NCR PC4I Desktop Computer Manuals

Manuals and User Guides for NCR PC4I Desktop Computer. We have 4 NCR PC4I Desktop Computer manuals available for free PDF download: Technical Reference, Service Manual, Owner's Manual

NCR PC4I Technical Reference (544 pages)

Brand: NCR | Category: Desktop | Size: 52.42 MB

Table of Contents
5
CHAPTER 1: System Overview
11
Models and Options
11
Model Identification
14
System Components
15
System Connection
22
I/0 Signals
22
Rack Assembly
25
Configuration Switches
26
Memory Expansion
28
Memory Map
30
I/0 Map
31
Power Supply
32
Monochrome Systems
32
Color Systems
33
Alternate Main Processor Board
36
CHAPTER 2: Programmable Intelligence
43
8088/8087 Co-Ordination
45
Hardware Configuration
46
Timer Programming
47
Output on Terminal Count (Mode 0)
48
Programmable One-Shot (Mode 1)
48
Rate Generator (Mode 2)
48
Square Wave Generator (Mode 3)
48
Software Triggered Strobe (Mode 4)
48
Hardware Triggered Strobe (Mode 5)
48
Timer Parameters
51
Reading the Counters
51
Programming the Serial Receiver/Transmitter
144
Interrupt Enable Register
147
Interrupt ID Register
148
Line Control Register
148
Modem Control Register
149
Line Status Register
149
Internal Diagnostics
150
Data Integrity
151
The Interrupt System
151
Initialization
156
Transmitting Data
158
Receiving Data
159
Software Control
165
Status and Control Registers
165
Centronics Printer Control
166
Printer Status Analysis
167
DLC Controller
174
Command Register
178
Status Register
180
Interrupt Status Register
182
Unique Address Register
182
Programming Considerations
183
Transmitting Via CPU
183
Receiving Via CPU
185
Receiving Via DMA
189
CHAPTER 6: Disk Storage
191
Introduction
191
Main Status Register
205
Disk Select Register
208
FDC Commands and Their Parameters
208
Motor On/Off
229
FDC Status
229
Fixed (Winchester) Disk Drive
236
Control and Data Signals
238
Fixed Disk Controller
250
Fixed Disk Controller Status
254
Fixed Disk Controller Diagnostics
256
1.2 Mb Flexible Disk Drive
259
CHAPTER 7: The Screen Display
265
Character Set
279
Monochrome Character Display
287
Character Display Memory
291
Character Display Controller
292
Character Cursor
295
Color Graphics Display
296
Graphics Display Memory
300
Character Mode
300
Graphics Modes
304
Low Resolution
304
Medium Resolution
308
High Resolution
309
Graphics Cursor
327
CHAPTER 9: The Loudspeaker
357
Hardware Characteristics
357
CHAPTER 10: Videotex
375
Monitor Connection
378
Modem and VLP Connection
378
Videotex Memory Organization
383
Display Generation
385
Character Sets
386
Standard Characters
386
Character Attributes
402
Color Selection
405
Color Layers
405
Color Coding
406
Color Look-Up Table
407
DRCS Attributes
407
Transparency
408
Videotex Controller Registers
409
Scroll Map Registers
414
Scrolling
414
NCR Software
416
RS-232-C Interfaces
424
PCI Receiver
425
PCI Transmitter
426
Modem Interrupts
427
Programming the PCI
427
Programming Asynchronous Communications
430
Diagnostics
431
Status Register
432
Modem Interface
435
Video Interface
435
Switches and Registers
436

NCR PC4I Service Manual (331 pages)

Brand: NCR | Category: Desktop | Size: 40.99 MB

Table of Contents

3
- Chapter 1 System Overview
  
  9
  - NCR Personal Computer Hardware
    9
  - Display Unit
    9
  - Models
    11
  - Model Numbers
    13
  - Tools
    14
  - Alternate Main Processor Board
    16
- Chapter 2 Basic Troubleshooting
  
  18
  - Power on
    18
  - Power Cords and Switches
    18
  - Memory Test Messages
    19
  - After First Attempt
    22
  - After Second Attempt
    23
  - Power Supply
    25
  - Peripherals
    33
  - Check Keyboard
    33
  - Check for Diagnostic Errors
    33
  - Restore Full Configuration
    35
    
    Test Total Memory
    35
    
    Test CRT and Disk Drives
    36
- Chapter 3 Level 0 Diagnostics
  
  41
  - Memory Test
    41
  - Other MPB Tests
    45
  - Keyboard Test
    45
    
    Initialization and Loading
    45
  - Error Returns
    46
    
    Parallel Port Error Codes
    47
  - Level 0 Loop Tests on Generic Processor Board
    47
  - Suggested Action
    55
- Chapter 4 Level 1 Diagnostics
  
