Quantum Audio STT2401A, STT3401A - page 116

Chapter 5 ATAPI Interface

Page 108 Seagate Travan 40 Product Manual

PACKET (ATA Command A0)

The PACKET command is used to transfer a device command via a command

packet.

See the section ATAPI Packet Protocol, above for details.

Contents

Main Page FCC Notice Important Information About This Manual Table of Contents Introduction 1 Specifications 5 Installation 11 Drive operation and maintenance 16 ATAPI interface 27 Travan 40 tape format 114 Theory of operations 119 Glossary 123 Page Introduction Drive overview Key features Typical system configurations Minicartridge technology overview Flash EEPROM References Specifications Performance specifications Recording Specifications Physical specifications Power supply specifications Current and power requirements Power connector The following table lists pin assignments for the power connector for the drive. Environmental requirements Reliability Mean-Time-Between-Failures Mean-Time-To-Repair Tape compatibility Regulatory compliance Installation Before you begin Handling guidelines Setting jumpers Page Installing the drive Mounting dimensions Page Drive operation and maintenance Introduction Front panel LED Using Travan cartridges Loading cartridges Unloading cartridges Emergency cartridge removal Setting the write-protect switch Drive maintenance Caring for tape cartridges Cleaning the drive read/write head Troubleshooting Initial checks No drive response, front panel LED does not light Front panel LED blinks rapidly following power-up self-test Drive does not come ready Motor starts to drive cartridge but stops immediately Drive will not write but will read previously written tapes Tape does not stream Drive not seen during boot-up Drive not seen by OS after boot-up Tape wont load Back-up program freezes or locks up Bad blocks, media errors, etc. Slow backups Tape wont eject Incompatible format, Wont write on this tape Loading revised firmware via Seagate firmware cartridge Page ATAPI interface Introduction ATA-2 Interface pin assignments ATAPI commands Specification compliance ERASE (Group 0, Op. Code 19) INQUIRY (Group 0, Op. Code 12) Page LOAD/UNLOAD (Group 0, Op. Code 1B) Page LOCATE (Group 1, Op. Code 2B) LOG SELECT (Group 2, Code 4C) LOG SENSE (Group 2, Op. Code 4D) Page 00hSupported Log Page Page 03hError Counter for READ (ATAPI) Page Page 2EhTapeAlert Diagnostic Page Page Page Page Page 31hTape Capacity Page Page 31hSpecial Information Page 33hSpecial Information in STT31401A mode Page Page 3EhReport Check-Sum of FLASH-RAM (LOG SENSE only) Page MODE SELECT (Group 0, Op. Code 15) CDB for MODE SELECT Command Page Page Page Page Page Page Page Page Page MODE SENSE (Group 0, Op. Code 1A) Page Page Page Page PREVENT/ALLOW MEDIA REMOVAL (Group 0, Op. Code 1E) READ (Group 0, Op. Code 08) Page READ BUFFER (Group 1, Op. Code 3C) Page READ POSITION (Group 1, Op. Code 34) Page REQUEST SENSE (Group 0, Op. Code 03) Page Page Request Sense Keys Sense Code (ASC) and ASC Qualifier Assignments Page Page REWIND (Group 0, Op Code 01) SEND DIAGNOSTIC (Group 0, Code 1D) SPACE (Group 0, Op. Code 11) Page TEST UNIT READY (Group 0, Op Code 00) VERIFY (Group 0, Op. Code 13) WRITE (Group 0, Op. Code 0A) WRITE BUFFER (Group 1, Op. Code 3B) Page WRITE FILEMARK (Group 0, Op. Code 10) Page ATA Command Descriptions Page CHECK POWER MODE (ATA Command E5) DEVICE RESET (ATA Command 08) EXECUTE DEVICE DIAGNOSTIC (ATA Command 90) Page IDENTIFY DEVICE (ATA Command EC) IDENTIFY PACKET DEVICE (ATA Command A1) Page Chapter 5 ATAPI Interface Page 100 Seagate Travan 40 Product Manual ATAPI Interface Chapter 5 Seagate Travan 40 Product Manual Page 101 Chapter 5 ATAPI Interface Page 102 Seagate Travan 40 Product Manual Page Page IDLE (ATA Command E3) IDLE IMMEDIATE (ATA Command E1) NOP (ATA Command 00) Page SET FEATURES (ATA Command EF) Page SLEEP (ATA Command E6) STANDBY (ATA Command E2) STANDBY IMMEDIATE (ATA Command E0) Travan 40 tape format Introduction Tape partitioning Track positions Track numbering Track format Frames Page Blocks Tape reference servo pattern Write equalization Randomization Theory of operations Overview Block diagram Drive mechanisms Mechanics Cartridge-load mechanism Capstan/drive-motor assembly Chassis Head design Flash EEPROM Sensors and switches Drive media (Travan minicartridges) Glossary This section defines some of the acronyms and technical terms used in this manual. A