Seagate Enterprise Capacity 3.5 HDD Product Manual Download

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Seagate Enterprise Performance - 3.5 HDD SAS Product Manual, Rev. B

Contents

Seagate® Technology Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.0

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

2.0

Applicable standards and reference documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1

Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.1.1

Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

2.1.2

European Union Restriction of Hazardous Substances (RoHS) . . . . . . . . . . . . . . . . . . . . . . . . 8

2.1.3

China Restriction of Hazardous Substances (RoHS) Directive . . . . . . . . . . . . . . . . . . . . . . . . 8

2.2

Reference documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

3.0

General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3.1

Standard features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.2

Media description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.3

Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

3.4

Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.5

Formatted capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.6

Programmable drive capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

3.7

Factory-installed options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

4.0

Performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1

Internal drive characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.1.1

Format command execution time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.1.2

General performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

4.2

Start/stop time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.3

Prefetch/multi-segmented cache control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.4

Cache operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.4.1

Caching write data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

4.4.2

Prefetch operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

5.0

Reliability specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1

Error rates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1.1

Recoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1.2

Unrecoverable Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1.3

Seek errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.1.4

Interface errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

5.2

Reliability and service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
5.2.1

Annualized Failure Rate (AFR) and Mean Time Between Failure (MTBF) . . . . . . . . . . . . . . 17

5.2.2

Hot plugging the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

5.2.3

S.M.A.R.T. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

5.2.4

Thermal monitor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.5

Drive Self Test (DST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

5.2.6

Product warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Summary of Contents for Enterprise Capacity 3.5 HDD

Page 1: ...12E models ST4000NM0011 Self Encryption 512E models ST4000NM0041 Standard 4KN models ST4000NM0001 Self Encryption 4KN models ST4000NM0031 EnterprisePerformance 3 5 HDD SAS Product Manual 100790573 Rev B May 2016 ...

Page 2: ... and report a lower capacity In addition some of the listed capacity is used for formatting and other functions and thus will not be available for data storage Actual quantities will vary based on various factors including file size file format features and application software Actual data rates may vary depending on operating environment and other factors The export or re export of hardware or so...

Page 3: ...e drive capacity 12 3 7 Factory installed options 12 4 0 Performance characteristics 13 4 1 Internal drive characteristics 13 4 1 1 Format command execution time 13 4 1 2 General performance characteristics 13 4 2 Start stop time 14 4 3 Prefetch multi segmented cache control 14 4 4 Cache operation 14 4 4 1 Caching write data 15 4 4 2 Prefetch operation 15 5 0 Reliability specifications 16 5 1 Erro...

Page 4: ...ctromagnetic susceptibility 29 6 6 Mechanical specifications 30 7 0 About self encrypting drives 31 7 1 Data encryption 31 7 2 Controlled access 31 7 2 1 Admin SP 31 7 2 2 Locking SP 31 7 2 3 Default password 31 7 3 Random number generator RNG 31 7 4 Drive locking 31 7 5 Data bands 32 7 6 Cryptographic erase 32 7 7 Authenticated firmware download 32 7 8 Power requirements 32 7 9 Supported commands...

Page 5: ...port 39 10 3 SCSI commands supported 40 10 3 1 Inquiry data 44 10 3 2 Mode Sense data 45 10 4 Miscellaneous operating features and conditions 47 10 4 1 SAS physical interface 47 10 4 2 Physical characteristics 50 10 4 3 Connector requirements 50 10 4 4 Electrical description 50 10 4 5 Pin descriptions 50 10 4 6 SAS transmitters and receivers 51 10 4 7 Power 51 10 5 Signal characteristics 51 10 5 1...

Page 6: ...cts For information regarding Warranty Support visit http www seagate com support warranty and replacements For information regarding data recovery services visit http www seagate com services software data recovery services For Seagate OEM Distribution partner and reseller portals visit http www seagate com partners Seagate Technology Support Services ...

Page 7: ...generation products and need further assistance please contact the Field Applications Engineer FAE or our global support services group as shown in See Seagate Technology Support Services on page 5 Unless otherwise stated the information in this manual applies to standard and Self Encrypting Drive models Standard 512E models Self Encrypting 512E SED models Standard 4KN models Self Encrypting 4KN S...

Page 8: ...The drive is capable of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of Communications when properly packaged however it is the user s responsibility to assure that the drive meets the appropriate EMI requirements in their system Shielded I O cables may be required if the enclosure does not provide adequate shielding If the I O cables are external to the e...

