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MAINTENANCE AND TROUBLESHOOTING

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Figure 4-25 320 by 200 Graphics (Second Color) Test Screen

GRAPHICS 640X200 B/W

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Figure 4-26 640 by 200 Graphics (Third Color) Test Screen

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OWNER'S MANUAL

Содержание PC4I

Страница 1: ...N C R Personal Computer C Owner s Manual...

Страница 2: ...nto adifferent outletsothatcomputer and receiverare ondifferent branch circuits If necessary the user should consult the dealer or an experienced radio television technician for additional suggestions...

Страница 3: ...achine or designated group of machines Any portion of the Program merged into another program will be considered to be a modification and will be subject to the terms and conditions of this License Ag...

Страница 4: ...ogram and your money will be refunded IN NO EVENT WILL NCR OR ANY OTHER PARTY OR PERSON BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DAMAGES INCLUDING LOST PROFITS LOST SAVINGS OR OTHER INCIDENTAL OR CONSE...

Страница 5: ...Processing Unit CPU 1 10 M em ory 1 11 Internal Memory 1 11 External Memory 1 12 Input D evices 1 14 Output Devices 1 14 SOFTWARE 1 14 System Software 1 15 The Operating System 1 15 Run time Interpre...

Страница 6: ...11 KEYBOARD FEATURES 2 11 Rollover 2 11 Auto repeat 2 11 Keys 2 12 Groups 2 12 Control Keys 2 13 Typewriter K ey s 2 15 Cursor Keys 2 16 Numeric K eys 2 17 AN OUNCE OF PREVENTION 2 18 Human E rro r 2...

Страница 7: ...isplay Switch S ettin g s 3 26 EXTERNAL DISPLAY INSTALLATION 3 26 FLEXIBLE DISK D R IV E 3 28 FIXED DISK DRIVE 3 32 DRIVE REMOVAL 3 37 COMPUTER TILT AND SWIVEL MECHANISM 3 39 Maintenance and Troublesh...

Страница 8: ...4 22 Continuous Run of Tests from Main Menu 4 23 Utilities Menu 4 23 Add Delete Test Modules 4 25 Run All T e sts 4 28 Exit from Diagnostics 4 28 Appendix A Keyboard Functions A 1 Appendix B Technica...

Страница 9: ...reading You get a User Diagnostics diskette with this manual A whole chapter in this manual tells you about diagnostics NCR DOS Manual This is a detailed reference to the features and use of the NCR...

Страница 10: ...g specific use programs ADVANCED DOCUMENTS There are three additional manuals available for the owner who wants to become more deeply involved with the programming or servicing of the computer They a...

Страница 11: ...Joining a computer club or visiting local computer shows could also broaden your exposure to computing INSTALLATION QUALITY REPORT Don t forget to fill out your Installation Quality Report Card that...

Страница 12: ...perations and comparisons in the time it took you to read this sentence Accurate your computergivesexactly the same answer to the same calculation or comparison as long as the same program is used reg...

Страница 13: ...riage style accounting machines were developed with typewriter style keyboards plus function and numeric keys Many of these machines used specially built replaceable program bars or form bars for each...

Страница 14: ...larger processors was dominant for several years Univac s LARC Livermore Atomic Research Computer and IBM s STRETCH are examples of the extremely large and powerful machines whose capabilities far exc...

Страница 15: ...n benefit greatly from the use of computers As you become familiar with your computer you will discover many new and exciting jobs it can do for you Business Some of the multiple purposes for computer...

Страница 16: ...l state and local law enforcement agencies for wanteds outstand ing warrants fingerprint identification and other criminal justice purposes 5 Military command and control networks air defense missile...

Страница 17: ...ttachments of one or more components lets the home computer act to 1 Monitor home security and turn lights radios on off at predeter mined times 2 Control heating air conditioning and other appliances...

Страница 18: ...e HARDWARE Hardware encompasses all of the physical parts of a computer system Each component performs a particular function and plays a specific role in processing data 1 Central Processing Unit Arit...

Страница 19: ...ed arithmetically or logically are normally retrieved from internal memory into the CPU under control of the CPU Data resulting from CPU operations are stored back into internal memory Memory The term...

Страница 20: ...rnal memory Information in RAM memory is recorded electronically but is volatile That is its content is maintained by a constant small electric current the information is lost if the current is interr...

