Tandy 1200 HD User Manual Download

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Summary of Contents for 1200 HD

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Page 2: ...BY RADIO SHACK INCLUDING BUT NOT LIMITED TO ANY INTERRUPTION OF SERVICE LOSS OF BUSINESS OR ANTICIPATORY PROFITS OR CONSEOUENTIAL DAMAGES RESULTING FROM THE USE OR OPERATION OF THE EOUIPMENT OR SOFTWA...

Page 3: ...USER S GUIDE TANDY 1200 HD COMPUTER...

Page 4: ...ion contained herein current and accurate as of the date of publication no guarantee is given or implied as to its accuracy TANDY 1200 USER S GUIDE Copyright 0 1983 1984 TANDON Corporation and 1984 TA...

Page 5: ...user is encouraged to try to correct the interference by one or more of the following measures 1 Reorient the receiving antenna 2 Relocate the computer with respect to the receiver 3 Move the computer...

Page 6: ...following booklet prepared by the F C C helpful How to Identify and Resolve Radio TV Interference Problems This booklet is available from the U S Government Printing Office Washington D C 20402 Stock...

Page 7: ...e keyboard Compatibility with software programs or hardware cards available for the IBM personal computer XT Microsoft Disk Operating System MS DOS option Other optional operating systems available GW...

Page 8: ...ror messages that may be encountered during system start up 2 The Disk Operating System manual 25 3130 is your guide to the Microsoft Disk Operating System MS DOS In it you will find an in depth discu...

Page 9: ...ery important task of making backup copies of the DOS diskette CHAPTER 2 TELLING DOS WHAT TO DO This chapter provides a tutorial that will help you learn how to use DOS commands to manage your program...

Page 10: ...the DOS and associated utility programs APPENDIX D STORAGE MEDIA This appendix provides a brief explanation of diskettes and fixed disk drives APPENDIX E GLOBAL CHARACTERS This appendix gives a brief...

Page 11: ...cussed in this book are used only as illus trations Their mention does not constitute a recommendation or endorsement of those products The purchase connection and use of any such device is the sole r...

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Page 13: ...2 2 An Introduction To DOS 2 3 2 3 The Keyboard 2 6 2 4 2 5 2 6 Loading DOS 2 32 2 7 Time and Date 2 35 2 8 The DOS Commands 2 38 Special DOS Tasks 2 15 How To Name Files 2 25 Chapter 3 TURNING IT OF...

Page 14: ...NTENTS continued Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F THE DOS KEYBOARD A 1 THE DOS COMMANDS B 1 ERROR MESSAGES C 1 STORAGE MEDIA D 1 GLOBAL CHARACTERS E 1 PRODUCT SPECIFIC...

Page 15: ...kette 1 13 How To Insert A Diskette 1 14 How To Remove A Diskette 1 16 1 5 TURNING ON AND TESTING YOUR COMPUTER 1 17 Loading DOS 1 17 1 6 MAKING BACKUP COPIES OF THE DOS DISKETTE 1 22 Copying DOS Onto...

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Page 17: ...mething more specialized you will find it to be a useful and powerful tool The built in fixed disk drive provides convenience speed of opera tion and data storage capabilities that would not be possib...

Page 18: ...TCH COOLING VENT PRINTER PORT I I SYSTEM VOLTAGE POWER SELECT CONNECTOR SWITCH I KEYBOARD DISPLAY CONTROLLER CONNECTOR OPTIONAL 1 2 3 SPEAKER LOCATEDON BOTTOM OF CHASSIS DISKETTEDRIVE CONTROLLER BUILT...

Page 19: ...be handled with care The system unit especially should always be kept in an upright position and never be bumped or jarred 1 Place the system unit box on a flat solid work surface and open the box 2...

Page 20: ...he plastic wrapping from the system unit 4 Remove the manuals and the power cord from the shipping box 5 Place the keyboard box on the work surface and open the box 6 Remove the top piece of protectiv...

Page 21: ...ay it on the work surface Remove the plastic wrapping from the 8 Check the system unit and the keyboard for any visible signs of damage 9 Store the shipping containers protective foam etc and use them...