Page 9: ...e in such parts or materials Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws and regulations which restrict chemical content in electronic products These systems include standard operating procedures that ensure that restricted substances are not utilized in our manufacturing operations laboratory analytical validation testing and an int...

Page 10: ...ITS 534 Serial Attached SCSI 4 SAS 4 Standard T10 BSR INCITS 515 SCSI Architecture Model 5 SAM 5 Standard T10 BSR INCITS 502 SCSI Primary Commands 5 SPC 5 Standard T10 BSR INCITS 506 SCSI Block Commands 4 SBC 4 Standard T10 BSR INCITS 538 SAS Protocol Layer 4 SPL 4 Standard Trusted Computing Group TCG Documents apply to Self Encrypting Drive models only TCG Storage Architecture Core Specification ...

Page 11: ...n the standards defined by the Trusted Computing Group see www trustedcomputinggroup org The head and disk assembly HDA is sealed at the factory Air recirculates within the HDA through a non replaceable filter to maintain a contamination free HDA environment Enterprise Performance 3 5 HDD drives use a dedicated load unload zone at the outermost radius of the media to eliminate the possibility of d...

Page 12: ...lock sizes for 512E 512 520 524 or 528 bytes per logical block User selectable logical block sizes for 4096 native models 4096 4160 4192 or 4224bytes per logical block Vertical horizontal or top down mounting Seagate Enterprise Performance 3 5 HDD SAS Self Encrypting Drive models have the following additional features 16 independent data bands Authenticated firmware download Automatic data encrypt...

Page 13: ...t are 3 6 Programmable drive capacity Using the Mode Select command the drive can change its capacity to something less than maximum See the Mode Select 6 parameter list table in the SAS Interface Manual part number 100293071 A value of zero in the Number of Blocks field indicates that the drive will not change the capacity it is currently formatted to have A number other than zero and less than t...

Page 14: ...he last byte of the Command Descriptor Block CDB to the request for a Status Byte Transfer to the Initiator excluding connect disconnect When changing sector sizes the format times shown above may need to be increased by 30 minutes 4 1 2 General performance characteristics 4TB models Maximum with verify 600 Maximum without verify 300 Sustained transfer rate 130 to 290 MiB s SAS Interface maximum i...

Page 15: ...ion Of the 256MB physical buffer space in the drive approximately 160 000 KB can be used as a cache The buffer is divided into logical segments from which data is read and to which data is written The drive keeps track of the logical block addresses of the data stored in each segment of the buffer If the cache is enabled see RCD bit in the SAS Interface Manual data requested by the host with a rea...

Page 16: ... on a write command after the data has been transferred into the cache but before the data has been written to the medium If an error occurs while writing the data to the medium and Good status has already been returned a deferred error will be generated The Synchronize Cache command may be used to force the drive to write all cached write data to the medium Upon completion of a Synchronize Cache ...

Page 17: ...ations but not caused by the read If an unrecoverable data error is detected a MEDIUM ERROR 03h in the Sense Key will be reported Multiple unrecoverable data errors resulting from the same cause are treated as 1 error 5 1 3 Seek errors A seek error is defined as a failure of the drive to position the heads to the addressed track After detecting an initial seek error the drive automatically perform...

Page 18: ...to communicate on its interfaces When the self test completes successfully the drive initiates a Link Reset starting with OOB An attached device should respond to the link reset If the link reset attempt fails or any time the drive looses sync the drive initiated link will reset The drive will initiate link reset once per second but alternates between port A and B Therefore each port will attempt ...

Page 19: ...sures and saves parameters once every hour subject to an idle period on the drive interfaces The process of measuring off line attribute data and saving data to the disk is interruptable The maximum on line only processing delay is summarized below Reporting control Reporting is controlled by the MRIE bits in the Informational Exceptions Control mode page 1Ch For example if the MRIE is set to one ...

Page 20: ...rting Informational Exceptions field MRIE on the Informational Exceptions Control IEC mode page 1Ch 5 2 5 Drive Self Test DST Drive Self Test DST is a technology designed to recognize drive fault conditions that qualify the drive as a failed unit DST validates the functionality of the drive at a system level There are two test coverage options implemented in DST 1 Extended test 2 Short test The mo...

Page 21: ...short test or 010b for the extended test in bytes 1 bits 5 6 and 7 5 2 5 2 3 Short and extended tests DST has two testing options 1 short 2 extended These testing options are described in the following two subsections Each test consists of three segments an electrical test segment a servo test segment and a read verify scan segment Short test Function Code 001b The purpose of the short test is to ...