Страница 21: ...oft sectored or hard sectored 2 Magnetic Tape Drives a Devices normally referred to as magnetic tape drives use reelsofindustry standard tapes with a metal oxidecoating on one side b Cassette tape dri...

Страница 22: ...computers Output Devices Data and programs are transferred from internal memory under CPUcontrol tooutput devicesduring orafter the system has finished processing Much ofa computer soutput istoexterna...

Страница 23: ...re are standard programs whose presence is essential for your computer to operate They consist of 1 Operating system program control programs that permit and initiate the running of all other kinds of...

Страница 24: ...o accomplish the purpose of each instruction The GW BASIC interpreter is an example of a run time interpreter Utility Programs Every computer needs utility programs to perform very common functions su...

Страница 25: ...r the language GW BASIC contains such an editor Assemblers An assembler program translates source code from the computer assembly language to an object code Such a program is a low level program langu...

Страница 26: ...r into one load module to create a program the computer can run Application Software Application software programs are the tools you use to perform specific functions such as 1 Accounting inventory an...

Страница 27: ...ed for use on other PC s may also be used READING WRITING PRESENTATION OF DATA The Binary System Electronic circuits and magnetic storage devices are capable of carrying storing or recognizing only tw...

Страница 28: ...d in many computers is EBCDIC which uses Bsub as a data bit and thus has 256 possible unique characters 0 1 0 0 0 0 0 1 0 1 o 0 o 1 o o OFF ON Qp u p F OFF OFF ON OFF OFF 9ure 1 3 Bjnary Representatio...

Страница 29: ...cal pulses recirculated through tanks of liquid mercury Soon that and other early storage techniques were superceded by the use of magnetic core memories Each ferrite core shaped like a tiny donut rep...

Страница 30: ...ening where the mechanism that spins the diskette makes contact b the small circular hole near the center opening used for reading an indexing or positioning signal from the diskette c the larger oval...

Страница 31: ...oses of recording and reading data considered to consist of concentric circles of magnetizable spots Each circle is called a track On the standard 5 1 4 inch diskette 40tracks are defined to exist on...

Страница 32: ...bits in every sector of every track of the diskette reading the test pattern back from every sector to verify write and read accuracy and creating a file directory so that subsequent programs cancreat...

Страница 33: ...task Data must be present for productive performance of a task Data can be a file ofcustomers inventory budget information checks written or joystick movements directing your spaceship to avoid hazar...

Страница 34: ...c c...

Страница 35: ...o direct sunlight and away from any heating system 4 Room for sufficient airflow to cool the unit 5 An adequate number of properly grounded outlets 3 hole receptacles for the computer and any associat...

Страница 36: ...e to the computer or peripherals is visible report it immediately to your dealer or NCR representative 3 Remove the tabbed inserts in the drives and save these with the boxes see Figure 2 1 4 Arrange...

Страница 37: ...uter at the rear see Figure 2 4 3 Plug the power cord into a grounded wall outlet 4 If you have a printer connect it according to the instruction booklet furnished with it and to the Option Installati...

Страница 38: ...READY SET GO _ Figure 2 3 Keyboard Cable Connection 2 4 OWNER S MANUAL...

Страница 39: ...er Now you have one of the following basic models 3277 1101 A 12 inch monochrome display with 1 flexible disk drive and Alpha display controller 3277 1102 A 12 inch monochrome display with 2 flexible...

Страница 40: ...h 2flexible disk drives and 32K graphics controller 3277 1203 A 12 inch color display with 1 flexible disk drive and 1fixed diskdrive and 32Kgraphics controller Figure 2 5 One Flexible Disk Drive Figu...

Страница 41: ...face for Centronics type printers f 8 plug in board expansion slots g Controller for up to 2 flexible disk drives 3 Drive slots for 1 flexible disk drive and one optional slot for another flexible dis...

Страница 42: ...set of system and program development software A broad selection of application software is available to you in the business and the home computer field Included are 1 NCR DOS 2 GW BASIC 3 USER DIAGN...

Страница 43: ...a Check the volume control on the speaker and adjust this control if necessary b Turn OFF the power switch and turn ON the switch again c Checkthat the wall outlet is working properly plug in a lamp t...

Страница 44: ...comfort 9 Sounds may emit from your optional equipment ignore for now 10 Go to the troubleshooting section in this manual and perform a diagnostics test on your complete system Make a note of any erro...

