_· · . 2NirH -� - data systems · . THE QUI'.LITY GOES IN BEFORE THE NAME GOES ON - PERSONAL COMPUTER SYSTEMS N I � ......
r.' REGULATORY AND REGISTRATION INFORMATION WARNING - This equipment has been certified to comply with the limits for a Class device, pursuant to Subpart J B computing of Part 15 of FCC Rules. Only peripherals (computer input/output devices, terminals, printers, etc.) certified to comply with the Class B limits may be attached to this computer. Operation with non-certified peripherals is likely to result in interference with radio and lV reception.
Z-170 PC Portable Computer Owner's Manual / 7ENirH data � systems
limited Rights Legend Contractor is Zenith Data Systems Corporation of St. Joseph, Michigan 4 9085. The entire document is subject to Limited Rights data provisions. Trademarks and Copyright IBM, IBM PC, and PC-DOS are registered trademarks of the International Business Machines Corporation. MS-DOS is a registered trademark of Microsoft. Z-100 and Z-OOS are trademarks of Zenith Data Systems Corporation.
Contents Introduction ........................................................... . Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 General Care and Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Opening and Closing the Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Shoulder Strap Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Contents Setup Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .. . . . . . . . . .. . . . . .. ... 42 Clock 43 Display .. . . .. . . . .. . . . .. .. .. .. . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Start-Up . ... .. .. .... ........ .. .. . .... .. . .... .. .. ..... .. .... . . . . . . 45 Printer/Serial Port . . . . ... . . . . . . .. . . .. . . . . . . . . . . . . . . . . . . . . . . .. . . ... 46 Modem . . . . . . . . .. . . . . . . . . . .. . .
1 Introduction Congratulations on your purchase of Zenith Data System's new state-of the-art personal computer, the Z-1 70 PC Portable Computer. Your new lightweight, briefcase-size computer is truly portable, weighing less than comparable models, and conveniently transportable with its over the-shoulder strap. It's the right size to carry between home and office and small enough for carry-on luggage on the airlines.
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3 Operation In this section, we'll cover some basic points in caring for your computer. We'll get to know the computer by taking a look at the controls, switches, inputs, disks, and disk drives. We'll take a look at the keyboard and discuss the keys and their functions. Then we'll cover some of the operating proce dures. General Care and Handling • • • Keep the portable computer dosed when it is not in use and be sure the power switch is off.
4 Operation Opening and Oosing the Computer To open the computer: Press the front edges of the keyboard latches as shown. Gently swing the keyboard down. To dose: Swing the keyboard up. Hold it in its dosed position and slide the latches forward until they dick into place.
5 Operation Shoulder Strap Removal The doth shoulder strap is convenient for transporting the computer, but you may want to remove the strap when you use the computer at one location for a while. It's also easier to connect peripherals such as a printer or modem when the shoulder strap is removed. To remove the shoulder strap: Pull up on the latch on each side of the case as shown. Unhook the shoulder strap. 1.
6 Operation Getting to Know the Computer Front View Screen Your portable computer has a 25-line electroluminescent and liquid crystal display (LCD) that's compatible with the IBM PC® color graphics adapter in text and graphics modes. - The display has a back light, which you adjust to control the display inten sity. When the computer is on and a key has not been pressed for 10 minutes, the back light automatically goes off, thus prolonging the life of the internal battery.
7 Operation Right Side View On the right side you will find two floppy disk drives which are 5-1/4", double-sided, double-density drives. They have nine sectors/track, 362 kilobytes of storage, and are I BM-PC standard format. RED LED DISK A C C E S S I N DI C ATOR S The drive closer to the keyboard is drive A and the rear drive is drive B. Each has a red LED disk access indicator which lights when the com puter is attempting to read from or write to the disk.
8 Operation Rear Panel View The rear panel contains the device connectors. Some of the connectors are for optional accessories. They're listed here and the installation of these accessories is covered in Appendix A.
9 Operation RGB Video Out A high-resolution color monitor that uses red, green, blue, and intensity signals (RGBI) can be connected to the computer using this 9-pin D connector. NOTE: This requires installation of the optional Internal Color Video Card. - Composite Video Out Provides connection for an external mono chrome (black and white, black and green, or black and amber) monitor with a video output signal if you have installed the Internal Color Video Card.
10 Operation Left Side View Here's where you'll find the controls you will be using often. B A C K LIGHT DI A L B ATTERY P A C K A C A D A PT ER C O N N E CTOR Back light Dial - COM P ARTM E NT This dial adjusts the intensity of light behind the display to suit your environment and preference. It's also used as a contrast control to improve the visibility of the display screen. On/Off Switch - Push up to tum on the computer; push down to tum it off.
11 Operation A C A D A PT E R AC Adapter The AC adapter is shipped from the factory to operate at 120 VAC, 50/60 hertz. Have a qualified service technician change this setting if you wish to operate the AC adapter at 240 VAC, 50/60 hertz. WARNING: When using the AC adapter, always connect the adapter to the computer, and then connect the adapter to an AC power outlet.
12 Operation Memory: The Three Types Your computer comes with three types of memory chips. They differ in what they're for, how they store information, and how much of each is included. ROM - Read-Only Memory implies that the computer can read the con tents of these chips, but can't write anything new into them. ROM chips are permanently "burned" to hold information that the computer needs all the time.
13 Operation Disks General Your computer uses soft-sectored 5-1/4", double-sided, double-density floppy disks. Let's take a look at some basic items about these disks. STICK-ON LABEL WRITNOTCH E-PROTECT SPIN LE H LE 11;=--i•.;.;•·'"'·;.;.;·�.;.;.;· ""'·;;; '"'·;;.;·;;;; "'·i;. ---!:Y�iS�g�A�� As::FACE PLASTIC ENVELOPE ..___ · ;.-.. +�;;;; ;,;;;, ; ;;;; ·.·.;; ·.-.; ;,;;;, .·.;;; � ... ·.;;; .·.·.4 ;;J .·. L_ _ ·.·.· .·.-. · · · · · .·.·.· .·.·.· . ·.·.·.·.·.· . ·.·.· . ·. ·.·.· . ·.·.· . ·.·. . .·.
14 Operation You should always write-protect your most valuable disks. If the informa tion changes frequently, make routine backup copies of the disks with the DISKCOPY program on your MS-DOS disk and write-protect them. (Refer to page 19). Write-protect tabs usually are supplied with blank disks when you buy them. The only disks you'll encounter without the notches are some soft ware master disks. This keeps the masters from being changed in any way. Plastic Envelope unwrap it.