Page 22: ...abort the diagnostic To abort a DST executing in background mode use the abort code in the DST Function Code field This will cause a 01 self test aborted by the application client code to appear in the self test results values log All other abort mechanisms will be reported as a 02 self test routine was interrupted by a reset condition 5 2 6 Product warranty See Seagate Technology Support Services...

Page 23: ...the current PowerChoice state if active and also the method by which the drive entered the PowerChoice state When the drive receives a command all power condition timers are suspended if they were enabled via the Power Condition mode page Once all outstanding commands are processed the power condition timers are reinitialized to the values defined in the Power Condition mode page 6 1 1 PowerChoice...

Page 24: ...measurable impact to the 12V supply load when running at lower interface speeds Table 1 4TB drive DC power consumption Notes 12 0Gb mode Amps Amps Watts Voltage 5V 12V 2 Total Regulation 5 5 5 2 Avg idle current DCX 1 7 0 31 0 63 9 13 Advanced idle current Idle A 1 0 31 0 63 9 07 Idle B 1 0 25 0 56 7 91 Idle C 1 0 25 0 20 3 65 Standby 1 0 23 0 00 1 20 Maximum starting current peak DC DC 3 0 84 2 2...

Page 25: ...ters to maximum track General DC power requirement notes 1 Minimum current loading for each supply voltage is not less than 1 7 of the maximum operating current shown 2 The 5V and 12V supplies should employ separate ground returns 3 Where power is provided to multiple drives from a common supply careful consideration for individual drive power requirements should be noted Where multiple units are ...

Page 26: ...prise Performance 3 5 HDD SAS Product Manual Rev B 25 6 3 3 Current profiles The 12V and 5V current profiles for the Enterprise Performance 3 5 HDD drives are shown below Figure 1 Current profiles for 4000GB models ...

Page 27: ...ons are referenced to a standard day at 58 7 F 14 8 C 6 5 1 Temperature a Operating The drive meets the operating specifications over a 41 F to 140 F 5 C to 60 C drive temperature range with a maximum temperature gradient of 36 F 20 C per hour The maximum allowable drive temperature is 140 F 60 C Air flow may be required to achieve consistent nominal drive temperature values see Section 9 2 To con...

Page 28: ...he restrictions of Section 9 3 6 5 4 1 Shock a Operating The drive as installed for normal operation shall operate error free while subjected to intermittent shock not exceeding 70 Gs read at a maximum duration of 2ms half sinewave 40 Gs Write at a maximum duration of 2ms half sinewave Shock may be applied in the X Y or Z axis Shock is not to be repeated more than once every 2 seconds b Non operat...

Page 29: ...axis 10 500 Hz translational random flat profile 0 5 GRMS b Non operating The limits of non operating vibration shall apply to all conditions of handling and transportation This includes both isolated drives and inte grated drives The drive shall not incur physical damage or degraded performance as a result of continuous vibration not exceeding 5 500 Hz 3 0 G zero to peak Vibration may be applied ...

Page 30: ...tion environment Users should use caution exposing any electronic components to uncontrolled chemical pollutants and corrosive chemicals as electronic drive component reliability can be affected by the installation environment The silver copper nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide chloride and nitrate contaminants Sulfur is found to be ...

Page 31: ...ed in SFF 8301 and SFF 8323 found at www sffcommittee org Note The image is for mechanical dimension reference only and may not represent the actual drive 5 787 MAX 5 770 2X 1 625 2X 3 375 2X 4 625 1 431 3X 125 3X 3 750 1 315 816 DRIVE CENTERLINE CONNECTOR TAB CENTERLINE 6X 6 32 UNC 2B 3 MIN THREAD DEPTH 14 MAX FASTENER PENETRATION MOUNTING HOLE MAX TORQUE 6 IN LBS 030 G 2X 1 122 2X 2 760 2X 5 122...

Page 32: ...d to perform the command 7 2 1 Admin SP The Admin SP allows the drive s owner to enable or disable firmware download operations see Section 7 4 Access to the Admin SP is available using the SID Secure ID password or the MSID Manufacturers Secure ID password 7 2 2 Locking SP The Locking SP controls read write access to the media and the cryptographic erase feature Access to the Locking SP is availa...

Page 33: ...cated firmware download In addition to providing a locking mechanism to prevent unwanted firmware download attempts the drive also only accepts download files which have been cryptographically signed by the appropriate Seagate Design Center Three conditions must be met before the drive will allow the download operation 1 The download must be an SED file A standard base drive non SED file will be r...