Страница 45: ...ons on how to use DOS commands to operate your computer and your GW BASIC manual tells you how to prepare your own special programs The diskettes for both GW BASIC and NCR DOS are in the back of the N...

Страница 46: ...e of the key that is a the lower function or symbol on the face of the key b the lowercase representation of the alphabetic letter on the key e a function designated by the program in use 2 Press the...

Страница 47: ...ogram You may recognize some of them as being similar to the keys on a typewriter see Figure 2 9 The following functions are applicable when your computer is running NCR DOS Enter 1 One function of th...

Страница 48: ...een The printing process continues until all the screen display is printed The Ctrl key used with the PrtSc key causes the printer to print what you type until you deactivate it by using the Ctrl key...

Страница 49: ...a period Home The Home key returns the cursor to the top left corner of the screen There are two Home keys on your keyboard one in the Cursor keypad and one in the Numeric keypad Ins The Insert key ac...

Страница 50: ...keypad and one in the Numeric keypad It moves multiple lines if you hold it down This key is software dependent The cursor right key moves the cursor one character to the right each time you depress...

Страница 51: ...w keys are activated and they perform the same functions as their counterparts on the cursor keyboard see Figure 2 12 Several keys on the Numeric keypad are active at all times Num Lock Scroll Lock En...

Страница 52: ...With the Num Lock activated the Del key places a decimal point in your numeric operation You use the minus key in numeric functions You use the plus key in numeric functions Figure 2 12 Numeric Keys...

Страница 53: ...onment Remember that magnetized objects might damage the diskettes and can affect the computer s memory Even jewelry can have magnetic properties so be careful Keep your computer environment as static...

Страница 54: ...ammonia based glass cleaner a very mild detergent solution or a water dampened cloth Dry the screen with a soft cloth 3 Wipe the cabinet with a cloth slightly dampened by a mild detergent solution bu...

Страница 55: ...and heed the WARNING and CAUTIONS given here WARNING Turn OFF the power switch and unplug the power cord from the wall socket and from the back of the computer before you begin work to avoid electric...

Страница 56: ...he cabinet see Figure 3 1 4 Grasp the cabinet top at both sides with a slightly outward pull slide the top off toward the rear 5 T av the cabinet top to the side out of the way Figure 3 1 Cabinet Remo...

Страница 57: ...ack Assembly Removal CABINET REASSEMBLY 1 Place the cabinet top in the grooves of the cabinet bottom and slide the cabinet top over the computer from the back to the front 2 Replace the two screws int...

Страница 58: ...position 3 Install any peripheral device cables to the appropriate connector at the back of the card rack assembly MAIN PROCESSOR BOARD MPB A layout of the MPB illustrates the location of the switches...

Страница 59: ...and CAUTIONS then proceed as follows to install a board in your computer 1 Leave the board in the protective plastic envelope and place it on the working surface beside your computer 2 Remove the scre...

Страница 60: ...he socket on the MPB 6 Replace the screw taken out in step 2 Make sure you tighten it securely NOTE Toinstall theNumericCoprocessor itis necessary toremove the cable clip and cover shown in Figure 3 4...

Страница 61: ...able to be attached to the controller board then connect it at this time see Figure 3 7 8 Bringthe connectingplug upto the opening in the grill at the back of the computer and attach the cable to the...

Страница 62: ...computer 1 Remove the card rack assembly refer to the cabinet disassembly instructions in this chapter 2 Remove the screw holding the board retaining bracket refer to Figure 3 6 3 Remove the plastic r...

Страница 63: ...u install the Monochrome Monitor Adapter Board This adapter board is used to drive a freestanding monochrome display but it is not suitable for connection to the integrated display of your personal co...

Страница 64: ...a system that is already supporting a color display You must set the switches on the MPB so that the computer starts in the monochrome mode to prevent possible damage to the displays The switch settin...

Страница 65: ...onnect the following a The RCA phono jack connector can be used with a modulator to connect a television set for a display Connect one end of a modulator to the phono jack connector and connect the ot...

Страница 66: ...unit with one flexible disk drive and a monochrome display The controller board provides both text and block graphics This feature board can be used in a system that is also supporting a freestanding...

Страница 67: ...olor display or in shades of gray on a monochrome display The optional 64K graphics controller board is similar to the 32K controller board but provides displays with a higher resolution The switch se...

