Epson Equity LT-386SX Operation & User’s Manual

Text of Epson Equity LT-386SX User Guide:

• Epson Equity LT-386SX, 2. Is the diskette write-protected? If the write-protect switch is set, first make sure the diskette does not contain files you do not want to change or lose. Then try moving the switch to remove the write protection. (Ordinarily, it’s a good idea to leave program diskettes write-protected, but some programs don’t work properly on write-protected diskettes.) 3. Try formatting a blank diskette to determine if the diskette drive is operating properly. If you cannot format a diskette, contact your Epson dealer. Diskette Drive Problems If you are having problems with the internal or external d

• Epson Equity LT-386SX, Start and end head numbers The program displays the following prompts for the starting and ending head numbers: Start Head number ? End Head number ? Enter the first and last head numbers on which you want to perform the tests. The default for the start head number is 0, and the default for the end head number is one less than the highest head number of your hard disk. The default end head number for a 20MB disk is 3. The default end head number for a 40MB disk is 4. After you specify the hard disk paramete

• Epson Equity LT-386SX, Bad track list The program displays the following prompt for the bad track list: Mark Bad Tracks (Y/N) ? Entering the bad track list is optional. If you respond Y to the above prompt, you see the following menu in a pop-up window: Add an entry Revise an entry Delete an entry Clear Bad Track list Save and Exit You do not need to enter a bad track list for the hard disk that comes with the Equity LT-386SX. When you execute the Media Analysis test, the program automatically marks the bad tracks when it formats the hard disk. Start and end cylinder numbers The program displays the following prompts f

• Epson Equity LT-386SX, Extension A suffix of up to three characters you can add to a filename. External command A command MS-DOS stores in a program file. The FORMAT command, for example, is stored in the file FORMAT.COM. To perform an external command, MS-DOS must be able to find the appropriate program file. External commands are distinguished from internal commands (such as DIR or ERASE), which are not stored in separate program files. File A group of related pieces of information (sometimes called records or entries) stored together on a disk. Text files consist of words and sentences. Program files c

• Epson Equity LT-386SX, The standard DIP switch settings are appropriate whether your computer uses the LCD or an external color monitor and whether your computer uses only the internal diskette drive or also uses a hard disk drive and an external diskette drive. If you plan to keep this standard setup, continue with the instructions in this chapter. If your system does not match this configuration, you need to change the appropriate switches as described in Appendix A before you begin. If you plan to modify your computer by attaching an external mon

• Keyboard Scan/ASCII Codes Print Screen (SYSRq) Scroll Lock Num Lock Home t Page Up F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 ** ** 29 ** 0C 47 48 49 0C 3B 3C 3D 3E 3F 40 41 42 43 44 85 86 ** 60 ** 2D EO EO EO 2D 00 00 00 00 00 00 00 00 00 00 00 00 ** No codes - Ignored System Diagnostics D-41

• Configuration The particular arrangement of the hardware components of your computer. Your configuration, for example, might include a printer and an internal modem, as well as your hard disk and diskette drive. Control code A character (generated by holding down the Ctrl key and pressing another key on the keyboard) that instructs the computer to perform a specific

• Appendix D System Diagnostics This appendix describes how to use the diagnostics program to test the condition of your computer’s main unit and peripheral devices. The diagnostics program provides tests to check the following hardware: LI System board LI Memory Cl Hard disk drive LI Diskette drive 0 Keyboard 0 Video adapter board and monitor CI Printer and

• 8 Inserting the Install Diskette Follow these steps to insert the MS-DOS Install diskette: 1. Hold the diskette with the printed label facing up and the arrow pointing into the diskette drive, as shown below. Insert the diskette in the drive so that it clicks into place. When the diskette is all the way in, the release button pops out. For more information on inserting, removing, and caring f

• Epson Equity LT-386SX, Interface A hardware or software connection used to transmit data between equipment or programs. Internal command A command, such as DIR or ERASE, that MS-DOS does not store in a separate program file. You can execute internal commands from any drive or directory. Kilobyte (KB) A unit used to measure storage space in a computer’s memory or on a disk. One kilobyte equals 1,024 bytes. LCD Liquid Crystal Display. A form of flat panel display. LED Light-emitting diode. An indicator light like those used for the LT-386SX battery and external diskette drive. LIM EMS 4.0 Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory Specification-a protocol that allows certain application

