Epson Equity I User Manual
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- Epson Equity I | User Manual - Page 1
EPSON® Equity™ I User's Guide - Epson Equity I | User Manual - Page 2
OF WARRANTY Epson Corporation makes no representations or warranties, either express or implied, by or with respect to anything in this manual, and shall change without notice. TRADEMARKS Epson is a registered trademark of Epson Corporation. Equity is a trademark of Epson America, Inc. IBM and IBM-PC - Epson Equity I | User Manual - Page 3
the manufacturer's instructions, may cause Stock No. 004-000-00345-4. Note: If the interference stops, it was probably caused by the computer or its peripheral devices. To further isolate the problem Epson peripheral devices, you can obtain the proper shielded cable from your dealer. For non-Epson - Epson Equity I | User Manual - Page 4
- Epson Equity I | User Manual - Page 5
17 Using Epson printers with the Equity special character set 17 Dip Switches Settings 18 Dip switch functions 18 Using your Equity 21 Powering Up 21 The initial screen display 22 Inserting and Removing Disks 23 Resetting the Computer 24 Using Disks 25 How - Epson Equity I | User Manual - Page 6
A Troubleshooting A-1 The Computer Fails to Start Up A-1 The Video Display Does Not Appear A-1 The Computer Hangs Up or Freezes A-2 Floppy Disk Problems A-2 Software Problems A-3 Printer Problems A-3 Option Card Problems A-4 Hard Disk Problems A-4 B Specifications - Epson Equity I | User Manual - Page 7
keys 14 2-5 Printer placement 16 2-6 Printer connection 17 2-7 Location of DIP switches 18 2-8 DIP switch functions 19 3-l Inserting disks 23 4-l Write-protect notch 28 5-l Back panel screws 32 5-2 Side screws under plastic inserts 32 5-3 Removing cover 33 - Epson Equity I | User Manual - Page 8
/graphics video card l RGB color monitor. And you can connect your Equity to any one of 16 Epson printers. Check with your Epson dealer from time to time to find out which external devices and option cards are available. You can use most of the cards designed for the IBM@ personal computer on your - Epson Equity I | User Manual - Page 9
to load your software disks, refer to the manuals that come with your software applications to learn how to use them. If you have used MS-DOS before on another computer, you will find that it works the same on your Equity. You may want to refer to your Equity MS-DOS manual, however, for the special - Epson Equity I | User Manual - Page 10
Your System It won't take you long to get your Epson Equity personal computer up and running. This chapter shows you how to set up the computer and peripherals and make any necessary adjustments. Unpacking When you unpack your Equity, you should find the following items: The main unit and power cord - Epson Equity I | User Manual - Page 11
your Equity is deciding where to locate it. Whether you use your computer at home or support the weight of all its components. A flat, hard surface. Soft surfaces like beds and carpeted floors attract static electricity, which can actually erase data from your disks and cause problems in the computer - Epson Equity I | User Manual - Page 12
on top of it with the keyboard directly in front (leaving enough space to insert disks into the disk drives). Figure 1-1. System arrangement Of course, if you have special computer furniture or want to customize your setup, you can arrange your Equity components to suit your own particular needs. 5 - Epson Equity I | User Manual - Page 13
Panel Before you connect your system components, take a quick look at the rear panel to familiarize yourself with the locations of the various Equity input/output ports. Figure 1-2 shows where you connect the various peripheral devices. WARNING: Do not connect the power cord until you have connected - Epson Equity I | User Manual - Page 14
watts. Power cord. Supplies electrical power to the computer. Always turn the power switch OFF before you plug or plotter. Option card access slots. The Equity has space for three option cards (which control special devices such as a mouse card or hard disk controller. You do not need to use any of - Epson Equity I | User Manual - Page 15
drive LED lamps. A red light indicates that the drive is being accessed. Slot for optional disk drives, You can insert a second floppy disk drive or a hard disk drive in this optional slot. All Equity units come with at least one floppy disk drive. The main unit above is shown with a second floppy - Epson Equity I | User Manual - Page 16
drive protector sheets A cardboard sheet occupies the disk slot in the floppy-disk drive. This sheet is inserted at the factory to out this sheet. Save the protector sheet and reinsert it whenever you move the computer, even if you are just moving it to another part of the room. If you are not - Epson Equity I | User Manual - Page 17
your system is set up on computer furniture. The exact procedure for connecting your monitor depends on the model you have. Refer to your monitor manual for detailed instructions. Here are some basic guidelines for connecting your video monitor to the Equity main unit: 1. If necessary, connect the - Epson Equity I | User Manual - Page 18
