appendix FHard Disk Drive TypesThis appendix lists the types of hard disk drives you can use inyour Equity 386/25. Check this table and the documentat

4Connecting a Printer or Other DeviceThe Equity 386/25has a parallel interface, a serial interface, andan auxiliary mouse connector. To connect a prin

Hard disk drive types (continued)F-2 Hard Disk Drive Types

Notes:1Miniscribe 8425F. Seagate ST1252 Conner CP-344 or Minrscribe 8051A can be used as type 173. For Western Digital ESDI HDC or Drive Maker default

Appendix GSpecificationsCPU and Memory32-bit CPUSystem memoryROMMath coprocessor(optional)Cache controllerCache RAM80386 microprocessor, 25 MHz or 24

ControllersDisketteHard diskInterfacesSerialParallelAuxiliaryOption slotsSpeakerInternalClock/calendarRAMReal-time clock, calendar, and 64-byteCMOS RA

Power SupplySwitching type, fan-cooled, 115/230 VAC(switch-selectable), 190W; +5 VDC,+ 12 VDC, -5 VDC, -12 VDC; 50/60 HzMass StorageFour drives maximu

KeyboardDetachable, three positions, 101 sculptedkeysLayout58-key QWERTY main keyboard;17-key numeric/cursor pad; 10 cursor keys;16 function keys (use

GlossaryAbsolute pathnameA pathname that begins with the backslash character. Anabsolute pathname tells MS-DOS how to find its way to a givendirectory

Auto speedThe Equity 386/25 feature that enables it to automaticallyswitch from high speed (25 or 24 MHz) to low speed (simulated8 MHz) when accessing

BitA binary digit (0 or 1). The smallest unit of computer storage.The value of a bit represents the presence (1) or absence (0) ofan electric charge.B

CodeA system of symbols for representing data or instructions. Alsoany software program or part of a program.Code pageA table that defines the country

3.One end of the printer cable has a 25-pin, D-shell, maleconnector. Connect this end to the parallel port on theback panel of the computer, as shown

CoprocessorAn optional device that enables the computer to process certainmathematical calculations faster.Copy-protected programA type of program tha

DataInformation such as text or graphics stored or processed by acomputer.Data disketteA formatted diskette on which you store data files (as opposedt

DeviceA piece of equipment that is part of a computer system andperforms a specific task, such as a disk drive, a monitor, or aprinter.DiagnosticsThe

Display adapter cardThe circuit board installed in one of the computer’s option slotsthat provides the interface to which you connect the monitor.The

Expanded memoryMemory that specially-written MS-DOS application programscan use with an Expanded Memory Specification (EMS) devicedriver such as EMM38

FilenameA name up to eight characters long that MS-DOS uses toidentify a file.Fixed diskSee Hard disk.FormatTo prepare a new disk (or an old one you w

High-densityA type of format that allows you to store more data thannormal. A 5 ¼-inch high-density diskette can store 1.2 MB ofdata. A 3 ½-inch high-

LIM 4.0 EMSVersion 4.0 of the Lotus/Intel/Microsoft Expanded MemorySpecification-a protocol that allows certain applicationprograms to use memory that

MemoryThe area where your computer stores data. Memory contentscan be permanent and inalterable (ROM) or temporary(RAM).Memory moduleA small circuit b

Monochrome monitorA monitor that displays in only one color, such as green oramber, as opposed to a color monitor which can display inseveral colors.M

4.Connect the other end of the cable to the printer, as shownbelow. To secure the cable, squeeze the clips at each side ofthe printer port and push th

Operating systemA collection of programs (such as MS-DOS or MS OS/2) thatmanages a computer’s operations. The operating systemdetermines how programs

PathnameThe list of directories and subdirectories you specify to locate afile. For example, the pathname for the file SALES which islocated in the su

PromptA message the screen displays that tells you what action youneed to perform next. See also Command prompt.RAMRandom Access Memory. The portion o

RGBRed Green Blue. A type of color monitor.ROMRead Only Memory. A portion of memory that can only be readand cannot be used for temporary storage. ROM

