HP 300 Manuals

Manuals and User Guides for HP 300. We have 1 HP 300 manual available for free PDF download: Service Information Manual

HP 300 Service Information Manual (144 pages)

Brand: HP | Category: Desktop | Size: 8.01 MB

Table of Contents
6
Product Information
12
Introduction
12
Product Nuinbers and Terms
12
Product Identification Terms
12
Hardware Terminology
13
Software Terminology
14
Hardware Documentation Organization
15
HP Series 200/300 Cornputer Test Tools Manual
15
HP 9000 Series 300 Coinputer /Bus Expander Service Information Manual
16
HP 9000 Series 300 Coinputers Configuration Reference Manual
17
Series 300 Service Notes
17
Series 300 Service Handbook
18
HP 9000 Series 200/300/500 Site Preparation Manual
19
Installation Notes
20
Series 300 Installation Reference
20
Product Number Conventions
21
Series 300 Computer System Configurations
23
Determining Computer System Numbers
26
Determining Bundled System N Unlbers
27
Specifications
28
Physical
28
Power Line Voltage and Frequency
28
Backplane Power Available
28
Environmental
29
System Clock
29
Shipping Information
29
Service Support
30
Repair Philosophy
30
Supported Configurations
30
Hewlett Packard Support
30
Assembly Replacement
32
Assembly Access Flow Chart
32
Tools Required
35
Safety Precaution
35
Electro-Static Discharge Precautions
36
Assembly Replacement Procedures
37
Fuse
38
HP-HIL Devices
38
Video Boards
39
Accessory Cards
40
Power Supply
40
Top Cover
41
Front Panel
42
Fans
44
Fan Housing
45
Motherboard
46
I/O Card Cage
46
Functional Description
48
Power Supply
48
General Description
48
Input Section
49
Rectification and Switching Control Circuits
50
Power Supply Regulators
51
Protection and Reset Circuits
52
Power Distribution
52
98561-66511 Processor Board
54
General Description
54
System Timer
56
Central Processing Unit
56
Ram
56
HP-IB Interface
57
Video Circuits
58
Keyboard Electronics
58
Boot Roms and Self-Test Leds
58
Other Circuits
58
Hp-Hil
59
General Description
59
Link Controller
59
Interface Cables
61
Device Controller
62
98561-66512 Processor Board
64
General Description
64
Ram
64
98561-66513 Processor Board
66
General Description
66
Ram
67
98561-66519 Processor Board
68
General Description
68
Central Processing Unit
69
Coprocessor
69
Menlory Management Unit
69
Cache Memory Sub-System
69
Boot Roms and Self-Test Leds
69
Motherboard
70
General Description
70
Backplane Board
70
Video Boards
71
General Description
71
Video RAM
73
Color Mapping
73
Display Controller
73
Frame Buffer Controller
74
Video Outi)Ut
74
Display RA11 Control
74
Interrupt Structure
74
ID/Font Rom
75
Clocks and Timing
75
Human Interface Card
76
General Description
76
Functional Description
76
HP 98546 Display Compatibility Interface
77
General Description
77
Video Card
78
Graphics Card
79
Boot ROM Functions
80
Introduction
80
Power-Up Sequence
80
Power-Up Algorithm
80
Configure Mode Software Override
85
Force Long Memory Test
86
Continuous Self-Test
86
50 Or 60 Hz CRT
87
The Human Interface
88
Output Devices
88
Input Devices
88
Remote Human Interface
92
Self-Test
94
Hardware Initialization Support
94
Assembly Self-Test Support
94
Tests Perforrned by the Boot RO
95
Memory Tests
102
Booting Operating Systems
104
Boot System Selection
104
Unattended Operation
104
Attended Operation
104
Boot System Priority Control
108
Default Mass Storage Variable
109
Supported Boot Configurations
110
Booting from the SRM
112
Troubleshooting
114
Introduction
114
The Troubleshooting Process
114
Materials Required
114
Test LED Displays
114
Troubleshooting Procedures
115
System Level
115
Colnputer /Bus Expander Troubleshooting
115
Inoperative Unit Procedure
117
Live Unit Procedure
118
Minimum Configuration
118
Functional Unit Troubleshooting
120
Intermediate Configuration
120
Test Tools
122
Overview
122
Computer Tests
122
System Functional Tests
122
CS/80 Exercisers
122
Package Contents
123
Turn-On Self Test
123
Self-Test Error Displays
123
Failure Indications
126
References
132
How to Use this Chapter
132
Service Information Locator
132
Localized System Identification
134
Related Documentation
135
BASIC Operating System
135
Pascal Operating Systems
137
Hp-Ux
138
Installation Manuals/Notes
141

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