Seagate STT20000A Manuals

Seagate STT20000A Manuals

Manuals and User Guides for Seagate STT20000A. We have 1 Seagate STT20000A manual available for free PDF download: Product Manual

Seagate STT20000A Product Manual

Seagate STT20000A Product Manual (88 pages)

ATAPI Minicartridge Drive

Brand: Seagate | Category: Storage | Size: 0 MB

Table of Contents

Fcc Notice
3
Table of Contents
5
Introduction

9
- Drive Overview
  9
- Features
  11
- Typical System Configurations
  12
- Minicartridge Technology Overview
  12
- Flash EEPROM
  13
- Software
  13
- References
  13
- About this Manual
  14
Specifications

15
- Overview
  15
- Physical Specifications
  15
- Power Specifications
  17
- Performance Specifications
  18
- Environmental Requirements
  19
- Reliability
  20
  - Mean-Time-Between Failures
    20
  - Mean-Time-To-Repair
    20
- Recommended Tapes
  21
- Regulatory Compliance
  21
Installation

23
- Introduction
  23
- Before You Begin
  23
  - Handling Guidelines
    23
- Setting Jumpers
  24
- Installing the Drive
  25
- Mounting Dimensions
  26
- ATA-2 Interface Pin Assignments
  28
Drive Operation and Maintenance

31
- Introduction
  31
- Front Panel LED
  31
- Using Travan Cartridges
  32
  - Loading and Unloading Cartridges
    32
  - Setting the Write-Protect Switch
    33
- Loading Revised Firmware Via Seagate Firmware Cartridge
  34
- Drive Maintenance
  35
  - Caring for Tape Cartridges
    35
  - Cleaning the Drive Read/Write Head
    35
- Troubleshooting
  36
ATAPI Interface

39
- Introduction
  39
- ATA-2 Interface
  39
  - ATA-2 Signals
    39
    
    Dasp
    39
    
    Pdiag
    39
  - ATA Registers
    40
    
    Status Register
    40
    
    Error Register
    41
    
    Feature Register
    41
  - Supported ATA Commands
    42
    
    Execute Drive Diags (90H)
    42
    
    Idle Immediate (E1H)
    42
    
    Standby Immediate (E0H)
    42
    
    Check Power Mode (E5H)
    42
    
    Sleep (E6H)
    42
    
    Set Features (Efh)
    43
    
    ATAPI Identify Device (A1H)
    44
    
    ATAPI Packet Command (A0H)
    45
    
    ATAPI Soft Reset (08H)
    45
- ATAPI Interface
  46
  - Reserved Fields
    47
- Erase Command
  48
- Inquiry Command
  49
- Load/Unload Command
  50
- Locate Command
  51
- Log Select Command
  52
- Log Sense Command
  53
  - Error Counter Page (Read)
    54
  - Tape Capacity Page Code
    55
- Mode Select Command
  57
- Mode Sense Command
  58
- Read Command
  62
- Read Position Command
  63
- Request Sense Command
  65
- Rewind Command
  67
- Space Command
  68
- Test Unit Ready Command
  69
- Write Command
  70
- Write Filemark Command
  71
- Write Buffer (Download Microcode) Command
  72
Tape Format

73
- Introduction
  73
- Tape Partitioning
  73
- Track Positions
  73
- Track Numbering
  74
- Track Format
  74
  - Frames
    74
  - Blocks
    76
- Tape Reference Servo Pattern
  76
- Write Equalization
  77
- Randomization
  77
Theory of Operations

79
- Overview
  79
- Block Diagram
  79
- Drive Mechanisms
  80
  - Mechanics
    80
  - Cartridge-Load Mechanism
    80
  - Capstan/Drive-Motor Assembly
    80
  - Chassis
    80
- Control Circuits
  80
- Head Design
  81
- Flash EEPROM
  81
- Sensors and Switches
  81
- Drive Media (Travan Minicartridges)
  82
  - Acronyms and Abbreviations
    86
  - Units of Measurement
    88

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