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OPERATING AND SERVICE MANU AL
-
OPERATION AND MAINTENANCE MANUAL
MODEL 2114B
COMPUTER
VOLUME TWO
HEWLETTlfJ PACKARD
HEWLETT wP PACKARD
OPERATION AND MAINTENANCE MANUAL
MODEL 2114B
COMPUTER
VOLUME TWO
SERIALS PREFIXED: 942-
NOTE
This manual applies directly to Hewlett-Packard
Model 2114B Computers having serial prefix 942-.
Production or manual changes affecting this and
subsequent prefix numbers will be documented in
updating or backdating supplements. To order
additional copies of this manual, refer to Part
Number 02114-90399.
HEWLETT-PACKARD COMPANY
11000 WOLFE ROAD, CUPERTINO, CALIFORNIA, U.S.A.
OCT 1969
2114B Table of Contents
TABLE OF CONTENTS
Section Page
I GENERAL INFORMATION
1-1. Introduction 1-1
1-6. General Description 1-2
1-7. Computer Assemblies 1-2
1-9. Logic Cards 1-2
1-10. Display Assemblies 1- 3
1-11. Backplane Assembly 1-3
1-12. Power Supply 1-3
1-13. 4K Core Memory Assembly 1-3
1-14. Panel Controls and Displays 1- 3
1-17. Accessories 1-9
1-19. AC Power Cable 1-9
1-20. Extender Card 1-9
1-21. Extender Cable 1-9
1-22. Rack Mounting Kit 1-9
1-23. Binary Loader Program 1-9
1-24. Maintenance Tools and Test Equipment 1-9
1-27. Instrument Serial Numbers 1-9
1- 32. Field Office Assistance 1-10
II INSTALLATION
2-1. General 2-1
2-5. Inspection 2-1
2-8. Installation 2-1
2-9. Power 2-1
2-13. Environment 2-1
2-16. Mounting 2-1
2-18. Performance Check 2-1
2-20. Claims 2-1
2-22. Repackaging for Shipment 2-2
2-23. Using Original Packaging 2-2
2-25. Using Other Packaging 2-2
2-27. Warranty 2-2
III THEORY OF OPERATION
3-1. Introduction 3-1
3-3. Overall Operation 3-1
3-5. Control Function 3-1
3-7. Basic Timing 3-1
3-9. Memory Timing 3-2
3-11. Registers 3-2
3-13. Control Logic 3-2
3-16. Arithmetic Function 3-2
3-18. Accumulators 3-2
3-20. Computational Registers 3-2
3-22. Gating 3-2
3-24. Busses 3-2
i
2114B Table of Contents
TABLE OF CONTENTS (Continued)
Section Page
3-26. Memory 3-3
3-28. Core Storage 3-3
3-30. Addressing 3-3
3-32. Sensing 3-3
3- 34. Inhibiting 3-3
3-36. Input/Output 3- 3
3- 38. Control 3-3
3-40. Addressing 3-3
3-42. Interfacing 3-3
3-44. Power Supply 3-3
3-46. Primary Regulator 3-3
3-48. Power Failure Detection 3-4
3 .. 50. Memory Supply 3-4
3-52. Logic Supplies 3-4
3-54. Lamp Supply 3-4
IV MAINTENANCE
4-1. Introduction 4-1
4- 3. Special Servicing Notes 4-1
4 .. 4. Power Supply Servicing 4-1
4-8. Maintenance Procedures 4-3
4-10. Cleaning 4-3
4-11. Filters 4-3
4-12. Dusting 4-3
4-13~ Inspection 4-3
4-16. Supply Voltages 4-3
4-19. Proximity Switches 4-4
4 .. 21. Performance Test 4-4
4 26.