Page 22: ...to the display adapter If you have any options to install in your computer install them at this time see Chapter 4 A parallel printer can be connected directly to your computer A serial printer should...

Page 23: ...3 Lift the door lever and remove the cardboard shipping insert from the diskette drive Keep this insert and use it whenever you relocate the system unit 1 7...

Page 24: ...and connect all cords and cables other than the power cables NOTE THE OUTPUT PORTS FOR YOUR MONITOR AND ANY ADDED OPTIONS MAY NOT BE IN THE SLOT LOCATIONS INDICATED BELOW PARALLEL PRINTER CONNECTOR SY...

Page 25: ...and cables are connected you can arrange your system components to suit your needs Position the system unit in such a way that the ventilation ports at the front and rear are not blocked COMMON EQUIP...

Page 26: ...djustable tilt legs You may prefer either a level keyboard or a slightly tilted one Adjust the tilt legs for the position you find most comfortable 8 Set the power switches of all system components sy...

Page 27: ...e system unit and then connect the other end to a power outlet Connect the power cords of all other system components monitor printer etc NOTE ALL OF YOUR SYSTEM COMPONENTS COMPUTER PRINTER MONITOR ET...

Page 28: ...types of disk drives One uses rigid aluminum disks that are permanently built into the drive this drive is called a fixed disk drive The other drive uses flexible disks commonly re ferred to as diske...

Page 29: ...of the diskette Never use anything but a felt tipped pen to label a diskette Never store a diskette in the vicinity of an item that creates a magnetic field e g electronic calculator telephone dictat...

Page 30: ...OUNTERED HANDLE WITH CARE BENDING AND FOLDING MAY DAMAGE DISKETTE RETURN THE DISKETTES DISKETTE TO ITS SHOULD BE ENVELOPE WHEN STORED AT NOT IN USE 10 C to 52 C 50 F TO 125 F HOW TO INSERT A DISKETTE...

Page 31: ...LATCH 5 Insert the diskette into the drive until you feel it contact the back stop Never force the diskette Do not close the door of the diskette drive until after you have turned on the system unit p...

Page 32: ...stem unit is turned off 1 To remove a diskette from the drive simply lift the door latch of the diskette drive and remove the diskette Remember the diskette must not be removed if the activity indicat...

Page 33: ...n audible error signal Because of this feature you can always be confident that you are working with a properly functioning system NOTE FOR AN EXPLANATION OF ERROR MESSAGES REFER TO APPENDIX C The pro...

Page 34: ...ed in the top left comer of your monitor screen xxxK Byte RAM Tested I NOTE THE DIGITS IN THE TEST STATUS MESSAGE ARE CONSTANTLY CHANGING 6 As soon as you obtain the test status message close the door...

Page 35: ...ht for a few moments and then you will see the following display on your monitor screen c MS DOS 2 XX Rev 2 0 A Copyright 1981 82 83 Microsoft Gorp Command v 2 XX Current date is Tue 01 01 1980 Enter...

Page 36: ...creen DOS 2 XX Rev 2 0 A pyright 1981 82 83 Microsoft Corp mmand v 2 XX rrent date is Tue 01 01 1980 ter new date F 10 At the moment there is no need for you to enter the date and time into your compu...

Page 37: ...GURES SHOWN ARE ONLY EXAMPLES 11 Once again Press Return The following prompt will appear on your monitor screen NOTE THE A SYMBOL IS CALLED THE DOS PROMPT IT INDICATES THAT THE COMPUTER IS READY TO R...

Page 38: ...dure for copying the DOS programs onto the fixed disk drive If you already have some experience with computers you may want to use the PREPARE command to format the fixed disk drive and copy the DOS f...

Page 39: ...efore you begin make sure your DOS diskette is installed in the diskette drive Don t remove it until you are instructed to NOTE ALTHOUGH YOU MAY NOT UNDERSTAND THE PORTANT TO TYPE THEM EXACTLY AS THEY...

Page 40: ...ollowing prompt will appear on your monitor screen 3 The standard computer has only one fixed disk drive it is designated drive C Therefore Type The following prompt will appear on your monitor screen...

Page 41: ...ion After the computer has carried out the LOW LEVEL FOR MAT command approximately one hour a message similar to one of the following will appear on your monitor screen 7 The following areas were dele...

