Epson 486SX Podręcznik Użytkownika

Setting the Display Adapter Type. . . . . .Setting the Power-on Password . . . . . . . .Setting the Extended Memory Caching. . .Setting the Processor

7.Connect the power supply and drive cables to the backs of allyour drives, as described in Chapter 7.Replacing the Front PanelFollow these steps to r

Replacing the CoverFollow these steps to replace the computer’s cover:1.Turn the computer so you are facing the back panel.2.Hold the cover at a sligh

Post-installation SetupAny time you install or remove a math coprocessor or memorymodules, you must run the Setup program on your Referencediskette so

You may also want to test a newly-installed option. Someoptions come with their own diagnostics programs; however,you can test the following with the

Chapter 6Installing and Removing OptionsYou can enhance the performance of your computer by addinga variety of options, including the following:Q Opti

A math coprocessor speeds up the numeric calculations andgraphic displays your computer performs when using certainapplication software. The 50 MHz mo

Main System BoardAs you follow the instructions in this chapter and in Chapter 7,use the illustration below to locate the necessary componentson your

Jumper SettingsIf you change your computer’s configuration or need to alterthe way it operates, you may need to change a jumper settinginside the comp

A jumper’s setting is determined by where the jumper is placedon the pins. The jumper connects either pin A and the middlepin (position A) or pin B an

Jumper settings for base memoryBase memoryJumper JP13640KBA’Jumper JP14A’512KBBA256KBB Bl Factory settingJumper settings for extended memoryl Factory

Using Expanded Memory Beyond 640KB...4-12Using Special VGA Features...4-13Chapter 5Accessing Internal ComponentsSpecial Prec

Changing the Jumper SettingsIf you need to change any jumper settings, follow these steps:1.Remove any option cards that may be blocking your access t

Option CardsYour computer has six standard option slots: five 16-bit slotsand one 8-bit access slot. Each slot can accommodate an optioncard. You can

The illustration of the main system board on page 6-3 showsthe six standard option slots inside your computer. Slot 5 isdesigned for an 8-bit option c

Installing Option CardsFollow these steps to install an option card:1.If you are installing an option card that controls a mouse, youneed to change th

3.Unpack the option card. When you handle it, be careful notto touch any of the components on the circuit board or thegold-edged connectors. If you ne

6.Secure the end of the card to the back of the computer withthe retaining screw.7.Follow the instructions in Chapter 5 to replace thecomputer’s cover

Memory ModulesYour computer comes with 4MB of memory soldered onto thememory card in your computer. By installing SIMMs (singleinline memory modules)

Installing Memory ModulesThere are 12 SIMM sockets on the memory card organized inthree banks consisting of four sockets each. Each socket cancontain

Removing the memory cardFollow these steps to remove the memory card from yourcomputer:1.Remove the screw securing the memory card to the bracket atth

Installing SlMMsFollow these steps to install SIMMs:1.Turn the memory card on your work surface so theconnectors at the bottom of the board are toward

Installing a Drive...7-17Connecting the Cables...7-18Appendix APhysically Formatting a Hard DiskChoosing the Ty

3.Gently push the SIMM into the socket and then tilt it leftuntil it is vertical.The SIMM should snap into place between the tabs and theretaining pos

Removing SlMMsIf you need to remove SIMMs from your computer, have yourdealer do it for you or follow the steps below. If you removethem yourself, che

4.Set the appropriate main system board jumpers to indicatethe total amount of memory you now have. See “JumperSettings” on page 6-4 for instructions.

Chapter 7Installing and Removing DrivesThe instructions in this chapter describe how to install andremove optional Epson drives in your computer. You

Using the Correct Drive BayYour system can hold up to five half-height drives or acombination of third-, half-, and full-height drives. As shownbelow,

You can install 3Winch drives in the internal bays. In theexternal bay, you can install 51/4-inch drives or 3M-inch driveswith 5%inch mounting frames

Changing the Jumper SettingsThe hard disk drive jumpers are usually located on the drive’scircuit board, near the large cable connector.jumpersThe ins

Set the jumpers according to the table below.Hard disk drive jumper settingsX= jumper installed- = no jumper installedTo move a jumper from one positi

Installing or Removing a Drive in the External BayThis section describes how to install or remove an Epsondiskette drive; however, you can use these i

