Seagate T10 SAS, 300GB Spécifications

Cheetah T10 SASST3300555SSST3146755SSST373355SS

4 Cheetah T10 SAS Product Manual, Rev. A2.2 Compliance2.2.1 Electromagnetic complianceSeagate uses an independent laboratory to confirm compliance wit

Cheetah T10 SAS Product Manual, Rev. A 52.3 Reference documentsCheetah T10 SAS Installation Guide Seagate part number: 100433695SCSI Commands Referenc

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Cheetah T10 SAS Product Manual, Rev. A 73.0 General descriptionCheetah drives combine giant magnetoresistive (GMR) heads, partial response/maximum lik

8 Cheetah T10 SAS Product Manual, Rev. A3.1 Standard featuresCheetah drives have the following standard features:• 1.5 / 3 Gbit Serial Attached SCSI (

Cheetah T10 SAS Product Manual, Rev. A 93.4 Reliability• 1,400,000 hour MTBF (Annualized Failure Rate (AFR) of 0.62%)• Incorporates industry-standard

10 Cheetah T10 SAS Product Manual, Rev. A3.8 Options (factory installed)You may order the following items which are incorporated at the manufacturing

Cheetah T10 SAS Product Manual, Rev. A 114.0 Performance characteristicsThis section provides detailed information concerning performance-related char

12 Cheetah T10 SAS Product Manual, Rev. A4.2.2 Format command execution time (minutes) Execution time measured from receipt of the last byte of the Co

Cheetah T10 SAS Product Manual, Rev. A 13The START STOP UNIT command may be used to command the drive to stop the spindle. Stop time is 30 sec-onds (m

©2006, Seagate Technology LLC All rights reserved Publication number: 100433694, A October 2006Seagate, Seagate Technology, and the Seagate logo are

14 Cheetah T10 SAS Product Manual, Rev. A4.5.1 Caching write data Write caching is a write operation by the drive that makes use of a drive buffer sto

Cheetah T10 SAS Product Manual, Rev. A 155.0 Reliability specificationsThe following reliability specifications assume correct host and drive operatio

16 Cheetah T10 SAS Product Manual, Rev. A5.1.3 Seek errorsA seek error is defined as a failure of the drive to position the heads to the addressed tra

Cheetah T10 SAS Product Manual, Rev. A 175.2.3 Hot plugging the driveWhen a disc is powered on by switching the power or hot plugged, the drive runs a

18 Cheetah T10 SAS Product Manual, Rev. AReporting controlReporting is controlled by the MRIE bits in the Informational Exceptions Control mode page (

Cheetah T10 SAS Product Manual, Rev. A 19be used to set this trip point. The default value for this drive is 68°C, however, you can set it to any valu

20 Cheetah T10 SAS Product Manual, Rev. A5.2.6.2.1 State of the drive prior to testingThe drive must be in a ready state before issuing the Send Diagn

Cheetah T10 SAS Product Manual, Rev. A 212. The Self-Test Results Value field is set to Fh3. The drive will store the log page to non-volatile memoryA

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Cheetah T10 SAS Product Manual, Rev. A 236.0 Physical/electrical specificationsThis section provides information relating to the physical and electric

Cheetah T10 SAS Product Manual, Rev. A iContents1.0 Scope. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24 Cheetah T10 SAS Product Manual, Rev. A0.15A DC and 0.2A AC 12V max start current margin added..0.15A DC and 0.2A AC 12V max start current margin ad

Cheetah T10 SAS Product Manual, Rev. A 25Degrees C ambient.[2] For +12 V, a –10% tolerance is allowed during initial spindle start but must return to

26 Cheetah T10 SAS Product Manual, Rev. A Figure 2. Typical ST3300555SS drive current profiles

Cheetah T10 SAS Product Manual, Rev. A 27 Figure 3. Typical ST3146755SS drive current profiles

28 Cheetah T10 SAS Product Manual, Rev. A Figure 4. Typical ST373355SS drive current profiles

Cheetah T10 SAS Product Manual, Rev. A 296.3 Power dissipation ST3300555SS in 3 Gbit operationTypical power dissipation under idle conditions in 3Gb o

30 Cheetah T10 SAS Product Manual, Rev. AST3146755SS in 3 Gbit operationTypical power dissipation under idle conditions in 3Gb operation is 10.74 watt

Cheetah T10 SAS Product Manual, Rev. A 31ST373355SS in 3 Gbit operationTypical power dissipation under idle conditions in 3Gb operation is 9.13 watts