Page 42: ...ograms The PARTITION com mand sets up the fixed disk drive so that all of its tracks and sectors see Appendix D will be available for use with DOS 1 Once the LOW LEVEL FORMAT procedure is complete the...

Page 43: ...T OPTIONS IN CHAPTER 2 YOU WILL ENCOUNTER A SIMILAR SITUATION WITH THE Y IN STEP 2 2 Since your task at this time is to create a partition ignore the 11 that follows the prompt Type 4 NOTE OBSERVE WHA...

Page 44: ...e to this prompt Press Return The following message will appear on your monitor screen 4 Press the r key twice The following message will appear on your monitor screen don t worry if you don t underst...

Page 45: ...e in drive A Therefore all you have to do is Press Return The monitor screen will temporarily clear and the drive A activity indicator will light as the system is reset rebooted The date prompt will a...

Page 46: ...new time Type NOTE THE FORMAT IS MONTH DASH DATE DASH YEAR Press Return The following prompt will appear on your monitor screen NOTE THE CURRENT TIME FIGURES SHOWN ABOVE ARE ONLY EXAMPLES 7 In respons...

Page 47: ...rams are copied onto the fixed disk drive 1 In response to the A DOS prompt Type press Return The following prompt will appear on your monitor screen 2 In response to this prompt Press Return Formatti...

Page 48: ...DEFECTIVE IT IS SIMPLY THE COMPUTER S WAY OF KEEPING TRACK OF WHERE ON THE FIXED DISK IT SHOULD AND SHOULD NOT STORE YOUR FILES Copy To Fixed Disk Now that the fixed disk drive is fully formatted you...

Page 49: ...OCEDURE FOR COPYING DOS ONTO FIXED DISK AND TRY AGAIN IF AFTER A SECOND TRY YOU ARE STILL UNSUCCESSFUL CONTACT YOUR DEALER COPYING DOS ONTO DISKETTE Now that the DOS programs have been copied onto the...

Page 50: ...In response to the A DOS prompt Type Press Return The following prompt will appear on your monitor screen I Insert a new diskette in drive A and press any key when ready f 2 In response to this promp...

Page 51: ...Format another Y N NOTE ON YOUR MONITOR SCREEN YOU MAY ALSO SEE AN ADDITIONAL MESSAGE THIS IS NOT AN INDICATION THATTHE DRIVE OR DISKETTE IS DEFECTIVE IT IS SIMPLY THE COMPUTER S WAY OF KEEPING TRACK...

Page 52: ...and that will have the DOS programs copied from the fixed disk drive onto the backup diskette 1 In response to the A DOS prompt Type press Return Note that the DOS prompt on your monitor screen is now...

Page 53: ...CONTACT YOUR DEALER SEE CHAPTER 2 AND APPENDIX E IF YOU ARE INTERESTED IN FINDING OUT WHAT HAPPENED IN STEPS 1 AND 2 3 The DOS programs have now been duplicated on the backup diskette Remove this disk...

Page 54: ...NOTES 1 38...

Page 55: ...rsodNumber Pad Keys 2 8 Zone 4 The Function Keys 2 9 The Four Keyboard Zones 2 7 Some Comments Regarding Special Keys 2 10 SPECIAL DOS TASKS 2 15 To Stop A Command 2 15 To Correct Typing Errors 2 16 T...

Page 56: ...File Names 2 30 A Few Bad Examples 2 31 2 6 LOADING DOS 2 32 If DOS Is On Fixed Disk 2 32 If DOS Is Not On Fixed Disk 2 33 2 7 TIME AND DATE 2 35 2 8 THE DOS COMMANDS 2 38 Resident And Nonresident Com...

Page 57: ...mple With a certain applications program you might create an address list of friends or clients with whom you wish to keep in touch You might then let your computer do the tedious task of putting the...

Page 58: ...ey or giving an incorrect command Be sure you have backup diskettes for DOS and any other valuable files you will be using Chapter 1 Then go ahead and plunge into this chapter If at first you don t un...

Page 59: ...om access memory will be erased However information can be kept indefinitely if it is transferred from random access memory to a magnetic disk before power is turned off Once stored on a disk informat...

