Seagate ST212 10GB Hard Drive Manuals

Manuals and User Guides for Seagate ST212 10GB Hard Drive. We have 1 Seagate ST212 10GB Hard Drive manual available for free PDF download: Product Manual

Seagate ST212 Product Manual

Seagate ST212 Product Manual (54 pages)

Brand: Seagate | Category: Storage | Size: 2 MB

Table of Contents

Table of Contents
4
1 Specification Summary

8
2 St212 Host/Drive Interface

13
3 Drive Configuration

18
- Drive Configuration: Shunt J9 (MLC-Ol)
  18
  - Daisy-Chain
    18
- Radial
  19
- Write Fault
  19
- Life Test
  19
- FIGURE 9: Radial Configuration
  19
4 Control Input Signais

20
- Head Select 2
  20
- Write Gate
  20
- FIGURE 10: Control Signais Driver/Receiver Combination
  20
- Step
  21
  - Buffered Seek
    21
  - FIGURE Il Read/Write Timing
    21
  - Slow-Step (Single-Track)
    22
  - FIGURE 12 General Step Timing
    22
  - FIGURE 13: Slow-Step Timing
    22
  - Auto-Truncation
    23
- Direction in
  23
- Drive Select
  23
- FIGURE 14: Auto-Truncation Timing
  23
- FIGURE 15: Drive Select
  24
- Control Output Signals
  25
- Drive Selected
  25
- Index
  25
- Track
  25
- Ready
  25
- Seek Complete
  26
- Write Fault
  26
  - Write Fault Signal Generation
    26
    
    FIGURE 16: Typical Power-Up Sequence
    26
    
    Write Current Interruption
    27
- Fault Detection PC Board 20292-XXX
  27
  - Voltage and Head Select Comparator
    27
  - Write Fault Reset
    27
- Fault Detection: PC Board 20243-XXX
  28
  - Voltage Comparator
    28
  - Head Select Comparators
    28
6 Read/Write Operations

29
- Write Operation: PC Board 20292-XXX
  29
  - MFM Write Data
    29
  - FIGURE 19: Data Signal Driver/Receiver Combination
    29
  - Write Gate
    30
  - Write Dataprocessing
    30
  - Precompensation
    30
- Write Operation PC Board 20243-XXX
  31
  - Write Gate
    31
  - Line Receiver
    31
- Formatting
  32
- FIGURE 22: 17-Sector, 512-Byte/Sector Format Example
  32
- Read Operation PC Board 20292-XXX
  33
  - MFM Read Data
    33
  - Head Select
    33
  - LSI Preamp
    33
  - Low Pass Filter
    33
  - Read Data Conversion
    33
- Read Operation: PC Board 20243-XXX
  34
  - Head Select
    34
  - LSI Preamp
    34
  - Low Pass Filter
    34
  - Phase Shifter
    34
  - Zero Cross Detector
    34
  - Time Domain Filter
    35
  - Line Driver
    35
7 Microprocessor

36
8 Mofor SPEED CONTROL

38
- Motor Speed Control: PC Board 20292-XXX
  38
  - Hall Effect Transducer
    38
  - Spindle Motor Control LSI
    38
- Motor Speed Control PC Board 20249-XXX
  38
  - Hall Effect Transducer
    39
  - Speed Reference Circuit
    39
  - Pulse Shaper
    39
  - Integrator
    39
  - Current Limit
    39
  - Microprocessor: Motor on
    39
  - Motor Drivers
    39
  - Dynamic Brake
    39
9 Field Service

40

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