Follow the steps below to install a disk drive in an external bay.1.Locate the following parts included with your computer foreach drive you will inst

Printer Problems...B-24Option Card Problems...B-26Mouse Problems...B-27Using the M

3.Slide the drive into the bay as shown below, aligning thebracket screws on each side with the appropriate grooves inthe drive bay guide.4.Guide the

8.Locate one of the power supply cables (labelled P1 throughP5) in the clasp on the left side of the subassembly. (Youcan use any one that is availabl

Align the cable connector with the drive interface so that thedivider in the connector lines up with the gap in theinterface, as shown below. Then pus

12.Locate the hard disk drive cable. If you are installing yourfirst hard disk drive, this cable came in the box with yourcomputer. If you are install

Removing a DriveFollow these steps to remove a drive from the external drivebay:1.Disconnect the power supply and drive cables from the backof the dri

3.4.5.Grasp the front of the drive and pull it out.NoteIf you remove an IDE hard disk drive from the externalbay and it is your only hard disk drive,

Installing or Removing a Drive in the Internal BayYou can install only 3M-inch hard disk drives in yourcomputer’s internal drive bay. If you are insta

Removing a DriveFollow these steps to remove an internal drive:1.Disconnect the power supply and drive cables from the drive(if you have not already d

NoteIf you remove one IDE hard disk drive and are leavinganother one in the system, you must set the jumpers onthe remaining drive to indicate that yo

connectors%2.Adjust the drive’s position so that the four holes on the driveare aligned with the corresponding holes in the drive bay.Then secure the

IntroductionYou’ve chosen a powerful, versatile Epson@ computer, ideallysuited for use in a network or as a high-performance personalworkstation.Wheth

Connecting the CablesFollow these steps to connect the drive and power supplycables:1.If the subassembly is out of the computer, follow the stepsin Ch

If you are installing your second drive, the cable is alreadyattached to your other drive; use the second connector onthat cable. Connect the cable as

4.If you are installing your first hard disk drive, you alsoneed to connect the drive cable to the main board. The harddisk drive socket is labeled HD

Physically Formatting a Hard DiskAppendix AThis appendix describes how to physically format a hard disk.Sometimes called a low-level format, this proc

In addition to destroying all the data on the hard disk, physicalformatting removes any partitions and logical formattingdefined on the disk by your

The formatting options work as follows:tlFormat first scans the disk for defective (bad) tracks andlets you decide which tracks to mark as bad. Then i

Reformatting a Used DiskIf you are reformatting a disk you have been using, follow thesesteps:1.Use the Non-destructive surface analysis test to check

Option 1, FormatIf you select Format from the Hard Disk Format Menu, yousee the following (for a disk with no defective track table):Format Hard Disk&

For an Epson hard disk drive, it is best to accept therecommended skewed sector (also called the interleavefactor) of 1 since this setting allows your

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

Optional EquipmentYou can easily upgrade your computer by installing additionalmemory and adding just about any optional device that iscompatible with

When you complete a valid entry, it appears in the table andyou can add the next bad track, if necessary.If you make a mistake, move the cursor block

Select Y to cancel formatting (and check your backups) or N tocontinue.If you continue with formatting, you see:Format started.Head: nnn Cylinder : nn

CautionIf any errors occur during this check, all data on the trackthat produces the error is destroyed. For this reason, if yoususpect an unflagged b

If the program finds one bad track that is not flagged, thesummary would show one track with a write, read error. Thereport is followed by a table lik

Option 3, Non-destructive Surface AnalysisThe Non-destructive surface analysis does not destroy anydata, and you can use it to safely check the condit

Exiting the Hard Disk Format MenuTo leave the Hard Disk Format Menu, select Exit. The screendisplays the Operation Menu.If you formatted the hard disk

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

2.At the MS-DOS command prompt, type VER and pressIEnter The screen displays the MS-DOS version number.Write down the number so you can give it to you

If the error is serious, the computer cancels further checkingand halts system initialization. The error message remains onthe screen and the computer

Power-on diagnostics error messages (continued)Error codeMemory171173BIOS shadow RAM error 1 Contact dealerCache options error201Memory error202 Memor

VGA UtilitiesEpson has included special VGA device drivers and utilities foruse with your built-in VGA adapter. With these utilities, youcan take adva

Power-on diagnostics error messages (continued)Error codeHard disk drive(s) andcontroller176017611770177117801781178217901791Auxiliary device(s)860186