SIMMSee Memory module.SoftwareThe programs that enable your computer to perform the tasksand functions you indicate.Source disketteThe diskette that y

System diagnosticsA series of checks you can perform on the computer to makesure the hardware is functioning correctly.System disketteA diskette that

WildcardA character that represents any character or group of characters.The wildcard character *(asterisk) represents a group ofcharacters, and the w

IndexAAbsolute pathname, 4-20-22Alternate parallel port check,D-29Alternate serial port check,D-32APPEND, 4-22Automatic configuration, Intro-2,2-2Auto

Copying,diskettes, 3-20, 3-25-26, 4-30-34files, 4-11-13hard disk files, 4-34-35Coprocessor, see Math coprocessorCopy-protected programs, 2-16-17,B-17-

Diskettes,removing, 3-22-23storing, 3-22swapping, 3-27, 4-38system, 3-25-26types, 3-18-20volume label, 4-29write-protecting, 3-24-25Display adapter ca

Using the Serial InterfaceIf you have a printer, a modem, or any other peripheral with aserial interface, you can connect it to the serial (RS-232C) p

Hard disks,how they work, 3-16-17installing MS-DOS on, 3-l-2loading MS-DOS from, 4-2-3parking the heads, 3-30partitions, 4-3, E-2, E-13physically form

Monitor,connecting, 1-5-7DIP switch, A-8problems, B-9-10selecting type, 1-5, 2-6-8Monochrome display adapter andCRT check, D-13-15Monochrome graphics

Pathnames, 4-20-22, 4-40absolute, 4-20-22including drive letters in,4-21-22including filenames in, 4-21-22relative, 4-20-21Physical characteristics, G

Setup program,extended memory caching,2-7-9fast boot function, 2-14-15,B-3hard disk drive configuration,2-22-27leaving the program, 2-31math coprocess

WWarranty card, 1-2Wildcard characters, 4-11-12Write-protect notch, 3-24Write-protect switch, 3-25Write-protect tab, 3-24Write-protecting diskettes, 3

Epson America, Inc.2780 Lomita BoulevardTorrance, CA 90505

EPSON”User’s GuideY19399100100

Using the Mouse ConnectorYour computer has an auxiliary port for a PS/2™- compatiblemouse that uses a mini DIN (6-pin) connector. To connect amouse t

5Connecting the Power CordFollow these steps to connect the power cord:1.Make sure the power switch on the computer is turned off.2.Plug the power cor

6Connecting the KeyboardFollow these steps to connect the keyboard:1.Turn the computer around so the front is facing you.2.Open the door on the lower

3.Plug the keyboard cable into the socket, as shown below.Do not force the connector, but be sure to insert it all theway. Guide the keyboard cable th

You can change the angle of the keyboard by adjusting the legson the bottom. Turn the keyboard over and lift each leg upwarduntil it locks into place,

Never turn off or reset your computer while a disk drivelight is on. This can destroy data stored on disk or make anentire disk unusable.Always wait a

The power indicator on the front panel lights up. After a fewseconds, the computer starts to perform an internal self test.This is a series of checks

Chapter 2Running the Setup ProgramThe first time you use your Equity 386/25, you need to run theSetup program on the Reference diskette to define thec

Automatic ConfigurationThe Equity 386/25 automatically defines your system’s memoryconfiguration and recognizes a math coprocessor, if you haveinstall

Starting the Setup ProgramFollow these steps to start the Setup program:1.Turn off your computer, monitor, and any peripheraldevices, if you have not

IMPORTANT NOTICEDISCLAIMER OF WARRANTYEpson America makes no representations or warranties, either express or implied, byor with respect to anything i

3.Turn on your system. (Remember to turn on your monitorand any peripherals before you turn on the computer.) Thescreen displays the Operation Menu:4.