15 Operation Types of Disks There are three categories of disks: system, program, and data. A disk can actually hold system files, programs, and data all at once; but for convenience, it's best to divide your "software" into these three categories. System Disk The MS-DOS system disk is special for two reasons: First, you can boot from it when you turn the computer on.
16 Operation Disk Loading Your computer was shipped with protective cardboard inserts in the drives. Be sure these are removed before inserting a disk into the computer. (Save these inserts to use when you transport the computer.) If you are using your computer with the AC adapter: Connect the AC adapter to your computer and then connect the AC adapter power line cord to an outlet. (If you are using the optional battery pack, refer to Appendix A for installation instructions.
17 Operation To "load" the disk operating system, take the MS-DOS Distribution Disk I and insert it into drive A as follows: Press the middle of the drive door. The spring-loaded door will pop open. Insert the disk into drive A with the label side at the end, facing you, as shown. Slide the disk all the way in until it latches into place. If the disk does not slide into the drive easily, check the label on the disk. Make sure it's not interferring.
18 Operation Refer to the figure below and enter the new date and press RETURN. Then enter the time and press RETURN. Time: Date: year last 2 digits of year lOths of seconds* *optional entry The A> prompt should now appear, indicating that you've loaded MS-DOS into your computer. Entering the Time and Date Automatically Your computer contains a "real time" clock that keeps track of both the date and time automatically using the NVRAM (non-volatile RAM) mem ory.
19 Operation MS-DOS Backup Copy A backup copy might easily be called an insurance copy. It is a duplicate of a disk. Sometimes accidents happen - a disk is ruined or lost. If you have a backup disk, you won't be losing valuable informtion. To make a backup copy of MS-DOS to use as a "working copy," you'll need a blank 5-1/4", soft-sectored, double-sided, double-density floppy disk. Label the disk, "MS-DOS System Disk." (Write on the label before you put it on the disk.
20 Operation A disk that has been previously used can be reformatted, but remember: Formatting a disk erases everything on it! So be careful. Make sure you do not reformat a valuable disk by accident. Keeping Track of Disk Space It's a good idea to keep track of the available space on your disk. Otherwise you may labor for hours on a document, only to find there isn't room to save the information on the disk.
21 Operation Keyboard Overview This section of the manual will describe the general nature of the keyboard, which is designed to duplicate the functions of Z-100 PC keyboards. The layout is as similar as possible within the design constraints of a lap-model computer. There are keystrokes and sequences of keystrokes that are unique to this computer. The following chart compares the keystrokes of the Z-100 PC Keyboards with the Z-170 PC Keystrokes.
22 Operation The previous chart shows that the left Shift key performs the standard shift functions; while the right Shift key, when used with the dual function keys (Arrow Keys, Num Lock, and Delete) selects the upper functions of those keys. That way, both the shifted and unshifted functions of those keys can be generated. Because of the multitude of tasks your computer can do, some keys per form a variety of tasks. There are also a few keys that are unique to this computer.
23 Operation Icons I o I� I a I�� The icon keys initiate the functions that make this computer much more than a basic lap-top computer. Most of the icon functions are available without booting MS-DOS, in other words, no disks are involved. Some of the icons have two different meanings. This depends on what you're doing when you press them. See the text that follows for details. Clock/Calendar Icon I o I Pressing this key takes you to "home" base, the World Map display.
24 Operation Another common use of the Disk Icon is to get back to a program after interrupting it by pressing some other icon. For instance, suppose you are running WordStar and you press the Calculator Icon to do some figuring. Pressing the Disk Icon will return you to WordStar. The same is true if you interrupt a pro gram to use a modem; pressing the Disk Icon will return you to the original program. Calculator Icon Pressing this icon activates the four-function cal culator.
25 Operation Function Keys The function keys make up the row above the icons. They are labeled Fl through FlO. Fl F2 F3 F4 F5 F6 F7 F8 F9 FlO Function keys are used for special purposes by some programs. In addi tion, when the World Map display is active, the computer also uses these keys to perform tasks such as changing the active calendar date, moving the Time Zone display, and calling up the Setup Menu. The meanings appear on the bottom line of the display over the function keys.
26 Operation Alphanumeric Keys These are the letter, number, and punctuation mark keys that are similar to their typewriter counterparts. Some of these keys also have secondary meanings. Those with small blue numbers are used as part of the calculator keypad after the Calculator Icon has been pressed. They can also be used for typing numbers while running a program, like a spreadsheet. This is a function of Numeric Mode. A few of the alphanumeric keys have unique computer uses.
27 Operation Tab/Back Tab - Moves the cursor to the next tab setting. Modifier Keys The Shift, Ctrl, and Alt keys are called "modifier keys" because they modify, or change, the meaning of some other key. The modifier keys are always used in conjunction with another key. They don't do anything when used alone. Shift - There are two Shift keys on the keyboard ; a right Shift key and a left Shift key. Normally, when the Shift key is pressed, you get capital letters, symbols, and extra punctuation marks.
28 Operation Program Keys Basically, "program keys" have meaning only to business programs that are designed specifically to use them. However, these type of programs, such as spreadsheets, are becoming quite common. Refer to the program documentation to see if and how it uses the program keys. Arrow Keys These are also called "cursor keys. " The arrows on these four keys indicate the direction the cursor will move when you press them.
29 Operation ::.=.·!'=;·.! }\ Scrol l �;�! ! Lock :',•· ' , , ,., ���SE : - Scroll Lock/Num This key has the Scroll Lock effect when used with the right Shift key and the Num effect when pressed alone. Scroll Lock: This is used by some spreadsheets to keep the cursor on the same screen line, while moving the whole spreadsheet, instead of the cursor. To get this effect, Shift and Scroll Lock/Num are pressed simultaneously. Scroll Lock can be canceled by pressing Shift and Scroll Lock a second time.
30 Operation Special Keys Generally, these are keys with additional labels printed on their front edges. In all cases, this front-edge meaning is activated by pressing the special key simultaneously with the Ctrl key. Pause When pressed at the same time as the Ctrl key, this command freezes the display of text on the screen. - ��TSC� Prt Sc (Print Screen) When pressed simultaneously with the Ctrl key, this key sends whatever is onscreen to the printer.
3i Operation r+ll � Break The Break command, when used simultaneously with the Ctrl key, is used to stop certain programs as they're running. For example, if you begin a Diskcopy routine only to realize that you can't find the disk you want to copy, enter Break to quit. The A> prompt will return. Break is useful in stopping Type commands when you've seen enough. Generally, it is used with MS-DOS commands and not business programs. - Most business programs don't respond to Break keystrokes.