Страница 68: ...5 6 7 e 0 O O O O o o o O o C O O SW1 Figure 3 15 Cotor Graphics Board Switch Settings Remove the jumper block for an open position and and leave the jumper block in place on J1 for a closed position...

Страница 69: ...ign of the jumper The function is the same to connect or disconnect the two pins Board z l Light Pen Connector Jumper J1 Monitor Connector Figure 3 16 Color Graphics Board Jumper Location Plug the cab...

Страница 70: ...e memory capacity to 64K graphics memory You need to remove the controller board to get at the chip sockets Refer to the cabinet disassembly section in the front of this chapter for instructions to re...

Страница 71: ...f 64 KB up to a system maximum of 640 KB NOTE The MPBmust contain sufficient chipsto total exactly 256KBbefore a memory expansion board can be added The MPB in your computer contains one of the follow...

Страница 72: ...Banks 0 and 1may be soldered in place You can remove the chips in Banks 2 and 3 and replace them with higher capacity chips If you are installing chips to an expansion board refer to that specific bo...

Страница 73: ...inations of memory chips The seven possible combinations ofmemory including the two possible ways the computer is originally equipped are shown in the chart below The switch settings for SWA switch bl...

Страница 74: ...nstructions to remove the card rack assembly Memory Expansion Board If you are adding the memory chips to the expansion board you need to set the switches onthat board see Figure3 22 The settings show...

Страница 75: ...expansion ON ON OFF ON 320 KB Fourth 64 KB expansion OFF ON OFF ON 384 KB Fifth 64 KB expansion 1 2 3 4 1 2 3 4 1 t On I On Closed Closed 1 64 KB 128 KB 320 KB On Closed 384 KB Figure 3 22 Expansion...

Страница 76: ...cation You need to change the switches for MPB SW1 switch block see Figure 3 24 Switch 2 Explanation ON Coprocessor not installed OFF Coprocessor installed S w itc h 2 E x p la n a tio n ON OFF Coproc...

Страница 77: ...mbly see Figure 3 26 You use the parallel port with a parallel printer The serial port is used to connect a serial printer an RS232C compatible modem for telecommunications or any other RS232 terminal...

Страница 78: ...serial port is controlled by switch 3 on SWA see Figure 3 27 Plug the serial printer connector into the serial port receptacle Use the NCR DOS MODEcommand to enable the port for a serial printer Swit...

Страница 79: ...onnector to the parallel port receptacle The parallel port Centronics is controlled by switch 4on SWA see Figure 3 28 Switch 4 Explanation ON parallel port enabled OFF parallel port disabled S w itch...

Страница 80: ...monochrome display or a color display The switches ofSW1 on the MPBmust be set according to the configuration you choose see Figure 3 29 Sw itch Block SW1 S w itches No S 6 D isplay Configuration Fig...

Страница 81: ...computer refer to Figure 3 30 6 Insert the computer s power cord into a power outlet but leave the power switch off 7 Turn ON the video display power switch 8 Turn ON the computer power switch 9 Withi...

Страница 82: ...straightforward Carefully read the instructions in the preparations section at the beginning ofthis chapter and heed the WARNING and CAUTIONS then proceed as follows 1 Remove the top cover refer to th...

Страница 83: ...5 The drive is supplied with a resistor pack J3 Leave this in place but remove the equivalent resistor pack from Drive A 6 Remove the single connector data cable from the existing drive Remove the oth...

Страница 84: ...on relative to the rest of the system If it is required loosen the screws slightly and slide the drive unit either rearward or forward to adjust the alignment This step is not critical to the function...

Страница 85: ...OPTIONS INSTALLATION Figure 3 33 Drive Installation Figure 3 34 Drive Connectors 3 31 OWNER S MANUAL...

Страница 86: ...fthe drive unit 14 Reassemblethe cabinet referto the cabinetreassembly section in the front of this chapter FIXED DISK DRIVE This computer operates with a maximum of two integrated drives in the syste...

Страница 87: ...ive to an empty slot remove the snap out face plate escutcheon from the drive slot front see Figure 3 31 Figure 3 36 Jumper and Resistor Pack Locations 3 If you are replacing a drive refer to the driv...