Page 60: ...m the diskette drive drive A the computer will designate drive A as the default drive Conversely if DOS is loaded from the fixed disk drive drive C the computer will des ignate drive C as the default...

Page 61: ...xed disk drive However just because the computer makes a selection for you does not mean that you have to go along with that selection For example in Chapter 1 you used the PARTITION command to create...

Page 62: ...rform one function when you are running a word processing program and quite another function when you are running a spread sheet program such keys are said to be applications dependent For example if...

Page 63: ...SCAPE NUMBER LOCK PRINT SCREEN Key Symbol THEFOURKEYBOARDZONES The keyboard is divided into four zones Zone 1 The Alphanumeric Keys These keys are used just like those on a standard typewriter keyboar...

Page 64: ...ursor about on the monitor screen If the NUMBER LOCK key is pressed once these keys enter the number pad mode and for entering numeric information If the NUMBER LOCK key is pressed a second time these...

Page 65: ...ications program The purpose of these keys is to save you time For example with a given applications program you might be able to simply press one of the function keys rather than have to type a full...

Page 66: ...nd the com puter knows the difference If you mean to type the number zero 0 you must press the 0 key If you mean to type the letter 0 you must press the 0 key When you use a typewriter you can often u...

Page 67: ...e typewriter SPACEBAR Remember however that if you use the SPACEBAR to move the cursor on the screen characters will be erased as the cursor moves over them To the computer a space created by the SPAC...

Page 68: ...as erase a line The CAPS LOCK key enables you to type uppercase letters To use this key press it once to enter the uppercase mode the indicator will light Press it once again to return to the standar...

Page 69: ...t the CAPS LOCK key is engaged When the CAPS LOCK key is engaged the SHIFT key allows the use of lowercase letters There are two SHIFT keys on the keyboard Their functions are identical They enable yo...

Page 70: ...nto the com puter To enter a command type the entire command statement then press the RETURN key Up until you press the RETURN key you can correct typing errors in your command statement Only after yo...

Page 71: ...Of Task If you accidentally enter an incorrect command or if for any reason you do not wish to allow the computer to run through an entire command procedure you can generally stop it immediately Once...

Page 72: ...s Once the error has been erased you can retype correcting the error or b Perhaps you do not wish to use the BACKSPACE z key and then retype If you press the ESCAPE key a bZckslash appears on the erro...

Page 73: ...NOTE THERE ARE OTHER WAYS TO CORRECT ERRORS YOU CAN READ ABOUT THEM IN THE DISK OPERATING SYSTEM MANUAL 2 17...

Page 74: ...k Simply typing a command statement does not tell the computer to obey the command You must enter the command into the computer by pressing the RETURN G key or the ENTER s key Procedure Type in the co...

Page 75: ...up the computer for printer use see the Disk Operating System manual Press and hold shift Press iGG Release both keys NOTE IF YOU DO THIS WITHOUT A PRINTER CON NECTED YOUR COMPUTER WILL SEEM TO STOP...

Page 76: ...immediately copied on the printer the printer echoes the screen Procedure Make sure your printer is connected in accordance with the instructions provided by its manufacturer Turn on the printer If yo...

Page 77: ...o fast for you to read it When this happens you may want to temporarily stop the movement of the display NOTE THE WAY INFORMATION IS DISPLAYED AND THEN MOVED UP THE SCREEN IS CALLED SCROLLING Procedur...

Page 78: ...AUSE ANY PROGRAM IN PROGRESS TO BE STOPPED ALL INFORMATION WILL BE LOST IF IT IS NOT FIRST SAVED ON MAGNETIC DISK Procedure Press and hold 5 and A t Press oel Release all three keys In a few seconds t...

Page 79: ...en will be the A symbol if the fixed disk drive is the default drive the DOS prompt displayed on your monitor screen will be the C symbol Default status can be easily changed Procedure a If the DOS pr...

Page 80: ...OTE THE CLS COMMAND DEPENDS UPON THE PRESENCE OF THE ANSI SYS DEVICE DRIVER INSTALLED USING THE CONFIG SYS FILE PLEASE REFER TO THE DOS MANUAL ANSI ESCAPE SEQUENCES AND INSTALLABLE DEVICE DRIVERS 2 24...

