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...38 6.4.8 Electromagnetic susceptibility 38 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 SAS system errors 40 8.0 Installation 41 8.1 Drive orientation 41 8.2 Cooling 42 8.3 Drive mounting 43 8.4 Grounding 43 9.0 Interface requirements 45 9.1 SAS features 45 9.1.1 task ... and receivers 61 9.4.7 Power 61 9.5 Signal characteristics 61 9.5.1 Ready LED Out 61 9.5.2 Differential signals 62 10.0 Seagate Technology support services 73 ii Cheetah 15K.4 SAS Product Manual, Rev.
...38 6.4.8 Electromagnetic susceptibility 38 6.5 Mechanical specifications 38 7.0 Defect and error management 39 7.1 Drive internal defects/errors 39 7.2 Drive error recovery procedures 39 7.3 SAS system errors 40 8.0 Installation 41 8.1 Drive orientation 41 8.2 Cooling 42 8.3 Drive mounting 43 8.4 Grounding 43 9.0 Interface requirements 45 9.1 SAS features 45 9.1.1 task ... and receivers 61 9.4.7 Power 61 9.5 Signal characteristics 61 9.5.1 Ready LED Out 61 9.5.2 Differential signals 62 10.0 Seagate Technology support services 73 ii Cheetah 15K.4 SAS Product Manual, Rev.
Cheetah 15K.4 SAS Product Manual
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Figure 1. Cheetah 15K.4 SAS disc drive Cheetah 15K.4 SAS Product Manual, Rev. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of this manual. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. Cheetah drives support the SAS Protocol specifications to the extent described in this and other Seagate SAS drives. B 1
Figure 1. Cheetah 15K.4 SAS disc drive Cheetah 15K.4 SAS Product Manual, Rev. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of this manual. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. Cheetah drives support the SAS Protocol specifications to the extent described in this and other Seagate SAS drives. B 1
Cheetah 15K.4 SAS Product Manual
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... An automatic shipping lock prevents potential damage to the heads and discs that provides excellent performance with either SAS or SATA hard disc drives. Cheetah 15K.4 SAS Product Manual, Rev. Note. Opening the HDA for any reason voids your existing investment in the data ...in SCSI while gaining a 3Gb/s serial data transfer rate. Cheetah drives are random access storage devices designed to maintain a contamination-free HDA environment. Air recirculates within the HDA through a nonreplaceable filter to support the Serial Attached SCSI Protocol as described in the sealed ...
... An automatic shipping lock prevents potential damage to the heads and discs that provides excellent performance with either SAS or SATA hard disc drives. Cheetah 15K.4 SAS Product Manual, Rev. Note. Opening the HDA for any reason voids your existing investment in the data ...in SCSI while gaining a 3Gb/s serial data transfer rate. Cheetah drives are random access storage devices designed to maintain a contamination-free HDA environment. Air recirculates within the HDA through a nonreplaceable filter to support the Serial Attached SCSI Protocol as described in the sealed ...
Cheetah 15K.4 SAS Product Manual
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... and fanout adapters • Firmware downloadable using the SAS interface • 64 - B 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 3.3 Performance • Programmable multi-segmentable cache buffer •...
... and fanout adapters • Firmware downloadable using the SAS interface • 64 - B 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for improved durability and environmental protection. 3.3 Performance • Programmable multi-segmentable cache buffer •...
Cheetah 15K.4 SAS Product Manual
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...operation by Mode Sense command page 08h, bytes 14 and 15. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). 14 Cheetah 15K.4 SAS Product Manual, Rev. Since data that was requested by the number of segments from the buffer to the host on a write ..., bit 5 (Disable Read Ahead - Each cache segment is actually a self-contained circular buffer whose length is an integer number of prefetch. The drive supports operation of a Synchronize Cache command, all cached write data to the medium. If read cache hits. The new data is cached for future read caching...
...operation by Mode Sense command page 08h, bytes 14 and 15. To enable Prefetch, use the Prefetch Ceiling field (bytes 10 and 11). 14 Cheetah 15K.4 SAS Product Manual, Rev. Since data that was requested by the number of segments from the buffer to the host on a write ..., bit 5 (Disable Read Ahead - Each cache segment is actually a self-contained circular buffer whose length is an integer number of prefetch. The drive supports operation of a Synchronize Cache command, all cached write data to the medium. If read cache hits. The new data is cached for future read caching...
