Seagate STT20000N Minicartridge Drives Manuals

Manuals and User Guides for Seagate STT20000N Minicartridge Drives. We have 1 Seagate STT20000N Minicartridge Drives manual available for free PDF download: Product Manual

Seagate STT20000N Product Manual

Seagate STT20000N Product Manual (70 pages)

SCSI Minicartridge Drives (standard and NS-20 versions)

Brand: Seagate | Category: DC Drives | Size: 0.3 MB

Table of Contents

Table of Contents
5
Introduction

9
- Drive Overview
  9
- Features
  12
- Typical System Configurations
  13
- Minicartridge Technology Overview
  13
- Flash EEPROM
  14
- Software
  14
- References
  14
- About this Manual
  15
Specifications

17
- Overview
  17
- Physical Specifications
  17
- Power Specifications
  19
- Drive Performance Specifications
  20
- Environmental Requirements
  21
- Reliability
  22
  - Mean-Time-Between Failures
    22
  - Mean-Time-To-Repair
    22
- Recommended Tapes
  23
- Regulatory Compliance
  23
Installation

25
- Introduction
  25
- Handling Guidelines
  25
- Installation Overview
  25
- Setting Jumpers
  26
  - SCSI Device Address Jumpers
    27
  - Parity
    27
  - SCSI Terminator Enable
    27
  - Terminator Power
    28
- Installing the Drive
  29
- Mounting Dimensions
  30
- Cabling and Connectors
  31
  - Electrical Characteristics
    32
  - Single-Ended SCSI Connector
    33
Drive Operation and Maintenance

35
SCSI Interface

41
- Introduction
  41
- SCSI-1 Interface
  41
  - SCSI-1 Status Codes
    41
  - SCSI-1 Message Codes
    42
  - SCSI-1 Commands
    43
- Ansi X3.131 Conformance Statement (Scsi-1)
  44
  - General Features
    44
  - Commands
    44
  - Messages
    45
  - Vendor-Unique Commands
    45
- SCSI-2 Interface
  45
  - SCSI-2 Status Codes
    45
  - SCSI-2 Message Codes
    46
  - SCSI-2 Commands
    46
- ANSI X3.T92 Conformance Statement (SCSI-2)
  48
  - SCSI-2 General Features
    48
  - SCSI-2 Commands
    48
  - SCSI-2 Messages
    49
  - SCSI-2 Vendor-Unique Commands
    49
- Command Set Changes to Incorporate RWW and HDC
  50
  - Read-While-Write
    50
    
    Log Sense Write Error Counts Page Code (02H)
    50
  - Hardware Data Compression
    51
    
    Mode Select / Mode Sense Data Compression Page Code (0Fh)
    51
    
    Parameters that Control Data Compression
    52
Tape Format

53
- Introduction
  53
- Tape Partitioning
  53
- Track Positions
  53
- Track Numbering
  54
- Track Format
  54
  - Frames
    54
  - Blocks
    56
- Tape Reference Servo Pattern
  56
- Write Equalization
  57
- Randomization
  57
Theory of Operations

59
- Overview
  59
- Drive Configurations
  59
- Block Diagrams
  59
- Mechanics
  61
  - Cartridge Load Mechanism
    61
  - Capstan Drive Motor Assembly
    61
  - Chassis
    61
- Control Circuits
  61
- Head Design
  62
- Flash EEPROM
  62
- Sensors and Switches
  62
- Media (Travan Minicartridges)
  63
- Read-While-Write
  64
- ALDC Data Compression
  64
Glossary

65
Acronyms and Units of Measurement

68
- Acronyms and Abbreviations
  68
- Units of Measurement
  70

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