Control Data 3234-E Storage Controller Manuals

Manuals and User Guides for Control Data 3234-E Storage Controller. We have 1 Control Data 3234-E Storage Controller manual available for free PDF download: Hardware Reference Manual

Control Data 3234-E Hardware Reference Manual

Control Data 3234-E Hardware Reference Manual (91 pages)

MASS STORAGE CONTROLLERS

Brand: Control Data | Category: Controller | Size: 6 MB

Table of Contents

Table of Contents

5
- 1 General Description
  
  7
  - Introduction
    7
  - Functional Description
    8
    
    Subsystem Configuration
    9
    
    Controller
    11
    
    Peripheral Storage Devices
    12
    
    Data Format
    18
    
    Sector Format
    19
    
    Checkword
    20
  - Data Transfer
    21
    
    Access Time
    22
- 2 Operation and Programming
  
  24
Connect Code (Nodu)

26
- Function Codes
  28
- Status Codes
  41
- Lost Data
  44
- No Compare
  44
- Checkword Error
  45
- End of Record
  45
- Write Lockout on Read (Normal)
  45
- Write Lockout on Write (Abnormal)
  45
- Abnormal End of Operation Interrupt
  46
- End of Operation Interrupt
  46
- Positioner Ready
  46
- Reserved
  46
- Seek Interrupt
  46
- Programming Considerations
  47
  - Connect
    47
  - Simultaneous Connect
    47
  - Mode Restrictions
    47
  - Defective Track
    47
  - Master Clear, Release and
    48
  - Restore (Strip File)
    48
  - Interrupts
    48
  - Abnormal EOP Interrupt
    49
  - Seek/Sector Verification
    49
  - Overlap Seek
    50
  - Seek Interrupts
    50
  - And 4X F Unction Codes
    51
  - Records
    51
  - System Errors and Performance
    52
  - Addressing
    56
  - Strip File 2
    60
  - Disk Storage Drives
    60
  - Unsafe Conditions
    61
  - Sector Timing
    62
  - Buffer Timing
    63
- Manual Operations
  64
  - Power Sequence
    64
  - Loading and Unloading Procedures
    65
  - Ready State
    69
  - Procedures for Writing Address Headers
    71
  - Procedures for Writing Data
    72
- Sample Program Routines
  73
  - Program Sequence
    73
  - Program a
    74
  - Program B
    78
- 3 Switches and Indicators
  82
  - Maintenance Panel
    82
  - CONTROL a and CONTROL B
    83
  - Logical/Physical Units
    83
  - Device Select
    84
  - Register Select
    84
  - Register Indicators/Switches
    84
  - Defective Sector
    84
  - Ta (Write)
    84
  - Data (Read)
    84
  - Header
    85
  - Write Lockout
    85
  - Track
    85
  - Cyl/Strip
    85
  - File/Cell
    86

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