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Epson EQUITY LT-286e User Manual

Epson user's guide computer lt - 286e
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E Q U I T Y ™ L T ™ - 2 8 6 e

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Summary of Contents for Epson EQUITY LT-286e

  • Page 1 ® EPSON E Q U I T Y ™ L T ™ - 2 8 6 e System Diagnostics User’s Guide...

  • Page 2: 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.

  • Page 3: Table Of Contents

    Contents Introduction......... . . Starting the Diagnostics Program.
  • Page 4 Hard Disk Diagnostics ........Hard Disk Parameters....... . 21 Disk drive identifier.
  • Page 5 Video Diagnostics ........Adapter Test .

  • Page 6: Introduction

    Introduction This booklet describes how to use the diagnostics program, called DIAG, to test the condition of your computer’s main unit and peripheral devices, The DIAG program provides tests to check the following hardware: CI System board Cl Memory Ll Hard disk drive 0 Diskette drive LI Keyboard CI Video adapter board and monitor...

  • Page 7: Starting The Diagnostics Program

    Starting the Diagnostics Program To start the diagnostics program, follow these steps: 1. Insert the Diagnostics diskette in drive A. 2. Turn on or reset the computer. 3. At the MS-DOS@ prompt, type the following and press Enter: D I A G The Diagnostics program displays a title screen.
  • Page 8 If a database with the specified vendor name and model number exists, you see this message: Your database already exists - want to update (Y/N)? N Enter Enter. EPSON and press in response to this prompt: LT-286e and press Enter.

  • Page 9: The Diag Main Menu Screen

    To update the existing database, press Y and you respond to the screen prompts to update the configuration. If you do not want to update the database, press Enter. You see the DIAG main menu. The DIAG Main Menu Screen The DIAG main menu screen looks like this: ~~~~~~~~~~ Memoly...
  • Page 10 The Run Time Parameters window lets you specify how long you want the test to run, whether you want DIAG to notify you of each error as it occurs, and whether to create a log of all errors that occur during testing. The Help window shows the keys you use to make menu selections.

  • Page 11: Selecting Diagnostics Tests

    Selecting Diagnostics Tests This section describes the various ways you can select the tests you want to run. To start a single test, move the cursor to highlight the test category on the main menu. Then move the cursor to the submenu and highlight the test you want to perform.

  • Page 12: Setting The Run Time Parameters

    You cannot include certain tests in a group. The tests that must run separately include: category System Board Hard Disk Floppy Keyboard Miscellaneous After you select the test(s) you want to run, you must set the Run Time Parameters. Setting the Run Time Parameters To specify the Run Time Parameters, press F2 to move to the Run Time Parameters window.
  • Page 13 Type and press mode. In Timebound mode, DIAG runs the tests for the amount of time you specify. Type C and press mode. In Continuous mode, the tests run until you interrupt them. Type and press Passbound mode. In Passbound mode, DIAG executes the selected tests the number of times you specify.

  • Page 14: Timebound Testing

    Timebound Testing If you selected Timebound testing, you see this prompt: Period :001 hr 00 min Specify the amount of time you want to run the selected Type the number of hours, from 000 to Then type the number of minutes, from 00 to 59, and press Enter.

  • Page 15: Error Logging

    If you specify a number larger than 65535, DIAG subtracts 65535 from your entry to determine how many times to run the test. For example, if you enter a value of 65540, DIAG runs the test(s) five times. Error Logging When you request error logging, DIAG displays the following pop-up window: Log errors on disk...
  • Page 16 After selecting error logging, DIAG uses this device (and/or disk drive) for error logging until you indicate you do not want error logging. You can then specify a new device and/or disk drive by selecting error logging in the Run Time Parameters window.

  • Page 17: Executing Diagnostics Tests In Batch Mode

    If an error occurs during a test, note the error message and contact your Epson dealer. Your dealer may be able to solve the problem; if not, he or she can refer you to an authorized Epson Customer Care Center. If necessary, call the Epson Consumer Information number (1-800-922-891 1) for the location of your nearest authorized Epson Customer Care Center.

  • Page 18: System Board Diagnostics

    System Board Diagnostics The tests listed in the System Board submenu provide a complete diagnostics check of the system board. Basic Functionality test CPU Protected Mode test Processor speed test CoProcessor test DMA Controller test Interrupt Controller test Timer test Real Time Clock test CMOS Validity test Basic Functionality Test...

