Seagate STT8000A manual Atapi interface

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Table of Contents
Loading and unloading cartridges	24
Setting the write–protect switch	25
Loading revised firmware via Seagate firmware cartridge	26
Care and maintenance of the drive and cartridges	27
Caring for tape cartridges	27
Caring for the drive	27
Cleaning the drive read/write head	28
Troubleshooting	29
ATAPI interface	31
Introduction	31
ATA-2 Interface	31
ATA-2 Signals	31
DASP-	31
PDIAG-	31
ATA registers	32
Status Register	32
Error Register	33
Feature Register	33
Supported ATA Commands	34
Execute Drive Diags (90h)	34
Idle Immediate (E1h)	34
Standby Immediate (E0h)	34
Check Power Mode (E5h)	34
Sleep (E6h)	34
Set Features (EFh)	35
ATAPI Identify Device (A1h)	36
ATAPI Packet Command (A0h)	37
ATAPI Soft Reset (08h)	37
ATAPI interface	38
Erase command	39
Inquiry command	40
Load/Unload command	41
Locate command	42
Log Select command	43
Log Sense command	44
Error Counter Page (Read)	45
Tape Capacity Page Code	46
Mode Select command	47
Mode Sense command	48

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STT8000A Product Manual

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Contents STT8000A Atapi Minicartridge Drive Product Manual Page FCC Notice Important Information About This Manual Table of Contents Atapi interface Tape format Glossary Acronyms and measurements Introduction Drive overviewSTT8000A internal drive without mounting brackets Features Typical system configurations Minicartridge technology overviewFlash Eeprom SoftwareReferences About this manual Chapter Title DescriptionSpecifications Physical specificationsOverview STT8000A 3.5-Inch mount general dimensions Power specifications Specification MeasurementPerformance specifications Feature SpecificationSpecification Operational Non-operational Environmental requirementsReliability Mean-Time-Between FailuresMean-Time-To-Repair Recommended tapes Tape capacities and formatsRegulatory compliance TUV & IEC-RHEINLANDBefore you begin InstallationIntroduction Handling guidelinesSetting jumpers Jumper block and jumper settingsInstalling the drive Aligning the drive in the computerMounting dimensions Mounting holes on internal drive without mounting brackets ATA-2 Interface pin assignments Pin Assignment Description SourceREQ Chapter Installation Drive operation and maintenance Front panel LEDUsing Travan cartridges Loading and unloading cartridgesSetting the write-protect switch Travan cartridge write-protect switch-locked positionLoading revised firmware via Seagate firmware cartridge Care and maintenance of the drive and cartridges Caring for tape cartridgesCaring for the drive Capstan Tape Head Troubleshooting Chapter ATA-2 Signals Atapi interfaceATA-2 Interface ATA registers AbrtBits Mnemonic Description Supported ATA Commands Previous Cmd Int ReasonFeature Number Set Feature Commands Atapi Identify Device A1h Atapi Packet Command A0h Atapi interface DSCErase command Inquiry command Bit ByteLoad/Unload command Locate command Log Select command Log Sense command Error Counter Page Read Following table presents the Error Counter Page layoutTape Capacity Page Code Following table presents the Tape Capacity Page layoutMode Select command Mode Sense command Code DescriptionMode Parameter Header Mode Block DescriptorMode Medium Partition Mode Capabilities and Mechanical StatusMode Tape Parameters Read command Read Position command Following table describes the Read Position layoutChapter Atapi Interface Request Sense command Following table describes the Request Sense layout Rewind command Space command Test Unit Ready command Write command Write Filemark command Write Buffer download microcode command Tape format Tape partitioningTrack positions Track numbering Track formatFrames General track layout Tape reference servo pattern BlocksWrite equalization RandomizationChapter Tape format Block diagram Theory of operationsCartridge load mechanism Capstan drive motor assemblyMechanics ChassisSensors and switches Control circuitsHead design Media-Travan minicartridges Travan minicartridgeGlossary Appendix a Glossary Glossary Appendix a Glossary Acronyms and measurements Acronyms and abbreviationsLSI Units of measurement Measure MeaningAppendix B Acronyms and Measurements