Epson 100 manual


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Table of contents for the manual

  • Page 1


  • Page 2

    Attention Apex™ Owners The MGA card in your computer includes a game port, such as the one shown b[...]

  • Page 3

    IMPORTANT SAFETY INSTRUCTIONS 1. 2. 3. 4. 5. 6. 7. 8. 9. Read all of these instructions and save the[...]

  • Page 4

    11. Never push objects of any kind into this product through cabinet slots, as they may touch danger[...]

  • Page 5


  • Page 6

    IMPORTANT NOTICE DISCLAIMER OF WARRANTY Epson America makes no representations or warranties, either[...]

  • Page 7

    FCC COMPLIANCE STATEMENT FOR AMERICAN USERS This equipment generates and uses radio frequency energy[...]

  • Page 8

    Contents Introduction.. .................................... . 1 How to Use This Manual ............[...]

  • Page 9

    Using Disks and Disk Drives. ......................... . 2-6 How Disks Store Data ..................[...]

  • Page 10

    Formatting Diskettes ................................ . 3-25 Formatting Diskettes on the Apex 100 ..[...]

  • Page 11

    Software Problems .................................. . 5-11 Printer Problems .......................[...]

  • Page 12

    Appendix C Power-on Diagnostics System Device Check ............................... . C-1 Timer and [...]

  • Page 13

    Floppy Disk Drives and Controller Check ............... . D-22 Formatting a Diskette ...............[...]

  • Page 14

    Appendix F Preparing a Hard Disk for Use Creating the MS-DOS Partition ...................... . F-2 [...]

  • Page 15

    Introduction Your Apex” personal computer is powerful, versatile, and easy to use. After setting u[...]

  • Page 16

    As your needs grow, so can your computer; you can expand your system by adding a wide variety of opt[...]

  • Page 17

    Appendix C provides information on the power-on diagnostics. Appendix D outlines the system diagnost[...]

  • Page 18

    Chapter 1 Setting Up Your System Setting up your Apex personal computer is easy. Just follow the nin[...]

  • Page 19

    Besides this manual, you should have the following: The computer and power cord The keyboard with at[...]

  • Page 20

    Save the protector card and reinsert it whenever you move the computer. If you don’t plan to use y[...]

  • Page 21

    Moderate environmental conditions. Protect your computer from extremes in temperature, direct sunlig[...]

  • Page 22

    The procedure you use to connect your monitor to the computer depends on the type of monitor you hav[...]

  • Page 23

    5. Note If the monitor has the proper type of plug, you can plug at into the auxiliary power outlet [...]

  • Page 24

    4 Connecting a Peripheral Device The computer has a parallel interface and a serial interface on the[...]

  • Page 25

    3. Connect the other end of the cable to the printer as shown below. If the printer has retaining cl[...]

  • Page 26

    Using the Serial Interface If you have a printer, modem, mouse, or any other peripheral with a seria[...]

  • Page 27

    The Setup program on your Reference diskette lets you define the baud rate, parity, data length, and[...]

  • Page 28

    6 Connecting the Keyboard Follow these steps to connect the keyboard: 1. Facing the front of the com[...]

  • Page 29

    2. Plug the keyboard cable into the socket, as shown below. Do not force the connector, but be sure [...]

  • Page 30

    Adjusting the Keyboard Angle You can change the angle of the keyboard by adjusting the legs on the b[...]

  • Page 31

    7 Turning On the Computer Before you turn on your computer, read the following safety rules to avoid[...]

  • Page 32

    2. To turn on the computer, press the power switch. The power indicator on the front panel lights up[...]

  • Page 33

    If you have the Apex 100 (no hard disk), the computer does not load MS-DOS, but instead displays the[...]

  • Page 34

    2. When the diskette is in all the way, turn the latch down (clockwise) to lock the diskette in plac[...]

  • Page 35

    You need to set the date and time this way only once; the computer’s real-time clock keeps track o[...]