  59
  - Load the Diskette
    59
  - Main Menu
    60
  - Main Menu Help Screens
    63
  - Test Completion Displays
    64
  - Diagnostic Selections
    66
    
    Run All Tests Once
    67
    
    Automatic Completion
    67
  - Memory (Main Menu Selection 1)
    69
    
    Memory Test Help Screens
    70
    
    RAM Pattern Test
    70
    
    RAM Address Test
    71
    
    RAM Parity Test
    72
    
    RAM Walking Ones Test
    73
    
    Firmware Checksum Test
    74
  - Controllers (Main Menu Selection 2)
    75
    
    Controllers Test Help Screens
    76
    
    CPU Test
    76
    
    DMA Test
    77
    
    Flexible Disk Controller Test
    78
    
    Interval Timer Test
    79
    
    Interrupt Controller Test
    80
    
    CPU Controller Test
    81
    
    Monochrome Display Controller Test
    82
    
    Color Graphics Display Controller Test
    83
  - Keyboard (Main Menu Selection 3)
    84
  - Flexible Disk Drive (Main Menu Selection 4)
    86
    
    Read Only Drive a Test
    87
    
    Read/Write Drive a Test
    88
  - Fixed Disk Drive (Main Menu Selection 5)
    89
    
    Fixed Disk Drive Test HELP Screen
    90
    
    Read/Write Maintenance Track
    90
    
    Read Only Sector 0
    91
    
    Read Only Entire Disk
    92
    
    Read/Write Entire Disk
    93
    
    Fixed Disk Controller
    96
  - Monochrome Display (Main Menu Selection 6)
    97
  - Color/Graphics Display (Main Menu Selection 7)
    99
    
    Serial Port Loopback Test
    106
    
    Parallel Port Loopback Test
    107
    
    Printer Tests
    108
    
    Generic Printer Test
    109
    
    PC Compatible Printer Test
    110
  - Utilities
    111
  - Videotex Adapter Tests (Main Menu Selection)
    112
    
    Local Test
    113
    
    Remote Test
    113
    
    Picture Test
    115
- Chapter 5 Level 1 Diagnostic Error Returns
  
  117
  - Repair Guidelines
    117
  - Preliminary Checks
    118
  - Main Processor Board Components
    119
  - Memory Addressing
    121
  - Error Codes
    124
    
    Repair Procedures
    124
    
    Format of Displayed Error Codes
    126
    
    List of Major Error Codes
    126
  - Memory Error Codes
    128
    
    Repair Procedure 01
    129
    
    Repair Procedure 02
    134
    
    Repair Procedure 03
    136
    
    Repair Procedure 05
    137
  - Flexible Disk Drive Error Codes
    139
    
    Repair Procedure 06
    141
  - Keyboard Error Codes
    148
    
    Repair Procedure 07
    148
    
    Repair Procedure 08
    151
    
    Repair Procedure 09
    153
  - Peripheral Error Codes
    154
    
    Repair Procedure 10
    156
    
    Repair Procedure 11
    159
    
    Repair Procedure 12
    162
  - Major System Controller Error Codes
    162
    
    Repair Procedure 13
    163
    
    Repair Procedure 14
    164
    
    Repair Procedure 15
    164
    
    Repair Procedure 16
    165
    
    Repair Procedure 17
    166
    
    Repair Procedure 18
    169
  - Fixed Disk Controller Error Codes
    169
    
    Repair Procedure 21
    170
  - Videotex Error Codes
    172
    
    Repair Procedure 23 and 24
    173
    
    Repair Procedure 25
    173
    
    Repair Procedure 26
    173
  - Cabinet
    175
- Chapter 6 Removal/Replacement
  
  175
  - Printed Circuit Boards
    178
  - Main Processor Board
    179
  - Disk Drives
    181
    
    ON/OFF Switch
    183
    
    Brightness and Volume Controls
    184
    
    Complete Assembly
    185
    
    Power Supply
    186
    
    Monochrome Deflection Board
    188
    
    Monochrome CRT
    190
  - Color Crt/Power Supply a S S y
    191
    
    Power Supply
    192
    
    Color Deflection Board
    193
- Chapter 7 Adjustments
  
  198
  - Display out of Focus
    199
  - Display too DIM
    199
  - Display Rolls
    200
  - Display too Short/Long
    200
  - Display Not Linear
    201
  - Display Tilted
    201
  - Character Field Size
    202
  - Color CRT
    202
  - Horizontal Deflection
    204
    