Page 81: ...n create your own program files Data files are rather different in nature You are very interested in the contents of these files Data files do not contain instructions for the computer Rather they con...

Page 82: ...end of a base name A period is used to separate a base name from its extension Listed below are some examples of base names followed by extensions ACCTS 83 LETTER 1 ACCTS 84 LETTER 2 GAME PAC POKER BA...

Page 83: ...COM1 COM2 CON LPT1 LPT2 LPT3 PRN NUL See the Disk Operating System manual for an explanation of reserved names DRIVE SELECTION When you want to store files your computer gives you two options you can...

Page 84: ...five thousand double spaced typewritten pages You are not likely to quickly run out of storage space on your fixed disk drive As well as providing a vast storage space for files the fixed disk drive i...

Page 85: ...u want to use the default drive and it will proceed accordingly This is a perfectly acceptable way to do things if the default drive is your choice For example if the DOS prompt is the A symbol the fo...

Page 86: ...you have learned about the naming of files a The base name is not optional It must be from one to eight characters in length without any spaces between characters b The extension is sometimes optiona...

Page 87: ...FEW BAD EXAMPLES Below you will find some examples of unacceptable file names File Name Explanation A ACCTS 83 There should not be a space between the colon and the base name The base name is too lon...

Page 88: ...If it finds the DOS pro grams in either of these places the DOS programs will be automat ically transferred loaded to the computer s random access memory The first drive on which DOS is found will be...

Page 89: ...ave not yet made a copy of the DOS programs on the fixed disk drive you should perform the backup procedure given in Chapter 1 If for some reason you have decided not to use the fixed disk drive as yo...

Page 90: ...iskette drive 4 Turn on the system unit power switch 5 As soon as you see the test status message Chapter 1 appear in the top left comer of your monitor screen close the door of the diskette drive Onc...

Page 91: ...this could help you keep track of the last time an address list file was updated To enter the time and date follow the procedure given below 1 Once DOS is loaded the following display will appear on y...

Page 92: ...SEGMENT Press Return Once you have performed either a or b the following display will appear on your monitor screen NOTE THE DATE AND TIME FIGURES SHOWN ABOVE ARE ONLY EXAMPLES IF YOU DID NOT ENTER A...

Page 93: ...IN AS 15 30 Press G Once you have performed either a or b the DOS prompt will appear on your monitor screen NOTE GENERALLY IN THIS SECTION THE DOS PROMPT IS ASSUMED TO BE THE C SYMBOL OF COURSE IF THE...

Page 94: ...you have entered the command statement This means that if you do not have the DOS programs on fixed disk you must have the DOS diskette installed in the diskette drive at the time you enter a command...

Page 95: ...om one disk to another or onto the same disk with change of file name DEL Deletes specified files DIRECTORY Lists the files on a disk FORMAT Sets up the directory tracks and sec tors on a disk MODE Ce...

Page 96: ...feel more comfortable with a command format like the following copy file name drive That is the format dealt with in this manual Using it you can do a lot of copying and there is a good chance it wil...

Page 97: ...mmand refer to your Disk Operating System manual NOTE ALTHOUGH THIS MANUAL DOES NOT COVER THE DISKETTE TO DISKETTE COPY PROCEDURE REMEMBER THAT YOU CAN ALWAYS COPY FROM DISKETTE TO FIXED DISK AND THEN...

Page 98: ...s now been copied onto the fixed disk drive You may wish to confirm this by using the DIREC TORY command FIXED DISK TO DISKETTE 1 Obtain the C DOS prompt 2 Install the diskette on which you want a cop...

Page 99: ...activity indicators will light as information is trans ferred from the fixed disk drive to the diskette Then the following message will appear on your monitor screen 4 The file has now been copied on...

Page 100: ...want to add to the disk NOTE YOU WILL HAVE TO KNOW THE EXACT BASE NAME AND EXTENSION OF THE FILE YOU WISH TO DELETE USE THE DIRECTORY COMMAND IF YOU ARE UNCERTAIN MAKE SURE YOU WILL NEVER WANT TO USE...