  • Page 36

    If you load MS-DOS from the hard disk, the command prompt looks like this: C:> The hard disk pro[...]

  • Page 37

    2. If the date is correct, press Enter to leave it unchanged. To change the date, type the appropria[...]

  • Page 38

    9 Copying System Diskettes Now that you have set up your system and loaded MS-DOS, it is important t[...]

  • Page 39

    3. Insert a blank 5 1/4-inch 360KB diskette in drive B (the bottom drive) and turn the latch down to[...]

  • Page 40

    8. Repeat the procedure for the Startup diskette and the Reference diskette. 9. When you finish copy[...]

  • Page 41

    Then press any key. The DISKCOPY program copies the contents of the Startup diskette to the computer[...]

  • Page 42

    Chapter 2 Using Your Computer This chapter covers the following basic procedures for using your comp[...]

  • Page 43

    WARNING You can change the speed while the computer is on, but do not change it while you are runnin[...]

  • Page 44

    Key Purpose Backspace Enter Caps Lock Esc Num Lock Scroll Lock Break PrtSc Home, End PgUp. PgDn Ins [...]

  • Page 45

    Stopping a Command or Program You may sometimes need to stop a command or program while it is runnin[...]

  • Page 46

    WARNING Do not reset the computer to extra Do not the program unless you have to Same application pr[...]

  • Page 47

    Using Disks and Disk Drives The disk drives in your computer allow you to store data on disk, and th[...]

  • Page 48

    stored. Double-density diskettes have either 40 or 80 tracks, and high-density diskettes have 80 tra[...]

  • Page 49

    Your computer uses the read/write heads in a disk drive to store and retrieve data on a disk. There [...]

  • Page 50

    If you have an optional 720KB drive, use 3 l/2-inch, double- sided, double-density, 135 TPI, 720KB d[...]

  • Page 51

    Keep diskettes away from magnetic fields. (Remember that diskettes store information magnetically.) [...]

  • Page 52

    If you have the Apex 10020, follow these additional precautions to protect your hard disk drive and[...]

  • Page 53

    If a diskette is in the drive but the latch is up (horizontal) and you enter a command for that driv[...]

  • Page 54

    To remove a 3 1/2-inch diskette, press the release button to release it. When the edge pops out of t[...]

  • Page 55

    Note Some program diskettes, such as you r MS-DOS diskettes, have no notch so they are permanently w[...]

  • Page 56

    Chapter 1 describes how to use DISKCOPY to copy your MS-DOS and Reference diskettes. To make backups[...]

  • Page 57

    On the Apex 10020, you can load the operating system and application programs from the hard disk, c[...]

  • Page 58

    MS-DOS lets you keep related files together in directories and subdirectories so they are easier to [...]

  • Page 59

    Preparing the hard disk for moving If you need to move your Apex 10020 to a new location- whether i[...]

  • Page 60

    Chapter 3 Using MS-DOS With Your Computer Your computer comes with version 3.3 of MS-DOS. This opera[...]

  • Page 61

    Starting and Exiting MS-DOS Before you can run an MS-DOS application program, MS-DOS must be running[...]

  • Page 62

    Using Drive Designators MS-DOS uses letters to identify the disk drives in your system. If you have [...]

  • Page 63

    Changing the default drive To change the default drive, type the letter of the drive you want to cha[...]

  • Page 64


  • Page 65

    To run an external command, MS-DOS must be able to locate the file containing the command’s instru[...]

  • Page 66

    The MS-DOS command format consists of the command name, parameters, and delimiters. The command name[...]

  • Page 67

    You can enter an MS-DOS command whenever you see the MS-DOS command prompt. Type the command name an[...]

  • Page 68

    Naming Files Each file must have a unique filename so you can retrieve it when you need to. The file[...]

  • Page 69

    Copying Files You can use the COPY command to copy individual files or groups of files. COPY is an i[...]

  • Page 70

    To copy the file named REPORT to the same diskette and name the copy FACTS, type the following and p[...]