0 Adjustments 4-4
4-28. Primary Regulator Adjustment 4-5
4"30. +20 Volt Memory Supply Adjustment 4-5
4-33. Power Failure Threshold Adjustment 4-5
4 .. 36. Front Panel Bias and Null Adjustment 4-6
4-39. Repair Instructions 4-7
4-40. Trouble Analysis 4-7
4-43. Component Testing 4-7
4-46. Component Replacement 4-9
V DIAGNOSTICS
5-1. Introduction 5-1
5-7. Pretest Checkout 5-1
5-9. Basic Binary Loader 5-3
5-10. Description 5-3
5-12. Storage 5-3
5-14. Program Instructions 5-3
5-16. Entering Instructions 5-3
5-18. Verification 5-3
ii
2114B Table of Contents
TABLE OF CONTENTS (Continued)
Section Page
5-20. Tape Loading Procedures and Options 5-4
5-22. Punched Tape Reader 5 .. 4
5-23. Teleprinter 5-4
5-24. Halts 5 .. 4
5-26. Program Listings 5-4
5-28. Alter-Skip Instruction Test 5 .. 5
5-29. Scope 5 .. 5
5"31. Storage 5 .. 5
5 .. 33. Execution 5-5
5"34 .. Initialization 5-5
5-35. Loading 5 .. 6
5"36. Run 5-6
5"37. Execution Errors 5-6
5 .. 38. Description 5 .. 6
5 .. 41. Examples 5 .. 6
5-45. Program Listing 5 .. 7
5-470 Nemory Reference Instruction Test 5 .. 7
5 .. 48. Scope 5 .. 7
5 .. 50. Storage 5 .. 7
5 .. 520 Execution 5 .. 8
5 .. 530 Initialization 5 .. 8
5-540 Loading 5 .. 8
5 .. 55. Run 5 .. 8
5 .. 56. Execution Errors 5"8
5 .. 58. Description 5 .. 9
5-62. Examples 5 .. 9
5 .. 64. Program Diagram and Listing 5 .. 10
5"'66. Shift-Rotate Instruction Test 5 .. 10
5 .. 670 Scope 5 .. 10
5 .. 69. Storage 5 .. 10
5 .. 71. Execution 5 .. 10
5"72. Initialization 5 .. 10
5-73. Loading 5 .. 10
5 .. 74. Run 5 .. 10
5"75. Execution Errors 5 .. 10
5-77. Description 5 .. 13
5"84. Examples 5 .. 13
5 .. 86. Program Diagram and Listing 5-14
5-88. Nemory Address Tests 5 ... 14
5- 89. Scope 5 .. 14
5-910 Storage 5 .. 14
5 .. 930 Exeqution 5 .. 14
5-94. Initialization 5 .. 14
5-95 .. Loading 5 .. 14
5-96. Run 5 .. 14
5"97. Execution Errors 5 .. 14
iii
2114B Table of Contents
TABLE OF CONTENTS (Continued)
Section Page
5-98. Description 5-14
5-100. Program Diagram and Listing 5-14
5-102. Memory Checkerboard Tests 5-14
5-103. Scope 5-14
5-105. Storage 5-18
5-107. Execution 5-18
5-108. Initialization 5-18
5-109. Loading 5-18
5-110. Run 5-18
5-111. Execution Errors 5-18
5-113. Description 5-18
5-115. Program Diagram and Listing 5-20
5-117. Interrupt Test 5"20
5-119. Summary of Test Instructions 5-20
VI MAINTENANCE DATA
6-1. Introduction 6-1
6-3. Abbreviations and Mnemonics 6-1
6-8. Equations 6-1
6-11. Interconnections and Wiring Data 6-1
6-12. Interconnection Diagram 6-1
6-13. Backplane Wiring List 6 .. 1
6-17. Wiring Diagram 6-2
6-18. Schematic Diagrams 6-2
6-22. Parts Information 6-2
6-24. Part Location Diagrams 6-2
6-25. Reference Designation Indexes 6-2
6-26. Replaceable Parts Table 6-2
6-27. Ordering Instructions 6-3
VII REPLACEABLE PARTS
7-1. Introduction 7-1
7-5. Ordering Information 7-1
iv
2114B Table of Contents
LIST OF ILLUSTRATIONS
Figure Title Page
1 .. 10 Hewlett-Packard Model 2114B Computer 1-1
1-2 .. Simplified Block Diagram Showing the Major Functions