2.If the power light still does not come on, check the electricaloutlet for power. Turn off your computer, unplug thepower cord, and plug a lamp into

2.If you have just made a change in your system’sconfiguration, your computer may take a few minutes tocomplete its power-on diagnostics. The first ti

9.If you installed an EGA or VGA display adapter card, oranother type of card that you want to be the primarydisplay adapter, you must set jumper JP

Restoring the Power SupplyTo restore normal power supply operation, follow these steps:1.Turn off the computer and leave it off for at least30 seconds

Password ProblemsIf you have any trouble using your password, try the following:1.If you think you know the correct password, reset thecomputer and tr

Removing a PasswordIf you have forgotten your password and you do not want toset a new one, there are two ways to remove the currentpassword:tlDisable

2.Insert the Reference diskette in drive A and turn on thecomputer. You do not see the key prompt.3.When the Operation Menu appears, highlight Setup a

Setting a New PasswordIf you have forgotten your current power-on password andwant to set a new one, follow these steps:1.Turn off the computer. Then

Keyboard ProblemsIf you are having trouble with the keyboard, check thefollowing:1.If the screen displays a keyboard error message when youturn on or

Chapter 6 describes some of the options you can use in yourcomputer and contains instructions for setting jumpers andinstalling various options.Chapte

Monitor ProblemsFor monitor problems, check the following:1.If there is no display on the screen, check that the monitor’spower switch is on and that

8.If you are running an application program, see if you needto set up the program for the type of monitor and displayadapter you have. Also make sure

Diskette ProblemsIf you see a diskette error message or have trouble accessingdata on a diskette, try the following steps:1.Did you secure the diskett

7.You may have entered an incorrect diskette drive type whenyou ran the Setup program. Run the Setup program againto check the setting. See Chapter 2

Diskette Drive ProblemsIf you see a diskette error message or have difficulty with adiskette drive, follow these steps:1.Try running the Diskette driv

Hard Disk ProblemsIf you are having a problem with a hard disk in your computer,you may see a hard disk error message. The problem could bethe result

2.If you installed the hard disk in your computer yourself,did you carefully follow all the instructions in Chapter 7?Review the instructions and chec

If you do not prepare the drive correctly, you cannot store dataon the disk. For example, if you partition the drive and formatit for MS-DOS (or for a

Software ProblemsIf you are having trouble with an application program, try thefollowing solutions:1.If the application program does not start, check

5.If resetting the computer does not help, remove anydiskettes, turn off your system, wait five seconds, and turnit back on. Then restart your applica

Where to Get HelpIf you purchased your Epson product in the United States,Epson America provides local customer support and servicethrough a nationwid

4.If your printer is properly set up but is still not functioning,test it from the MS-DOS level. When the screen displays theMS-DOS command prompt (su

Option Card ProblemsIf you install an option card and it does not function properly,check the following:1.2.3.4.5.6.7.Is the option card installed cor

Mouse ProblemsIf you are having a problem with your mouse or you see anauxiliary device error message, check the following:LIMake sure the mouse cable

3.Use the COPY command to copy MOUSE7PT.EXE fromyour Reference diskette to the directory on your hard diskthat contains the MOUSE.COM file. (See your

Memory Module ProblemsIf you added extra memory to your system by installing SIMMsand that memory is not operating properly, check the following:1.Che

Math Coprocessor ProblemsIf the math coprocessor in your system does not seem to beoperating properly, check the following:1.If you have the 25 MHz mo

Appendix CPerforming System DiagnosticsThis appendix describes how to test the operation of yourcomputer and its peripheral devices using the Systemdi

Starting System DiagnosticsTo run the System diagnostics program, you turn on or resetyour computer with the Reference diskette in drive A. If youstar

If the list correctly describes your system, highlight Y and pressIEnter If a device is missing from this list, or if you want tochange the list, pres

Selecting an OptionWhen you are using the System diagnostics program, you oftenneed to select an option from a menu. There are two ways to dothis:tlUs

Chapter 1Setting Up Your SystemSetting up your Epson personal computer is easy. Just followthe eight steps in this chapter. You may want to leave this

Modifying the Device ListIf an installed device is missing from the Device List, you canadd it to the list for testing. At the following prompt, selec