    Oscillator Alignment
    204
    
    Picture Width
    205
  - Vertical Deflection
    206
  - Video
    207
    
    Cutoff Adjustment
    207
    
    Whiteness
    208
    
    Sub-Brightness
    208
    
    Focus
    209
    
    Convergence
    209
    
    Convergence Adjustments
    209
  - Adjustments for Videotex Monitor 008-0072370
    214
  - Alternate Main Processor Board
    217
- Chapter 8 Strapping Information
  
  217
  - Configuration Switches
    217
  - Main Processor Board
    217
  - Switch Settings
    218
  - Jumper Settings
    222
    
    Memory Expansion Board
    226
    
    Alpha Display Adapter
    227
    
    Graphic Controller Boards
    228
    
    In-House DLC Adapter
    229
    
    Videotex Adapter Board
    230
    
    Flexible Disk Controller Board 1.2Mb
    232
    
    Hard Disk Controller Boards
    233
  - Flexible Disk Drive Jumpers
    236
Table of Contents

239
- Early-Type Main Processor Board
  242
- Alternate Main Processor Board
  262
- Wiring Diagram
  271
- Graphics Controller Board
  277
- Alpha Controller Board
  284
- Flexible Disk Drive
  288
- Fixed Disk Drive
  295
- Color CRT
  298
- Color Power Supply
  299
- External Monochrome Monitor
  300
- External Color Monitor
  304
- Memory Expansion Board
  311
- DLC Inhouse I/F Board
  317
- Wiring Diagram Videotex
  328

NCR PC4I Service Manual (332 pages)

Brand: NCR | Category: Desktop | Size: 31.47 MB

Table of Contents

3
- Chapter 1 System Overview
  
  9
  - Display Unit
    9
- Chapter 4 Level 1 Diagnostics
  
  12
  - Memory (Main Menu Selection 1)
    12
  - Tools
    14
  - Alternate Main Processor Board
    16
- Chapter 2 Basic Troubleshooting
  
  17
  - Level O (Power-On) Diagnostics
    17
    
    Power on
    18
    
    Power Cords and Switches
    18
    
    Memory Test Messages
    19
    
    After First Attempt
    22
    
    After Second Attempt
    34
    
    Test Total Memory
    35
    
    Test CRT and Disk Drives
    36
- Chapter 3 Level O Diagnostics
  
  41
  - Memory Test
    41
  - Other Mpb Tests
    45
  - Initialization and Loading
    46
  - R or Returns
    46
  - Level O Loop Tests on Generic Processor Board
    47
  - Parallel Port Error Codes
    47
  - Suggested Action
    55
    
    Memory Test Help Screens
    70
    
    RAM Pattern Test
    70
    
    RAM Address Test
    71
    
    RAM Parity Test
    72
    
    Firmware Checksum Test
    72
  - Controllers (Main Menu Selection 2)
    75
    
    Controllers Test Help Screens
    76
    
    CPU Test
    76
    
    DMA Test
    77
    
    Flexible Disk Controller Test
    78
    
    Interval Timer Test
    79
    
    Interrupt Controller Test
    80
    
    CPU Controller Test
    81
    
    Monochrome Display Controller Test
    82
    
    Color Graphics Display Controller Test
    83
  - Keyboard (Main Menu Selection 3)
    85
  - Flexible Disk Drive (Main Menu Selection 4)
    86
    
    Read Only Drive a Test
    87
    
    Read/Write Drive a Test
    88
  - Fixed Disk Drive (Main Menu Selection 5)
    89
    
    Fixed Disk Drive Test HELP Screen
    90
    
    Read/Write Maintenance Track
    90
    
    Read Only Sectoro
    91
    
    Read Only Entire Disk
    92
    
    Read/Write Entire Disk
    94
    
    Fixed Disk Controller
    96
  - Monochrome Display (Main Menu Selection 6)
    97
  - Color/Graphics Display (Main Menu Selection 7)
    99
  - Peripherals (Main Menu Selection 8)
    105
    
    Serial Port Loopback Test
    106
    
    Parallel Port Loopback Test
    107
    
    Printer Tests
    108
    
    Generic Printer Test
    109
    
    PC Compatible Printer Test
    110
  - Utilities
    111
    
    Local Test
    113
    
    Remote Test
    113
    
    Picture Test
    115
- Chapter 5 Level 1 Diagnostic Error Returns
  
  117
  - Repair Guidelines
    117
  - Preliminary Checks
    118
  - Main Processor Board Components
    119
  - Memory Addressing
    121
  - Codes
    124
    