  • Page 71

    To copy REPORT, FACTS, and MEMO from drive A to a file named DATA on drive B, type the following and[...]

  • Page 72

    You can shorten the RENAME command to REN. To change the name of a file from HAMMERS to WRENCHES, th[...]

  • Page 73

    You can use wildcards to delete groups of files. For example, to delete all files on the diskette in[...]

  • Page 74

    3. Type the name of the device, such as LPT1, and press Enter. MS-DOS prints the file on your printe[...]

  • Page 75

    As the number of files in your WORDPROC and SPDSHEET directories grows, you can create additional di[...]

  • Page 76

    The following sections discuss the basics of creating and using directories. Note: The XTREE utility[...]

  • Page 77

    To change from PERSONAL back to WORDPROC, you can use the special symbol . . (two periods) or you ca[...]

  • Page 78

    Relative pathnames can tell MS-DOS to move upward in the directory tree as well as downward. The sym[...]

  • Page 79

    For example, suppose you are logged onto the root directory of drive A, and you want to delete the f[...]

  • Page 80

    Note MS-DOS provides several commands that make using pathnames easy: APPEND lets you set a search p[...]

  • Page 81

    In this case, you do not need to specify the path to the LEDGER directory because it is the default [...]

  • Page 82

    This switch causes MS-DOS to pause after displaying each screenful of information. To see the next s[...]

  • Page 83

    The screen displays a report for every directory on the drive, for example: Path: C:LEDGER Sub-dire[...]

  • Page 84

    To delete an empty directory from a disk, use the RMDIR command, or its shorthand equivalent, RD. Fo[...]

  • Page 85

    Note Besides the method described below, you can also format diskettes using the Epson MENU utility.[...]

  • Page 86

    The formatted diskette is now ready to store data. See the MS-DOS Reference Manual for information a[...]

  • Page 87

    Formatting Diskettes With One Diskette Drive (No Hard Disk) If your computer has only one diskette d[...]

  • Page 88

    Backing Up Data It is very important to keep backup diskettes containing copies of the files you cre[...]

  • Page 89

    If the diskette you are copying to has not been formatted, DISKCOPY formats it automatically before [...]

  • Page 90

    Using DISKCOPY with the Apex 10020 1. Make sure the diskette you want to copy is write-protected. ([...]

  • Page 91

    Using DISKCOPY with one drive only If your computer has only one diskette drive and no hard disk, fo[...]

  • Page 92

    Using the BACKUP Command Use the BACKUP command to back up the data on your hard disk. It provides a[...]

  • Page 93

    Special Epson Utilities Epson has included several time-saving utilities to make MS-DOS easier for y[...]

  • Page 94

    To use the HELP menu, follow these steps: 1. 2. 3. 4. Type HELP at the MS-DOS command prompt and pre[...]

  • Page 95

    You can also request help information for more than one command. Follow these steps: 1. At the comma[...]

  • Page 96

    2. Type MENU at the command prompt and press Enter. You see this main menu: EXIT File Utilities Disk[...]

  • Page 97

    MENU program options Following is a description of each option. For step-by-step instructions on usi[...]

  • Page 98

    Using XTREE Epson has included the XTREE program with MS-DOS to make it easier for you to manage fil[...]

  • Page 99

    This menu provides the following information: Path: Shows the pathname for the current directory. A [...]

  • Page 100

    DISK Statistics Summarizes information about the files on the disk. Files window Lists the names of [...]

  • Page 101

    Function keys control XTREE itself. Press F1 to quit XTREE, F2 to display a screen of help informati[...]

  • Page 102

    Using an AUTOEXEC.BAT File You may find that there are some commands you want to run every time you [...]

  • Page 103

    Creating an AUTOEXEC.BAT File You can create an AUTOEXEC.BAT file using any command or program that [...]

