Epson CW3D25C Canadian Product Specifications Page 153
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System Timing
System Clock Speed:
Speed CPU
High
33MHz (25MHz)
LOW
8MH.z (8MHz)
l/O
8MHz
8MHz
Clock Cycle Time:
125ns (8MHz)
40ns (25MHz)
30ns
(33MHz)
I/O Address Map
Hex range
Device
000-01F
DMA controller 1, 8237A-5
120-03F
Interrupt controller 1, 8259A, Master
040 - 05F
Timer, 8254-2
060 - 06F
8042 (Keyboard)
070 - 07F
Real-trme clock NMI mask
080 - 09F
DMA page register, 74LS612
0A0 - 0BF Interrupt controller 2, 8237A-5
0C0 - 0DF
DMA controller 2, 8237A-5
OF0
Clear math coprocessor busy
OF1
Reset math coprocessor
OF8 - OFF
Math coprocessor
378 - 37F
Parallel port on board
3F0 - 3F7
FDD control on board
3F8 - 3FF
Serial port on board
Note: I/O address hex 000 to FFF are reserved for the system board
110
Hex 100 to 3FF are available on the I/O channel.
A-4 Specifications
- OPERATIONS 1
- IMPORTANT NOTICE 4
- DISCLAIMER OF WARRANTY 4
- COPYRIGHT NOTICE 4
- TRADEMARKS 5
- FCC COMPLIANCE STATEMENT 6
- MAINTENANCE 8
- Unbedingt beachten! 10
- Wartung des Computers 11
- ACHTUNG: 12
- Contents 13
- Using Your Computer 14
- Introduction 17
- How to Use This Manual 18
- Setting Up Your System 19
- Choosing a location 20
- Connecting a Monitor 22
- Setting 23
- Using the Parallel Interface 24
- Using the Serial Interface 26
- Connecting the Power Cord 27
- Connecting the Keyboard 28
- Adjusting the Keyboard Angle 29
- Turning On the Computer 30
- XXXX-XXXX-XXXXXX-KB 32
- The Command Prompt 33
- Copying System Diskettes 34
- Computer 37
- Running the Setup Program 38
- Running Setup 40
- Memory Test Bypass 41
- Using Setup 41
- Errors Reported by BIOS 42
- Entering SETUP 43
- CMOS SETUP 44
- CMOS Setup Option 45
- Display Type Setup 46
- Keyboard Setup 46
- Scratch RAM Option 46
- Leaving the CMOS Setup 47
- Extended CMOS SETUP 47
- RUN CMOS SETUP 48
- RUN XCMOS SETUP 48
- MULTI I/O CONTROLLER SETUP 51
- Special Keys on your Keyboard 55
- Using Your Computer 3-3 56
- Stopping a Command or Program 58
- Using Disks and Disk Drives 58
- How Disks Store Data 59
- Types of Diskette Drives 61
- Abort, Retry, Fail? 66
- Write-protecting Diskettes 67
- Making Backup Copies 68
- Using a Single Diskette Drive 69
- Using the Hard Disk Drive 70
- Backing up hard disk files 71
- Chapter 4 73
- Inserting Diskettes 74
- Disk Drive Letters 74
- Starting MS-DOS 76
- MS-DOS Commands 78
- Case Sensitivity 79
- Function Keys and MS-DOS 79
- BACKSPACE Key 81
- Default Drive 82
- Copying Your MS-DOS Diskettes 84
- Copying xx tracks 85
- The computer 87
- Copying on Dual Drive Systems 88
- The contents 90
- File Types 92
- Filenames and Extensions 93
- Disk Directories 96
- The DIR Command 96
- File Searches 97
- Multiple Disk Drive Systems 98
- Application Software 100
- Using Floppy Disks 101
- How Floppy Disks Work 102
- Formatting Diskettes 103
- The FORMAT Command 104
- Option Switches 106
- DRIVE NOT READY ERROR 108
- Insert BOOT diskette A: 108
- Press any key when ready 108
- Caution! 108
- Copying Files 110
- A> COPY A:(filename) B: 111
- A> COPY A:MAYSALES.RPT B: 111
- A > COPY MAYSALES.RPT B: 111
- Wildcards 112
- A >COPY MAYSALES.*B: 113
- A>COPY *.* C: 113
- Using Your Hard Disk 114
- Care of Hard Disk Drives 115
- Preparing Your Hard Disk 116
- Changing Your SETUP 117
- Partitioning Your Hard Disk 119
- Formatting Your Hard Disk 122
- Organizing Your Hard Disk 124
- C>CDDOS 126
- C>DIR 126
- C >COPY A:*.* C: 128
- C > DEL COMMAND.COM 128
- C>CD C:\ 128
- Using Your 128
- Backing Up Your Hard Disk 129
- How Many Diskettes? 130
- C>A:BACKUP C:\A: /S 131
- C> BACKUP C:\DOS4 A: /S 131
- The RESTORE Command 132
- Invalid drive specification 133
- Expanding Your System 135
- Serial Ports 137
- Parallel Ports 138
- Connecting Printers 138
- Connecting Modems 139
- System Expansion And Upgrades 140
- Installing Circuit Boards 143
- NO ELECTRlCAL OR 146
- PHYSICAL RESTRICTIONS 146
- Disk Drive Compartments 147
- Internal Hard Disk Drive 149
- Specifications 150
- CPU Logic 151
- System Memory 152
- System I/0 152
- System Timing 153
- I/O Address Map 153
- System Mother Board 154
- Hardware Settings 155
- Removing The MotherBoard 156
- Switches 156
- Connectors 157
- Keyboard Port - J3 158
- Serial Port 159
- Power Connector - J6, J15 160
- Speaker - J25 160
- IDE Interface connector - J24 160
- Video Monitor Systems 161
- Monitor Types 164
- Connector Pinouts 166
- Keyboard Port 167
- (6-pin mini “DIN’ connector) 167
- D-2 Connector Pinouts 167
- IDE Port 168
- Connector Pinouts D-3 168
- Power Supply Connector 169
- (12-pin post header) 169
- D-4 Connector Pinouts 169
- Expansion Slot Connectors 170
- (continued): 171
- Connector Pinouts D-7 172
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