Страница 88: ...on top of the drive bracket Insert the two screws into the top mounting holes and drive holes and turn clockwise see Figure 3 39 NOTE The bracket slots are elongated to allow some adjustment of the d...

Страница 89: ...Installation 8 Attach one keyed connector of the 34 conductor controller cable to the mating connector Jl on the drive 9 Attach one keyed connector of the 20 conductor data cable to the mating connect...

Страница 90: ...f not previously installed you must install the controller board for your fixed disk drive 11 Take the controller board from the kit and set the jumpers as shown in Figure 3 41 12 Install the board ac...

Страница 91: ...for removing the flexible disk drive and the fixed disk drive are performed in the same manner Carefully read the instructions in the preparation section at the beginning of this chapter and heed the...

Страница 92: ...sk Data Cable DC Power Plug 3 If you are removing a flexible disk drive disconnect the other end of the ribbon cable from the MPB Do not disconnect the cable from the MPB if you are installing a repla...

Страница 93: ...TILT AND SWIVEL MECHANISM The installation of this mechanism is simple and requires only a few preparatory steps to avert possible damage to your system Before you move your computer refer to the rel...

Страница 94: ...l 5 Install the four screws to the bottom of the computer and turn clockwise until tight see Figure 3 44 6 Turn the computer upright so that it is standing on the tilt and swivel device 7 Reconnect th...

Страница 95: ...OPTIONS INSTALLATION OWNER S MANUAL 3 41...

Страница 96: ...c o...

Страница 97: ...in use 6 Put your diskettes away when not in use Place them in protective envelopes and store in a closed container 7 Check to see if any magnetized hardware is in the computer environment Remember t...

Страница 98: ...a soft felttip pen d Keep food drinks and tobacco away from them e Do not bring components that may be magnetized into the area with diskettes RELOCATION When you move your computer any distance ther...

Страница 99: ...ive A 2 Turn ON the power switch 2 Follow the instructions on the screen To operate the Utilities routine if you have already turned on the computer you can follow the steps below 1 Insert the DIAGNOS...

Страница 100: ...run o f s e le c tio n F4 to Stop SELECTION J Figure 4 1 Main Menu Screen r The NCR P ersonal Computer C o p yrig h t 1985 NCR Corp UTILITIES A v e ita b le S e le c tio n s Page 1 o f 1 1 I n i t i a...

Страница 101: ...g on a longdistance move then you should take these additional precautions 1 Put each module in its own plastic wrap 2 Pack the modules in the original cartons and packing material 3 Position the cush...

Страница 102: ...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 away from the receiver 4 Plug the computer into a differ...

Страница 103: ...ed not be formatted d When the A appears on the screen type DISKCOPY A B and press the ENTER key e The system reads from the DOS diskette the information it requires to perform the function you have a...

Страница 104: ...essage opposite a module is PASSED then the test detected no error If the message is FAILED then the module has detected one or more errors A blank field means that the test on the module was not exec...

Страница 105: ...gure 4 4 Sample Diagnostics Main Menu Screen The NCR P ersonal Coaputer D ia g n o stic S h e ll V ersion 1 C o p yrig h t 1986 NCR Corp A v a lla b le Teats 9 High Speed XP 10 Tape D rive Page 2 o f...

Страница 106: ...a tio n o f each f le x ib le d is k d r iv e and in clude s check fo r d is k speed Fixed d is k d riv e Tests fo r a re a d e rite o f the aaintenance tra c k a read o n ly o f s e c to r 0 a read o...

Страница 107: ...Y d a te ti e RANDOM ACCESS MB40RY RAM ADDRESS ERROR MEMORY d a te tie e RANDOM ACCESS MEMORY RAM PARITY ERROR MEMORY date tie e READ ONLY MEMORY ROM CHECKSUM ERROR J Figure 4 8 Memory Error Message S...

Страница 108: ...__________________________ Figure 4 9 Controllers Test Screen CONTROL d a te tia e CENTRAL PROCESSING UNIT I CPU ERROR CONTROL data tia e DIRECT MEMORY ACCESS OMA CONTROLLER ERROR CONTROL d a te l tia...

Страница 109: ...to Error Messages Figure 4 12 In the Keyboard Verification test you are prompted to press keys on the keyboard then to verify that the keys displayed are the same as the ones you pressed If the keys...

