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TRS-80 Model 12
Radio Shack TRS-80 Model 12 User Manual
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2
Table of Contents
Power-Up Sequence
2
Introduction
6
Table of Contents
7
Quick Reference Chart
8
Commands
8
About Your Computer
10
About Your Equipment
10
Inserting a Diskette
12
Optional Equipment
15
Installation
16
Installing Peripheral Equipment
18
Parallel Printer Connector
18
Serial I/O Connectors
18
Internal Cable Connections
20
Power Up/Power down
21
Powering up the Model 12
21
Loading TRSDOS-II from Floppy Diskette
23
Backup Copies
24
System Diskette Backup
25
Single-Drive Users
29
Tips on Safeguarding Data
30
Sample Session
31
Operating Systems and Application Programs
31
Storing Information
34
Disk Format and Disk Files
34
Removing and Swapping Diskettes
36
Floppy Diskette System Preparation
37
Using TRSDOS-II Application Programs
37
Using TRSDOS Application Programs
37
Using the TRSDOS 2.0 System Diskette in Drive
38
Patching Programs with TRSDOS
38
Formatting Diskettes
41
Hard Disk System Preparation
43
Maintenance
45
Taking Care of Your Diskettes
45
Drive Maintenance
46
Backup Disks and Files
48
TRSDOS-II Backup
48
Backing up TRSDOS-II System Diskettes
48
TRSDOS Backup
51
Backing up TRSDOS System Diskettes
51
Backing up TRSDOS Data Diskettes
52
Making SAVE/RESTORE Compressed Copies
54
Creating a Monthly Save Set
55
Rotating Monthly Save Sets
56
Creating a Daily Save Set
56
Rotating Daily Save Sets
56
Restoring Your Files
56
Restoring a Group of Files
57
Restoring All Files
57
Move
58
More about TRSDOS-II
60
Increasing Drive Efficiency
60
Using the DRIVE Command
60
Help
62
Kill
63
Making a Minimum System Diskette
64
Glossary
67
Problems and Error Messages
71
Unreadable Disks, Files, and Programs
71
Error Messages
71
Operating System Errors Table
73
Boot Errors Table
79
Specifications
83
Video Display
84
LSI Controller Chip
84
Four Modes
84
Displayable Characters
84
Keyboard
85
Floppy Diskette Drives
85
Minimum
85
Preventive Maintenance Interval
85
Power Supply
86
Required Media
86
Power Requirements
86
Ambient Operating Temperature
86
Peripheral Interfaces
87
Standard
87
Serial Interface
88
Parallel Interface
89
Index
94
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Radio Shack TRS-80 Model 12 Specifications
General
Brand
Radio Shack
Model
TRS-80 Model 12
Category
Desktop
Language
English
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