of the 2114B Computer 1-2
1-30 Major Computer Assemblies 1-3
1"40 Typical Computer Logic Card 1-4
1.. 50 Computer Front Panel Showing the Location of Operating
Controls and Indicators 1-4
1 .. 60 Computer Front Panel in Open Position Showing the
Location of Protected Switches 1-5
1"'70 Top View of Computer Showing the Location of Power
Supply Adjustments 1-5
Rear View of Computer Showing Maintenance Featu~es 1-8
Computer Accessories 1-9
Computer Configured for 230V ac 2-1
3 .. 10 Computer Block Diagram 3-1
3 ... 20 Control Block Diagram 3-2
3- 30 Arithmetic Block Diagram 3-2
3 .. 40 Memory Block Diagram 3 .. 3
3 .. 50 I/O Block Diagram 3-3
3-60 Power Supply Block Diagram 3-4
Isolation of the Computer Power Supply 4-2
Adjustment and Test Point Locations for the Front
Panel Display Board (02114-6009) 4-8
5-1 .. Memory Reference Instruction Test, Functional Diagram S-11
5"20 Shift"Rotate Instruction Test, Functional Diagram 5-15
5" 30 Memory Address Test, Functional Diagram 5-17
5"'4 0 Memory Checkerboard Test, Functional Diagram 5-19
6"10 Overall Interconnection Diagram 6-20
6"'20 Top View of Computer Showing Assembly Locations 6-28
6 .. 30 Partial Bottom View of Computer Showing Backplane
Assembly (02114-6022) and Chassis Mounted Parts,
Part Location and Wiring Diagram 6-39
6 .. 40 Driver/Switch Card (02114 a 60427),Part Location
Diagram 6-40
6 .. 5 .. Driv,er/Switch Card (02114-60427},Schematic Diagram 6-41
6 .. 60 Inhibit Driver Card (02114-60429),Part Location
Diagram 6-42
6"70 Inhibit Driver Card (02114-60429),Schematic Diagram 6-43
6"8. Sense Amplifier Card (02114-6005), Part Location
Diagram 6-44
Sense Amplifier Card (02114"6005), Schematic Diagram 6-45
Arithmetic Logic Card (02114-60424),Part Location
Diagram 6 .. 46
v
2114B Table of Contents
LIST OF ILLUSTRATIONS (Continued)
Figure Title Page
6-11. Arithmetic Logic Card (02114-60424),Schematic
Diagram 6-47
6-12. Timing Generator Card (02114-60426),Part Location
Diagram 6-48
6-13. Timing Generator Card (02114-60426),Schematic
Diagram 6-49
6-14. Instruction Decoder Card (02114-60425),Part
Location Diagram 6-50
6-15. Instruction Decoder Card (02114-60425),Schematic
Diagram 6-51
6-16. Shift Logic Card (02114-6003), Part Location
Diagram 6-52
6-17. Shift Logic Card (02114-6003), Schematic Diagram 6-53
6-18. Display Board (02114-6009), Part Location Diagram 6-54
6-19. Display Board (02114-6009), Schematic Diagram
6-55
6-20. Display Board Cable Assembly (02114-6016), Wiring
Index and Part Location Diagram 6-58
6-21. Capacitor Board (02114-6013), Part Location
Diagram 6-60
6-22. Capacitor Board (02114-6013) and Transformer T1,
Part Location and Wiring Diagram 6-61
6-23. Heat Sink Assembly, Part Location and Wiring Diagram 6-63
6-24. Regulator Card (02114-6010), Part Location Diagram 6-65
6-25. Rear Panel Assembly (02114-0009), Part Location
Diagram and Wiring Diagram 6-66
6-26. Power Supply Assembly (02114-6020), Schematic Diagram 6-67
vi
2114B Table of Contents
LIST OF TABLES
) Table Title Page