32 Cheetah T10 SAS Product Manual, Rev. A6.4 Environmental limitsTemperature and humidity values experienced by the drive must be such that condensati

Cheetah T10 SAS Product Manual, Rev. A 336.4.2 Relative humidityThe values below assume that no condensation on the drive occurs.a. Operating5% to 95%

ii Cheetah T10 SAS Product Manual, Rev. A6.4.1 Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

34 Cheetah T10 SAS Product Manual, Rev. Ad. PackagedDisc drives shipped as loose load (not palletized) general freight will be packaged to withstand d

Cheetah T10 SAS Product Manual, Rev. A 356.4.4.2 Vibrationa. Operating—normalThe drive as installed for normal operation, shall comply with the comple

36 Cheetah T10 SAS Product Manual, Rev. A6.4.7 AcousticsSound power during idle mode shall be 3.6 bels typical when measured to ISO 7779 specification

Cheetah T10 SAS Product Manual, Rev. A 377.0 Defect and error management Seagate continues to use innovative technologies to manage defects and errors

38 Cheetah T10 SAS Product Manual, Rev. AThe drive firmware error recovery algorithms consists of 11 levels for read recoveries and five levels for wr

Cheetah T10 SAS Product Manual, Rev. A 397.3 SAS system errorsInformation on the reporting of operational errors or faults across the interface is giv

40 Cheetah T10 SAS Product Manual, Rev. A7.6 Deferred Auto-ReallocationDeferred Auto-Reallocation (DAR) simplifies reallocation algorithms at the syst

Cheetah T10 SAS Product Manual, Rev. A 418.0 InstallationCheetah disc drive installation is a plug-and-play process. There are no jumpers, switches, o

42 Cheetah T10 SAS Product Manual, Rev. A8.2 Cooling Cabinet cooling must be designed by the customer so that the ambient temperature immediately surr

Cheetah T10 SAS Product Manual, Rev. A 438.3 Drive mountingMount the drive using the bottom or side mounting holes. If you mount the drive using the b

Cheetah T10 SAS Product Manual, Rev. A 1List of FiguresFigure 1. Cheetah T10 SAS disc drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

44 Cheetah T10 SAS Product Manual, Rev. A

Cheetah T10 SAS Product Manual, Rev. A 459.0 Interface requirements This section partially describes the interface requirements as implemented on Chee

46 Cheetah T10 SAS Product Manual, Rev. A9.2 Dual port supportCheetah SAS drives have two independent ports. These ports may be connected in the same

Cheetah T10 SAS Product Manual, Rev. A 479.3 SCSI commands supported Table 8 lists the SCSI commands supported by Cheetah drives. Table 8: Comma

48 Cheetah T10 SAS Product Manual, Rev. A Non-medium Error page (06h) Y Pages Supported list (00h) Y Read Error Counter page (03h) Y Read Reverse

Cheetah T10 SAS Product Manual, Rev. A 49Reassign Blocks 07h YReceive Diagnostic Results 1Ch Y Supported Diagnostics pages (00h) Y Translate page (4

50 Cheetah T10 SAS Product Manual, Rev. A [1] Cheetah drives can format to 512, 520, 524, or 528 bytes per logical block.[2] Warning. Power loss duri

Cheetah T10 SAS Product Manual, Rev. A 519.3.1 Inquiry data Table 9 lists the Inquiry command data that the drive should return to the initiator per

52 Cheetah T10 SAS Product Manual, Rev. ASelect command before the drive achieves operating speed and is “ready.” An attempt to do so results in a “Ch

Cheetah T10 SAS Product Manual, Rev. A 53Table 10: ST3300555SS Mode Sense dataMODE DATA HEADER:03 fa 00 10 00 00 00 08BLOCK DESCRIPTOR:22 ec b2 5c 00

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54 Cheetah T10 SAS Product Manual, Rev. ATable 11: ST3146755SS Mode Sense dataMODE DATA HEADER:03 fa 00 10 00 00 00 08BLOCK DESCRIPTOR:11 17 73 30 00

Cheetah T10 SAS Product Manual, Rev. A 55Table 12: ST373355SS Mode Sense dataMODE DATA HEADER:03 fa 00 10 00 00 00 08BLOCK DESCRIPTOR:08 8b b9 98 00

