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®
EPSON
EQUITY® 386/33 PLUS
User’s Guide
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IMPORTANT NOTICE DISCLAIMER OF WARRANTY Epson America makes no representations or warranties, either express or implied, by or with respect to anything in this manual, and shall not be liable for any implied warranties of merchantability and fitness for a particular purpose or for any indirect, special, or consequential damages. Some states do not allow the exclusion of incidental or consequential damages, so this exclusion may not apply to you COPYRIGHT NOTICE All rights reserved. No part of th
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Important Safety Instructions 1. Read all of these instructions and save them for later reference. 2. Follow all warnings and instructions marked on the product. 3. Unplug this product from the wall outlet before cleaning. Use a damp cloth for cleaning, not liquid cleaners or aerosol cleaners. 4. Do not use this product near water. 5. Do not place this product on an unstable cart, stand, or table. 6. Slots and openings in the cabinet and the back or bottom are provided for ventilation; these ope
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12. Except as specifically explained in the User’s Guide, do not attempt to service this product yourself. Refer all servicing to qualified service personnel. 13. Unplug this product from the wall outlet and refer servicing to qualified service personnel under the following conditions: A. When the power cord or plug is damaged. B. If liquid has entered the product. C. If the product does not operate normally when the operating instructions are followed. Adjust only those controls that are covere
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Contents Where to Get Help . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Chapter 1 Using Your Computer .............. 1-1 ................... 1-2 Special Keys on the Keyboard ................. 1-4 ....................... 1-4 Resetting the Computer .................... 1-6 Using a Power-on Password .................... 1-7 Using Disks and Disk Drives ..................... 1-7 How Disks Store Data ................... 1-9 Types of Diskette Drives .......... 1-12 Caring for Diskettes and Dis
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Chapter 3 Accessing Internal Components 3-2 ......................... 3-5 ..................... Removing the Subassembly 3-9 ..................... Replacing the Subassembly Replacing the Cover .......................... Chapter 4 lnstalling and Removing Options .......................... Main System Board 4-4 .................... Changing the Jumper Settings ....................... Setting the Jumpers 4-7 ......................... Replacing the Battery ...................... 4-11 Installing an O
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Installing or Removing a Drive in the Horizontal Position . . . Installing a Drive in the Horizontal Position . . . . . . . . Removing a Drive From the HorizontaI Position . . . . . 5-26 Appendix A Specifications CPU and Memory ....................... A-2 ........................... A-2 ............................ A-3 ......................... Mass Storage A-3 .......................... Keyboard ............................ A-4 A-4 ................ Physical Characteristics A-4 .................
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...................... Floppy Disk Diagnostics Performing the Tests ..................... ................. Floppy Disk Error Messages B-23 ..................... Miscellaneous Diagnostics Printer Adapter Test. ..................... ................ Communication Adapter Test B-25 ..................... Exiting System Diagnostics Appendix C Troubleshooting Identifying Your System ...................... Error Messages ............................ C-5 The Computer Won’t Start ..................... C
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Introduction This Equity® 386/33 PLUS User’s Guide contains the information you need to get the best results from your computer. You’ll find instructions for adding options to your system such as disk drives, option cards, or a math coprocessor, as well as general reference information such as how to use diskettes, test your system, and troubleshoot minor problems. Note For instructions on setting up your system or changing the SETUP configuration, see the Setup Guide. You don’t have to read eve
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If you purchased your computer in the United States, Epson America provides local customer support and service through a nationwide network of authorized Epson dealers and Service Centers. Epson also provides the following support services through the Epson Customer Resource Center at (800) 922-8911: cl Technical assistance with the installation, configuration, and operation of Epson products cl Assistance in locating your nearest Authorized Epson Reseller or Service Center Ll Sales of ribbons,