  • Page 104

    3. Now enter the commands you want to include in the file. Type them exactly as you want MS-DOS to e[...]

  • Page 105

    Chapter 4 Installing Option Cards Option cards are accessories you can add to your computer to provi[...]

  • Page 106

    Removing the Cover Before you install an option card in your computer, you need to remove the cover.[...]

  • Page 107

    3. The top cover is secured by two screws on each side of the computer. The two screws on the left s[...]

  • Page 108

    Inserting an Option Card Most option cards can be placed into any of the option slots. Some cards, h[...]

  • Page 109

    2. Put the option slot cover in a safe place in case you later remove the option card. Keep the scre[...]

  • Page 110

    4. Grip the card firmly by the top comers. Hold it so the connector pins are pointing down and the c[...]

  • Page 111

    Removing an Access Slot Cover Some option cards, such as the video card, have an outlet for connecti[...]

  • Page 112

    Removing an Option Card If you later need to remove an option card, simply reverse the steps you fol[...]

  • Page 113

    3. Secure the cover by replacing the screws on both sides of the computer. Snap the plastic inserts [...]

  • Page 114

    When you finish installing an option card and reconfiguring the system, you should test the option i[...]

  • Page 115

    Installing the Optional Controller First remove the cover of the computer as described earlier in th[...]

  • Page 116

    Changing the Jumper Setting To disable the built-in diskette drive controller, you need to change th[...]

  • Page 117

    Chapter 5 Troubleshooting You should not encounter any difficulties as you set up and use your compu[...]

  • Page 118

    2. 3. Replace the system (Startup) diskette, if necessary, and turn the computer on again. If the co[...]

  • Page 119

    4. If your computer still does not respond, you can reset it with the RESET button. Follow the instr[...]

  • Page 120

    2. If the power switch is on but the power light is not, turn off the monitor’s power, wait five s[...]

  • Page 121

    Note If your application program requires a monitor that supports graphics but you have a monochrome[...]

  • Page 122

    If you have the optional 720KB drive, use 3 1/2-inch double-sided, double-density diskettes. You can[...]

  • Page 123

    Note RECOVER renames all files on the diskette, so use it only after you have copied as many files a[...]

  • Page 124

    The CHKDSK program can recover data that has been inadvertently lost on the diskette. It makes chang[...]

  • Page 125

    Hard Disk Problems If you are having problems with the hard disk in your Apex 10020, try the follow[...]

  • Page 126

    3. If you can boot from a diskette but cannot access data stored on your hard disk, you may have acc[...]

  • Page 127

    Follow the instructions in Appendix E to perform a low-level (Conditional) format. Follow the instru[...]

  • Page 128

    To interrupt an MS-DOS command while it is executing, try one of the following commands: Hold down t[...]

  • Page 129

    4. If your printer is properly set up but is still not functioning, test it from the MS-DOS level. W[...]

  • Page 130

    3. If you changed the configuration of your computer-for example, if you added a disk drive, serial [...]

  • Page 131

    Appendix A Changing DIP Switches and Using Setup This Appendix describes how to change the DIP switc[...]

  • Page 132

    Note Set the DIP switches only while your computer is off. Because software programs check the setti[...]

  • Page 133

    Switch 1 (keyboard type)—tells your computer what kind of keyboard you are using. If you are using[...]

  • Page 134

    DIP Switch Set 2 (Parallel and Serial Port Operations) The following cable lists the parallel and se[...]

  • Page 135

    If you install two option cards with parallel ports, designate one as the primary port and the other[...]

  • Page 136

    Running the Setup Program You can use the Setup program on your Reference diskette to set (or change[...]

  • Page 137

    2. Turn on or reset the computer. You see the following Operation menu: OPERATIONMENU 1 - Setup 2 - [...]

  • Page 138

    If you do not want to change anything in the Setup menu or if you have finished making changes, pres[...]

  • Page 139

    If you enter an invalid time-for example, a number greater than 23 for the hours or greater than 59 [...]