Selecting a TestFrom the Device List, select the device you wish to test. Beforethe test begins, the program asks how many times to performthe test. Y

For some devices, the computer does not display a submenu oftests to choose from. Instead, it performs all the tests that do notrequire you to enter a

After printing the error message, the program displays thisprompt:Printout is finished.Press ENTER to returnto the menu.The program continues after an

System diagnostics tests (continued)DeviceMonochromedisplay adapterand CRTTests availableDescriptionAdapter checkTests all types ofAttribute checkmono

System diagnostics tests (continued)DeviceDot matrix printerLLHard disk drive(s)and controllerLParallel port on avideo adapterLAlternate parallelportL

System diagnostics error messages (continued)Error codeMessageSystem board (continued)107Keyboard controller timeout error108Keyboard controller self

System diagnostics error messages (continued)Error codeMessageColor graphics adapter and CRT501Error in adapter check503Error in attribute504Error in

System diagnostics error messages (continued)Error codeMessageMath coprocessor (continued)710Coprocessor precision errorParallel port (printer interfa

Appendix DSpecificationsCPU and Memory32-bit CPUSystem speedSystem memoryROMShadow RAMMath coprocessorClock/calendarCache controller25 MHz system: 804

FCC COMPLIANCE STATEMENT FOR AMERICAN USERSThis equipment has been tested and found to comply with the limits for a class B digitaldevice, pursuant to

Before you set up your computer, it’s important to choose asafe, convenient location that provides the following:clA sturdy desk or table strong enoug

Cache RAMSpeakerControllersDisketteHard diskInterfacesMonitor32KB high-speed static RAM, two-way setassociative on main system board;8KB integrated in

AuxiliaryKeyboardOption slotsSpeakerPower SupplyTypeInput rangesMaximum outputsMini DIN, 6-pin connector for PS/2compatible mouse or other deviceMini

KeyboardLayoutDetachable, two position, 101/102 sculpted keys(country-dependent)58-key QWERTY main keyboard;17-key numeric/cursor pad; 10 cursorkeys;

Power Source Requirements120 Volt power source requirementsAC plugPlug TypePower cordReferencestandardsANSI C73.11,NEMA 5-15-PIEC 83North America125V,

System Memory Map02000000h16MB(Maximum systemmemory on SIMMs)Extended memoryOO1OOOOOh1MBSystem BIOS ROM: 64KB*000F0000hcVGA BIOS: 32KB*000E0000hcAvail

GlossaryAddressA number or name that identifies the location whereinformation is stored in a computer’s memory.Analog monitorA monitor that generates,

Automatic speedThe feature that enables the computer to switch automaticallyfrom high speed to low speed when accessing a diskette drive.BackupAn extr

A sequence or group of eight bits that represents one character.Cache memoryA high-speed type of memory buffer that stores informationfrom base or ext

Command promptThe symbol or message that tells you MS-DOS is loaded andready to receive instructions. The default command promptdisplays the current d

CPUCentral Processing Unit. The primary unit of the computer thatinterprets instructions, performs the tasks you indicate, keepstrack of stored data,

2Removing the Protector CardIf you have a 544inch diskette drive, a protector card has beeninserted in the diskette slot at the factory to protect the

Device driverA file containing instructions that allow your computer torecognize and control a device.DiagnosticsThe tests and procedures the computer

Display adapter cardA circuit board that can be installed in one of the computer’soption slots to provide the monitor interface. The displayadapter ca

Extended MemoryMemory above 1MB that is accessed by the protected mode ofthe microprocessor and is available to some applicationprograms and operating

FormatTo prepare a new disk (or an old one you want to reuse) so thatit can store information. Formatting divides a disk into tracksand sectors and cr

A small device that connects two pins on an option card, a diskdrive, or the main system board to activate a particular function.Key diskA diskette co

MDAMonochrome Display Adapter. A type of display adapter thatdisplays text in only one color, such as green or amber.Megabyte (MB)A unit used to measu

MicroprocessorA small version of a CPU contained on one semiconductor chip.See also CPU.ModemA device that allows a computer to transmit signals overt

Network server modeAn optional password mode that provides extra security for acomputer that is operating as a network server.Non-inter/aced modeA tec

ParallelThe type of interface that transmits all the bits in a byte of datasimultaneously over separate lines. See also Interface and Serial.Parameter