Continuing From an Error MessageIf your computer has never been set up, you may see an errormessage, such as the following:162 - System options not s

Some errors, such as Time is invalid , do not allowyou to set a default value, so the screen does not display theSet default value prompt. If you see

Moving the Cursor BlockUse and to move the cursor block (the highlighted bar)through the options on the main Setup menu. After youhighlight the

The Equity 386/25 automatically enables memory caching forthe 640KB of base memory in your system. For the memoryabove lMB, the Setup program allows

The table indicates the cachable range of extended memorycurrently installed in your system. You see ON or OFF in thefirst area because your system co

Setting the Display Adapter Card TypeFollow the steps below to set the type of display adapter (video)card you are using with your Equity 386/25.1.At

3.Press Enter to move the cursor block into this submenu andthen use or to highlight the option that matches yourdisplay adapter card. If you a

4.After you highlight the appropriate display adapter cardtype, press Enter. The screen displays your new displayadapter card setting.5. Highlight * *

2.Press Enter. The cursor block moves to Power-onpassword.If a password already exists, this message appears:Power-on password already installedNote

IMPORTANT SAFETY INSTRUCTIONS1.2.3.4.5.6.7.8.9.Read all of these instructions and save them for later reference.Follow all warnings and instructions m

4.After you enter a password, press Enter to return to thepassword submenu.5.If you want to change the network server mode setting,highlight Network

When Fast boot is disabled, the diagnostics program performsthree different tests on your system’s memory and also checksthe internal devices in your

Setting the Auto Speed FunctionThe Equity 386/25can operate at two speeds: high or low. Highspeed is either 25 MHz or 24 MHz (depending on the setting

If this does not work, try loading the program at low speedand then switch to high to run it. Do not enable the Autospeed function.Follow these step

Setting the Shadow RAM FunctionMany computer systems can access RAM (random accessmemory) faster than ROM (read-only memory). YourEquity 386/25provide

Setting the Real-time ClockThe real-time clock in your Equity 386/25 constantly tracks thetime and date-even when the computer is turned off. The firs

2.Press Enter to move the cursor block into the submenu.3.To set or change the time, press Enter again. You see thisprompt:4.Using a 24-hour time peri

6.Enter the date in the exact format shown in the box. Usetwo digits for the month and day and four digits for the year;the Setup program automaticall

Setting the Hard Disk Drive ConfigurationIf your computer came with a 40MB or 100MB hard disk, yourcomputer’s hard disk configuration has already been

2. To select Hard disk drive , press Enter. You see amenu such as the following:The submenu lists the settings you can change for eachdrive: the num

11. Never push objects of any kind into this product through cabinetslots, as they may touch dangerous voltage points or short outparts that could res

If you want to change the drive types, and the configurationof the hard disk you are installing does not match one of thedrive types listed in Appendi

You can enter the drive type in one of two ways:You can type the drive type number (listed inAppendix F) and press Enter. The screen displays thenew d

7.If the configuration of the hard disk you are installing doesnot match one of the drive types listed in Appendix F,highlight User defined and pres

8.If you want to change the hard disk settings for drive 2,press and return to step 4.9.When the hard disk drive settings are correct, press tom

2.3.4.5.Press Enter. The cursor block moves into the diskette drivesubmenu and you see the following:If you want to change the drive A settings, be su

Reviewing Your SettingsWhen you finish using the Setup program to define yourcomputer’s configuration, press to highlight Exit at themain Setup me

If you have never set the real-time clock, the real-time clockentry at the top of the screen flashes to remind you to set thetime and date.To view the

Leaving the Setup MenuIf you want to save the settings you entered, highlight** EXIT AND SAVE ** and press Enter at a Setupsummary screen. The Setu

Chapter 3Using the Equity 386/25This chapter describes the following procedures for using yourEquity 386/25 computer:Installing MS-DOSUsing a power-on

The MS-DOS installation process automatically copies theMS-DOS files onto your hard disk or generates working copiesof the original MS-DOS diskettes.