  • Page 140

    Note Another way to change the real-time clock's time and date is with the MS-DOS (version 3.3 [...]

  • Page 141

    To verify or change the primary serial port parameters, highlight Primary serial port and press Ente[...]

  • Page 142

    Use the arrow keys to highlight the desired communication speed and then press Enter. Parity To set [...]

  • Page 143

    Leaving the Setup Program When you finish setting the options in the Setup menu, highlight the Exit [...]

  • Page 144

    2. If you have the Apex 100, insert the Startup diskette in drive A. If you have the Apex 10020, le[...]

  • Page 145

    Appendix B Specifications Main Unit 16-bit CPU Main memory Coprocessor Read Only Memory (ROM) Direct[...]

  • Page 146

    Speaker interface Internal, controlled by timer/ counter Option slots Five, B-bit IBM-compatible inp[...]

  • Page 147

    Power Supply Switching type, fan-cooled Output voltage:-5 VDC, +5 VDC, -12 VDC, +12 VDC Auxiliary AC[...]

  • Page 148

    Video and Display Options Standard Multi-graphics adapter card; color or monochrome, switch-selectab[...]

  • Page 149

    ActionPrinters ™ by Epson T-1000 T-750 L-1000 L-750 9-pin, 80-column, dot-matrix printer; 180 cps [...]

  • Page 150

    ActionPrinter accessories Computer accessories L-1000/L-750 Replacement ribbon (7753) T-1000/T-750 R[...]

  • Page 151

    Parallel Port Pin Assignments Pin no. Signal name Direction Description 1 -STROBE 2 DATA0 3 DATA 1 4[...]

  • Page 152

    Serial Port Pin Assignments Pin no. Signal name 1 NC 2 TX 3 RX 4 RTS 5 CTS 6 DSR 7 GND 8 DCD 9-19 NC[...]

  • Page 153

    Keyboard Connector Pin Assignments Pin no. Signal name Direction Description 1 KBD CLK I/O Keyboard [...]

  • Page 154

    Appendix C Power-on Diagnostics The built-in memory (ROM) of your computer contains a series of diag[...]

  • Page 155

    If the computer finds a fault in the main board, it stops and displays an error message such as this[...]

  • Page 156

    RAM Check The computer now begins to check the RAM installed on the main system board and any option[...]

  • Page 157

    Floppy Disk Drive Seek Check Finally, the computer checks its diskette drive(s) by searching the rea[...]

  • Page 158

    Appendix D Performing System Diagnostics This appendix describes how to check the operation of the m[...]

  • Page 159

    To start the system diagnostics program, follow these steps: 1. Insert the Reference diskette in dri[...]

  • Page 160

    If the list correctly describes your system, press Y and then Enter. If a device is missing from thi[...]

  • Page 161

    To add a device to the list, press 1 and then Enter. The program displays a list of other devices th[...]

  • Page 162

    When you have finished adding or deleting devices and are back to the Modify DEVICE LIST menu, press[...]

  • Page 163

    To perform the test multiple times, press 2 and Enter. You see this prompt: Terminate checking if an[...]

  • Page 164

    After printing the error message, the program displays this prompt: Printout is finished. Press ENTE[...]

  • Page 165

    The checks made on the 8088 CPU chip are extremely comprehensive. They ensure that the CPU instructi[...]

  • Page 166

    Keyboard Check Use this option to check the operation of the keyboard. The program first checks the [...]

  • Page 167

    The status of the Num Lock, Caps Lock, and Scroll Lock indicators is shown on the upper right side o[...]

  • Page 168

    You can select the individual checks from this menu: MONOCHROME ADAPTER AND CRT CHECK MENU 1 - Monoc[...]

  • Page 169

    Attribute Check To check the display attributes of the adapter card, press 2 and then Enter. A serie[...]

  • Page 170

    After checking the characters, respond to the prompt: Is the display correct (Y/N) ? If the characte[...]

  • Page 171

    Color Graphics Adapter and CRT Check Use this option to check the operation of a color graphics disp[...]