set correctly for the type of monitor you have. 5. If you have trouble getting a display, check that the brightness and contrast controls on the monitor power switch. Make sure it is ON. Connecting the Keyboard Once your Equity main unit and video monitor are connected, you can connect the keyboard - Epson Equity I | User Manual - Page 19
With the front of the main unit facing you, open the cover at the lower right front corner. Insert the keyboard connector as shown in Figure 2-2. Do not force the connector, but make sure you insert it all the way See that the cable exits to the right of the main unit. Gently push the cable into the - Epson Equity I | User Manual - Page 20
Figure 2-3. Adjusting the keyboard legs To disconnect the keyboard, open the cover on the main unit and press down on the retaining clip to release the cable. Lift the tab on the connector, and pull it straight out from the main unit. Special keys The dark gray keys have special functions and are - Epson Equity I | User Manual - Page 21
. Referred to as the backspace key. Connecting your Printer Your Equity has serial and parallel interfaces built-in. You can easily connect a serial or parallel interface. Parallel interface The parallel connector on the Equity is a Centronics compatible con- nector but uses a DB-25 socket, - Epson Equity I | User Manual - Page 22
are not sure which cable you need, consult your dealer. 3. One end of the printer cable has a 25-pin male D-connector. (Refer to your printer manual to determine which end this is.) Connect this end to the socket marked PARALLEL on the back panel of the main unit. If the plug - Epson Equity I | User Manual - Page 23
an adapter to connect it to the computer. To connect your serial device, follow SETUP utility (or the MODE command in the SETUP utility) to make these changes. See your MS-DOS manual for instructions on how to use these commands. Using Epson printers with the Equity special character set The Equity - Epson Equity I | User Manual - Page 24
you upgrade your system at a later date-by adding a second disk drive for example-you may need to alter the switch settings. computer, but a program may not operate properly if it finds the settings do not match the hardware. The DIP switches are located underneath the cover below the floppy disk - Epson Equity I | User Manual - Page 25
describe the various possible settings for your DIP switches. SWITCH II RAMSIZE MONITOR 256 KB 512 KB OTHERS MONOCHROME COLOR@0 x OFF Figure 2-8. DIP switch functions Switches 1-5 (memory size)-tell your computer how much memory is available. The system always checks the amount of memory when it - Epson Equity I | User Manual - Page 26
is very important. If you only have one drive, set this switch ON (UP) so the operating system knows to provide help when a second disk drive is normally used. If you have two floppy disk drives, set this switch OFF (down), so the operating system does not ignore the lower drive. Switches 9-10 - Epson Equity I | User Manual - Page 27
drive protector sheets in the disk drives. 2. Do not attempt to dismantle any part of the computer. You should only remove the top cover to install and remove option cards. If there appears to be a hardware problem that you cannot solve after reading the Troubleshooting section, or if you wish to - Epson Equity I | User Manual - Page 28
above, you see: INVALID PARTITION TABLE FOUND Refer to your MS-DOS manual for instructions on how to prepare your hard disk for use. The computer is now ready to load an operating system from a disk in the upper drive. If you have a hard disk, and it has been set up to start MS-DOS, this - Epson Equity I | User Manual - Page 29
pops out. Carefully pull out the disk, place it in its protective envelope and store it properly. Note: You need to format your blank floppy disks before you can use them with your operating system. Refer to your MS-DOS or other operating system manual for instructions on how to format your blank - Epson Equity I | User Manual - Page 30
floppy disk drives. Switch the Equity off with the power switch under the hinged flap at the top right of the front panel. Wait for 5 seconds, then switch it back on. WARNING: Some applications programs perform certain procedures whenever you exit the program properly. If you reset the computer in - Epson Equity I | User Manual - Page 31
Chapter 4 Using Disks The disk drives in your computer let you store your work and programs on removable floppy disks for future use. All Equity systems have at least one floppy disk drive; others may also have a hard disk drive, either built-in or as an external unit. The disk you insert in the - Epson Equity I | User Manual - Page 32
. Choosing Floppy Disks for the Equity The Equity uses floppy disk drives that are double-sided, doubledensity, soft-sectored, 48 TPI (Tracks Per Inch) certified track units. These disks are compatible with those used for the IBM PC. You can use disks prepared and used with one computer on the other - Epson Equity I | User Manual - Page 33