Страница 110: ...screen as the drives pass the test see Figure 4 13 If any of the drives fail the test an error message is displayed see Figure 4 14 ___ HEAD WRITE FLEXIBLE DRIVE A PASSED ___ READ WRITE FLEXIBLE ORIV...

Страница 111: ...enu screen the program tests the read and write capability of the drives and displays the Fixed Disk Drive screen as each drive passes see Figure 4 15 If any of the drives fail the test one or more of...

Страница 112: ...ARD ERROR FIXED d a ta l I t ia e HARD OISK NOT READY ERROR FIXED Id a ta l I t ia e HARO OISK READ ERROR F1XE0 d a ta I t ia e HARO OISK ERROR J Figure 4 16 Fixed Disk Drive Error Messages Monochrome...

Страница 113: ...o tto m to top T h is H in a m i l l s t a r t a t th e b o tto m o f the page end s c r o ll to th a to p o f th e page Mian fin is h e d i t s h o u ld be d i r e c t ly above th a Lin a mhare i t s...

Страница 114: ...la ye d on the screen Figure 4 20 CRT RAM Test Screen ___ CRT ATTRIBUTES S everal lin e s each dem onstrating one or e com bination o f a ttrib u te s such as normal vid eo in verse video b lin k in g...

Страница 115: ...a t the b o tto a o f the pege and ic r o l l to the top o f the page When fin is h e d I t should ba d ir e c tly above the lin e where I t s ta rte d Figure 4 23 Scroll Test Screen _GRAPHICS 320X200...

Страница 116: ...NNNYWNNNNNNNNNNNNNNNN WNNNNNNNNNNNNNWNNNNNNNNNNNNNNWNNNWNNNNNNNNN WNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN WNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN Figure 4 25 320 by 200 Graphics Second C...

Страница 117: ...s the pen is tested before the next screen is displayed COLOR data t i n COLOR CRT ERROR V___________________________________________________ Figure 4 28 Color Display Error Message Screen Peripherals...

Страница 118: ...T ERROR I f applIcabLa diacannact p r ln ta r o ab la ra ta a t PERIPH data Itla a PRINTER ERROR Chack fo r p r ln ta r out o f papar ra ta a t j Figure 4 30 Peripherals Error Messages Tape Drive Test...

Страница 119: ...pond to any prompts from this selection The cycle continues until you cancel it by pressing the F4 key A continuous flow of the screens is displayed until the tests are halted Any errors found are wri...

Страница 120: ...e driveyoudesignate Makethis selection with caution itisadestructive operation It erases all data on the selected fixed disk and prepares it for new use see Figure 4 34 You can cancel your choice by p...

Страница 121: ...election causes the system to print the error logfile to your printer This gives you a hard copy of the errors logged during a diagnostics run You may now want to choose selection 3to clear your error...

Страница 122: ...a Test Module to the Main Menu The system displays a screen see Figure 4 37 with blanks You must fill in the blanks with the required information You have the option ofdefiningthe selection numberfor...

Страница 123: ...stem displays the Delete Tests Menu Screen see Figure 4 38 Atthis screen you can Pg Up and Pg Dn topagethrough the available selectionsjust as in the Main Menu After you enter the number of the select...

Страница 124: ...n nuaber and Entar to d e la te eodule Figure 4 38 D ele te a T e s t M o d u le S creen Run All Tests You can press the F7 keyto run all the tests once or you can press the F8 key to run all the tes...

Страница 125: ...Appendix A Keyboard Functions OWNER S MANUAL A 1...

Страница 126: ...y p ew riter Keys C urso r M o vem en t K eypad l 1 N um eric K eypad M1 1 II llE1 L E 0 0 D 0 III IIH1 Lt_ IMMI 000Q E UUL Ctfl Dl J pQOp H H H u rt 1 L o c iip 0 T 1 7 1 H o m o s 0 0 l 1 s i n 0 0...

Страница 127: ...sor from end of one line to beginning of next Also used to enter commands Referred to as Enter key or Carriage Return C R Lc p 0 Lock Capital Lock Locks alpha keyboard in uppercase mode Does not acces...

Страница 128: ...ive in NCR DOS 9 key is activated when number lock is toggled C 0 Cursor Right Moves cursor one character to the right with each stroke Deletes characters it passes 6 key is activated when number lock...