32 Operation Calculator Your computer includes a four-function, 1 6-digit calculator that may be used while an application program is running. To activate the calculator at any time, simply press the Calculator Icon. To return to a program from the calculator, press the Disk Icon. Otherwise, press the Clock Icon to return to the World Map. The result of a calculation can be stored in a special Memory Value that can later be transferred to another program, such as a word processor or data base.
33 Operation Following is a brief explanation of each key. n Digit keys, 0 through 9 - The space bar can also be used as a zero key. �EJ Plus key - For addition. Minus key - For subtraction. Multiply key - For multiplication. Divide key - For division. Decimal point key - For the placement of a decimal point. Equal key - For obtaining the results of operations. The result may be used in subsequent calculations.
34 Operation Memory Plus key For adding an entry to the Memory Value. Can also be used instead of the equal key to finish a calculation while adding the result to the Memory Value. - Memory Minus key For subtracting an entry from the Memory Value. Can also be used instead of the equal key to finish a calculation while subtracting the result from the Memory Value. - Memory Recall key in calculations. Memory Clear key to zero.
35 Operation Display Symbols The calculator displays standard mathematical symbols: + , , x , -:- , and The only symbols that may be unique are: + M, - M, x M , -:- M which mean the Memory Recall (MR key) was used to bring the Memory Value into a calculation. MY means "the current Memory Value is ... ". * ERROR* signifies that an error has occurred. You may have typed or calculated a number longer than 16 digits or entered a sequence of keystrokes that the computer can't understand.
36 Operation Mathematical Examples The following examples illustrate the key sequences involved in a variety of common calculations. CATLYCPUELAOFTION EXAMPLE KEYSTROKES DISPLAY ADDITION/ SUBTRACTION 5 1 2 +22 -32 u tJ u [] [) [) [J [] [) � 3 MULTIPLICATION 1 2 X 1 2 X3.14 1 0 0 +6 22.+ 32.- 2 5 0 2 .= tJ [J � tJ [J � [J LJ tJ [J � 3 D I VI S I O N 5 1 2. • • tJ u u . [J EJ rJ I 4 1 2. 1 2.x 3.14x 452. 1 6 = 1 00. 6. I 1 6 . 6 6 6 .. .
37 Operation T Y P E OF CALCULATION EXAMPLE REPEATED ADDITION 9 +5 +5 +5 DISPLAY K EYSTROKES 9. 5.+ 1 4. = 5.+ 1 9 .= 5.+ 24.= REPEATED SUBTRACTION 150 -13 -13 -13 1 50. t:J CJ LJ [] t:J u E:J E:J E:J 1 3. 1 37.= 1 3 .- 1 REPEATED MULTIPLICATION 1 7 9.00 x.20 66 0.89 x .2 0 3 3.44 x . 2 0 1 2 4.= 1 3 .1 1 1 .= t:J [Q [J u [J [J LJ E:J � � D LJ [J [J E:J 7 1 II , 2 ' 0 s \ o - . 8 8 [] [] [] [] [] E:J 9 9 1 79. .2 X 35.8 = 660.89 .2 X 132. 1 78 = 33.44 .2X 6.
38 Operation T Y P E OF EXAMPLE CALCULATION D I S PL A Y K E YSTROKES 1 79. 1 7 9 . o o .;. 5 REPEATED DIVISION 6 6 0 . 6 9 .;. 5 3 3 . 4 4 .;. 5 N O T E : F O R C O N S T A N T D I V I S I ON WITH THE S A M E D I V I D E N D (I.e., A N U M B E R DIVIDED BY VARIOUS OTHER N UMBERS), STORE THE D I V I D E N D A S T H E M E M O R Y V ALUE WITH [iJ r::J & A S N E E D E D WITH PERCENTAGE ADD-ON A N D R E C A L L IT lvl � � � l] [] [J [J � S A L E S TAX O F 6 . 5 % ON S A L E OF $ 1 0 0 . 0 0 1 .
39 Operation T Y P E OF EXAMPLE CALCULATION K EYSTROKES D I SP L A Y 5. MEMORY CALCULATIONS I 3. X 1 5. = E X AMPLE 1. ( 5 x 3 ) + ( 6 .;. 2 ) - 7 MEMORY VALUE= 1 5 . 6. 2. I 3. = MEMORY VALUE = 1 8 . 7. MEMORY VALUE= 1 1 . NOTE: REMEMBER TO RESET THE M E M O R Y VALUE TO Z E R O WITH [J BEFORE STARTING NEW MEMORY CALCULATIONS. I E X AMPLE 2. u u tJ tJ (5. 1 1 +2.75)x(0.2-.099) rfl iKl Fl � fll t___J u t_j li2J u r:J 5. 1 1 2.757.86 MEMORY VALUE= 7.86 0.2 0.0990 . 1 0 1= 7.
40 Operation World Map Display This display is called "home base" because it's where you begin when the computer is turned on. The World Map display is also shown when you boot MS-DOS or change the Setup Menu.
41 Operation You can return to the World Map Display from the Appointment Calendar by pressing EXIT (FlO). If you were checking the schedule of a day other than the current day, pressing HERE/NOW resets the calendar. - By pressing either the F2 or F3 function key, you can select a day. The highlighted date on the calendar moves accordingly. These keys are not used to select the current date. - The F4 and FS keys control this function. They month.
42 Operation Setup Menu You call up the Setup Menu by pressing FlO when the World Map is displayed. Mav ' s M I w 1985 F s I 1 1 J ' 5 6 1 8 ' 10 1 1 1 1 1J " 15 16 11 18 1 9 10 11 EE 1J 24 25 16 11 18 " JD J1 :�ft . .. 12:18:20 pm SCHEDULE HERE/NOW SEIUP � 10 CLOCK PRINTER 1 4:22:00 07105184 24 hr. 19 Time: Date: Format: Time Zone: Type: PARALLEL Data bits: Stop bits: Parity: New York Caracas Handshake: DISPLAY MODEM Ext. Mono.
43 Operation Clock �� §.�,-�,��\��. ������� 07��51� � ����� CLOCK14:22 00 Time : : ��:�at: im 19 T e Zone: New York Caracas When you first turn your computer on, you'll have to set the time, date, and time zone. The only time you'll have to do this again is when you travel to other time zones. Bring up the World Map Display. Now press function key F6 (HERE/ NOW). This will "clear" the display. Next, press function key FlO for SETUP.
44 Operation The following table shows the 24 time zones the computer uses, along with representative cities or countries. (The cities and countries shown in parentheses are also representative of the area, but are not displayed on the screen.) The zone number reflects the offset in hours from Green wich Mean Time.
