Seagate STT8000A manual Environmental requirements, Specification Operational Non-operational

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Specifications

Chapter 2

Environmental requirements

The following table lists the environmental specifications for the STT8000A. The drive may be mounted either vertically or horizontally.

Specification	Operational	Non-operational

Temperature	+41° to +113° F 1	–40° to +149 oF2
	(+ 5° to + 45° C)	(–40° to + 65 oC)

Thermal gradient	1° C per minute	20° C per hour
	(no condensation)

Relative humidity	20% to 80%	5% to 95%
	non-condensing1	non-condensing2

Maximum wet bulb temperature	78.8° F (26° C)	No condensation

Altitude	–1000 to +15,000 feet	–1000 to +50,000 feet

Vibration

Peak to Peak	0.005 in. max.	0.1 in. max.
Displacement	(5 to 44.3 Hz)	(5 to 17 Hz)

Peak Acceleration	0.50 g max.	1.5 g max.
	(44.3 to 500 Hz)	(17 to 500 Hz)

Acoustic level operational	55 dBA maximum	—
(A-wt sum)	(measured in suitable
	enclosure at 3-ft distance
	and operator height)

Shock (1/2 sine wave)	2.5 g’s peak, 11 msec	100 g's peak, 11 msec

1Specification applies to drive mechanism and media

2Specification applies to drive mechanism only

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 Drive overview IntroductionSTT8000A internal drive without mounting brackets Features Minicartridge technology overview Typical system configurationsSoftware Flash EepromReferences Chapter Title Description About this manualPhysical specifications SpecificationsOverview STT8000A 3.5-Inch mount general dimensions Specification Measurement Power specificationsFeature Specification Performance specificationsEnvironmental requirements Specification Operational Non-operationalMean-Time-Between Failures ReliabilityMean-Time-To-Repair Tape capacities and formats Recommended tapesTUV & IEC-RHEINLAND Regulatory complianceHandling guidelines InstallationIntroduction Before you beginJumper block and jumper settings Setting jumpersAligning the drive in the computer Installing the driveMounting dimensions Mounting holes on internal drive without mounting brackets Pin Assignment Description Source ATA-2 Interface pin assignmentsREQ Chapter Installation Front panel LED Drive operation and maintenanceLoading and unloading cartridges Using Travan cartridgesTravan cartridge write-protect switch-locked position Setting the write-protect switchLoading revised firmware via Seagate firmware cartridge Caring for tape cartridges Care and maintenance of the drive and cartridgesCaring for the drive Capstan Tape Head Troubleshooting Chapter Atapi interface ATA-2 SignalsATA-2 Interface Abrt ATA registersBits Mnemonic Description Previous Cmd Int Reason Supported ATA CommandsFeature Number Set Feature Commands Atapi Identify Device A1h Atapi Packet Command A0h DSC Atapi interfaceErase command Bit Byte Inquiry commandLoad/Unload command Locate command Log Select command Log Sense command Following table presents the Error Counter Page layout Error Counter Page ReadFollowing table presents the Tape Capacity Page layout Tape Capacity Page CodeMode Select command Code Description Mode Sense commandMode Block Descriptor Mode Parameter HeaderMode Capabilities and Mechanical Status Mode Medium PartitionMode Tape Parameters Read command Following table describes the Read Position layout Read Position commandChapter 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 partitioning Tape formatTrack positions Track format Track numberingFrames General track layout Blocks Tape reference servo patternRandomization Write equalizationChapter Tape format Theory of operations Block diagramChassis Capstan drive motor assemblyMechanics Cartridge load mechanismControl circuits Sensors and switchesHead design Travan minicartridge Media-Travan minicartridgesGlossary Appendix a Glossary Glossary Appendix a Glossary Acronyms and abbreviations Acronyms and measurementsLSI Measure Meaning Units of measurementAppendix B Acronyms and Measurements