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Chapter 1 Using Your Computer This chapter briefly describes the following procedures for using your computer: Q Copying the Reference and Utility diskette files CI Using special keys on the keyboard LI Stopping a command or program 0 Resetting the computer Q Using a password 0 Using disks and disk drives LI Preparing a hard disk for moving. These instructions assume you have already installed the operating system on your computer according to the instructions in your operating system manuals. C
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The Reference diskette also contains files for the System diagnostics program. Because you should always run this program from the Reference diskette, do not copy these files to your hard disk. The Utility diskettes contain VGA drivers that allow you to display graphics in certain high-resolution modes. If you want to use any of these extended modes on your VGA monitor, copy any VGA files you need to your hard disk. See the VGA Utilities Guide for instructions. Note Be sure to make backup copies
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Special key functions (continued) Purpose Key [wl Works with other keys to perform special (control) functions, such as editing operations in MS-DOS and various application programs. [ul Works with other keys to enter alternate character codes or functions. Moves the cursor back one space, deleting the character to the left of the cursor. Ends a line of keyboard input or executes a m command. Turns the Insert function on and off. Iml @iEl Deletes the character marked by the cursor. Control curso
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The [Qpllodrl, [=I, and [s#d] keys work as toggles; press the key once to turn on a function and again to turn it off. When the function is enabled, the corresponding light in the upper right comer of the keyboard is on. Stopping a Command or Program You may sometimes need to stop a command or program while it is running. If you have entered an MS-DOS command that you want to stop, try one of the following commands: 0 Hold down the [cbll key and press [cl CI Hold down the [cbll key and press m.
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Caution Do not reset the computer as a means to exit a program. Some programs classify and store new data when you exit them in the normal manner. If you reset the computer without properly exiting a program, you may lose data. To reset the computer, the operating system must be either on the hard disk or on a diskette in drive A; so if you do not have a hard disk, insert the system diskette in drive A. There are two ways to reset the computer: 0 If you are using MS-DOS, hold down a and m and pr
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Using a Power-on Password If you set a power-on password when you ran the SETUP program, you must enter it every time you turn on or reset the computer. Follow these steps to use your password: 1. If you do not have a hard disk, insert your system diskette in drive A. 2. Turn on the computer or press RESET. After the computer completes its memory test, the screen displays the following prompt: Enter Password : 3. Type your password at the prompt. The screen does not display the characters you ty
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Using Disks and Disk Drives The disk drives in your computer allow you to store data on disk, and then retrieve and use your stored data. This section explains how disks work and tells you how to: Use different types of diskettes and diskette drives Care for your diskettes and diskette drives Write-protect diskettes Use a single diskette drive system Insert and remove diskettes Format diskettes Make backup copies Use a hard disk drive. How Disks Store Data Diskettes are made of flexible plastic
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A disk is further divided by sectors, which can be visualized as pie slices. The figure below provides a simple representation of tracks and sectors. Double-sided, double-density diskettes have either 40 or 80 tracks on each side, and double-sided, high-density diskettes have 80 tracks on each side. Diskettes can have 8,9,15, or 18 sectors per track. A hard disk consists of two or more platters stacked on top of one another and thus has four or more sides. In addition, a hard disk has many more
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Your computer uses the read/write heads in a disk drive to store and retrieve data on a disk. To write to a disk, the computer spins it in the drive to position the disk so that the area where the data is to be written is under the read/write head. A diskette has an exposed area where the read/write head can access it. Because data is stored magnetically, you can retrieve it, record over it, and erase it just as you play, record, and erase music on a cassette tape. Types of Diskette Drives The f
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0 720KB drive-Use 3½-inch, double-sided, doubledensity, 135 TPI, 720KB diskettes. These diskettes contain 80 tracks per side, 9 sectors per track, and hold up to 720KB of information (approximately 300 pages of text). Cl 360KB drive-Use 5¼-inch, double-sided, doubledensity, 48 TPI, 360KB diskettes. (You can also use single-sided, 160KB or 180KB diskettes.) These diskettes contain 40 tracks per side and 8 or 9 sectors per track. With 8 sectors per track, a diskette holds up to 320KB. With 9 secto