45 Operation DISPLAY Screen Saver: ON . Display Ext. Mono. Adapter (External Monochrome Adapter) - Usually set to OFF, except when you've added extra monochrome equipment. Screen Saver - Leave this ON for all normal situations. I START-UP Action: World Map Start-Up Action - Your choices here are the World Map Display or Boot. If you choose the World Map Display, you will see the World Map when you start up your computer.
46 Operation PRINTER Type: PARALLEL SERIAL PORT Baud rate: Data bits: Stop bits: Parity: Handshake: 1 200 8 1 None XON/XOFF Printer/Serial Port Because of the greater flexibility of the MS-DOS CONFIGUR program, this portion of the Setup Menu is not used when setting up your computer and printer. However, the items mentioned on this display are the same items you'll be considering when you use the CONFIGUR program. Basically, there are two types of printers, parallel and serial (Centronics type).
47 Operation Data bits - This is the number of bits the printer expects the computer to use for representing a letter or other character. For modern printers, 8 bits is normal. This number does not include stop bits, which are set separately. It does include the parity bit, which may or may not be used. Stop bits - This is what tells the printer that's the end of a character. The normal setting for this is 1. Occasionally a printer will require 2. Check your printer documentation to b e sure.
48 Operation MODEM Location: INTERNAL MODEM INTERNAL Baud rate: Data bits: Peri!Y : System version 2.0 1 200 8 None EXIT Modem Location - Your choices are Internal or External. Choose Internal if you're using the internal modem or External if an external modem is attached to the computer's serial connector. Internal Modem These items control your computer's optional built-in modem. They basi cally are chosen using the same considerations as you do when you set up a serial printer.
49 Operation Appointment Calendar The Appointment Calendar is a useful feature that helps you keep track of a busy schedule. There are 4,000 bytes of NVRAM (non-volatile mem ory) available. This is what the computer uses for storing appointments. If you have the optional modem installed, it shares this memory with the phone numbers that you have entered for modem operation.
50 Operation The four arrow keys in the lower right corner of the keyboard are used to move around the schedule display. The RETURN key can also be used to step through the time slots. The regular keyboard is used for entering text. When you are at the point in the schedule where you want to enter text, just begin typing. You can correct mistyped entries either by erasing the complete entry with the ERASE key or by using the DEL key in the upper-right corner to back up and erase a character at a time.
51 Operation When you've set the alarm for an appointment, the computer will beep five minutes before the appointment time. It will beep for 10 seconds or until you press the ESC key or until you press SCH EDULE to activate the calendar. If you don't do any of these things, the computer will beep once again every minute for ten minutes. After that, it cancels itself. The computer must be turned on for the alarm to work. EXIT - Press F l O to return to the World Map Display.
52 Operation Connecting Devices to Your Computer General VIDERGBO OUT �, COMP O S I T E VI D E OUT PARALLEOLR
53 Operation The serial connector may also be used with certain joysticks, mice, and graphics tablets. The software that comes with these devices should be written for PC-DOS or MS-DOS. The device itself must be designed to attach to the I B M-PC Asynchronous Communications Adapter (or equiva lent) serial connector. It should not come with its own circuit board for mounting inside the computer, nor should it be designed to hook up to an I BM-PC keyboard connector.
54 Operation Connector Pinouts Following are the pinouts for the cables. NOTE: An asterisk after the signal name indicates the signal is active on a low logic level. 13 Parallel Connector All signals are at TIL level. 1 � �'"'·.·.·.·.·.·.·.· ..·.·.·.·: � 25 1:� PIN NO. PRINTER STROBE 2 DATAO 3 DATA 1 4 DATA2 5 DATA3 6 DATA4 7 DATA5 8 DATA6 9 DATA7 10 ACK 1 1 BUSY 1 2 PAPER 1 3 SELECT A U T O FEED � 14 1 5 INIT 1 6 TIL level, except current loop.
55 Operation Expansion Bus Connector TIL level. Pins Al, 83, 85, 87, 89, and 829 are non-IBM standard. 5V and 12V are not supplied on the bus. All signals are at PIN NO. SIGNAL PIN NO.
56 Operation Printers There are four basic things to remember when you hook up a printer. • Make sure you have the right cable. • Use the CONFIGUR program to set the computer serial port (for serial printers) and set the printer's switches correctly. • Install your software for the printer, if necessary. • Be sure the printer power switch is on. Parallel Printer If you have a parallel or Centronics-type printer, all you need to do is connect your printer to the parallel connector on the computer.
57 Operation Your printer is hooked up correctly if the Directory is printed out. If any of the following conditions occur, check for these possible causes. • If you have a serial printer and the printing is not decipherable, check the baud rate settings of the computer and printer. They may be set to different rates. • If you have a parallel printer, and the printing is not decipherable, check for a defective cable. • No printing suggests it may be a bad cable. Also check that your printer is online.
58 Operation
59 In Case of Difficulty · Service and Warranty All Zenith Data System (ZDS) computer products, hardware and software, are designed to work together as a complete system. For proper operation, use your computer with other ZDS designed or approved accessories. Zenith Data Systems does not assume responsibility for improper opera tion that results from custom interfacing, custom software, or the use of accessories not approved by Zenith Data Systems. Your computer has been wired and tested at the factory.
60 In Case of Difficulty Automatic Tests at Power-Up The power-up checks are automatically made on the following when the computer is first turned on: • • • • • • • • • • • Central Processing Unit (CPU) Read-Only Memory (ROM) User Random Access Memory Interrupt Control and Timer Circuits Keyboard Microprocessor Disk Drive Read Disk Drive Seek Function Disk Controller Disk Direct Memory Access (DMA) Overrun Disk Cyclic Redundancy Check (CRC) Disk Address Mark The following is a list of messages tha
61 In Case of Difficulty t t t ERROR: Timer interrupt fai lure! t t + This message indicates the timing logic on the CPU board may have failed. Make sure the timer chip is properly seated. t t t DISK ERROR: Drive not ready! t t t t t + DISK ERROR : Seek fai lur e ! + + t These messages usually occur when you are attemping to boot an operating system. The cause is usually an open drive door or the disk being impro perly inserted in the system.
62 In Case of Difficulty Additional Troubleshooting Hints Nothing happens, no matter what keys you press. • Can be caused by many things. It will be necessary to reset the computer by holding the CfRL and ALT keys and then press the Insert/Delete at the same time. Computer won't operate. e Check the AC adapter connections, the wall socket, and the power switch. Unrecognizable screen display. o Check battery, it may be low.
63 Specifications Central Processor Unit (CPU) Processor . . . . . . . . . . . . . . Type . . . . . . . . . . . . . . . . . . . Clock Rate . . . . . . . . . . . . . System Monitor ROM . . . Memory . . . . . . . . . . . . . . . . . . lnpuVOutput Serial 1/0 . . . . . . . . . . . . . . Serial 110 Mode . . . . . . . . Parallel 110 . . . . . . . . . . . . Expansion . . . . . . . . . . . . . . Modem . . . . . . . . . . . . . . . . 80C88 CMOS 1 6-bit processor. 16 bit internal. 4.77 MHz.
