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Seagate ST936751SS, ST973451SS Interface requirements, SAS features, task management functions

Models: ST936751SS ST973451SS

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9.0Interface requirements

This section partially describes the interface requirements as implemented on Savvio drives. Additional infor- mation is provided in the SAS Interface Manual (part number 100293071).

9.1SAS features

This section lists the SAS-specific features supported by Savvio drives.

9.1.1task management functions

Table 5 lists the SAS task management functions supported.

Table 5:	SAS task management functions supported

Task name		Supported

Abort Task		Yes

Clear ACA		Yes

Clear task set		Yes

Abort task set		Yes

Logical Unit Reset		Yes

Query Task		Yes

9.1.2Task management responses

Table 6 lists the SAS response codes returned for task management functions supported.

Table 6:	Task management response codes

Function name		Response code

Function complete		00

Invalid frame		02

Function not supported		04

Function failed		05

Function succeeded		08

Invalid logical unit		09

Savvio 15K SAS Product Manual, Rev. B

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Seagate ST936751SS, ST973451SS Interface requirements, SAS features, task management functions, Task management responses

Contents

100407739 Rev. B Savvio 15K SASPRODUCT MANUAL ST973451SS ST936751SSMarch Initial release Revision status summary sheetRev. A 09/15/06Savvio 15K SAS Product Manual, Rev. B 6.0 Physical/electrical specifications Contents4.0 Performance characteristics 5.0 Reliability specifications9.0 Interface requirements 7.0 Defect and error management8.0 Installation 10.0 Seagate Technology support servicesList of Figures Page 1.0 Scope Savvio 15K SAS Product Manual, Rev. B 2.1.1.1 Electromagnetic susceptibility 2.0 Applicable standards and reference documentation2.1 Standards 2.1.1 Electromagnetic compatibilityKorean MIC 2.1.2 Electromagnetic complianceElectromagnetic compliance for the European Union Australian C-Tick2.1.3 European Union Restriction of Hazardous Substances RoHS 2.2 Reference documentsSCSI Commands Reference Manual SAS Interface Manual Specification for Acoustic Test Requirement and ProceduresSavvio 15K SAS Product Manual, Rev. B 3.0 General description 3.1 Standard features 3.2 Media description3.3 Performance 3.6 Programmable drive capacity 3.7 Factory-installed accessories3.4 Reliability 3.5 Formatted capacities3.8 Options 4.2.1 Access time Gen 2.0 LP data 4.0 Performance characteristics4.1 Internal drive characteristics 4.2 Seek performance characteristics4.2.2 Format command execution time General performance characteristics4.2.3 4.3 Start/stop time 4.4 Prefetch/multi-segmented cache control4.5 Cache operation 4.5.2 Prefetch operation 4.5.1 Caching write data5.1.2 Unrecoverable Errors 5.0 Reliability specifications5.1 Error rates 5.1.1 Recoverable Errors5.2.2 Preventive maintenance 5.2 Reliability and service5.1.3 Seek errors 5.1.4 Interface errors5.2.4 S.M.A.R.T Maximum processing delayOn-line only delay Fully-enabled delayParameter Code Temperature Log Page 0DhPredictive failures 5.2.5 Thermal monitor5.2.6.2.2 Invoking DST 5.2.6.2.1 State of the drive prior to testing5.2.6.1 DST failure definition 5.2.6.2 Implementation5.2.6.2.4 Log page entries 5.2.7 Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information ShippingSavvio 15K SAS Product Manual, Rev. B Table 2 ST973451SS DC power requirements 6.0 Physical/electrical specifications6.1 AC power requirements 6.2 DC power requirementsGeneral DC power requirement notes ST936751SS DC power requirementsFigure 1. Typical ST973451SS current profile 6.2.2 Power sequencing6.2.1 Conducted noise immunity 6.2.3 Current profilesFigure 2. Typical ST936751SS current profile Savvio 15K SAS Product Manual, Rev. B6.3 Power