Page 101: ...he file name base name and extension of the file that you wish to delete For example if you no longer need the file named LETTER 10 Type I CF Press Return The DOS prompt will appear on your monitor sc...

Page 102: ...d would like a printed copy of the directory make sure your printer is connected in accordance with the instructions provided by its man ufacturer Turn on the printer If you are using a serial printer...

Page 103: ...wn below Your actual display will of course be determined by the contents of the disk whose direc tory is being shown Directory of A ACCTS 83 15957 IO 19 83 751p GAME ZAP 5986 1 04 83 8 23a LETTER I 8...

Page 104: ...lling When you want to see more of the directory Press Return The directory display will once again begin to scroll To stop it again return to the beginning of step 6 7 Once the entire directory has b...

Page 105: ...must be done before tiles can be stored on a diskette Normally a diskette will be formatted only once when it is brand new When a diskette is formatted all files stored on it are destroyed This could...

Page 106: ...ariation of the FORMAT command used in Chapter 1 i e FORMAT S Usually how ever you will wish simply to format a diskette to prepare it for file storage Refer to the Disk Operating System manual or Cha...

Page 107: ...skette drive activity indicator will light as the diskette is formatted Then the following message and prompt will appear on your monitor screen T 7 Formatting Drive A Format complete xxxxxx bytes tot...

Page 108: ...TO USE THE DIRECTORY COMMAND AT THIS TIME IF YOU ARE UNCERTAIN PROCEDURE 1 If the fileto be renamed is on diskette insert the diskette and close the drive door 2 Obtain the DOS prompt for the drive o...

Page 109: ...S COMMANDS COMMAND RENAME continued PROCEDURE continucd Press Return Thc DOS prompt will appear on your naonitor screen NOTE THE FILE IS NOW RENAMED YOU MAY WISH TO USE THE DIRECTORY COMMAND TO VERIFY...

Page 110: ...nables you to move these charactersonto the screen move them to the right you can use the MODE command For other uses of the MODE command e g setting up the computer to use a serial printer refer to t...

Page 111: ...ear on your monitor screen 3 There are two possible responses to this prompt a If the display alignment is correct Type B Press Return NOTE IF YOU ENTERED A Y FOR YES YOU WILL BE RETURNED TO THE DOS P...

Page 112: ...t Type IP Press Return The monitor screen will present the following display 4 In response to the above display Return to the beginning of Step 3 NOTE IF YOU ARE USING A VM 3 MONITOR DO NOT USE THE R...

Page 113: ...TO THE COMPUTER EVEN THOUGH IT LOOKS INCOMPREHENSIBLE TO YOU THIS WILL BE TRUE ESPECIALLY WITH FILES THAT HAVE EXE COM OR SYS EXTENSIONS PROCEDURE 1 If you want a printed copy of the file make sure yo...

Page 114: ...1 Press prtsc Release both keys Press Return The DOS prompt should appear on your monitor screen and the printer should echo the screen by printing the DOS prompt If this does not occur repeat Step 3...

Page 115: ...CEDURE continued The command you just entered and the contents of the specified file will be displayed on the monitor screen and if you so elected printed on your printer 6 In order to stop Press and...

Page 116: ...NOTES 2 60...

Page 117: ...CHAPTER 3 TURNING IT OFF Page 3 1 PROCEDURES FOR TURNING OFF THE COMPUTER 3 1 3 2 RELOCATING THE COMPUTER 3 2...

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Page 119: ...off 0 Do not turn off the computer if either of the disk drive activity indicators is on 0 Do not turn the computer off while a diskette is installed in the diskette drive The procedure for turning of...

Page 120: ...rive 4 Turn off the power switch at the rear of the system unit 5 Turn off the monitor power switch 6 Turn off any other system components 7 Disconnect the power cord from the system unit 8 If you hav...

Page 121: ...12 For long distance moves pack each system component in its original shipping container protective wrappers foam etc 13 To set up your computer after a move refer to Sections 1 2 1 3 and 1 5 3 3...

Page 122: ...3 4...

Page 123: ...3 5...

Page 124: ...NOTES 3 6...

Page 125: ...Introduction 4 1 4 2 Preinstallation Procedure 4 2 Option Card Installation 4 6 Switch Settings and Jumper Configurations 4 8 4 5 Postinstallation Procedure 4 11 4 3 4 4 1 2 Coprocessor Option Memory...