Страница 129: ...lts AC Frequency 59 60 6 Hz Power 116 watts maximum 2 5 amp maximum Cable Length Power 3 m Keyboard 1 m coiled cord extendable Parallel Printer 2 m RS 232 Serial Printer 2 m RS 232 Communication Cable...

Страница 130: ...parallel printer port Centronics 1 RS232C serial port 1 keyboard port Expansion Slots 8 slots third party compatible K e y b o a rd Data Transfer Mode bidirectiona serial Number of Conductors 4 wire...

Страница 131: ...MEMW 12 ADDRESS 19 12 MEMR 13 ADDRESS 18 13 IO W 14 ADDRESS 17 14 IO R 15 ADDRESS 16 15 DACK3 16 ADDRESS 15 16 DRQ3 17 ADDRESS 14 17 DACK1 18 ADDRESS 13 18 DRQ1 19 ADDRESS 12 19 BDACKO 20 ADDRESS 11 2...

Страница 132: ...11 Equipment check configuration 12 Memory check configuration 13 Diskette I O 14 RS 232 I O 15 Cassette I O 16 Keyboard I O 17 Printer I O 18 ROM BASIC 19 Bootstrap 1A Time of day 1B Crtl Break contr...

Страница 133: ...elect 2 15 Ground 16 Motor On 17 Ground 18 Direction Select 19 Ground 20 Step 21 Ground 22 Write Data 23 Ground 24 Write Gate 25 Ground 26 Track 00 27 Ground 28 Write Protect 29 Ground 30 Read Data 31...

Страница 134: ...5 10 9 DATA3 Output 6 9 11 DATA4 Output 7 8 13 DATA5 Output 8 7 15 DATA6 Output 9 6 17 DATA7 Output 10 5 19 A C K Input 11 4 21 BUSY Input 12 3 23 PE Input 13 125 SLCT Input 14 17 2 AUTO FDXT Output 1...

Страница 135: ...OFF ON ON OFF Numeric Coprocessor Installed Numeric Coprocessor Not Installed OFF ON SWA Function 1 2 3 4 5 6 System Board Memory 64Kx1 64Kx1 64Kxt 64Kx1 256Kx1 0 0 0 64Kx1 64Kx1 256Kx1 256Kx1 256Kx1...

Страница 136: ...ON OFF ON ON 192 KB Second 64 KB expansion OFF OFF ON ON 256 KB Third 64 KB expansion ON ON OFF ON 320 KB Fourth 64 KB expansion OFF ON OFF ON 384 KB Fifth 64 KB expansion Expansion Memory Board Switc...

Страница 137: ...SYSTEM SWITCH SETTINGS SW1 Numeric Co Processor ON Closed Graphics 40x25 installed ON Closed Monochrome Mono Graphics 80x25 OWNER S MANUAL C 3...

Страница 138: ...OFF OFF B 256 K 0 0 0 OFF ON C 256 K 256 K 64 K 64 K ON ON D 64 K 64 K 256 K 256 K ON OFF ON Closed 1 A 4 fSe 7 9 0 0 0 0 ON Closed Serial Port Enabled ON Closed Parallel Port Enabled ON Closed 2 3 4...

Страница 139: ...ter allows parts of a computer which ordinarily don t fit together to be connected ADDRESS Data is contained in the devices which make up your computer s internal and external memory and the registers...

Страница 140: ...symbolic codes into machine instructions item for item and produces as an output the same number of instructions or constants that were defined in the input symbolic codes ASYNCHRONOUS Characterizing...

Страница 141: ...The term is synonymous with physical record The block is normally composed of one or more logical records or a portion of a logical record BPI Abbreviation for bits per inch The standard measure for t...

Страница 142: ...tions which will cause a computer to perform a particular process COMMAND An instruction which tells the operating system what youwant to do COMMUNICATION ADAPTER A hardware component that is hardwire...

Страница 143: ...R SYSTEM The physical equipment and instructions i e hardware and software used as a unit to process data It includes the central processing unit CPU its operating system and peripheral equipment and...

Страница 144: ...ocedures used to identify and isolate problems within the computer or its peripherals DIRECTORY A list of file names kept on each disk or diskette DISKETTE Athin flat piece offlexible plastic which lo...

Страница 145: ...t types of monolithic memory It can be programmed in the field by the user and it can also be erased and reprogrammed with different information Once it has been programmed the EPROM memory acts just...