  • Page 19: Processor Speed Test

    Processor Speed Test This test identifies the CPU clock speed and displays a message similar to this: Measure CPU speed in Megahertz = 12.00 Coprocessor Test This test checks the math coprocessor. the math coprocessor is not 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...

  • Page 20: Interrupt Controller Test

    Interrupt Controller Test This test performs read/write tests on the interrupt mask registers and checks for invalid interrupts. During the test, you see this message: Testing Programmable Interrupt Controller ..When the test completes successfully, you see this message: Programmable Interrupt Controller test passed OK.

  • Page 21: Rtc Test

    RTC Test This test verifies the accuracy of the real time clock by comparing it to the timer 0 interrupt. During the test, you see this message: Testing Real Time Clock... When the test completes successfully, you see this message: Real Time Clock test passed.

  • Page 22: Memory Diagnostics

    Memory Diagnostics The tests listed in the Memory submenu provide a complete diagnostics check of the system's built-inmemory. BIOS ROM Test P a r i t y t e s t P a t t e r n t e s t W a l k i n g l ' s t e s t W a l k i n g O ' s t e s t A d d r e s s t e s t...

  • Page 23: Bios Rom Test

    BIOS ROM Test This test checks the data path of the BIOS ROM. When the test completes successfully, you see this message: System ROM module test passed. Parity Test This test checks for parity errors in memory. During the test, DIAG displays these messages: Testing from absolute memory location xxxxxxxxh.

  • Page 24: Walking 1'S Test

    Walking 1’s Test This test checks the voltage in the data lines for any shorts and checks for any data bits that are always 1. During the test, you see this message: T e s t i n g f r o m a b s o l u t e b a s e x x x x x x x x h When the test completes successfully, you see this message: W a l k i n g 1 s t e s t i n m e m o r y p a s s e d O K .

  • Page 25: Refresh Test

    Refresh Test This test checks the refresh interval. If an error occurs, DIAG Failure in Refresh test. When the test completes successfully, you see this message: Refresh test passed OK. Hard Disk Diagnostics The tests listed in the Hard Disk submenu provide a diagnostics check of the system’s hard disk drive.

  • Page 26: Hard Disk Parameters

    Destructive diagnostics tests include: Hard Disk Format Auto Interleave Media Analysis Force Bad Tracks The non-destructive diagnostics tests include: Performance Test Seek Test Read/Verify Test Check Test Cylinder Hard Disk Parameters DIAG may request any or all of the following parameters before performing a following hard disk test: Disk drive identifier Disk drive type...

  • Page 27: Disk Drive Type

    Disk drive type DIAG displays the following prompt for the disk drive type: D i s k D r i v e t y p e Select drive type 2 for a 20MB drive or drive type 17 for a 40MB drive.

  • Page 28: Bad Track List

    Bad track list DIAG 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...

  • Page 29: Start And End Head Numbers

    Start and end head numbers DIAG 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.

  • Page 30: Auto Interleave

    When you select Hard Disk Format, DIAG requests the following hard disk parameters: Disk drive identifier Disk drive type Interleave factor Bad track list (optional) Start cylinder number End cylinder number Start head number End head number If you do not specify the bad track list, DIAG performs an analysis of the surface of the hard disk to determine the bad tracks.

  • Page 31: Media Analysis

    When you select Auto Interleave, DIAG requests the disk drive identifier and disk drive type. After you specify the parameters, you see these messages: All data on Hard disk you have specified Do you still want to continue (Y/N)? Enter Press Enter to stop the operation.

  • Page 32: Performance Test

    DIAG displays the following messages after you specify the hard disk parameters: All data on Hard disk you have specified Do you still want to continue (Y/N)? Enter Press Enter to stop the operation. Performance Test This test checks the performance of your hard disk. It determines the data transfer rate and track-to-track seek time based on the transfer sire, seek count, and the amount of data transferred.

  • Page 33: Seek Test

    When you select the Performance Test, DIAG requests the disk drive identifier and disk drive type. Seek Test This test checks the seek capability of the hard disk on the specified range of cylinders and heads. DIAG performs a series of sequential seeks followed by random seeks.