  • Page 172

    Color Graphics Adapter Check To check the color graphics adapter, press 1 and then Enter. The comput[...]

  • Page 173

    Character Set Check To check your 80-column character set, press 3 and Enter. The characters that ar[...]

  • Page 174

    40-column Character Set Check To check your 40-column character set, press 4 and then Enter. The cha[...]

  • Page 175

    The same pattern is displayed again; this time the squares are cyan, white, and magenta, and the bac[...]

  • Page 176

    If any pattern is not displayed clearly, check the adjustment of your monitor and make sure it is co[...]

  • Page 177

    If all eight pages are correct, press Y and Enter. If any page is filled with an incorrect number, p[...]

  • Page 178

    Color Video Check Option 9, Color video check, displays 16 different screens, each a different color[...]

  • Page 179

    Floppy Disk Drives and Controller Check Use this option to test the performance of the diskette (flo[...]

  • Page 180

    4. Insert the diskette to be formatted in the drive you selected and press Enter. The screen display[...]

  • Page 181

    Before it performs any checks, the program determines the number of diskette drives installed in you[...]

  • Page 182

    Write, Read Check This test checks the ability of the selected disk drive to read and write data fro[...]

  • Page 183

    The computer spins the diskette for a few seconds then displays a message like this: The disk rotati[...]

  • Page 184

    Before running any tests, the computer checks DIP switch 1-Z on the front panel to ensure that a cop[...]

  • Page 185

    The computer checks the port by writing and reading data and control information, and reports errors[...]

  • Page 186

    Insert the loop-back connector. Then press Y and Enter to start the check. First, the computer check[...]

  • Page 187

    Alternate Serial Port Check Use this option to test the functions of an additional serial communicat[...]

  • Page 188

    When you continue the test, the computer checks that the printer is responding correctly. This test [...]

  • Page 189

    When you select option 17 from the DEVICE LIST, you see this menu: HARD DISK DRIVE(S) AND CONTROLLER[...]

  • Page 190

    Write, Read Check This check tests the ability of the hard disk drive to read and write data. The te[...]

  • Page 191

    Error Detection and Correction Check This test checks the ability of the hard disk drive to detect a[...]

  • Page 192

    At the end of the test, you see a table of the results of the test. For example, for a 20MB hard dis[...]

  • Page 193

    Error Codes and Messages This table lists all the error codes and messages that may appear during di[...]

  • Page 194

    Error code Message Floppy disk drives and controller 601 FLOPPY DISK CONTROLLER ERROR 602 SEOUENTIAL[...]

  • Page 195

    Error code Message Hard disk drives and controller 1701 SEEK ERROR 1702 WRITE ERROR 1703 READ ERROR [...]

  • Page 196

    Appendix E Physically Formatting a Hard Disk This appendix describes how to physically format a hard[...]

  • Page 197

    new disk or reformatting a used disk, after physically formatting it, you need to run FDISK and SELE[...]

  • Page 198

    Destructive surface analysis tests a formatted hard disk for bad tracks and updates the bad track ta[...]

  • Page 199

    Formatting a New Disk Many hard disk drives are supplied with a list of bad tracks but without the b[...]

  • Page 200

    Note If you have more than one hard disk drive, you see this prompt: Enter drive letter (C/D) ? Pres[...]

  • Page 201

    The program then displays a warning about the consequences of proceeding with formatting: WARNING! A[...]

  • Page 202

    Flagged tracks are identified by xxxx and yy. At this point, press Enter to return to the HARD DISK [...]

  • Page 203

    If you are formatting a disk that has never been formatted, check the list of bad tracks that came w[...]

  • Page 204

    Some of the messages change if the table is full or empty. However, the way that you add a bad track[...]

  • Page 205

    Destructive Surface Analysis Use this option to accurately locate any bad tracks on a hard disk, and[...]