64 Specifications AC Adapter Power Requirements . . . . . . . . . . . . . Environment Operating . . . . . . . . . . . . . . Storage . . . . . . . . . . . . . . . . . Humidity . . . . . . . . . . . . . . . Measurements Size . . . . . . . . . . . . . . . . . . . . Weight (two drives) . . . . . . . With internal modem . . . Battery Weight . . . . . . . . . . . . 90-132 VAC @ 45-63 Hz; 180-270 VAC @ 45-63 Hz. NOTE: This setting should only be changed by a qualified service technician. 50°-90°F (10°-32°C).
A. I Appendix A, Options General Disassembly The only time it will be necessary to disassemble the ZFL-17 1-42 Portable Computer is if you install an option, other than the battery pack. The following options are presently available. • • • • Battery Pack (ZA-1 70-1) Internal Color Video Card (ZA-1 70-3) 300/1200 Baud Modem (ZA-1 7 0-4) 256K Dynamic RAM Chips (Z-205-4) WARNING: Before beginning dissassembly of the computer, tum the com puter power switch OFF and disconnect the AC adapter.
A.2 Appendix A NOTE: The four screws which you will remove in the next step also secure the main logic board. Make sure the main logic board stays in position by not changing the computer's position. Using a Phillips screwdriver, remove the four screws which secure the back cover. Remove the two screws from the RGB connector. Lift off the back cover and set it aside. Refer to the appropriate section for installing your option.
A.3 Appendix A Battery Pack Installation To install the ZA-1 70-1 Battery Pack: Turn the computer so you are looking at the side with the battery pack compartment. (fhis is on the same side as the On/Off switch.) To open the battery pack compartment, squeeze the tab on the battery access door as shown in the inset below. Slide the battery pack in as shown. BATTE R Y To remove a battery pack: Release the battery pack from the computer by pushing the indicated tab.
A.4 Appendix A NOTES: 1. Never remove the battery pack from the computer while running a program. 2. Do not disconnect the AC adapter while running a program, even if the battery pack is fully charged. 3. To charge the battery pack, leave the computer connected to the AC adapter with the power switch OFF for 8 or more hours. (fhe battery pack cannot be "overcharged.") 4. When the battery needs to be charged, the computer will beep and a "Battery Low" message will occur on the video display.
A.S Appendix A Internal Color Video Card Installation The ZA-1 70-3 Color Video Card has a phono jack connector for connecting a monochrome monitor and a 9-pin D connector for connecting a color monitor. Two screws are also included to secure the connectors on the back cover after installation of the card. The AC adapter must be used with this option; it will not work with the internal battery pack. To install the video card: Remove the back cover from the computer. (See "General Disassem bly.
A.6 Appendix A 256K Dynamic RAM Chips Installation CAUTION: Many integrated circuits (!Cs) are electrostatic-sensitive and can be damaged by static electricity. Observe the following precautions when handling I Cs. • • Once you remove an I C or a circuit board from its protective foam packing, envelope, or computer, do not lay the IC or board down or let go of it until you install it in your computer. It may be necessary to straighten the pins on an IC so they line up with the holes in an IC socket.
A.7 Appendix A NOTE: Your package contains nine ICs. Set one IC aside in case future replacement is needed. Install eight I Cs as shown. MARK Change the setting on the jumper as shown . Reinstall the memory board and the back cover.
A.8 Appendix A 300/1200 Baud Modem lnstallation The ZA-1 70-4 Modem WI"II let you to u se a phone with your compu te< . To mstall the 300/120 0 baud modem·· Remove lhe back cover from the co mputer. (See "General Disassembly.") � Line up the contact pins n the main board and the modem board and carefully press the mo em board down onto !he main board. Reinstall !he back cover.
A.9 Appendix A The next step is to connect the computer to the telephone system. Some hookups will only require a piece of telephone cable with modular (stan dard RJll - C) connectors. You may need other items, depending on the hardware used in your phone system . To hook up a modular phone, either domestic o r commerical: Disconnect the modular plug from the telephone. D I S CONNECT MODULAR PLUG Install a duplex jack on the telephone. · .4-JI] I -__.
A.lO Appendix A JUNCTION BOX To connect a phone with a junction box o r 4-pin plug: Replace the j unction box with a modular jack. Each screw inside the jack will have two wires of each color attached to it. Add a "universal instant jack" to the phone socket. Plug the phone and modem cables into the universal jack. To connect the modem to a PBX system: Install a "Line One Tap" between the 24-pin connectors. Connect the modem cable to the tap. £3-- .
A.ll Appendix A 300/1200 Baud Modem Operation General Modems are a combination of hardware and software that let computers talk to each other over telephone lines. Using the built-in modem, your computer can call data bases, electronic bulletin boards, and other personal computers. Your modem has a unique feature: you can use the Phone Directory for automatic dialing of voice calls, not just modem (computerized) conver sations.
A.l2 Appendix A Letter Keys If you type a letter key while looking at the Directory Display, the cursor moves to the first entry in the list that begins with the letter you've typed. (fhis feature doesn't work when you're at the Update Display.) - The feature or function you choose is shown in reverse video.
A.l3 Appendix A Call Timer This does j ust what it says; it times calls. If you need to time the length of a phone call, you set the timer and when you're finished, you stop the timer. The computer, however, doesn't store this information; it's necessary for you to keep a record if you need to use the information in the future. This feature is useful for people like lawyers and consultants, and you can also use it to compare your record with bills from the phone company or data base service.
A.14 Appendix A Keyboard (F5) - Press this key when you want to manually enter a phone number from the keyboard. Redial (F6) Press this key to automatically redial the last number that was dialed, including a prefix (if one was used). This is especially useful when a number is "busy." This feature works even if the computer has been turned off between calls. - Hangup (F7) - Press this key when the dialing sequence is completed. With voice calls, press Hangup as soon as you pick up the telephone handset.
A. l5 Appendix A Update Display The Update Display looks alot like the Directory Display. You move the cursor around the display with most of the same keys: the Up and Down arrows and Return. The Letter keys do not work at the Update Display.
A.16 Appendix A The following keys are used to make entries. For now, a brief description for each is given; we'll give you a few more details in a while and a couple of examples to more fully explain their functions. 0-9 M p T w + ( ) For the actual phone number. Signifies a modem call. Indicates it's a telephone number for a phone in a "pulse" dialing phone system (the older rotary dialing phones). Used when part of the number is dialed in pulse, and then it switches to tone (pushbutton phones).
