Acorn FileStore E20 Manuals

Manuals and User Guides for Acorn FileStore E20. We have 1 Acorn FileStore E20 manual available for free PDF download: Service Manual

Acorn FileStore E20 Service Manual

Acorn FileStore E20 Service Manual (164 pages)

file server

Brand: Acorn | Category: Network Storage Server | Size: 6 MB

Table of Contents

Table of Contents
3
Introduction
9
Part I: Filestore E01
11
Introduction to the E01 Unit
13
- Equipment Description
  13
- Function
  13
- Prerequisites for Use
  13
- Enhancements
  13
E01 Specification
14
- General Specification
  14
- Physical
  16
  - E01 Unit
    16
- Operation
  16
  - Indicators
    16
  - Controls
    16
- Signal Connectors
  17
  - Filestore E01 Expansion Bus Pinouts
    17
  - Econet Port
    17
  - Printer Port
    18
- Power Input
  18
- Power Supply
  19
  - Power Required
    19
  - Specification
    19
- Safety Standards
  19
- Electromagnetic Interference
  19
  - Standards
    19
  - Mains Transients
    19
  - Electrostatic Discharge
    20
- Environment
  20
  - Operating
    20
  - Storage and Shipping
    20
- Operational Lifetime
  21
E01 Disassembly and Assembly
23
- Disassembly Procedure
  23
- Assembly Procedure
  23
E01 Circuit Description
25
- Timing
  25
- Sequential Circuits
  25
  - RAM Refresh
    25
  - ROM/RAM Latch
    25
  - Inton/Intoff
    25
  - Econet Clock Generation
    25
- The RESET Circuitry
  26
- Battery Backup
  26
- The Central Processor
  26
- Random Access Memory (RAM)
  26
- Read-Only Memory (ROM)
  26
- The Econet Port
  27
  - The Econet Network
    27
  - Econet Module
    27
  - Econet Clock and Active Terminator
    27
- The Disc Interface
  27
- The Printer/Via Circuitry
  28
- The Real-Time Clock (RTC)
  28
- The Filestore Expansion Bus and E20 Interface
  28
  - Termination
    28
- Main Signal Paths
  28
  - Data Bus
    28
  - Address Bus
    28
  - Address Decoding
    29
  - Machine Operating System Function Calls
    30
- Link Survey
  32
E01 Fault Finding
33
- Stage 1: Initialisation
  33
- Stage 2: Net Link
  33
- Stage 3: Final Checks
  33
Part II : Filestore E20
35
Introduction to the E20 Unit
36
- Packaging
  36
- Identification
  36
E20 Specification
39
- General Specification
  39
  - Hardware Components
    39
  - Software Components
    39
- Physical
  39
  - E20 Unit
    39
  - E20 Packaging
    39
- Operation
  40
  - Controls
    40
  - Indicators
    40
- Host Adaptor
  40
- Filestore E20 Expansion Input/ Output Ports
  40
  - The Filestore E20 Expansion Bus Connector
    40
- Power Input
  42
- Power Supply
  42
  - Power Required
    42
- Safety Standards
  43
- Electromagnetic Interference
  43
  - Standards
    43
  - Mains Transients
    43
  - Electrostatic Discharge
    43
- Environment
  43
  - Operating
    43
  - Storage and Shipping
    44
- Emitted Acoustic Noise
  44
- Operational Lifetime
  44
E20 Disassembly and Assembly
45
- Disassembly Procedure
  45
- Serviceable Parts
  45
- Assembly Procedure
  45
E20 Circuit Description
47
- The Disc Controller Board
  47
- SCSI Control and Data Lines
  47
  - Other Pins
    48
  - SCSI Connector Pinout (PL2 and J4)
    48
- Bus Phases
  48
  - Bus Free Phase
    49
  - Selection Phase
    49
  - Information Transfer Phases
    49
- The Reset Condition
  50
- The 2Mhz Bus
  50
- Winchester Disc Host Adaptor
  51
  - Address Decoding and Handshaking
    51
  - Buffering
    52
  - Termination
    53
E20 Fault Finding
55
- Power Supply
  55
- Address Decoding
  56
- Hand Shaking
  56
- Bus Lines
  56
- Final Checks
  56
Part III : Filestore E01S
57
Introduction to the E01S Unit
