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Seagate ST936751SS manual Physical characteristics, Connector requirements, Electrical description

Models: ST936751SS ST973451SS

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9.4.2Physical characteristics

This section defines physical interface connector.

9.4.3Connector requirements

Contact your preferred connector manufacturer for mating part information. Part numbers for SAS connectors will be provided in a future revision of this publication when production parts are available from major connec- tor manufacturers.

The SAS device connector is illustrated in Figures 13 and 14.

9.4.4Electrical description

SAS drives use the device connector for:

•DC power

•SAS interface

•Activity LED

This connector is designed to either plug directly into a backpanel or accept cables.

9.4.5Pin descriptions

This section provides a pin-out of the SAS device and a description of the functions provided by the pins.

Savvio 15K SAS Product Manual, Rev. B

Page 65

Image 65

Seagate ST936751SS, ST973451SS Physical characteristics, Connector requirements, Electrical description, Pin descriptions

Contents

PRODUCT MANUAL Savvio 15K SASST973451SS ST936751SS 100407739 Rev. BMarch Rev. A Revision status summary sheet09/15/06 Initial releaseSavvio 15K SAS Product Manual, Rev. B 4.0 Performance characteristics Contents5.0 Reliability specifications 6.0 Physical/electrical specifications8.0 Installation 7.0 Defect and error management10.0 Seagate Technology support services 9.0 Interface requirementsList of Figures Page 1.0 Scope Savvio 15K SAS Product Manual, Rev. B 2.1 Standards 2.0 Applicable standards and reference documentation2.1.1 Electromagnetic compatibility 2.1.1.1 Electromagnetic susceptibilityElectromagnetic compliance for the European Union 2.1.2 Electromagnetic complianceAustralian C-Tick Korean MICSCSI Commands Reference Manual SAS Interface Manual 2.2 Reference documentsSpecification for Acoustic Test Requirement and Procedures 2.1.3 European Union Restriction of Hazardous Substances RoHSSavvio 15K SAS Product Manual, Rev. B 3.0 General description 3.3 Performance 3.1 Standard features3.2 Media description 3.4 Reliability 3.7 Factory-installed accessories3.5 Formatted capacities 3.6 Programmable drive capacity3.8 Options 4.1 Internal drive characteristics 4.0 Performance characteristics4.2 Seek performance characteristics 4.2.1 Access time Gen 2.0 LP data4.2.3 4.2.2 Format command execution timeGeneral performance characteristics 4.5 Cache operation 4.3 Start/stop time4.4 Prefetch/multi-segmented cache control 4.5.2 Prefetch operation 4.5.1 Caching write data5.1 Error rates 5.0 Reliability specifications5.1.1 Recoverable Errors 5.1.2 Unrecoverable Errors5.1.3 Seek errors 5.2 Reliability and service5.1.4 Interface errors 5.2.2 Preventive maintenanceOn-line only delay Maximum processing delayFully-enabled delay 5.2.4 S.M.A.R.TPredictive failures Temperature Log Page 0Dh5.2.5 Thermal monitor Parameter Code5.2.6.1 DST failure definition 5.2.6.2.1 State of the drive prior to testing5.2.6.2 Implementation 5.2.6.2.2 Invoking DSTShort test Function Code 001b 5.2.7 Product warrantyExtended test Function Code 010b 5.2.6.2.4 Log page entriesProduct repair and return information ShippingSavvio 15K SAS Product Manual, Rev. B 6.1 AC power requirements 6.0 Physical/electrical specifications6.2 DC power requirements Table 2 ST973451SS DC power requirementsGeneral DC power requirement notes ST936751SS DC power requirements6.2.1 Conducted noise immunity 6.2.2 Power sequencing6.2.3 Current profiles Figure 1. Typical ST973451SS current profileFigure 2. Typical ST936751SS current profile Savvio 15K SAS Product Manual, Rev. BST973451SS in 1.5 Gbit operation 6.3 Power dissipationST973451SS in 3 Gbit operation 12 Vo lt A ST936751SS in 3 Gbit operationST936751SS in 1.5 Gbit operation 6.4.2 Relative humidity 6.4 Environmental limits6.4.1 Temperature 6.4.4.1 Shock 6.4.3 Effective altitude sea level6.4.4 Shock and vibration Package size Packaged/product weightDrop height Figure 8. Recommended mounting6.4.6 Corrosive environment 6.4.5 Air cleanliness6.4.4.2 Vibration 6.4.8 Electromagnetic susceptibility 6.4.7 AcousticsFigure 9. Mounting configuration dimensions 6.5 Mechanical specifications7.2 Drive error recovery procedures 7.0 Defect and error management7.1 Drive internal defects/errors Table 4 Read and write retry count maximum recovery times 7.3 SAS system errorsMaximum recovery time per Maximum recovery time per7.6 Deferred Auto-Reallocation 7.4 Background Media Scan7.5 Media Pre-Scan 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 9.0 Interface requirements 9.1 SAS features9.1.1 task management functions SAS task management functions supported9.2 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 9.3.1 Inquiry data 9.3.2 Mode Sense dataSavvio inquiry data Bytes3. Current values CHG = Changeable bits indicates if default value is changeable4. Changeable values Savvio 15K SAS Product Manual, Rev. BMODE DATA HEADER 03 fa 00 10 00 00 00 BLOCK DESCRIPTOR Savvio 15K SAS Product Manual, Rev. B Miscellaneous status 9.4 Miscellaneous operating features and conditionsMiscellaneous features 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 detail9.4.3 Connector requirements 9.4.2 Physical characteristics9.4.4 Electrical description 9.4.5 Pin descriptions9.4.6 SAS transmitters and receivers Table 13 SAS pin descriptionsTX Transmitter 100 TY Differential Transfer Medium9.4.7 Power 9.5 Signal characteristicsLED drive signal 9.5.2 Differential signalsCharacteristic Table 16 General interface characteristics9.5.2.1 Eye masks 9.5.2.1.1 Eye masks overview 9.5.2.1.2 Receive eye maskFigure 17. Reveive tolerance eye mask 9.5.2.1.3 Jitter tolerance masksTable 17 Transmitter signal characteristics 9.5.2.2 Transmitter signal characteristicsPeak-to sinusoidal9.5.2.3 Receiver signal characteristics Table 17 Transmitter signal characteristicsTable 18 Receiver signal characteristics a All tests in this table shall be performed with zero-length test load shown in figureTable 19 Maximum allowable jitter 9.5.2.3.1 Jitter9.5.2.3.2 Receiver jitter tolerance 9.5.2.3.3 Compliant jitter test pattern CJTPATTable 21 Impedance requirements Sheet 1 of 9.5.2.3.4 Impedance specifications9.5.2.4 Electrical TxRx connections 9.5.2.4.1 Transmitter characteristicsTable 21 Impedance requirements Sheet 2 of Tx+ TCTF Tx = -5, 437dB= -10, 884dB Figure 22. ISI loss example at 1.5 Gbps Figure 20. Zero-length test loadFigure 21. ISI loss example at 3.0 Gbps 9.5.2.5 Receiver characteristics Savvio 15K SAS Product Manual, Rev. B Seagate Service Centers 10.0 Seagate Technology support servicesInternet Presales SupportUSA/Canada/Latin America support services Customer Service OperationsEurope, the Middle East and Africa Support Services Asia/Pacific Support ServicesIndex NumericsPage Page See also cooling Page Publication Number 100407739, Rev. B, Printed in USA Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USA