1-1. l-lajor Computer Assemblies 1- 3
1-2. Location and Description of Controls and Indicators 1-6
1- 3. Location and Description of Computer Maintenance
Features 1- 8
1-4. Recommended Test Equipment 1-10
4-1. Supply Voltages 4-4
5-1. State of Front Panel Indicators After Power Turn-on 5-2
5-2. Absolute Instructions for Use with 2752A Teleprinter
(Serial) 5-3
5- 3. Absolute Instructions for Use with 2752A Teleprinter
(Parallel), or 2737A Punched Tape Unit 5-3
5-4. Punched Tape Reader Loading Options 5-4
5-5. Loading Halts 5-5
5-6. Alter-Skip Program Module Locations 5- 8
5-7. Memory Reference Instruction Test (Basic Portion),
Error Halt Indications 5-9
5-8. Memory Reference Instruction Test (Extended Portion),
Module Locations and Test Functions 5-9
5-9. Memory Reference Interactive Module Locations
and Tests 5-9
5-10. Shift-Rotate Instruction Test (Basic Portion)
) Error Halts 5-10
5-11. Shift-Rotate Group Test Sections 5-13
5-12. Shift-Rotate Group Special Test Octal Codes 5-13
5-13. Shift-Rotate Group Special Test Error Halts 5-15
5-14. Summary of Test Instructions 5-20
6-1. Signal Index 6-3
6-2. Backplane Wiring List 6-21
6- 3. Logic Equations 6-29
6-4. Backplane Assembly (02114-6022) and Chassis Mounted
Parts, Reference Designation Index 6-38
6-5. Driver/Switch Card (02114-60427) ,Reference Designa-
tion Index 6-40
6-6. Inhibit Driver Card (02114-60L~29),Reference Designa-
tion Index 6-42
6-7. Sense Amplifier Card (02114-6005), Reference
Designation Index 6-44
6-8. Arithmetic Logic Card {02114-60424),Reference
Designation Index 6-46
6-9. Timing Generator Card (02114-60426),Reference
Designation Index 6-48
6-10. Instruction Decoder Card (02114-6042S),Reference
Designation Index 6-50
)
vii
2114B Table of Contents
LIST OF TABLES (Continued)
Table Title Page
6-11. Shift Logic Card (02114-6003), Reference Designation
Index 6-52
6-12. Display Board (02114-6009), Reference Designation
Index 6"54
6-13. Power Supply Assembly (02114-6020), Overall
Reference Designation Index 6 .. 59
6-14. Capacitor Board (02114-6013), Reference Designation
Index 6-60
6-15. Heat Sink Assembly, Reference Designation Index 6 .. 62
6-16. Regulator Card (02114-6010), Reference Designation
Index 6 .. 64
7 .. 1. Reference Designations and Abbreviations
7-2. Replaceable Parts
7- 3 .. Code List of Manufacturers
viii
2114B Table of Contents
APPENDIX A
Paragraph Page
A-1o General Classifications A-1
A- 3 .. Inversion A .. 1
A-S. Gates A-1
A-7. AND Gate A-2
A.. 9. OR Gate A-2
A-11. NAND Gate A-3
A-13. NOR Gate A-3
A-1S. Expander Gates A-4
A-17. Regenerative Switching Elements A-S
A-19. Flip"Flops A-S
A-21. R.. S Flip .. Flop A .. 6
A-23. R-S Flip .. Flop with Clock A-6
A.. 26. JoK FlipaFIOp A-7
A.. 28. Toggle Flip=Flop A" a
A"'31. Latching Flip .. Flop A" 9
A"'33. Delay Flip"'Flop A-9
A"'3S. Gate Flip"Flop A.,10
A"'37. Amplifiers A"'10
Figures Page
A=1o Gate Symbols A=1
A .. 2,. Three Input 4GAND" Gate A .. 2
A-3 .. Three Input GGOR'? Gate A.. 2
A .. 4" Three Input "NAND" Gate A .. 3
A-S. Three Input