59
- Equipment Description
  59
- Function
  59
- Prerequisites for Use
  59
- Enhancements
  59
E01S Specification
61
- General Specification
  61
- Physical
  62
  - E01S Unit
    62
  - E01S Packaging
    62
- Operation
  62
  - Indicators
    62
  - Controls
    62
- Signal Connectors
  63
  - Filestore E01S Expansion Bus Pinouts
    63
  - Econet Port
    63
  - Printer Port
    64
- Power Input
  64
- Power Supply
  65
  - Power Required
    65
  - Specification
    65
- Safety Standards
  65
- Electromagnetic Interference
  65
  - Standards
    65
  - Mains Transients
    66
  - Electrostatic Discharge
    66
- Environment
  66
  - Operating
    66
  - Storage and Shipping
    67
- Operational Lifetime
  67
E01S Disassembly and Assembly
69
- Disassembly Procedure
  69
  - Figure 1: Rear Plastic Removal
    70
  - Assembly Procedure
    71
E01S Circuit Description
73
- The Central Processor
  73
- Random Access Memory (RAM)
  73
- Timing
  73
  - The Real-Time Clock (RTC)
    73
  - Figure 2: RTC Read/Write Timing
    74
- Sequential Circuits
  75
  - RAM Refresh
    75
  - Memory Read / Write
    76
  - Rom Control
    76
  - Inton/Intoff
    77
  - Econet Clock Generation
    78
- Battery Backup
  78
- The Econet Port
  78
  - Econet Module
    78
  - Econet Clock and Active Terminator
    78
- The Disc Interface
  78
- The Printer /VIA Circuitry
  79
- The Filestore Expansion Bus and E40S/E60S Interface
  79
  - Buffering
    80
  - Termination
    80
- Main Signal Paths
  80
  - Data Bus
    80
  - Address Bus
    80
  - Address Decoding
    80
  - Machine Operating System Function Calls
    81
- Link Survey
  83
E01S Fault Finding
85
- Power Supply
  85
- Initialisation
  88
- Net Link
  88
- Final Checks
  88
Part IV: Filestore E40S and E60S
89
Introduction to the E40S and E60S
91
E40S/ E60S Specification
93
- General Specification
  93
  - Hardware Components
    93
  - Software Components
    93
- Physical
  93
  - E40S and E60S Units
    93
  - E40S/E60S Packaging
    93
- Operation
  93
  - Controls
    94
  - Indicators
    94
- Expansion Input/Output Ports
  94
  - Filestore E40S/E60S Expansion Bus Connector
    94
- Power Input
  95
- Power Supply
  95
  - Power Required
    95
- Safety Standards
  96
- Electromagnetic Interference
  96
  - Standards
    96
  - Mains Transients
    96
  - Electrostatic Discharge
    96
- Environment
  96
  - Operating
    96
  - Storage and Shipping
    97
- Emitted Acoustic Noise
  97
- Operating Lifetime
  97
E40S/E60S Disassembly and Assembly
99
- Disassembly Procedure
  99
- Parts Not Serviceable
  101
- Assembly Procedure
  101
E40S/E60S Circuit Description
103
- Bus Phases
  103
  - Bus Free Phase
    103
  - Selection Phase
    103
  - Information Transfer Phases
    103
  - Termination
    105
E40S/E60S Fault Finding
107
- Power Supply
  107
- Address Decoding
  108
- Hand Shaking
  108
- Bus Lines
  108
- Final Checks
  109
Appendix A. Test Equipment
111
- Equipment Required
  111
- Setting up
  111
  - Connecting the Test Station
    111
  - Connecting the UUT
    111
- Test Procedure
  112
  - Menus
    112
  - Selecting Menu Entries
    112
- Fservcopy
  113
- Fservedit
  114
- Fservfmt
  115
- Fservinit
  116
- Fservcmos
  117
- Fservsoak
  118
- Fservtest
  119
  - Filestore E01
    119
  - Filestore E01S
    120
- Checking the Test Equipment (Validation)
  121
  - Equipment Required
    121
  - Validation Procedure
    121
- Modifying the Test Software
  121
Appendix B. Parts Lists
123
Appendix C. Diagrams
149

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