ContentsIntroductionHow to Use This Manual...3Where to Get Help...5Chapter 1Setting Up Your S

You have three chances to enter the correct password. If you donot enter the correct password at the first or second key prompt,another key prompt app

The screen does not display what you type.3.Press Enter. A happy face character appears and then thecomputer loads MS-DOS.To access the computer the n

Locking the ComputerThe key lock on the front panel of the computer allows you tolock the cover onto the computer and disable the keyboard andthe RESE

You can remove the key in either a locked or unlocked position.Your Equity 386/25comes with two keys; store them safely indifferent locations in case

Use the CPU SPEED switch on the front panel to change theCPU speed; move it left for low and right for high. When thecomputer runs at low speed, the

Special Keys on the Equity 386/25 KeyboardCertain keys on your keyboard serve special functions whenyour computer is running MS-DOS or application pro

Key functions (continued)The Caps Lock, Num Lock, and Scroll Lock keys work astoggles; press the key once to turn on a function and again toturn it

Stopping a Command or ProgramYou may sometimes need to stop a command or program whileit is running. Many application programs provide a commandyou ca

WARNINGDo not reset the computer to exit a program unless you haveto. Some application programs classify and store new datawhen you exit the program.

Using the Equity 386/25 as a Network ServerIf you plan to use your Equity 386/25 in a computer network,you may want to use your computer as the networ

Setting the Real-time Clock...2-19Setting the Hard Disk Drive Configuration...2-22Setting the Diskette Drive Type(

See “Setting the Power-on Password” in Chapter 2 forinstructions on how to set a power-on password and enablenetwork server mode.Using a Password in N

Changing a Password in Network Server ModeTo change the power-on password when you are using networkserver mode, follow these steps:1.Insert your Refe

3.Press Enter. A happy face character appears and then yousee the Operation Menu.4.Select 0 to exit to MS-DOS.5.When you see the A> prompt, remove

Write-protect diskettesMake backup copies of your diskettesUse a single diskette drive Use two diskette drivesUse a hard disk drive.How Disks Store D

A disk is further divided by sectors. To understand what a sectoris, picture the spokes on a bicycle wheel radiating from thecenter of the wheel to th

Types of Diskette DrivesThe Equity 386/25comes with one 1.2MB diskette drive. Withthis drive, use 5 ¼-inch, double-sided, high-density, 96 TPI,1.2MB d

Drive and diskette incompatibilitiesIf your computer has more than one type of diskette drive, or ifyou use diskettes from other computers with other

Because of these incompatibilities, always indicate the diskettetype and density when you label your diskettes. (Usually thisinformation appears on th

Never wipe, brush, or try to clean diskettes in any way.Keep diskettes in a moderate environment. They work bestat normal room temperature and in norm

For a 5 ¼-inch diskette, it is best to write on a label beforeyou attach it to the diskette. If you need to write on a labelthat is already on a 5 ¼-i

Chapter 4 Using MS-DOS With Your Equity 386/25Starting MS-DOS... 4-2Using Drive Designators...

To remove the diskette, turn the latch up until it is horizontaland the edge of the diskette pops out. Carefully pull out thediskette, place it in its

Write-protecting DiskettesYou can write-protect a diskette to prevent its data from beingaltered. When a diskette is write-protected, you can read it

On a 3 ½-inch diskette, the write-protect device is a smallswitch on the back of the diskette in the lower right corner,shown below. To write-protect

To make backup copies of your diskettes, use the DISKCOPYcommand, the MS-DOS Shell, or the MENU program. SeeChapter 4, your Shell User’s Guide, or you

For example, if you enter a command to copy from A to B,MS-DOS copies from the first diskette you place in the drive(A) to the computer’s memory. Then

Using a Hard Disk DriveWorking with a hard disk is similar to working with a diskette.However, the hard disk provides several advantages:A 40MB hard d

Never attempt to open the hard disk drive. The disk itself isenclosed in a sealed container to protect it from dust.Before you move your computer (eve

Preparing the hard disk for movingIf you need to move your computer to a new location-whetherit is across the country or just across the room-you shou

Chapter 4Using MS-DOS With Your Equity 386/25Your Equity 386/25comes with version 4.01 of MS-DOS. Thisoperating system manages your computer by organi

Starting MS-DOSBefore you can run an MS-DOS application program, MS-DOSmust be loaded in the computer’s memory. If you have a harddisk and you install