  • Page 206

    If the program finds one bad track that is not flagged, the summary would show one track with a writ[...]

  • Page 207

    When ‘the analysis is complete, the program displays a summary of the status of the disk. This sum[...]

  • Page 208

    Appendix F Preparing a Hard Disk for Use If you have the Apex 10020, your hard disk has already bee[...]

  • Page 209

    The hard disk you are using has been producing numerous read/write errors. See Appendix E for instru[...]

  • Page 210

    3. 4. 5. 6. 7. 8. 9. Type A : and press Enter to log onto drive A. At the A> prompt, type FD I SK[...]

  • Page 211

    Formatting the MS-DOS Partition Once you have created the MS-DOS partition, you must format it for M[...]

  • Page 212

    The screen displays this message and prompt: SELECT is used to install DOS the first time. SELECT er[...]

  • Page 213

    SELECT copies the rest of the files from the Startup diskette to the hard disk. When all the files a[...]

  • Page 214

    Note The procedure described above copies all the files on the MS-DOS and Reference diskettes to the[...]

  • Page 215

    2. Type the following and press Enter: COPY CON AUTOEXEC.BAT 3. Type the following, pressing Enter a[...]

  • Page 216


  • Page 217

    Glossary Absolute pathname A pathname that begins with the backslash character. An absolute pathname[...]

  • Page 218

    Batch file A type of file that lets you execute a series of MS-DOS commands by typing one command. B[...]

  • Page 219

    CMOS Complementary Metal-Oxide Semiconductor. A method of making low power silicon chips. Command An[...]

  • Page 220

    Current directory The directory you are logged onto and working in. Also known as the default direct[...]

  • Page 221

    Default drive The disk drive from which MS-DOS executes your next command, unless you tell it to do [...]

  • Page 222

    Disk driv e The physical device that allows the computer to read from and write to a disk. A diskett[...]

  • Page 223

    Executable file A file containing program instructions, as opposed to data created with an applicati[...]

  • Page 224

    Floppy disk See Diskette. Format To prepare a new disk (or an old one you want to reuse) so that it [...]

  • Page 225

    Internal command An MS-DOS command that is stored in the command processor of the operating system; [...]

  • Page 226

    Memor y The area where your computer stores data. Memory contents can be permanent and inalterable ([...]

  • Page 227

    MS-DOS Microsoft Disk Operating System. The operating system that comes with your computer. See Oper[...]

  • Page 228

    Parit y Data signals sent during communications to detect errors in transmitting or receiving data. [...]

  • Page 229

    Prompt A message displayed on the screen that tells you what action you need to perform next. RAM Ra[...]

  • Page 230

    RGB Red Green Blue. A type of color monitor. ROM Read Only Memory. A portion of memory that can only[...]

  • Page 231

    Source diskette The diskette that you are reading or copying data from during a copy or backup opera[...]

  • Page 232

    Tracks Addressable, concentric circles on a disk, resembling the grooves on a record, which help to [...]

  • Page 233

    Index A Absolute pathname, 3-18 Access slot cover, removing, 4-7 Alternate serial port check, D-30 A[...]

  • Page 234

    DIP switches, A-1–5 coprocessor, A-3 keyboard, A-3 monitor and adapter, A-3 number of diskette dri[...]

  • Page 235

    F FDISK, F-1–3 Files, backing up, 3-29–33 batch, 3-9 COMMAND.COM, 5-9, F-7 copying, 3-10–12 de[...]

  • Page 236

    MGA card, Intro-1, 1-2, 1-4–6, 4-4, 4-8, 5-4 MKDIR (MD), 3-21 MODE, 1-10 Modem, connecting, 1-9–[...]

  • Page 237

    Power, connecting, 1-10 cord, 1-10 source, 1-4 supply, B-3 Power-on diagnostics, C-1–4 Primary par[...]

  • Page 238

    U Unconditional format, E-2, E-7–9 Unpacking the computer, 1-1–2 V Video cards, Color Graphics A[...]