dissipation ST973451SS in 3 Gbit operationST973451SS in 1.5 Gbit operation ST936751SS in 3 Gbit operation ST936751SS in 1.5 Gbit operation12 Vo lt A 6.4 Environmental limits 6.4.1 Temperature6.4.2 Relative humidity 6.4.3 Effective altitude sea level 6.4.4 Shock and vibration6.4.4.1 Shock Figure 8. Recommended mounting Packaged/product weightPackage size Drop height6.4.5 Air cleanliness 6.4.4.2 Vibration6.4.6 Corrosive environment 6.4.8 Electromagnetic susceptibility 6.4.7 AcousticsFigure 9. Mounting configuration dimensions 6.5 Mechanical specifications7.0 Defect and error management 7.1 Drive internal defects/errors7.2 Drive error recovery procedures Maximum recovery time per 7.3 SAS system errorsTable 4 Read and write retry count maximum recovery times Maximum recovery time per7.4 Background Media Scan 7.5 Media Pre-Scan7.6 Deferred Auto-Reallocation 7.7 Idle Read After Write 8.1 Drive orientation 8.0 InstallationFigure 11. Air flow 8.2 Cooling8.4 Grounding 8.3 Drive mountingSavvio 15K SAS Product Manual, Rev. B SAS task management functions supported 9.1 SAS features9.0 Interface requirements 9.1.1 task management functions9.2 Dual port support Commands supported by Savvio SAS family drive 9.3 SCSI commands supportedCommands supported by Savvio SAS family drive continued Commands supported by Savvio SAS family drive continued Commands supported by Savvio SAS family drive continued Bytes 9.3.2 Mode Sense data9.3.1 Inquiry data Savvio inquiry dataSavvio 15K SAS Product Manual, Rev. B CHG = Changeable bits indicates if default value is changeable3. Current values 4. Changeable valuesMODE DATA HEADER 03 fa 00 10 00 00 00 BLOCK DESCRIPTOR Savvio 15K SAS Product Manual, Rev. B 9.4 Miscellaneous operating features and conditions Miscellaneous featuresMiscellaneous status Figure 12. Physical interface 9.4.1 SAS physical interfaceC OF DATUM B L Figure 13. SAS device plug dimensionsTO DATUM A Figure 14. SAS device plug dimensions detail9.4.5 Pin descriptions 9.4.2 Physical characteristics9.4.3 Connector requirements 9.4.4 Electrical descriptionDifferential Transfer Medium Table 13 SAS pin descriptions9.4.6 SAS transmitters and receivers TX Transmitter 100 TY9.5.2 Differential signals 9.5 Signal characteristics9.4.7 Power LED drive signal9.5.2.1.2 Receive eye mask Table 16 General interface characteristicsCharacteristic 9.5.2.1 Eye masks 9.5.2.1.1 Eye masks overviewFigure 17. Reveive tolerance eye mask 9.5.2.1.3 Jitter tolerance maskssinusoidal 9.5.2.2 Transmitter signal characteristicsTable 17 Transmitter signal characteristics Peak-toa All tests in this table shall be performed with zero-length test load shown in figure Table 17 Transmitter signal characteristics9.5.2.3 Receiver signal characteristics Table 18 Receiver signal characteristics9.5.2.3.3 Compliant jitter test pattern CJTPAT 9.5.2.3.1 JitterTable 19 Maximum allowable jitter 9.5.2.3.2 Receiver jitter toleranceTable 21 Impedance requirements Sheet 1 of 9.5.2.3.4 Impedance specifications9.5.2.4.1 Transmitter characteristics Table 21 Impedance requirements Sheet 2 of9.5.2.4 Electrical TxRx connections = -5, 437dB = -10, 884dBTx+ TCTF Tx Figure 20. Zero-length test load Figure 21. ISI loss example at 3.0 GbpsFigure 22. ISI loss example at 1.5 Gbps 9.5.2.5 Receiver characteristics Savvio 15K SAS Product Manual, Rev. B Presales Support 10.0 Seagate Technology support servicesSeagate Service Centers InternetAsia/Pacific Support Services Customer Service OperationsUSA/Canada/Latin America support services Europe, the Middle East and Africa Support ServicesIndex NumericsPage Page See also cooling Page Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number 100407739, Rev. B, Printed in USA

9.0Interface requirements

9.1SAS features

9.1.1task management functions

SAS task management functions supported

9.1.2Task management responses

Task management response codes