NCR PC4I Owner'S Manual Download

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OPTIONS INSTALLATION

Figure 3-26 Serial and Parallel Port Receptacles

Serial Port

The 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 MODE command to enable the port for a serial printer.

Switch 3

Explanation

serial port enabled

OFF

serial port disabled

3-24

OWNER S MANUAL

Summary of Contents for PC4I

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 34: ...c c...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 96: ...c o...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 158: ...c c o...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 164: ...3...

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

Page 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...

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

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