A.l7 Appendix A #1 and #2 (F3 and F4) - Use these keys to set the names and numbers in the special # 1 and #2 slots. These are the first two locations in the Directory Display. To enter a name and number at either of these locations, press either F3 or F4. The cursor will go to the upper left corner, ready to accept a name. Type in a name. If you're replacing a name, type over the old name with the new name. If the new name is shorter, replace the balance of the letters of the old name with spaces.
A.18 Appendix A Backing Up the Phone Directory The RAMBACK program is a utility on the Demonstration Disk that lets you make a backup copy of your phone directory. It also will read it back into memory if its ever needed. Backup copies of your phone direct01y should be made when the small battery used to power NVRAM is being changed or if your computer requires other servicing.
A.19 Appendix A added after the number allows for the necessary time span for the telephone to access a phone system (like MCl or Sprint) or to gain access to an outside line, such as when you dial 9 in an office situation. W equals 2 seconds, WW equal 4 seconds, WWW equal 6 seconds, etc. 4. W 5. M signifies a Modem call. Unless you put an M as the last character in a phone number, the computer assumes it's a voice call. It dials and tells you to pick up the handset. M is used with modem calls.
A.20 Appendix A 10. The built-in modem program was designed specifically for contacting remote computers and electronic bulletin boards. The computer's modem software does not allow you to send and receive disk files. For example, you cannot trade programs over the modem. When receiving text, the only way to capture it permanently is to use PRINT SCREEN repeatedly. When sending text, you must type it in on the keyboard during the call. The modem program does not answer calls from other computers.
A.21 Appendix A Modem "Hands-On" Experience The best way to learn how to use the modem is to use it. Let's go through the process of entering numbers and then telling your computer to dial a call for you. 1. First, tum o n your computer. I f the Start-Up Action o n the Setup Menu is set to World Map, the World Map appears. If not, press the Clock Icon to go to the World Map. 2. Press SETUP (FlO) to proceed to the Setup Menu. 3. Now press SKIP> 2 (F2) until the cursor is on Location under MODEM.
A.22 Appendix A 12. Now put the phone number you wish to call in the phone directory by pressing ADD (F5). Now type the name of the party. (Remember to use the DEL key to correct any typing errors.) Press RETURN. Now type the phone number, including the area code enclosed in parentheses. This can be any number up to 39 characters, including spaces. Now press RETURN and then EXIT (FlO) to get back to the main Directory Display. 13.
A.23 Appendix A 3. The computer will keep you informed of the dialing. If you get through (which is sometimes hard to do with busy bulletin boards), you'll proceed into communication with HUG's computer. Press the RETURN key until the bulletin board locks-in on your baud rate. If you don't get through, the "Waiting for signal" stays on the screen until you press HANGUP. You can then use REDIAL (F6) to try again in a moment. 4. After you've reached the HUG bulletin board, type I for instructions. 5.
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B.l Appendix B, Software Summaries This section of the manual contains the summaries of the operating system, MS-DOS and BASIC, along with code sequences for your Z-170 PC Series Computer. The Cross-Reference Keystroke Chart for the Z-100 PC Series and Z-170 PC Series and the Hayes Auto Dialing Protocol are also included. MS-DOS The following pages are a summary of the control functions and commands that are available while you are using MS-DOS.
B.2 Appendix B Control Functions KEY PRESSED EVENT Fl F2n F3 DEL F4n ESC INS FS F6 ALT-BREAK BACK SPACE CTRL-ALT-DEL CTRL-BREAK CTRL-C Copy one character. Copy all characters up to the character "n". Copy all characters in buffer. Skip one character. Skip all characters up to the character "n". Cancel current line; do not affect template. Enter or exit insert mode (toggle). Create new template. Insert EOF (lAH) in new template. Empty keyboard buffer. Backspace and delete character. Reset system.
8.3 Appendix B Syntax Notations FORM OR SYMBOL DEFINITION CAPITALS Required entry; enter the information exactly as shown. Names of keys; press the key(s) indicated. User entry. Drive name. Path name. File name. CAPITALS lowercase d: path filename fi lespec . ext command uni t keyword dev " s tring" /swi tch commen t I I CON PRN LPTl LPT2 LPT3 AUX COMl COM2 CLOCK$ > » < File specification: [ d:] (path] [filename) ( .e\1) . File extension . MS-DOS command. Hardware unit number.
B.4 Appendix B Commands APPLY [ - ) [d: ) [path) fi l ename " command" APPLY "comand" [ - ) [d: ] [path ] fi l ename External utility. Executes an MS-DOS command and substitutes parame ters according to material contained in the file specified. BACKUP [ ? ] [ [filespec [ + fi l espec . . . ) ) [d: 1 [filename] [ /swi tch . . . ] ] External utility. Creates a single backup file on one or more disks for one or more files. Back up files after da te.
8.5 Appendix B CHKDSK [d: ] ( fi l ename] [ / switch] External utility. Scans the directory of the default or designated drive and returns a report on the status and consistency of the disk. Switches: IF Fix correctable errors reported by CHKDSK. /v Display messages/directory during execution of command. CIPHER keyword >fil espec CIPHER keyword filespec2 External utility. Encodes (encrypt) or decodes (decrypt) files for security purposes. CLS Internal command.
8.6 Appendix B DATE [mm-dd-yy] Internal command. Display and/or change date. DEBUG fil espec [ parameters] External utility. MS-DOS debugger. A [addr] Functions: Crange addr D [addr] [ Lva J ] D [range] Eaddr [ l i s t ] Frange l i s t G [ = addrl ] [ addr2 . . . Haddr1 addr2 I va i L [addr [ drive recrec] ] Mrange addr Nfi lespec [ fi lespec . . . ] Oval byte Q R [reg] Srange l i s t T [ =addr] [ va l ] U [addr] [ L val ] U [range] W [addr [ drive rec rec] ] Assemble. Compare. Dump. Dump. Enter. Fill.
8.7 Appendix B ECHO [ON] [OFF] [message] Internal command. Control echo feature of batch processor. EDLIN fi 1 espec External utility. MS-DOS line editor. Commands: nA [ lnl ] [ , Jn2 ] D In E lni [ ln l ] [, Jn2 ] L Q Append n lines. Delete line(s). Edit line n. Exit EDLIN. Insert line ln. List line(s). Quit EDLIN. [ lnl ] [ , ln2] [ ? ] R [s tringl ] F6 [string2] [ ln l ] [ , ln2] [ ? J S [s tring] [n] W Editing: Fl or � F2n F3 DEL F4n ESC INS F5 Search and replace text. Search text.