, you should also take the following precautions: l Never attempt to open the hard disk unit. The disk itself is enclosed in an air-tight container to protect it from dust. l Never turn off the power to the computer or hard disk unit when the SELECT lamp is ON. This LED indicates that the hard - Epson Equity I | User Manual - Page 34
master disks supplied with your Equity, you should make backup copies to use, and keep the originals in a safe place-away from your working disks. With data disks, you should make up-to-date backups regularly (preferably daily), and keep them apart from the originals. Your MS-DOS manual describes - Epson Equity I | User Manual - Page 35
disk you place in the drive (A) to the computer's memory. Then it prompts you to insert the disk for drive B. It copies from memory to the B disk disk drive with MS-DOS, see your MS-DOS manual. Using a Hard Disk Drive The internal hard disk which comes with certain configurations of the Epson Equity - Epson Equity I | User Manual - Page 36
you can use it. If you are using a hard disk other than Epson's, follow the preparation instructions provided with your hard disk. Before you can use the Epson internal hard disk, you must do four things to prepare it: l Format the entire hard disk with the MS-DOS program HDFMTALL. l Partition it to - Epson Equity I | User Manual - Page 37
Option cards are accessories that can be added to the computer to provide extra capabilities. Examples of option cards you may want to purchase are: l Memory expansion card . Auto-dial modem l Mouse card. Up to three option cards can be installed in the Equity at one time, but one position is always - Epson Equity I | User Manual - Page 38
a Phillips screwdriver, and put them to one Screws Figure 5-1. Back panel screws 3. The top cover is secured by two screws on each side of the computer as shown in Figure 5-2. With the back of the unit facing you, the two screws on the left side of the unit are covered by - Epson Equity I | User Manual - Page 39
installed in a specific slot. Check the option card manual to find out if the option card has to be in a screw and washer to secure the option card to the computer. 2. Unpack the option card and adjust any switches or instructions. Some devices have delicate CMOS chips that should not be touched. 33 - Epson Equity I | User Manual - Page 40
of the retaining bracket into the corresponding notch at the back of the computer. Figure 5-4. Option card installation 5. Once the connector pins are sitting in it straight. 6. Secure the retaining bracket to the frame of the computer with the small screw and washer. Long option cards are held in - Epson Equity I | User Manual - Page 41
to the position of the option card. 1. Hold the back panel of the computer with the inside facing you. The individual access slot covers are held in position by the back of the main unit facing you, hold the cover over the computer with the side feet to the left of the main unit and the front - Epson Equity I | User Manual - Page 42
the metal access plate before replacing the cover of the computer. When you have reassembled the unit, snap in the plastic access slot cover. Remember to reset any DIP switches if necessary. Some option cards which support devices like hard disk drives need special commands to be included in the - Epson Equity I | User Manual - Page 43
the beginning of this chapter. The procedure to install the Epson 256K expansion card is as follows: 1. Remove the corners with the com- ponent side to the right (facing the disk drive units). 4. Lower the card into position and push it computer as previously described and reconnect the system. 37 - Epson Equity I | User Manual - Page 44
switches under the panel beneath the disk drives to tell the computer how much memory is available. 7. Turn ON the computer. You should see a message confirming the amount of memory in the machine. If this is not correct, check the DIP switch settings and reset the computer. If it is still incorrect - Epson Equity I | User Manual - Page 45
(see the operating system manuals), or resetting the computer. Most of the minor difficulties you might encounter can be resolved by one of the suggestions below. If none of these solve the problem, consult an Epson dealer about servicing the computer. WARNING: If the computer has to be turned OFF - Epson Equity I | User Manual - Page 46
accordingly. 2. If the computer remains locked up, follow the reset sequences described in Chapter 5. Floppy Disk Problems There are many kinds of disk problems that could occur, and just as many reasons for them happening. If you are having trouble with your disks, check the following questions - Epson Equity I | User Manual - Page 47
these do not work if the disk has been writeprotected. Software Problems There are various kinds of software problems, more so than there are disk problems. If you are having trouble with a piece of software, here are some of the basic problems, and the troubleshooting procedures that you can use to - Epson Equity I | User Manual - Page 48