  • Page 34: Check Test Cylinder

    Check Test Cylinder This test checks the test cylinder, which is the last cylinder on the hard disk. Perform this test if you receive a hard disk error when you boot the system. When you select Check Test Cylinder, DIAG requests the disk drive identifier and disk drive type.

  • Page 35: Hard Disk Error Messages

    Enter Press the operation. Hard Disk Error Messages DIAG displays two types of error messages hard disk: messages DIAG generates and those the controller generates. DIAG displays the following message if you attempt to run the Performance Test with less than 128KB of memory: INSUFFICIENT MEMORY FOR DATA TRANSFER Minimum memory required is - 128KB The controller displays one of the following messages when an...

  • Page 36: Floppy Disk Diagnostics

    Floppy Disk Diagnostics The tests listed in the Floppy Disk submenu provide a complete diagnostics check of the system’s diskette drive. Diskette Format Drive Speed Test Random R/W Test Sequential R/W Test Disk Change Line Test Floppy disk diagnostics tests may be destructive or non- destructive.

  • Page 37: Diskette Format

    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 1/2-inch diskette drive should rotate the diskette at 300 rpm allowing a tolerance of one percent.

  • Page 38: Sequential R/W Test

    Sequential R/W Test This test checks the sequential seek, read, and write capabilities of a floppy disk drive. It performs a sequential read/write operation on the diskette in the specified drive. To perform this test, insert a diskette into the drive you plan to test.

  • Page 39: Keyboard Diagnostics

    CHANGE LINE Not Available DIAG displays this message if you attempt to run the Change Line Test on a drive that does not support a change line, such as a 360KB or 720KB drive. The controller displays one of the following messages when an error occurs during a diagnostics procedure: BAD address mark BAD CRC error...

  • Page 40: Controller Test

    Controller Test This test checks the keyboard controller. Scan/ASCII Code Test This test checks the scan codes assigned to the keys on the keyboard. When you select this test, DIAG displays the layout of your keyboard on the screen. When you press a key, DIAG displays the scan code and the ASCII code of the key.

  • Page 41: Video Diagnostics

    Video Diagnostics The tests listed in the Video submenu provide a complete diagnostics check of the video adapter. Use these the operation of the LCD or monitor connected to your computer. Run All Tests Adapter Test Attribute Test 80x25 Display Test 40x25 Display Test 320x200 Graphics Test 640x200 Graphics Test...

  • Page 42: 40X25 Display Test

    40x25 Display Test This test checks the 40x25 display feature of the display adapter. This test is available for a color display adapter only. 320x200 Graphics Test This test checks the 320x200 graphics display feature of the display adapter. This test is available for a color display adapter only. 640x200 Graphics Test This test checks the high resolution (600x200) graphics display feature of the display adapter.

  • Page 43: 640X350 Graphics Test

    640x350 Graphics Test This test checks the 640x350 graphics display feature of the EGA display adapter. This test is available for a color display adapter only. Video Error Message DIAG displays the following error message during the Adapter Test: DISPLAY MEMORY R/W ERROR The Adapter Test detected a read/write error in the display memory.

  • Page 44: Communication Adapter Test

    You may see one of the following error messages during this test: E r r o r - P r i n t e r O u t o f P a p e r E r r o r - P r i n t e r N o t S e l e c t e d E r r o r - P r i n t e r I n t e r f a c e I / O E r r o r E r r o r - T i m e O u t O n P r i n t e r Check that the printer is on-line, paper is loaded, and all...
  • Page 45 You may see one of the following error messages during this test: E r r o r - B r e a k D e t e c t e d E r r o r - F r a m i n g e r r o r E r r o r - O v e r r u n e r r o r E r r o r - P a r i t y e r r o r E r r o r - T i m e o u t !

  • Page 46: Keyboard Scan/Ascii Codes

    Keyboard Scan/ASCII Codes Keystroke Sys Req Num Lock Scroll Lock Home PgUP [blank key] ** No codes - Ignored Scan Code ASCII Code System Diagnostics 41...
  • Page 47 Keystroke PgDn + Ww) ** No codes Ignored Diagnostics System Scan Code ASCII Code...