8.8 Appendix B FOR %variable IN se t DO command Internal command. Branch command for batch processor. FOR.IIAT [d: ] [ /switch] External utility. Format a disk to receive MS-DOS files (9 sectors/track). /c Switches: Clear directory only; do not format. /M Single-sided format only. IN Suppress operator prompts. Include system files; make disk bootable. Is Verify; read after write; lock out bad sectors. /v Format 8 sectors/track. 18 GOTO label Internal command. Jump command for batch processor.
B.9 Appendix B MKDIR [ d: ] pa th MD [d: ] pa th Internal command. Create new directory path and directory. MORE
B.IO Appendix B PSCname External utility. Load printer driver into memory to allow graphics print screen dumps using CfRL-PRTSC. Names: IDS IDS prism printers. M PI printers. MP I MXBO Epson printers with Graftra:x<®. OKI Okidata printers. Printek 920 printer. P920 TS3 15 TranS tar 315 color printer. RDCPM [ ? ] [DIR d: [fi 1 especj [ /swi tch ] ] [ [d: 1 fi lespecl [d: 1 [fi lespec2] [ /switch ] ] External utility. Copy file(s) from CP/M formatted disk.
B.ll Appendix B RMDIR [d: ]pa th RD [d: ] pa th Internal command. Remove a directory path (must be empty). SEARCH [fil espec ] [ /swi tch] External utility. Locate file(s) on a disk and list directory structure. Do not search subdirectories. Switches: /c ID List names of directories being searched. IT Display directory structure. SET [ s tring= [ s tring] ] Internal command. Set, change, or clear value in system environment. SHIFT Internal command. Shift batch parameters one position .
B.12 Appendix B ASCII Codes The following table is a decimal (DEC) to hexadecimal (HEX) code conversion table of the ASCII codes your computer can generate. The KEY column represents the key you would press to obtain the code illustrated. The CHAR column represents the accepted acronym or letter in the ASCI I standard. Since you cannot obtain many of the first thirty-one codes by pressing a single key, the control key combination is shown in the CfRL column. A brief description is given for each code.
8.13 Appendix B ASCII Code Conversion (continued) DEC H EX CHAR 23 24 17 18 ETB CAN 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 19 lA IB IC lD IE IF 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 31 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F EM SUB ESC FS GS KEY # $ % & ( ) * * I I 0 I 2 3 4 5 6 7 8 9 0 I 2 3 4 5 6 7 8 9 < < > End of transmission block. Cancel (CANCL). Cancels current escape sequence.
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8.15 Appendix B ASCII Code Conversion (continued) DEC H EX CHAR KEY 106 107 108 109 110 111 1 12 113 114 115 116 117 118 11.9 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 6A 68 6C 6D 6E 6F 70 71 72 73 74 75 76 77 78 79 7A 78 7C 70 7E 7F 80 81 82 83 84 85 86 87 88 89 8A 88 8C 80 8E 8F 90 91 92 j k j m n m n 0 0 p p q q s t u s t u v v X X z z k I w y { } CfRL w y I DEL { } I DELETE . .. DESCRIPTION Letter j.
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8.19 Appendix B Z-1 70 PC Keyboard Codes The following table illustrates codes returned by Z-100 PC Series computer hardware. Operating systems and program languages (such as MS-DOS and GW-BASIC) will not receive the same information; the hardware codes will be intercepted and converted. For most keys, the value received will be the least significant byte of the key code. For instance, 2 C7AH would be received as 7AH.
8.20 Appendix B Keyboard Codes, Hardware Generated (continued) KEY u I 0 p [I{ )/} RETURN CTRL A s D F G H J K L ;I: ,I , I 1- (Left) SHIFT "-... I z I X c v B N M , !< .
8.21 Appendix B Keyboard Codes, Hardware Generated (continued) KEY F4 F5 F6 F7 F8 F9 FlO NUM LCK SCROLL LCK KEY HOM E / 7 (Up) I 8 PGUP / 9 (Left) I 4 5 (Right) I 6 + END / I (DOWN) / 2 PGDN / 3 INS / 0 DEL / .
B.22 Appendix B NOTES: 1. CfRL-PRT SC causes the contents o f the screen to b e printed. 2. CfRL-NUM LCK causes the running program to pause until another key is pressed. 3. CfRL-BREAK is used to break (abort) a program. This key sequence sends a special key code of OOOOH. 4. ALT-BREAK is used to empty the type-ahead buffer. 5. Special keycodes can be entered directly by pressing and holding the ALT key, and then entering the three-digit keycode (in decimal) on the numeric keypad.
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B.24 Appendix B Hayes Auto Dialing Protocol Commands Each command in the Hayes auto dialing protocol follows the same format, as shown below, except for the N command which is described later. " ' < Command>{Argument} { = n} {More} <> Indicate that these "fields" must be included as part of the command line. { Indicate that these "fields" may not be necessary as part of the command line. } AT Attention code to let the modem know a command will be following. Must be in capital letters.
B.25 Appendix B Command Function A Immediately answer an incoming call. N Perform the last command issued again. For instance, can be used to redial a number if the previous command was dialed. C Argument (n) n 0 or 1 (default 1) CO turns the carrier signal off; C1 turns the carrier signal on. D Argument (n ... n) n 0-9, * , #, P, R< T, ;, , Dials the phone number expressed by the argument. The number will be dialed with either tones or pulses depending on how the last number was dialed.
B.26 Appendix B Command Function F Argument (n) n 0 or I (default I) Similar to previous command, but only active when another modem is con nected. Determines if characters are echoed while online. FO is on, half-duplex; FI is off, full-duplex. H Argument (n) n 0 or I (default 0) HO means onhook or hang up phone; HI means offhook or pick up telephone. = = = Argument (n) n tion code.
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INDEX # 1 an d #2 keys (Directory Display), A 1 3, A.1 7 #1 and #2 keys (Update Display), A l 4 , A 1 6 , A l 7 2 5 6 K Dynamic RAM Chips installation, A6 300/1200 Baud Modem installation, AS operation, A 11 A> prompt, 18, 25 AC adapter, 1 1 , 62, A4 connector, 1 0 requirements, 1 0 , 1 1 , 64, ADD function key (phone), A.
1.2 Index Battery pack, A3 charging, A.4 compartment, 10, A.3 installing, A3 run down, A4 Baud rate internal modem, 48 standalone modem, see serial port serial port, 46 serial printer, 46 Black and white composite video, see Monitors and Video Graphics Adapter Boot disks, automatic 15, 17 Booting, first time, 1 6 general procedure, 16 Start-Up Action (Setup Menu), 45 BREAK KEY, 31 Bulletin Board services, A l l , A22 Bytes Free Message, 49, A.