Power-on diagnosticsTests that the computer runs to check its internal circuitry andconfiguration each time you turn it on.Power-on passwordThe sequen

Using the VGA InterfaceFollow these steps to connect your VGA monitor to the VGAport on the computer:1.Make sure your monitor and computer are turned

Read/write headThe physical device inside a disk drive that reads and recordsdata on the magnetic surface of a disk.Real-time clockA battery-powered c

SectorA contiguous section of a disk track that provides an address atwhich the computer can access data.Se/f testThe initial diagnostics procedures a

SwitchAn option added to a command that modifies the way thecommand works. Switches are usually preceded by a /(forward slash). For example, if you ad

Video cardSee Display adapter card.WriteTo store data on a disk.Write-protectTo protect the data on a diskette from being changed by placinga write-pr

IndexAAFDD program, 3-2, 4-7-9Alternate parallel port check,C-10Alternate serial port check, C-9Analog monitor, 4-13AUTOEXEC.BAT, 2-33, 4-1 -2, C-3Aut

Copy-protected programs, 2-14, 4-3Cover,locking, 3-3removing, 5-24replacing, 5-11CPU, D-1CPU speed, see Processor speedCTRL ALT +, 4-4 -5CTRL ALT -, 4

FFiles,AFDD.EXE, 3-2, 4-7 -9AUTOEXEC.BAT, 2-33, 4-1 -2,C-3backing up, 3-1 -2, A-1batch, 4-1 -2CONFIG.SYS, 1-12, 2-33, C-3copying, 3-1 -2, A-1EMM386.EX

LLIM 4.0 EMS, 4-12Loading MS-DOS, 2-33Location, choosing for computer,1-1 -2Locking computer cover, 3-3Low-level format, see PhysicalformattingMMain s

NNetwork server, 4-9 -11Network server mode, 2-9 -11, 3-7,4-9 -11Non-destructive surface analysis,A-2 -3, A-12 -13Non-interlaced mode, 4-13Num lock,in

RRAM cache, D-2, D-6RAM check, B-2Random access memory (RAM),2-1, 3-18, B-2Read only memory (ROM), B-2,D-l, D-6Read/write heads, 3-9Real-time clock, 2

CautionTo avoid damaging the connector, take care not to bendthe pins when you insert the plug.5.If the connector has retaining screws, be sure to tig

System,identifying, B-1 -2memory, see Memorysetting up, 1-1-16TTape drive, 7-1, 7-9TIME, 2-17Time, setting, 2-17 -19Timer check, B-2Tracks, A-1 -13Tro

diskettediskettereleasereleasebuttonpoweroptionalRESETdrive baybuttonpower inletoption card slotsmouse’I\\serialparallelportkeyboardportportVGA Portpo

User’s Guide UpdateTo run any of the following programs from your Referencediskette, you need to access the Operation Menu:cl Setupc3 Format hard disk

However, if this screen appears and you are trying to run aprogram other than Setup, follow these instructions to reachthe Operation Menu:1.Use [rl to

Using a Display Adapter CardIf you are using a non-VGA monitor, you’ll need to install adisplay adapter (video) card in one of the computer’s optionsl

If you install one or more cards, you also may need to setjumper JP6 to tell the computer the type of monitor you areusing: monochrome or color. If yo

3.One end of the printer cable has a 25-pin, D-shell connector.Position the plug to match the orientation of the parallelport (marked with a special i

5.Plug the printer’s power cord into a properly grounded(earthed) electrical outlet.Using the Serial InterfaceIf you have a printer, a modem, or other

5Connecting the KeyboardFollow these steps to connect the keyboard:1.Make sure the computer is turned off.2.Hold the keyboard cable connector so the a

3.You can raise the keyboard by adjusting the legs on thebottom. To change the angle of the keyboard, turn it overand flip each leg upward until it lo

EPSON®User’s Guide

Follow these steps to connect a mouse:1.Make sure the computer is turned off.2.Hold the mouse connector so it is oriented properly with itsport (marke

7 Connecting the Power CordFollow these steps to connect the power cord:1.Plug the power cord into the AC power inlet on the backpanel, as shown below

8Turning On the ComputerAfter you set up your system, you’re ready to turn on thepower. But first, read the following safety rules to avoidaccidentall

4.To turn on the computer, press the power button located onthe right side of the front panel, as shown below.powerThe power indicator below the butto