Page 34: ... error recovery procedures to attempt to recover the data The error recovery procedures used depend on the options previously set in the Error Recovery Parameters mode page Error recovery and defect management may involve using several SCSI commands described in the SAS Interface Manual The drive implements selectable error recovery time limits required in video applications The error recovery sch...

Page 35: ...AID arrays BMS allows hot spare drives to be scanned for defects prior to being put into service by the host system On regular duty drives if the host system makes use of the BMS Log Page it can avoid placing data in suspect locations on the media Unreadable and recovered error sites will be logged or reallocated per ARRE AWRE settings With BMS the host system can consume less power and system ove...

Page 36: ...tion Information is valid with any supported LBA size 4096 LBA size is used here as common example 8 6 1 Levels of PI There are 4 types of Protection Information Type 0 Describes a drive that is not formatted with PI information bytes This allows for legacy support in non PI systems Type 1 Provides support of PI protection using 10 and 16 byte commands The RDPROTECT and WRTPROTECT bits allow for c...

Page 37: ...st system This connects the drive directly to the system s SAS connector The SAS connector is normally located on a SAS backpanel See Section 10 4 1 for additional information about these connectors Power is supplied through the SAS connector The drive is shipped from the factory low level formatted in 512 byte logical blocks for 512E drives and 4096 byte logical blocks for 4096N drives Reformat t...

Page 38: ...ount of air flow resistance is created while providing air flow to the electronics and HDA Also the shortest possible path between the air inlet and exit should be chosen to minimize the travel length of air heated by the drive and other heat sources within the rack cabinet or drawer environment If forced air is determined to be necessary possible air flow patterns are shown in Figure 6 The air fl...

Page 39: ...g the out of plane deflection of the fourth mounting point when a known force F is applied to the fourth point Breather hole location top cover 9 4 Grounding Signal ground PCBA and HDA ground are connected together in the drive and cannot be separated by the user The equipment in which the drive is mounted is connected directly to the HDA and PCBA with no electrically isolating shock mounts If it ...

Page 40: ...ferent SCSI domains Each drive port has a unique SAS address The two ports have the capability of independent port clocking e g both ports can run at 12Gb s or the first port can run at 6Gb s while the second port runs at 3Gb s The supported link rates are 3 0 6 0 or 12 0 Gb s Subject to buffer availability the Enterprise Performance 3 5 HDD drives support Concurrent port transfers The drive suppo...

Page 41: ...h Y Block Device Characteristics B1h Y Block Limits B0h Y Date Code page C1h Y Device Behavior page C3h Y Device Identification 83h Y Extended Inquiry Data 86h Y Firmware Numbers page C0h Y Implemented Operating Def page 81h N Jumper Settings page C2h Y Logical Block Provisioning B2h Y Mode Page Policy 87h Y Power Condition 8Ah Y Protocol Specific Logical Unit Information 90h Y Protocol Specific P...

Page 42: ...rotocol Specific Logical Unit Information 18h Y Mode Sense 1Ah Y 2 Caching Parameters page 08h Y Control Mode page 0Ah Y Disconnect Reconnect 02h Y Error Recovery page 01h Y Format page 03h Y Information Exceptions Control page 1Ch 01h Y Background Scan mode subpage 01h Y Notch and Partition Page 0Ch N Port Control page 19h Y Power Consumption page 1Ah 01h Y Protocol Specific Logical Unit Informat...

Page 43: ...gnostics pages 00h Y Translate page 40h Y Release 17h Y Release 10 57h Y Report LUNs A0h Y Request Sense 03h Y Actual Retry Count bytes Y Extended Sense Y Field Pointer bytes Y Reserve 16h Y 3rd Party Reserve Y Extent Reservation N Reserve 10 56h Y 3rd Party Reserve Y Extent Reservation N Rezero Unit 01h Y Sanitize CRYPTOGRAPHIC ERASE 48h Y SED drives only Sanitize OVERWRITE 48h Y Search Data Equa...

Page 44: ...ady 00h Y Verify 10 2Fh Y BYTCHK bit Y Verify 12 AFh N Verify 16 8Fh Y Verify 32 7Fh 000Ah Y Supported if formatted for type 2 protection information Write 6 0Ah Y Write 10 2Ah Y DPO bit Y FUA bit Y Write 12 AAh N Write 16 8Ah Y Write 32 7Fh 000Bh Y Supported if formatted for type 2 protection information Write and Verify 10 2Eh Y DPO bit Y Write and Verify 12 AEh N Write and Verify 16 8Eh Y Write...