    Format of Displayed Error Codes
    126
  - Memory Error Codes
    128
    
    Repair Procedure 01
    129
    
    Repair Procedure 02
    134
    
    Repair Procedure 03
    136
    
    Repair Procedure 04
    137
  - Flexible Disk Drive Error Codes
    139
Crt

239
- Early-Type Main Processor Board
  245
- Alternate Main Processor Board
  263
- Wiring Diagram
  273
- Graphics Controller Board
  276
- Alpha Controller Board
  282
- Flexible Disk Drive
  288
- Flexible Disk Drive 1.2 MB
  291
- Fixed Disk Drive
  294
- Crt
  296
- Color CRT
  298
- Color Power Supply
  299
- Memory Expansion Board
  312
- DLC Inhouse I/F Board
  315
- Videotex Adapter Board
  324
- Videotex Switchboard
  326
- Wiring Diagram Videotex
  328
- Keyboard
  330

NCR PC4I Owner's Manual (167 pages)

Brand: NCR | Category: Desktop | Size: 9.08 MB

Table of Contents
5
Introduction
9
Documents
9
Advanced Documents
10
Next Step
11
Installation Quality Report
11
Help Us Help You
11
A Computer Is
11
Computer Capabilities
12
Computer Advantages
12
Computer Limitations
12
Historical Data and Usages
13
Computer System Components
18
Hardware
18
Central Processing Unit (CPU)
18
Memory
19
Internal Memory
19
External Memory
20
Input Devices
22
Output Devices
22
Software
22
System S Oftw Are
23
The Operating System
23
2. Run-Time Interpreter Routines
23
Utility Programs
24
Program Development S O Ftw a Re
24
Editors
25
Assemblers
25
Compilers
26
Linkers
26
Application Software
26
Reading, Writing, Presentation of Data
27
The Binary System
27
Recording Data in Internal M Em Ory
29
Recording Data in External Memory
29
Fixed Disks
29
Flexible D Isk S
30
Relationship between Hardware, Software, and Data
33
Ready - Set - Go
35
Ready
35
Site Selection and Preparation
35
Unpacking
36
Connections
37
Computer Components Checklist
39
Cabinet
41
Keyboard
41
Set
43
Power-On Procedure
43
Turn It on
45
Application Software
45
Keyboard Features
45
Rollover
45
Auto-Repeat
45
Keys
46
Groups
46
Control Keys
47
Typewriter Keys
49
Cursor Keys
50
Numeric K E y S
51
An Ounce of Prevention
52
Human Error
52
Daily Care
53
Preparations
55
Cabinet Disassembly
55
Card Rack Assembly Removal
56
Cabinet Reassembly
57
Card Rack Reassembly
57
Main Processor Board (Mpb)
58
Board Installation
59
Board Removal
62
Monochrome Monitor Adapter Board
63
Alpha Controller Board (Internal Display)
66
Display
67
64K Graphics Controller Boards (Internal Display)
67
Graphics Controller Board Memory Expansion
70
Expanded M E M O Ry
71
To Install Chips
72
Main Processor Board Memory
73
Memory Expansion Board
74
Numeric Coprocessor
76
Serial and Parallel Ports
77
Serial Port
78
Parallel Port
79
External Video Displays
80
Display Switch S E Ttin G S
80
External Display Installation
80
Flexible Disk Drive
82
Fixed Disk Drive
86
Drive Removal
91
Computer Tilt and Swivel Mechanism
93
Maintenance and Troubleshooting
97
Maintenance
97
Relocation
98
Flexible Disk Drive
98
Fixed Disk Drive
99
Position the Fixed Head
99
System
101
Set-Up
101
Radio/Tv Interference
102
Troubleshooting
103
User Diagnostics
103
Copy Diagnostics
103
Error Messages
104
A Typical Diagnostics Run-Through
105
Memory Test
106
Controllers Test (Circuit Devices)
107
Keyboard Test
109
Flexible Disk Drive Test
110
Monochrome Display Test
112
Color/Graphics Display T Est
113
Peripherals Test
117
Tape Drive Test
118
Continuous Run of Tests from Main Menu
119
Utilities Menu
119
Add/Delete Test Modules
121
Run All Tests
124
Exit from Diagnostics
124
Appendix A Keyboard Functions
125
Technical Data
129
Appendix C System Switch Settings
135
Glossary
139
Application Program
139
Parity Checking
151
Index
157

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NCR PC4I Service Manual (331 pages)

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Table of Contents

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Chapter 5 Level 1 Diagnostic Error Returns

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Chapter 8 Strapping Information

Table of Contents

NCR PC4I Service Manual (332 pages)

Table of Contents

Table of Contents

Chapter 1 System Overview

Chapter 4 Level 1 Diagnostics

Chapter 2 Basic Troubleshooting

Chapter 3 Level O Diagnostics

Chapter 5 Level 1 Diagnostic Error Returns

Crt

NCR PC4I Owner's Manual (167 pages)

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