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Insert the loop-back connector. Then press Y and Enter to start the
check. The computer checks the port by writing and reading data
and control information, and reports errors for any pins that are
faulty. Note that if you connect a printer cable instead of a loop-back
connector, you will get errors.
Alternate Parallel Port Check
Use this option to test the operation of an additional parallel port. To
perform the test, you must insert the special loop-back connector into
the alternate parallel port so that the computer can check individual
pins of the port.
This test is similar to the Parallel Port Check. For more details, see
the description of the Parallel Port (Printer Interface) Check.
Parallel Port (on Video Adapter) Check
Use this option to test the operation of an additional parallel port on
a video adapter. To perform the test, you must insert the special loop-
back connector into the parallel port on the video adapter so that the
computer can check individual pins of the port.
This test is similar to the Parallel Port Check. For more details, see
the description of the Parallel Port (Printer Interface) Check.
Serial Port (RS-232C) Check
Use this option to test the functions of the primary serial
communications (RS-232C) port. To perform the test, you must insert
a special loop-back connector into the RS-232C port so that the
computer can check individual pins of the port. Contact your dealer
if you need a loop-back connector. Note that a different connector is
required to test the parallel port.
Performing System
Diagnostics
C-23
- EQUITY™386/20 1
- Contents 5
- 6 Installing Options 7
- Appendixes 8
- 9
- Introduction 11
- How to Use This Manual 12
- Introduction 3 13
- Where to Get Help 14
- SETTING UP YOUR SYSTEM 15
- Unpacking 15
- Setting Up Your System 16
- Choosing a Location 17
- Connecting a Monitor 18
- Connecting a Printer 20
- Using the Parallel Interface 21
- Using the Serial Interface 22
- Connecting the Power Cord 23
- Connecting the Keyboard 24
- Setting the Monitor Type 26
- Turning On the Computer 26
- Loading MS-DOS 28
- Copying System Diskettes 29
- 1-16 Setting Up Your System 30
- Running the Setup Program 31
- Starting the Setup Program 32
- Setting the Amount of Memory 33
- Setting the Display Type 35
- Setup Program 36
- Setting the Mass Storage 39
- Setting the Real-time Clock 41
- Enter. You see this 42
- 04301989 42
- Leaving the Setup Menu 43
- Running 44
- Preparing a Hard Disk for Use 45
- Checking the Hard Disk 46
- Partitioning the Hard Disk 48
- Disk for Use 52
- SELECT A: C:\DOS 001 US 53
- COPY *.* C:\DOS 55
- Booting From the Hard Disk 57
- Using the Equity 386 58
- Selecting Execution Speed 59
- Selecting the Monitor Type 60
- Controlling the Volume 61
- Resetting the Computer 61
- Ctrl and Alt and press the 62
- Num Lock, Scroll Lock 64
- Caps Lock 64
- Using Disks and Disk Drives 65
- Types of Diskette Drives 67
- Write-protecting Diskettes 72
- Making Backup Copies 73
- Using a Single Diskette Drive 74
- Using a Hard Disk Drive 75
- Backing up the hard disk 77
- Turning Off the Computer 78
- Starting and Exiting MS-DOS 79
- Drive Designators 80
- The Default Drive 80
- The MS-DOS Command Format 81
- Entering MS-DOS Commands 82
- Creating and Managing Files 83
- Copying Files 84
- Deleting Files 87
- Using Directories 88
- The Default Directory 90
- Using Pathnames 90
- \WORDPROC\PERSONAL 91
- Filenames 92
- Creating Directories 94
- Removing Directories 94
- Formatting Diskettes 95
- Hard Disk) 97
- Backing Up 98
- Using the Epson HELP Program 101
- Your Equity 386 102
- Using the Epson MENU Program 103
- MENU Program Options 104
- Using the XTREE Utility 105
- Running XTREE 106
- Cautions 107
- Using an AUTOEXEC.BAT File 108
- Equity 386 109
- Using Memory Beyond 640KB 110
- About EEMM386.EXE 111
- Using HDCACHE and EEMM386.EXE 112
- Installing Options 113
- 6-2 Installing Options 114
- Installing Option Cards 115
- 6-4 Installing Options 116
- Installing Options 6-5 117
- Installing an Option Card 118
- Installing Options 6-7 119
- 6-8 Installing Options 120
- Installing Options 6-9 121
- (JTkJbJB 122
- Installing Options 6-11 123
- Removing the SPF card 125
- 6-14 Installing Options 126
- Changing the jumper settings 127
- Replacing the SPF card 128
- 6-16 hulling Options 128
- Removing an Option Card 129
- Replacing the Cover 130
- Post-Installation Setup 131
- Troubleshooting 132
- The Computer Won’t Start 133
- The Computer Locks Up 133
- Monitor Problems 134
- Diskette Problems 135
- Hard Disk Problems 136
- Software Problems 137
- Option Card Problems 138
- A-8 Troubleshooting 139
- Power-on Diagnostics 140
- Clock and CMOS RAM Check 141
- RAM Check 142
- Display Card Check 143
- Optional RAM Check 143
- Floppy Disk Drive Seek Check 143
- 1782-Disk controller failure 144
- 178x-Disk x failure 144
- 179x-Disk x error 144
- Performing System Diagnostics 145
- Diagnostics 146
- Modifying the DEVICE LIST 147
- Selecting a Test 149
- Resuming From an Error 150
- System Board Check 151
- Keyboard Check 152
- System Diagnostics 153
- Monochrome Adapter Check 154
- Attribute Check 154
- CHARACTER SET CHECK 155
- Is the display correct (Y/N)? 155
- Run All Above Checks 156
- Color Graphics Adapter Check 157
- Character Set Check 157
- 40-column Character Set Check 158
- 320x200 Graphics Mode Check 159
- 640x200 Graphics Mode Check 160
- Screen Paging Check 160
- Light Pen Check 161
- Color Video Check 162
- Sync Check 163
- Sequential Seek Check 164
- Random Seek Check 165
- Write, Read Check 165
- Math Coprocessor Check 166
- Alternate Parallel Port Check 167
- Serial Port (RS-232C) Check 167
- Alternate Serial Port Check 169
- Dot-matrix Printer Check 169
- ,.::::‘:‘:L 171
- Read, Verify Check 172
- Run All Above Tests 173
- Error Codes and Messages 174
- Appendix D 177
- Physically Formatting a Hard 178
- Conditional Format (Normal) 179
- Unconditional Format 182
- Hard Disk D-7 183
- Destructive Surface Analysis 184
- Hard Disk Drive Types 187
- Specifications 189
- Power Supply 190
- Mass Storage 190
- Keyboard 191
- Environmental Requirements 191
- Physical Characteristics 191
- Glossary 192
- Glossary 5 196
- Wildcard 207
- Write-protect 207
- 10 Index 217
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