Turning Off the ComputerWhen you are ready to turn off your system, reverse thesequence of steps you followed to turn it on. Turn off thecomputer firs

Chapter 2Running the Setup ProgramThe first time you use your computer, you need to run theSetup program on the Reference diskette to define thecomput

Automatic ConfigurationYour computer automatically defines your system’s memoryconfiguration and recognizes whether the CPU chip contains amath coproc

3.Turn on your system. (Remember to turn on your monitorand any peripheral devices before you turn on thecomputer.) The screen displays the Operation

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 se

2.Be sure Y is highlighted and press IEnter The Setupprogram changes the setting that caused the error to onethat is more likely to match your configu

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

Moving the Cursor BlockUse 1 and 1‘ to move the cursor block (the highlighted bar)through the options on the main Setup menu. After youhighlight the o

NoteIf you have installed an EGA or VGA display adapter card,or another type of card that you want to be the primarydisplay adapter, you must set jump

3.Press m to move the cursor block into this submenuand then use I’ or 1 to highlight the option that matchesyour display adapter type. If you are not

4.After you highlight the appropriate display adapter type,press IEnter The screen displays your new setting.5. Highlight*** SAVE SETTING *** and pres

NoteIf a password already exists, this message appears:Power-on password already installedThe Setup program does not allow you to enter a newpassword

6.If you want to change the network server mode setting,highlight Network server mode. To turn networkserver mode on or off, press w).You must set a p

Your computer automatically enables memory caching for the640KB of base memory. For the memory above 1MB, the Setupprogram allows you to turn extended

2.To change the setting, press m. The cursor blockmoves to Extended memory caching.3.Press m again. The cursor block moves to the firstrange in the ca

You can also set the processor to change its speedautomatically. This enables the computer to switch to lowspeed whenever it needs to access a diskett

3.Press [Enter] to move the cursor block into the optionmenu.4.Use ? or 1 to highlight the speed you want and pressIEnter5. Highlight ** SAVE SETTING

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

1.2.3.4.NoteIf you are using the keyboard that came with your computer(or another IBM AT compatible keyboard), the defaultsetting for the initial num

5.To change the keyboard repeat rate, highlightKB repeat rate. You see the following option menu:SlowNormalFast6.Press m to move the cursor block into

Follow these steps to set the real-time clock:1.At the main menu, highlight Real-time clock. If thetime and date have been previously set, the current

You can use the backspace key to make corrections. Whenthe time is correct, press [Enter. If you enter an invalidtime-for example, a number greater th

Setting the Hard Disk Drive ConfigurationIf your computer came with a factory-installed hard disk, yourhard disk configuration has already been set an

2.Press IEnter You see a menu such as the following:Drive 1: Type 34Drive 2:NoneNumber of cylinders723Number of cylindersNunher of heads13Number of he

5.If you have disconnected the drive or if the drive does notexist, highlight None and press [Enter. All the drive settingsrevert to 0. Go to step 8.I

7.If your hard disk does not match one of the drive typeslisted in the Hard disk drive types table, highlight Userdefined and press [Enter. You see th

Hard Disk Drive TypesThe following table lists the types of hard disk drives you canuse in your computer. Check this table and the documentationsuppli

Hard disk drive types (continued)Running the Setup Program 2-25

12. Except as specifically explained in the User’s Guide, do notattempt to service this product yourself. Refer all servicing toqualified service pers

Hard disk drive types (continued)l Supported in translate mode.l * With Western Digital ESDI controller.2-26 Running the Setup Program

Setting the Diskette Drive Type(s)Your system probably came with one factory-installed diskettedrive. If you added a second diskette drive or removed

4.the correct capacity for your disketteThe screen displays the type youselected.If you want to enter the type for another diskette drive,return to st

Follow these steps to change your built-in serial and parallelinterface settings:1.2.3.4.At the main menu, highlight Serial/Parallel. Thecurrent setti

If you want to change the setting for the other port, returnto step 3.5.When the serial and parallel port settings are correct,highlight ** * SAVE SET

There are two more Setup summary screens you need to check.To display the next screen, press m. You see the following:Real-time clockDiskette driveSpe

To view the last Setup summary screen, press m. You seeyour hard disk drive configuration(s):Hard disk driveDrive 1:Type 34Number of cylindersNumber o