Страница 146: ...ch contains no data FORTRAN An acronym for FORmula TRANslator A high level program ming language used to perform mathematical scientific and engineering computations FUNCTION Any activity of the compu...

Страница 147: ...set up diagnostics I ILLEGAL CHARACTER A character or combination of bits which is not accepted as a valid or known representation by the computer INDICATOR A device which registers a condition in the...

Страница 148: ...ILOBYTE A kilobyte is 1024 bytes It is commonly abbreviated as K and used as a suffix when describing memory size in computers Thus 24K really means a 24 x 1024 24 576 byte memory system L LANGUAGE A...

Страница 149: ...to a specified number of machine language instructions 2 A machine lan guage instruction that is composed of several micro instructions MEMORY The storage facilities of the computer capable of storin...

Страница 150: ...instruction code used to specify the operations a computer is to perform OUTPUT 1 Data transferred from a computer s internal storage unit to some storage or output device 2 The final result of data p...

Страница 151: ...bits along with the numerical bits PASCAL BLAISE 1623 1662 A French mathematician who built the first desk calculator type of adding machine in 1642 This device repre sented the numbers from 0to 9 wi...

Страница 152: ...tand and obey The processofplanning the procedureforsolvinga problem This may involve among other things the analysis of the problem prepara tion of a flowchart coding of the problem establishing inpu...

Страница 153: ...again on the tape in a cartridge so that it is uniform in tension throughout the reel ROM An acronym for Read Only Memory Nonerasable permanently programmed memory usually used to store monitors I O...

Страница 154: ...it nor a blank e g plus sign equal sign asterisk dollar sign comma and period START STOP A mode of operation of a tape drive in which the data are transferred in blocks during which the tape runs and...

Страница 155: ...other country 2 A point at which information can enter or leave a communication network TRACKS A series of concentric rings on a disk or diskette Data can be written to or read from the tracks by the...

Страница 156: ...of being stored in one storage location WORD LENGTH The number of bits or bytes in a word WRITE 1 The process of transferring information from the computer to an output medium 2 Tocopydata usually fr...

Страница 157: ...ain processor board 3 3 memory expansion chips 3 17 monochrome display 3 9 3 12 numeric coprocessor 3 22 printer 3 24 3 25 Address registers 1 11 ALGOL 1 18 Arithmetic and logic unit ALU 1 10 ASCII 1...

Страница 158: ...c c o...

Страница 159: ...adapter board 3 11 Communication devices 1 9 1 10 Compilers 1 18 Connecting your computer 2 3 2 4 Controller board data table B 3 Cursor 2 9 2 16 Cursor keys 2 16 2 17 Data files 1 14 1 16 Density dis...

Страница 160: ...interrupts B 4 keyboard 2 7 2 11 2 12 models 2 5 options 3 1 technical data for B l High level languages 1 18 How to connect printer 3 25 expand memory 3 19 insert boards 3 5 install options 3 1 inst...

Страница 161: ...16 3 17 external 1 12 internal 1 11 loss of 1 13 recording data in 1 11 1 13 size 1 11 1 21 1 24 2 7 3 17 Microprocessor 1 6 1 7 2 7 Model numbers list of 2 5 Monochrome adapter board 3 9 Monochrome...

Страница 162: ...2 11 buying 2 8 2 11 definition of 1 14 diagnostic 4 3 4 7 installing 2 11 optional 2 11 program development 2 8 source language 1 15 sources 2 11 system 2 8 Source code 1 15 1 16 1 18 1 20 Specificat...

Страница 163: ...21 power on 2 9 printer 4 21 tape drive 4 22 Tests run all 4 28 Troubleshooting 4 7 Turning on your computer 2 9 Typewriter keys 2 15 Unpacking your computer 2 2 Utility programs 4 3 4 23 Write prote...

Страница 164: ...3...

Страница 165: ...d Use Minor Improvement Fair should Have Major Improvements ______________ _____________________________________________________________________ Poor Should Be Completely Changed _ _ _ ________ ______...

Страница 166: ...M A ILE D IN THE U N ITED STATES BUSINESS REPLY CARD FIRST CLASS PERMIT NO 2 LIBERTY SC POSTAGE WILL BE PAID BY ADDRESSEE NCR CORPORATION Personal Computer Division Quality Assurance Manager 1150 Ande...

Страница 167: ...o BEJ NCR Corporation Dayton Ohio 45479 150 0000952...

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