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Page 127: ...Section 4 3 gives guidelines for the installation of option cards in their slots Section 4 4 provides a ta ble giving switch settings and jumper configurations for various op tions Section 4 5 gives i...

Page 128: ...hat contains your DOS programs 2 In response to the DOS prompt Type s Press Keturn The following message will appear on your monitor screen Remove power from the System Now 3 Make sure the disk drive...

Page 129: ...10 Remove four screws from the rear of the system unit Set the screws aside for use when you reinstall the case on the system unit 8 11 Carefully slide the case off of the system unit chassis 4 3...

Page 130: ...9 THROUGH U87 MEMORY MODULE SOCKETS uioo THROUGH uioa NOTE ALL EXPANSION SLOTS ARE FUNCTIONALLY IDENTICAL AND IN GENERAL ANY CIRCUIT CARD CAN GO IN ANY SLOT HOWEVER TO AVOID POSSIBLE DIFFICULTIES WITH...

Page 131: ...structions or to the appropriate option section of this chapter and install your option Refer to Section 4 3 for guidelines on the installation of option cards and to Section 4 4 for appropriate switc...

Page 132: ...ay use Do not use force If your option card will not seat easily stop and determine what is causing the difficulty before you proceed If you option card is a long one be sure its front edge is properl...

Page 133: ...VER THE CIRCUIT CARD IS REMOVED FROM THE EXPANSION SLOT IF THIS PRECAUTION IS NOT OBSERVED YOUR SYSTEM UNIT MAY OVERHEAT 2 Slide the option card straight down into the expansion slot and fasten it to...

Page 134: ...nformation should take precedence over that provided by the manufacturer of your option A ball pen works nicely for setting the switches on Switch Unit S1 The following diagram illustrates the two pos...

Page 135: ...s U79 U87 and U100 U108 and install 3 on 4 0ff A 3 off 4 on A 3 Off 4 Off A See instructions provided by memory expansion card 2 manufacturer of card MEMORY INSTALLATION USING 256K MODULES 128K Standa...

Page 136: ...chrome and color adaptors 5 off 6 on installed color 40 X 25 default Monochrome and color adaptors 5 on 6 0ff installed color 80X 25 default No display adaptor installed 5 on 6 on System start up from...

Page 137: ...n is correctly installed circuit board switches are properly set and all circuit cards etc have been installed 2 Slide the case back onto the system unit chassis Make sure the tab at the rear of the c...

Page 138: ...c test see Sections 1 4 and 1 5 If the self diagnostic test reveals any problems go over the option installation procedure once again and make sure you have properly installed and assembled everything...

Page 139: ...MEMORY INTEGRATED CIRCUITS OPTION INSTALLATION PROCEDURE These pages provide instructions for installing memory integrated 4 13...

Page 140: ...BEYOND 256 KILOBYTES BY THE USE OF A MEMORY EXPANSION CARD SUCH A CARD CANNOT BE USED IN CONJUNCTION WITH 256K MODULES To install additional memory modules you will need the following 0 tool for insta...

Page 141: ...be used during memory module installation Remove the mounting screws from any circuit cards that block access to these items Remove the cards Set the screws aside for use when you reinstall the circu...

Page 142: ...he pins of the memory modules 0 Make sure all pins are aligned in the pin sockets before inserting a module SOCKET 3 Configure switches and or jumpers as appropriate for the number and type of memory...

Page 143: ...4 17...

Page 144: ...COPROCESSOR OPTION Installation Procedure These pages provide instructions for installing a coprocessor 8087 on the main circuit board of the system unit 4 18...

Page 145: ...to obtain an 8087 microprocessor Installation Procedure NOTE THE ILLUSTRATIONS IN THE FOLLOWING PROCEDURE MAY NOT ACCURATELY DEPICT THE INTERIOR LAYOUT OF YOUR COMPUTER THEY ARE PROVIDED AS EXAMPLES...

Page 146: ...THE CABLES 2 Insert the 8087 coprocessor into the coprocessor socket on the main circuit board Observe the following guidelines Note the notch or dot at one end of the coprocessor and its socket Inst...

