Shugart SA 400 minifloppy Manuals

Manuals and User Guides for Shugart SA 400 minifloppy. We have 3 Shugart SA 400 minifloppy manuals available for free PDF download: Service Manual, Manual

Shugart SA 400 minifloppy Manual (48 pages)

Diskette storage drive

Brand: Shugart | Category: Floppy Disk Drive | Size: 3.55 MB

Table of Contents
4
1 Introduction

8
2 Functional Characteristics

10
- General Operation
  10
- SA400 Functional Diagram
  10
- 2:2 Read/Write and Control Electronics
  11
- Drive Mechanism
  11
- R/W Head Positioning Mechanism
  11
- Read/Write Head
  11
- Recording Format
  11
3 Functional Operations

12
- Power Sequencing
  12
- Drive Selection
  12
- Motor on
  12
- Track Accessing
  12
- Track Access Timing
  13
- Read Initiate Timing
  13
- Step out
  14
- Step in
  14
- Read Operation
  14
- Write Operation
  14
- Sequence of Events
  14
- Multiplex Option
  14
- Drive Selection
  14
- Read Signal Timing
  15
- Write Initiate Timing
  15
- Write Data Timing
  15
- General Control and Data Timing Requirements
  16
4 Electrical Interface

18
- Signal Interface
  18
- Input Lines
  18
- Drive Select
  18
- Interface Connections
  19
- Input Line Terminations
  20
- Motor on
  20
- Direction Select
  20
- Step
  20
- Write Gate
  20
- Write Data (FM)
  21
- Output Lines
  21
- Track
  21
- Index/Sector
  21
- Interface Signal Driver/Receiver
  21
- Index Sector Timing Soft Sectored (SA104 Media)
  21
- Index Sector Timing Hard Sectored
  21
- Read Data
  22
- J 1 Connector Dimensions
  24
- J2 Connector
  25
- Interface Connectors-Physical Locations
  25
- SA400 Drive Dimensions
  27
- Data Pattern
  28
- Bit Cell
  28
- Byte
  29
- Data Bytes
  29
- Track Format-18 Records/Track
  30
- ID Address Mark
  31
- Data Address Mark
  32
- Deleted Data Address Mark
  32
- Soft Sectored Formats
  33
- Hard Sectored Formats
  33
- Data Separator Functional Diagram
  35
- Data Separator Timing Diagram
  35
- True Data Separator
  37
- Register Controls and am Detection
  38
- Data and Clock Registers
  39
- AM Timing
  40
- CR C Generation
  42
- Index/Sector Separator and Ready Circuit
  43
- Index/Sector Timing
  44
- SA400 with SA4400 Controler
  45
- Load Ing SA400
  46
- SA 104/1 05 Write Protect
  47

Shugart SA 400 minifloppy Service Manual (76 pages)

Diskette Storage Drive

Brand: Shugart | Category: Storage | Size: 2.97 MB

Table of Contents
5
Theory of Operations
7
- General Operations
  7
- Head Positioning
  7
- Diskette Spindle Drive
  8
- Head/Write Head
  8
- Hecording Format
  8
Data Pattern
8
- Bit Cell
  9
- Byte
  9
Functional Diagram
8
Data Bytes
9
- Tracks
  10
- Track Format
  10
- Sector Recording Format
  10
- Soft Sector Recording Format
  10
Drive Motor Control
12
Motor Control Functional Diagram
12
Drive Selection
13
- Head Load
  13
- Singlle Drive System
  13
- Mu Itiple Drive System
  13
Index Detector
14
Index Detector Logic
14
- Track Zero Indication
  15
Track 00 Indication Diagram
15
Track 00 Timing Diagram
15
- Track Accessing
  16
  - Stepper Motor
    16
  - Stepper Control
    16
  - Stepout
    16
  - Step in Mode
    16
Step out Logic
16
- Read/Write Operations
  19
Bit Cell
20
Recorded Bit
20
Reading a Bit
21
- Read/Write Head
  22
- Write Circuit Operation
  23
Read Circuit Operation
24
11.0 Write Protect
25
12.0 Interface
26
- 12. . 1 J1/P1 Connector
  26
- Power
  26
- Input/Output Lines
  26
SA400 Interface Connections
27
Step in Logic
30

Shugart SA 400 minifloppy Service Manual (76 pages)

Diskette Storage Drive

Brand: Shugart | Category: Floppy Disk Drive | Size: 4.12 MB

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Storage Floppy Disk Drive Computer Hardware DC Drives Controller

More Shugart Manuals

Shugart SA 400 minifloppy Manuals

Shugart SA 400 minifloppy Manual (48 pages)

Table of Contents

1 Introduction

2 Functional Characteristics

3 Functional Operations

4 Electrical Interface

Shugart SA 400 minifloppy Service Manual (76 pages)

Table of Contents

Shugart SA 400 minifloppy Service Manual (76 pages)

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