  • Page 48: System Diagnostics

    Keystroke Enter Ctrl ’ (apostrophe) Shift (left) ** No codes - Ignored ASCII Code Scan Code System Diagnostics 43...
  • Page 49 Keystroke , (comma) Shift (right) [space bar] Caps Lock Shift SysReq Shift ’ (-) Shift NumLock Shift ScrollLock Shift - (-) Shift Home (7) Shift ? (8) ** No codes - Ignored System Diagnostics Scan Code ASCII Code...
  • Page 50 Keystroke Shift PgUp (9) Shift - Shift F1 Shift F2 Shift F3 Shift F4 Shift F5 Shift F6 Shift F7 Shift F8 Shift F9 Shift F10 Shift = (+) Shift t (4) Shift [blank key] Shift + (6) Shift + Shift Esc Shift 1 (!) Shift 2 (@)
  • Page 51 Keystroke Shift 6 (^) Shift 7 (&) Shift 8 (*) Shift 9 (() Shift 0 ()) Shift End (1) Shift L (2) Shift PgDn (3) Shift t (bksp) Shift Tab Shift Q Shift W Shift E Shift f? Shift T Shift Y Shift U Shift I...
  • Page 52 Keystroke Shift Ctrl Shift A Shift S Shift D Shift F Shift G Shift H Shift J Shift K Shift L Shift ; (:) Shift ’ (“) Shift (left) Shift Z Shift X Shift C Shift V Shift B Shift N Shift M Shift, (<) Shift (>)
  • Page 53 Keystroke Shift Alt Shift * (PrtSc) Shift \ (|) Shift [space bar] Shift CapsLock Shift Ins (0) Shift Del (.) Ctrl SysReq Ctrl Ctrl NumLock Ctrl ScrollLock (Break) - exits test Ctrl - Ctrl Home Ctrl t Ctrl PgUp Ctrl - Ctrl F1 Ctrl F2 Ctrl F3...
  • Page 54 Keystroke Ctrl F9 Ctrl F10 Ctrl = Ctrl t Ctrl [blank key] Ctrl + Ctrl + Ctrl Esc Ctrl 1 Ctrl 2 (NUL) Ctrl 3 Ctrl 4 Ctrl 5 Ctrl 6 (RS) Ctrl 7 Ctrl 8 Ctrl 9 Ctrl 0 Ctrl End Ctrl 1 Ctrl PgDn...
  • Page 55 Keystroke Ctrl Tab Ctrl Q (DC1) Ctrl W (ETB) Ctrl E (ENQ) Ctrl R (DC2) Ctrl T (DC4) Ctrl Y (EM) Ctrl U (NAK) Ctrl I (HT) Ctrl 0 (SI) Ctrl P (DLE) Ctrl [ (ESC) Ctrl ] (GS) Ctrl Enter (LF) Ctrl Ctrl A (SOH) Ctrl S (DC3)
  • Page 56 Keystroke Ctrl ; Ctrl ’ Ctrl Shift (left) Ctrl Z (SUB) Ctrl X (CAN) Ctrl C (ETX) Ctrl V (SYN) Ctrl B (STX) Ctrl N (SO) Ctrl M (CR) Ctrl , Ctrl , Ctrl / Ctrl Shift (right) Ctrl Alt Ctrl * (PrtSc) Ctrl\ (FS) Ctrl [space bar]...
  • Page 57 Keystroke Alt NumLock Alt Scrolllock A l t - Alt Home Alt 7 Alt PgUp Alt - Alt F1 Alt F2 Alt F3 Alt F4 Alt F5 Alt F6 Alt F7 Alt F8 Alt F9 Alt F10 AA = Alt t Alt [blank key] Alt + Alt +...
  • Page 58 Keystroke Alt 2 AIt 3 Alt 4 Alt 5 Alt 6 Alt 7 Alt 8 Alt 9 Alt 0 Alt End Alt -1 Alt PgDn Alt t (bksp) Alt Tab Alt Q Alt W Alt E Alt R Alt T Alt Y Alt U Alt I...
  • Page 59 Keystroke Alt [ Alt ] Alt Enter Alt Ctrl Alt A Alt S Alt D Alt F Alt G Alt H Alt J Alt K Alt L Alt ; Alt ’ Alt Shift (left) A l t At X Alt C Alt V Alt B Alt N...
  • Page 60 Keystroke Alt . Alt/ Alt Shift (right) Alt* Alt\ Alt [space bar] Alt CapsLock Alt Ins Alt Del ** No codes - Ignored Scan Code ASCII Code System Diagnostics...

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