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.... Details of the SCSI commands supported by the drive provides a way to other sections are provided when necessary. 7.1 Drive internal defects/errors During the initial drive format operation at the factory, media defects are described in the SAS Interface Manual. Cheetah 15K.4 SAS Product Manual, Rev... of time spent in error recovery for a command can be referenced by the host (initiator). The error recovery scheme supported by the drive are identified, tagged as being unusable, and their locations recorded on the options previously set in video applications. The total...
.... Details of the SCSI commands supported by the drive provides a way to other sections are provided when necessary. 7.1 Drive internal defects/errors During the initial drive format operation at the factory, media defects are described in the SAS Interface Manual. Cheetah 15K.4 SAS Product Manual, Rev... of time spent in error recovery for a command can be referenced by the host (initiator). The error recovery scheme supported by the drive are identified, tagged as being unusable, and their locations recorded on the options previously set in video applications. The total...
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... number 100293071). 9.1 SAS features This section lists the SAS-specific features supported by Cheetah drives. 9.1.1 task management functions Table 6 lists the SAS task management functions supported. 9.0 Interface requirements This section partially describes the interface requirements as implemented on Cheetah drives. Table 6: SAS task management functions supported Task name Abort Task Clear ACA Clear task set Abort task...
... number 100293071). 9.1 SAS features This section lists the SAS-specific features supported by Cheetah drives. 9.1.1 task management functions Table 6 lists the SAS task management functions supported. 9.0 Interface requirements This section partially describes the interface requirements as implemented on Cheetah drives. Table 6: SAS task management functions supported Task name Abort Task Clear ACA Clear task set Abort task...
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... speed negotiation, both ports. These ports may be connected in speed negotiation, it indicates the only supported speed is the speed selected by both ports revert back to buffer availability, the Cheetah drives support: • Concurrent port transfers-The drive supports receiving COMMAND, TASK management transfers on condition of allowing either link rate (1.5 or 3.0 Gbits/sec...
... speed negotiation, both ports. These ports may be connected in speed negotiation, it indicates the only supported speed is the speed selected by both ports revert back to buffer availability, the Cheetah drives support: • Concurrent port transfers-The drive supports receiving COMMAND, TASK management transfers on condition of allowing either link rate (1.5 or 3.0 Gbits/sec...
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B 47 9.3 SCSI commands supported Table 8 lists the SCSI commands supported by Cheetah 15K.4 SAS family drives Command name Change Definition Compare Copy Copy and Verify Format Unit [1] DPRY bit supported DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS (vendor specific) Inquiry Date Code ... Last n Error Events page (07h) Command code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported N N N N Y N Y Y Y Y Y N Y Y Y Y Y Y Y Y N Y Y N Y Y N N N Y Y N Y Y N N Cheetah 15K.4 SAS Product Manual, Rev. Table 8: Commands supported by Cheetah drives.
B 47 9.3 SCSI commands supported Table 8 lists the SCSI commands supported by Cheetah 15K.4 SAS family drives Command name Change Definition Compare Copy Copy and Verify Format Unit [1] DPRY bit supported DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS (vendor specific) Inquiry Date Code ... Last n Error Events page (07h) Command code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported N N N N Y N Y Y Y Y Y N Y Y Y Y Y Y Y Y N Y Y N Y Y N N N Y Y N Y Y N N Cheetah 15K.4 SAS Product Manual, Rev. Table 8: Commands supported by Cheetah drives.
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B Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Non-medium Error page (06h) Pages Supported list (00h) Read Error Counter page (03h) Read Reverse Error Counter page (04h) Self-test Results page (10h) Start-... and Partition Page (0Ch) Protocol-Specific Port page (19h) Power Condition page (1Ah) Rigid Disc Drive Geometry page (04h) Unit Attention page (00h) Verify Error Recovery page (07h) Xor Control page (10h) Command code 15h 55h 1Ah Supported Y Y Y N Y Y Y Y Y Y [2] Y Y [2] Y Y Y Y Y Y N Y Y Y Y Y N Mode Sense (10) (same pages as Mode Sense 1Ah)...
B Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Non-medium Error page (06h) Pages Supported list (00h) Read Error Counter page (03h) Read Reverse Error Counter page (04h) Self-test Results page (10h) Start-... and Partition Page (0Ch) Protocol-Specific Port page (19h) Power Condition page (1Ah) Rigid Disc Drive Geometry page (04h) Unit Attention page (00h) Verify Error Recovery page (07h) Xor Control page (10h) Command code 15h 55h 1Ah Supported Y Y Y N Y Y Y Y Y Y [2] Y Y [2] Y Y Y Y Y Y N Y Y Y Y Y N Mode Sense (10) (same pages as Mode Sense 1Ah)...