Page 45: ...rial number Bytes 16 through 26 reflect model of drive The table above shows the hex values for Model ST4000NM0011 Refer to the values below for the values of bytes 16 through 26 of a particular model ST4000NM0001 53 54 34 30 30 30 4E 4D 30 30 38 31 ST4000NM0041 53 54 34 30 30 30 4E 4D 30 31 30 31 ST4000NM0031 53 54 34 30 30 30 4E 4D 30 31 31 31 Bytes Data hex 0 15 00 00 xx 12 8B 01 10 02 53 45 41...

Page 46: ...storage location on the media prior to shipping 3 Current values Current values are volatile values being used by the drive to control its operation A Mode Select command can be used to change the values identified as changeable values Originally current values are installed from saved or default values after a power on reset hard reset or Bus Device Reset message 4 Changeable values Changeable va...

Page 47: ... 00 00 00 00 00 00 27 31 00 00 CHG 04 16 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 DEF 07 0A 00 14 FF 00 00 00 00 00 FF FF CHG 07 0A 0F FF 00 00 00 00 00 00 FF FF DEF 08 12 14 00 FF FF 00 00 FF FF FF FF 90 20 00 00 00 00 00 00 CHG 08 12 A5 00 00 00 FF FF FF FF 00 00 20 00 00 00 00 00 00 00 DEF 0A 0A 06 00 00 80 00 00 00 00 7F FF 512E DEF 0A 0A 02 00 00 80 00 00 00 00 7F FF ...

Page 48: ...of Seagate s SAS drives are provided in the SAS Interface Manual Figure 7 Physical interface Table 8 Miscellaneous features Supported Feature or condition N Automatic contingent allegiance N Asynchronous event notification N Synchronized locked spindle operation Y Segmented caching N Zero latency read Y Queue tagging up to 128 queue tags supported Y Deferred error handling Y Parameter rounding con...

Page 49: ...ATUM B L 5 08 1 27 6X 1 27 14X 15 875 0 35MIN 15 875 33 43 0 05 B 4 90 0 08 0 84 0 05 22X 0 15 B P15 P1 S7 S1 SEE Detail1 0 30 0 05 4X 4 00 0 08 0 15 D 0 30 0 05 2X 41 13 0 15 B B C C A A 0 20 B 42 73 REF C OF DATUM D L 1 10 R0 30 0 08 4X 2 00 3X 5 08 0 45 0 03 7X 0 10 M E 4 65 0 80 6X 7 62 5 92 0 52 0 08 x 45 ...

Page 50: ...l A 0 30 0 05 x 45 5X 0 40 0 05 X 45 3X CORING ALLOWED IN THIS AREA 2 25 0 05 4 85 0 05 0 10 B E S14 S8 4 40 0 15 SEE Detail 2 3 90 0 15 SECTION A A SECTION C C A 0 35 0 05 45 R0 30 0 08 C 1 95 0 08 0 08 0 05 1 23 0 05 0 08 0 05 Detail 2 CONTACT SURFACE FLUSH TO DATUM A 0 03 65 30 1 90 0 08 SECTION B B 2 40 0 08 0 10 A D ...

Page 51: ... pin out of the SAS device and a description of the functions provided by the pins Table 10 SAS pin descriptions Short pin to support hot plugging Power Disable T10 Industry Standard for remote management of the end device Allows power cycling power saving to be controlled by the host via interface pin 3 NC No connection in the drive Pin Signal name Signal type Pin Signal name Signal type S1 Port ...

Page 52: ...rent and return current must be distributed as evenly as possible among the pins Current to the drive through the long power pins may be limited by the system to reduce inrush current to the drive during hot plugging 10 5 Signal characteristics This section describes the electrical signal characteristics of the drive s input and output signals See Table 10 for signal type and signal name informati...

Page 53: ...e standard SAS 2 training pattern transmitted during the SNW 3 training gap The DFE cir cuit can derive an optimal equalization characteristic to compensate for many of the receive losses in the system 2 A Feed Forward Equalizer FFE optimized to provide balanced receive margins over a range of channels bounded by the best and worst case channels as defined by the relevant ANSI standard 10 7 Additi...

Page 54: ... United States 408 658 1000 ASIA PACIFIC Seagate Singapore International Headquarters Pte Ltd 7000 Ang Mo Kio Avenue 5 Singapore 569877 65 6485 3888 EUROPE MIDDLE EAST AND AFRICA Seagate Technology SAS 16 18 rue du Dôme 92100 Boulogne Billancourt France 33 1 4186 10 00 Publication Number 100790573 Rev B May 2016 ...

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