56 Cheetah T10 SAS Product Manual, Rev. A9.4 Miscellaneous operating features and conditions Table 13 lists various features and conditions. A “Y” in

Cheetah T10 SAS Product Manual, Rev. A 579.4.1 SAS physical interface Figure 16 shows the location of the SAS device connector J1. Figures 17 and 18 p

58 Cheetah T10 SAS Product Manual, Rev. A Figure 17. SAS connector dimensionsC OF DATUM BL5.081.27 (6X)1.27 (14X)15.8750.35MIN15.87533.43 0.05B4.90

Cheetah T10 SAS Product Manual, Rev. A 59Figure 18. SAS connector dimensions9.4.2 Physical characteristics This section defines physical interface co

60 Cheetah T10 SAS Product Manual, Rev. A9.4.4 Electrical description SAS drives use the device connector for:• DC power• SAS interface• Activity LEDT

Cheetah T10 SAS Product Manual, Rev. A 619.4.6 SAS transmitters and receiversA typical SAS differential copper transmitter and receiver pair is shown

62 Cheetah T10 SAS Product Manual, Rev. AThe Ready LED Out signal is designed to pull down the cathode of an LED. The anode is attached to the proper

Cheetah T10 SAS Product Manual, Rev. A 639.5.2.1.2 Receive eye mask Figure 20 describes the receive eye mask. This eye mask applies to jitter after th

Cheetah T10 SAS Product Manual, Rev. A 11.0 ScopeThis manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.Cheeta

64 Cheetah T10 SAS Product Manual, Rev. AThe leading and trailing edge slopes of figure 20 shall be preserved. As a result the amplitude value of Z1 i

Cheetah T10 SAS Product Manual, Rev. A 659.5.2.2 Transmitter signal characteristics Table 19 specifies the signal requirements at the transmitter end

66 Cheetah T10 SAS Product Manual, Rev. A9.5.2.3 Receiver signal characteristics Table 20 defines the compliance point requirements of the signal at t

Cheetah T10 SAS Product Manual, Rev. A 679.5.2.3.2 Receiver jitter toleranceTable 22 defines the amount of jitter the receiver shall tolerate .9.5.2.3

68 Cheetah T10 SAS Product Manual, Rev. A9.5.2.4 Electrical TxRx connectionsTxRx connections may be divided into TxRx connection segments. In a single

Cheetah T10 SAS Product Manual, Rev. A 69A combination of a zero-length test load and the transmitter compliance transfer function (TCTF) test load me

70 Cheetah T10 SAS Product Manual, Rev. AFigure 24 shows the zero-length test load.Figure 24. Zero-length test loadFigure 25 shows an ISI loss exampl

Cheetah T10 SAS Product Manual, Rev. A 719.5.2.5 Receiver characteristicsThe drive receiver is A.C. coupled. The receive network terminates the TxRx c

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Cheetah T10 SAS Product Manual, Rev. A 7310.0 Seagate Technology support servicesOnline servicesInternetwww.seagate.com for information about Seagate

2 Cheetah T10 SAS Product Manual, Rev. A

74 Cheetah T10 SAS Product Manual, Rev. AData Recovery ServicesSeagate offers data recovery services for all formats and all brands of storage media.

Cheetah T10 SAS Product Manual, Rev. A 75European support servicesFor presales and technical support in Europe, dial the Seagate Service Center toll-f

76 Cheetah T10 SAS Product Manual, Rev. AAfrica/Middle East support servicesFor presales and technical support in Africa and the Middle East, dial our

Cheetah T10 SAS Product Manual, Rev. A 77IndexNumerics12 voltpins 615 volt pins 61Aabort task set function 45AC coupling 61AC power requiremen

78 Cheetah T10 SAS Product Manual, Rev. Aenvironment 42environmentallimits 32requirements 15environmental control 35errormanagement 37rates

Cheetah T10 SAS Product Manual, Rev. A 79Nnoiseaudible 3noise immunity 25non-operating 33, 35temperature 32non-operating vibration 35Ooffi

80 Cheetah T10 SAS Product Manual, Rev. Asurface stiffnessallowable for non-flat surface 43switches 41synchronized spindleoperation 56system cha

Seagate Technology LLC920 Disc Drive, Scotts Valley, California 95066-4544, USAPublication Number: 100433694, Rev. A, Printed in USA

Cheetah T10 SAS Product Manual, Rev. A 32.0 Standards, compliance and reference documentsThe drive has been developed as a system peripheral to the hi