If you want to save the settings you entered, highlight** EXIT AND SAVE ** and press m at a Setup summaryscreen. The Setup program stores the new sett

Chapter 3Using Your ComputerThis chapter briefly describes the following procedures forusing your computer:QInstalling MS-DOS or another operating sys

Copying the Reference and Utility FilesIf you have a hard disk, you’ll probably want to copy some ofthe files on your Reference and Utility diskettes

Importantes Mesures de S&wit6V

Locking the Computer’s CoverYou can lock the cover onto the computer to preventunauthorized users from accessing its internal components.To lock the c

IPurposeWorks with other keys to perform special (control)functions, such as editing operations in MS-DOSand various application programs.Works with o

Stopping a Command or ProgramYou may sometimes need to stop a command or program whileit is running. If you have entered an MS-DOS command thatyou wan

To reset the computer, the operating system must be either onthe hard disk or on a diskette in drive A; so if you do not have ahard disk, insert the s

After you type the password correctly and press ml, ahappy face character appears. Then the computer loads theoperating system and displays the comman

Do not use characters requiring the m key, such as $, @,or *, in your new password.3.Press IEnter A happy face character appears and then thecomputer

Preparing the Hard Disk for MovingIf you need to move your computer to a new location, you maywant to run the HDSIT program (on your Reference diskett

Chapter 4Enhancing System OperationsThis chapter tells you how to use the following procedures toenhance the operation of your computer:LlUsing AUTOEX

One batch file that you may find particularly useful is calledAUTOEXEC.BAT. Every time you turn on your computer,MS-DOS looks for the AUTOEXEC.BAT fil

Some copy-protected programs require the computer to run atlow speed while accessing the program on a diskette. Theseprograms also usually require you

vi

If you frequently use programs that require low or automaticspeed, use Setup to change the processor speed. See Chapter 2for instructions.If you use t

The speed setting remains in effect until you press the RESETbutton or turn off the computer, or until you change it againusing the Setup program, ano

(This command sets the processor speed to change to low speedautomatically when the computer accesses a diskette.)If you include the switch when you t

Reassigning the Diskette DrivesIf your system has two diskette drives, they are connectedinside your computer so that the top drive is A and the botto

Using the AFDD ProgramAFDD reverses the current diskette drive assignments andresets the system. When you are done using the reversed driveassignments

If you are running the AFDD program from a hard disk, youcan reassign the drives and reset the cornType the following command and pressAFDD /SThe /S s

If you set a power-on password but do not turn on networkserver mode, you enter the password before the computer loadsthe operating system or the netw

Using a Password in Network Server ModeWhen you turn on or reset the computer, it loads youroperating system or network software and you see either th

Using Expanded Memory Beyond 640KBYour computer comes with 4MB of random access memory.MS-DOS and your application programs that run underMS-DOS use t

Using Special VGA FeaturesYour built-in VGA display adapter supports standard VGAmonitors and multi-frequency monitors with analogconnectors. The VGA

ContentsIntroductionOptional Equipment...2Operating Systems and Other Software...2VGA Utilities...

The Utility diskettes that came with your computer containdevice drivers for various application programs, as well asspecial utilities that allow you

Chapter 5Accessing Internal ComponentsTo access your computer’s internal components, you need toremove the cover. In some cases, you may also need to

0Every time you remove the cover, be sure to groundyourself by touching the inside of the computer’s backpanel before you touch any components inside.

Follow these steps to remove the cover:1.2.3.4.Turn off the computer and any peripheral devices connectedto it. Then disconnect the computer’s power c

5.Grasp the sides of the cover (toward the front of thecomputer) and pull it firmly toward you, as shown below.Then lift it up and off the computer.Re

2.Release the six tabs securing the front panel to the computercase, as shown below. You may want to use a flat-bladescrewdriver to release the tabs.3

Removing the SubassemblyYou need to remove the subassembly only if you are installingor removing the hard disk drive that is mounted next to thepower

3.Open the clasp holding the power supply and drive cables tothe side of the subassembly, as shown below. Then removeall the cables from the clasp.4.G

Replacing the SubassemblyFollow these steps to replace the subassembly:1.Turn the computer so you are facing the front panel.2.Hold the subassembly at

4.Lower the back end of the subassembly into the computer.If necessary, fit the post beneath the back right edge of thesubassembly into the hole on th