Page 147: ...7 coprocessor 4 Reinstall any circuit cards that have been removed Slide the cards straight down into their slots NOTE IT IS SUGGESTED THAT YOU INSTALL THE CARDS IN THEIR ORIGINAL SLOTS 5 Use screws t...

Page 148: ......

Page 149: ...A The DOS Keyboard The functions performed by many of the keys on the computer key board vary from one application to another The information in this appendix refers only to key functions pertaining t...

Page 150: ...tered line one char acter at a time This key displays portions of the previously entered line that lies before any given charac ter Press this key and then a character key The screen will display the...

Page 151: ...isplays portions of the previously entered line that comes after any given char acter Press this key and then a character key The screen will display the portion of the previously entered line that li...

Page 152: ...cription This key combination sus pends operation so you can read the display To con tinue operation press any key This key combination prints what you type and what the system displays To stop the pr...

Page 153: ...ey are shown only exception they can also be typed uppercase or mixed case For example if copy is part of a command format you should type the word copy 2 Words shown within angle brackets should not...

Page 154: ...TER G key DOS Commands COMMAND PURPOSE FORMAT COMMAND PURPOSE FORMAT COMMAND PURPOSE FORMAT COMMAND PURPOSE FORMAT CHECK DISK Checks a disk and indicates the memory space available on it chkdsk drive...

Page 155: ...splays the files recorded on a disk dir DISK COMPARE Compares two diskettes diskcomp DISK COPY Copies the contents of one diskette to another diskcopy ERASE Deletes specified files erase file name FOR...

Page 156: ...MAND PURPOSE FORMAT PAUSE Temporarily suspends the current operation used only in BATCH files pause remark REMARK Displays a remark in a batch file rem remark RENAME Renames a file ren file name file...

Page 157: ...ASIC manuals SCREEN DISPLAY MESSAGES 88 Keyboard Error ExplanatiodAction The keyboard may be disconnected from the system unit Make sure your keyboard is properly connected nn Keyboard Error Explanati...

Page 158: ...tte Corrupted Partition Table Error Loading DOS Invalid Boot Record ExplanatiodAction Each of the above messages indicates a fundamental error in the organization of data on the fixed disk drive Parti...

Page 159: ...ate internal hardware or software errors If one of these errors occurs turn off the system unit power switch wait fifteen seconds turn the power switch on and try again If the same error occurs again...

Page 160: ...heck seating and connection of monochrome video board Remember to turn off and unplug the system unit be fore removing its cover WO or more short beeps ExplanatiodAction This message indicates a hardw...

Page 161: ...encloses a disk made of materials very similar to those used in conventional recording tape The protective jacket helps to keep the recording disk clean and free from scratches The head slots in the j...

Page 162: ...directory DOS keeps a catalog of every file stored on the diskette It records the file name of each file and also the tracks and sectors on which each file can be found There is a write protect notch...

Page 163: ...mpartment within the drive The information stored on fixed disks is recorded in tracks and sectors similar to those on diskettes However the disks built into the fixed disk drive provide a capacity fo...

Page 164: ......

Page 165: ...se name or in an extension means that any character can be in that position NOTE THE FOLLOWING EXAMPLES ASSUME THE DEFAULT DRIVE IS A AND CONTAINS THE SOURCE DISKETTE THEREFORE DRIVE C INDICATES WHERE...

Page 166: ...asterisk in a base name means that any character can be in that position and in the rest of the base name Similarly an asterisk in an extension means that any character can be in that position and in...

Page 167: ...bally defined by this single command Global characters can be time savers but consider what could happen if you used them with the ERASE command If you were not careful you could accidentally erase fi...

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Page 169: ...256 Kilobytes RAM expandable to 640 Kilobytes 16 bit 8088 double sided double density 500 Kilobytes unformatted 360 Kilo bytes formatted 5 1 4 inch 12 75 Mega bytes unformatted 10 Megabytes formatted...

Page 170: ...ENDIX F Product Specifications continued Size inches H w D Keyboard System Unit 1 44 x 17 77 x 7 69 5 75 x 19 03 x 15 31 Cooling Forced Air Operating System MS DOS optional Language GW BASIC optional...

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