• Epson Equity LT-386SX, Diskette Format This test checks the format of the floppy disk controller and drive. It does not format the diskette for any particular operating system. This test destroys all data on the diskette. Drive Speed Test This test verifies how fast the floppy drive rotates a diskette. Your internal, 1.44MB, 3 ‘/ z-inch diskette drive should rotate the diskette at 300 rpm, allowing a tolerance of one percent. An external, 1.2MB, 5 ‘/+-inch diskette drive should rotate a 1.2MB diskette at 360 rpm a

• Epson Equity LT-386SX, Processor Speed Test This test identifies the CPU clock speed and displays a message similar to this: Measure CPU speed in Megahertz = 16.00 Coprocessor Test This test checks the math coprocessor. If the math coprocessor is not installed, you see this message: Numeric Data processor not present. DMA Controller Test This test performs read/write tests on the memory address registers and page registers of DMA controller 1 and 2. During the test, you see this message: Testing Programmable DMA Controller. When the test completes successfully, you see this message: Programmable DMA Controller test passed OK. D-14 System Diagnostics

• Epson Equity LT-386SX, Using the Parallel Interface The computer’s Centronics-compatible parallel interface provides a 25-pin, D-shaped female connector. Most Epson printers have parallel interfaces. To connect a printer to the computer, you need an IBM PC-compatible printer cable. If you’re not sure which one you need, consult your Epson dealer. Once you have a printer cable, follow these steps to connect your printer to the parallel interface labeled PRINTER on the computer: 1. Place the printer next to your computer. 2. Before you connect the printer, make sure the power switches on the computer and printer are off. (The power switch for your computer is located on

• Epson Equity LT-386SX, Starting the Diagnostics Program To start the diagnostics program, follow these steps: 1. 2. 3. 4. Insert the Reference diskette in drive A. Turn on or reset the computer. At the MS-DOS prompt, type the following and press Enter: DIAGUS The diagnostics program displays a title screen. Press any key to continue. Creating a Database You can create a database to record the location of faulty memory chips that are causing memory errors. To graphically represent the memory board on the screen, you need to identify your system’s memory configuration. In the lower portion of the screen, you see this message: Press <Esc> to bypass database creation Press ESC if you do

• Epson Equity LT-386SX, Video Diagnostics The tests listed in the Video submenu provide a complete diagnostics check of the video adapter. Use these tests to check the operation of the LCD or monitor connected to your computer. Adapter Test Attribute Test 80x25 Display Test 40x25 Display Test 320x200 Graphics Test 640x200 Graphics Test Page Selection Test Color Test 640x350 Graphics Test 640x480 Graphics Test Adapter Test This test checks the memory assigned to the display adapter. Attribute Test This test checks the display attributes of the video adapter. (In LCD mode, colors are converted to 16 shades of gray.) 80x25 Display Test This test checks the 80x25 display feature of the

• Epson Equity LT-386SX, Formatting a 1.44MB Diskette To format a 1.44MB diskette, follow these steps: 1. If necessary, log onto drive C. If you are not in the directory containing the file FORMAT.COM, change to that directory. For example, if FORMAT.COM is stored in a subdirectory named DOS, type CD \DOS and press Enter. 2. Type the following and press Enter: FORMAT A: You see this prompt: Insert new diskette for drive A: and strike ENTER when ready... 3. Insert the diskette you want to format into drive A and press Enter. When the diskette is formatted, you see this message and prompt: Format complete Volume label (11 characters, ENTER for none) ? 4. Enter up to 11 characters for the volume label to be

• Epson Equity LT-386SX, If you want to copy this file from the diskette in drive A to the hard disk but want to change the name of the copy from REPORT to FACTS, type this command and press Enter: COPY A:REPORT C:FACTS To make a copy of this file on the diskette in drive A and assign the name FACTS to the copy, type the following and press Enter: COPY A:REPORT A:FACTS In this case, you must assign a new name to the copy, because MS-DOS does not allow two files in the same directory to have the same name. For any of the previous examples, if you omit the drive identifier (A: or C:), the COPY command uses the current drive. For example, if the current drive is C and you want to copy the file REPORT from

• Epson Equity LT-386SX, Using an AUTOEXEC.BAT File You may find that there are some commands you need to run every time you turn on your computer. To run a command or a series of commands automatically upon startup, you can type the commands into a special file called AUTOEXEC.BAT. When you load MS-DOS, it automatically looks for this file. If there is an AUTOEXEC.BAT file in the root directory, MS-DOS executes the commands in that file. Here are some suggestions for tasks you can perform using an AUTOEXEC.BAT file: Ll Modify the PATH command to include the directories containing application programs you commonly use. This reduces the

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Epson Equity LT-386SX Product support bulletin 15-03-2023 4

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