the computer. Option Card Problems If you have installed an option card and get unexpected results, double-check the following points: 1. Is the option card installed correctly? 2. Did you follow the set up and operating instructions described in the option card manual? Hard Disk Problems Hard-disk - Epson Equity I | User Manual - Page 49
B Specifications CPU and Memory %-bit CPU Main memory ROM 8088 microprocessor, 4.77 MHz clockrate 256k or 512k; expandable to 640k 16k Controllers Video/Graphic Disk DMA Interrupt Control/Timer Printer I/O Serial I/O IBM compatible monochrome and color/graphics controller Double-density floppy - Epson Equity I | User Manual - Page 50
, +5VDC, + 12 VDC, -12 VDC, 115 VAC, 55 w Mass Storage Capacity Single/Dual 51/4-in. floppy disks, double-sided, double-density, multiple format 360K per disk Optional 5% in. hard disk, 20 MegaBytes Keyboard Layout Detachable, two positions, 83 sculpted keys 56-key QWERTY main keyboard, 17-key - Epson Equity I | User Manual - Page 51
Equity disk or file kept in case your working copy is damaged. Baud rate The number of signal/data bits that can be transmitted per second during serial communications: it should be the same for the two communicating devices. Bit All computer information-whether words, figures or program instructions - Epson Equity I | User Manual - Page 52
CPU The unit inside a microcomputer that processes data and performs calculations. Device A piece of equipment forming part of a computer system such as disk drives, monitor, printer and so on. DIP switch One switch on a set of small switches (on the front panel of the com- puter) which give - Epson Equity I | User Manual - Page 53
disk drive into sections for use by different operat- ing systems. Port A connector for one of the computer's interfaces. Program The complete sequence of computer instructions to the Equity with very little difficulty. Serial A method of communications between two pieces of computer equipment in - Epson Equity I | User Manual - Page 54
Software The programs you run on your computer. System disk A disk containing the files which make up the operating system for the computer. C-4 - Epson Equity I | User Manual - Page 55
17 video monitor 11-12 Caps lock key 15 Centronics compatible connector 15 Character C-1 Chip C-1 CMOS 33 Color graphics connectors 11 video card 1 Components, arranging 5 Computer See Equity Concurrent DOS 22 Configuring C-1 Contrast control, monitor A-1 Index-l - Epson Equity I | User Manual - Page 56
18-20 DIP switches 8, 36-37, C-2 built-in interfaces 18, 20 floppy disk drives 18-20, 29 functions 18-20 label 19 location of 18 memory size 18-19 25 floppy, blank 23 for Equity 26 how work 25 inserting and removing 23 magnetic surface of 26 problems A-2 system 21-24 type 26 using 25 write- - Epson Equity I | User Manual - Page 57
1 Equity cable connections 11-18 components, arranging the 5 disk drive See Disk drive disk See Disk electromagnetic interference 4 environmental conditions 4 front panel 7-8 main unit See Main unit main unit cover 31-33, 35-36 operating system 22-24, 29-30, C-3 packing materials 3 personal computer - Epson Equity I | User Manual - Page 58
21, 26, 29 problems A-2 Format floppy disk 23 hard disk 30 Formatting C-2 Front panel, Equity 7-8 GW-BASIC 15 Hard copy C-2 Hard disk drive 21-22, 25, 36 care of 27 internal 29-30 partition 30 problems A-4 Hardware C-2 HDFMTALL 30 HDFORMAT 30 HDPART 30 HDSIT 27 IBM-PC 1 character set 17 diskette - Epson Equity I | User Manual - Page 59
36-38 MODE 17 Modem 17 auto-dial 31 Moderate environment, for disks 27 Monitor 1, 21, 31, A-1 arranging 5 brightness and contrast A-1 cable A-2 color, RGB 1, 3 connecting the 11-12 display 12, 21, 24, A-1 Epson 3 external device connector 35 monochrome 1, 3 power switch A-2 video card 1, 3 video - Epson Equity I | User Manual - Page 60
port 6-7, 16 Partitioning C-3 Peripherals 2, 21, 31 devices 6 Physical chracteristics, Equity depth B-2 height B-2 weight B-2 width B-2 Plastic inserts 32, 36 Port 22, 24, A-1--A-2 Printer 16 cable 16-17 interface B-1 problems A-3 Program C-3 Protector sheets, disk drive 9, 21 PUSH button 23 Index-6 - Epson Equity I | User Manual - Page 61
port, RS-232C 17 Software C-4 Software problems A-3 Special character set 17 Special keys, Equity 14-15 Squeeze locks 17 System arrangement 5 disk C-4 testing message 22 Tab key 15 Troubleshooting A-1--A-4 Unpacking the Equity 3 Video monitor See Monitor Write-protect disks 27-28 notch 23 tab 28-29 - Epson Equity I | User Manual - Page 62
Problems: Should your Epson product prove defective during this period, you must promptly notify your Epson Dealer or an authorized Epson Service Center the date of original purchase, to your Epson Dealer or to an authorized Epson Service Center. Epson America, Inc. will, at its option, repair or
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EPSON
®
Equity
™
I
User’s Guide