1.3 Index Clock/calendar display, 40 see also World Map Display Clock, setting time, 43 Clock Icon, 23, 32 Closing the computer, 4 Color monitor, see RGB and Monitors Commands aborting (Break), 3 1 entering, 2 6 see also Programs Composite video monitors, see also Monitors and Video Graphics Adapter Computer care, 3 Connecting the computer to phone system, A.
1.4 Index Devices (printers, etc.), 3 see also Connectors, Setup Menu, and individual device DIAL function key (phone), A. l 3 Dial, viewing angle, 1 0 Dialing phone numbers, A.l 4 delays, A.l 6 , A.l 9 from keyboard (example), A22 from keyboard (details), A. l 7 tone and pulse, A.l6, A. l 8 see also Directory Display and Update Display Digit keys (Calculator), 33 Dimensions, 64 Directory Display (phone), A.l2 adding names/numbers, A.l2, A.l4, A.l7, A.22 changing names/numbers, A.l 4 dialing from, A.
1.
1.
1.7 Index Input/Output terminal, A. l 4 Input/Output specifications, 6 1 I n Case o f Difficulty, 5 9 I nternal Video Card, 9, 5 3 , A.S see also Monitors INSERT/DELETE key, 29 resetting with, 29, 57, 62 I nsert mode, 27, 29 Inserting disks, 13, 17 I nitial Start-Up, 15 I nternal Color Video Card I nstallation, AS I nterrupt Control and Timer Circuit test, 60 joysticks, 53 jumper settings, A.7 Keyboard dialing, A.I 4 , A.22 Keyboard, 21 alphanumeric, 26 calculator keys, 32 dialing from, A.
1.8 Index Memory plus key (Calculator), 34 Memory recall key (Calculator), 34 Memory value (Calculator), 34, 35, 39 transferring to a program, 34 Messages, see Error messages Mice, 53 Minus key (Calculator), 33 Modem Icon, see Phone Icon Modem, Internal, 48 Setup Menu options, 48 wiring to phone system, A.9 see also Modem Program Modem, External, see Serial Port Modem Program, A.21 activating and leaving, Al4, A.l 5 , A.21 adding numbers, A.l 4 , A.21, A.22 and Setup Menu, 48, A.21 calling, A.l 4 , A.
1.9 Index MV (Calculator), 35 see also Memory Value Naming files, 20 Negative numbers, example, 38 Networks, I Non-volatile RAM (NVRAM), 12, 49, A.13, A.18 NUM/SCROLL LOCK key, 27, 29 Number keys, 32 Numeric mode, 26, 27, 29 On/off switch, 10 safety considerations, 3, I I Opening the computer, 4 Opening the disk drives, 1 7 Operating systems, general description, 1 5 Options, A . I battery pack, A. I, A.3 Internal Color Video Card, A. I, A.5 300/1200 Baud Modem, A. I, A.8 256K Dynamic RAM Chips, A.
1.10 Index deleting, A. l 4 memory usage, 1 2 , 49 Pinouts expansion bus, 55 parallel connector, 54 serial connector, 54 Plotter, 52 Plus key (Calculator), 33 Plus sign ( + ) special character (phone), A.l6, A.l 9 Power requirements, 6 4 Power switch, see On/Off switch Prefix, entering, A. l 6 with keyboard dialing, A.12, A. 1 3 PREFIX key (Directory Display), A.12, A.l 3 PREFIX key (Update Display), A.l6, A.
1.11 Index RETURN key, 26 with Appointment Calendar, 50 with Directory Display, A I I RGB color monitors, 9 , 53 see also Monitors and Video Graphics Adapter RIGHT key, see Arrow keys RJI I C (phone) connector, 8, 52 see also Connectors and Modem ROM, 1 2 test, 6 0 RS-232C, 8 see also Serial Saving data, A.
1.12 Index SHIFT command, 27 SHIFT key, 27 with function keys, 25 Shoulder strap removal, 5 Shoulder strap replacement, 5 Signals, see Pinouts SKIP function keys, Special keys, 30 Specifications, 63 Starting the computer, see Booting and Resetting Start-Up Action (Setup Menu), 45 Stop bits, 4 7 internal modem, 48 serial port, 47 Subtraction example, 36, 37 Switch, on/off, 1 0 System disks, 1 5 see Boot disks System files, 1 5 System prompt, see A > prompt T = Tone special letter (modem), A l 6, A.
1.13 Index UPDATE function key (phone), A.l 4 Upper and lower case letters CAPS LOCK, 26 SHIFf, 27, 29 Viewing angle dial, 6, 10 Voice calls, A l l , A.l3, A.14 W = Wait special letter (phone), A.
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fl ;J'f"''N 1 data systems H EATH IMPORTANT NOTICE Demonstration Disk Instructions A demonstration disk has been provided with your new Zenith Data Sys tems microcomputer. This disk contains a program that displays text and graphics, illustrating the features and capabilities of your microcomputer. To run this demonstration program, insert the disk into the default boot drive. The default boot drive is the one closest to the front of the microcom puter. Power up the computer.
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_7tNITN j data systems H EAT H IMPORTANT NOTICE Please write in the following note at the bottom of Page A.4 in your Owner's Manual. 6. When using the computer with the optional battery pack, the "Battery Low" message may occur on the video display during initial bootup and drive access. This is a normal operating characteristic.
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. ... _7ENII'N 1 data · systems H EATH IMPORTANT NOTICE The text on the attached pages replaces the information on pages A.6 and A.7 in Appendix A in your Owners Manual.
A:6 Appendix A 256K Dynamic RAM Chips Installation CAUTION: Many integrated circuits (ICs) are electrostatic-sensitive and can be damaged by static electricity. Observe the following precautions when handling lCs. • Once you remove an lC from its protective foam packing, envelope, or computer, do not lay the IC or board down or let go of it until you install it in your computer. • It may be necessary to straighten the pins on an IC so they line up with the holes in an IC socket.
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A.7 Appendix A KEY: LEF l : JUMPER INSTALLED RIGHT: JUMPER ON INSTALLED LEFT TWO PINS. ON RIGHT TWO PINS. UP: JUMPERS INSTALLED ON TOP FOUR DOWN: OPEN: JUMPERS NO INSTALLED JUMPER ON PINS. BOTTOM FOUR PINS. IN STALLED; OR JUMPER ON ONE PIN O N L Y. POSSIBLE CONFIGURATIONS C H I P SIZE I N Kl lDBYrES FOLLOWI NG BANKS OF MEMORY JUMPER SETIINGS .IMP E D r: - - · s B - JM P .
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