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B 49 Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Supported Diagnostics pages (00h) Translate page (40h) Release Release (10) Request Sense Actual Retry Count bytes Extended Sense Field Pointer bytes Reserve 3rd Party ... Extent Reservation Reserve (10) 3rd Party Reserve Extent Reservation Rezero Unit Search Data Equal Search Data High Search Data Low Seek Seek Extended Send Diagnostics Supported Diagnostics pages (00h) Translate page (40h) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit...
B 49 Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Supported Diagnostics pages (00h) Translate page (40h) Release Release (10) Request Sense Actual Retry Count bytes Extended Sense Field Pointer bytes Reserve 3rd Party ... Extent Reservation Reserve (10) 3rd Party Reserve Extent Reservation Rezero Unit Search Data Equal Search Data High Search Data Low Seek Seek Extended Send Diagnostics Supported Diagnostics pages (00h) Translate page (40h) Set Limits Start Unit/Stop Unit (spindle ceases rotating) Synchronize Cache Test Unit Ready Verify BYTCHK bit...
Cheetah 15K.4 SAS Product Manual
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... 704 bytes. [2] Warning. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mode pages supported. [4] Y = Yes. Command is supported. N = No. Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Write Same PBdata LBdata XDRead XDWrite XPWrite Command code 41h 52h 50h 51h Supported Y N N N N N [1] Cheetah drives can result in the range 512 to any...
... 704 bytes. [2] Warning. This usually makes the drive inoperable. [3] Reference Mode Sense command 1Ah for mode pages supported. [4] Y = Yes. Command is supported. N = No. Table 8: Commands supported by Cheetah 15K.4 SAS family drives (continued) Command name Write Same PBdata LBdata XDRead XDWrite XPWrite Command code 41h 52h 50h 51h Supported Y N N N N N [1] Cheetah drives can result in the range 512 to any...
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... RPL and rotational offset bytes Table 11: Miscellaneous status Supported Y Status Good Y Check condition Y Condition met/good Y Busy Y Intermediate/good Y Intermediate/condition met/good Y Reservation conflict Y Task set full N ACA active N ACA active, faulted initiator 56 Cheetah 15K.4 SAS Product Manual, Rev. An "N" in the support column indicates the feature or condition is...
... RPL and rotational offset bytes Table 11: Miscellaneous status Supported Y Status Good Y Check condition Y Condition met/good Y Busy Y Intermediate/good Y Intermediate/condition met/good Y Reservation conflict Y Task set full N ACA active N ACA active, faulted initiator 56 Cheetah 15K.4 SAS Product Manual, Rev. An "N" in the support column indicates the feature or condition is...
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... 12: SAS pin descriptions Pin Signal name Signal type S1 Port A Ground S2* +Port A_in Diff. No connection in the drive. input pair S3* -Port A_in S4 Port A Ground S5* -Port A_out Diff output pair S6* +Port A_out S7 Port...the functions provided by the pins. 9.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to support hot plugging NC - Pin Signal name Signal type P1* ... Ground P13 12 Volts charge P14* 12 Volts P15* 12 Volts 60 Cheetah 15K.4 SAS Product Manual, Rev.
... 12: SAS pin descriptions Pin Signal name Signal type S1 Port A Ground S2* +Port A_in Diff. No connection in the drive. input pair S3* -Port A_in S4 Port A Ground S5* -Port A_out Diff output pair S6* +Port A_out S7 Port...the functions provided by the pins. 9.4.4 Electrical description SAS drives use the device connector for: • DC power • SAS interface • Activity LED This connector is designed to support hot plugging NC - Pin Signal name Signal type P1* ... Ground P13 12 Volts charge P14* 12 Volts P15* 12 Volts 60 Cheetah 15K.4 SAS Product Manual, Rev.
Cheetah 15K.4 SAS Product Manual
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...off voltage is defined as a percentage of the average of the V+ and V- voltage measured at signal voltage levels corresponding to the lowest supported transfer rate. All specifications are measured from 20 % to the data stream, shall be made at the transmitter end of a TxRx ...The OOB sequence is performed at compliance points when the transmitter is unpowered or transmitting D.C. Skew is the maximum A.C. RMS amplitudes. Cheetah 15K.4 SAS Product Manual, Rev. Table 16: Transmitter signal characteristics Signal characteristica Units 1.5 Gbps 3.0 Gbps Skewb Tx Off Voltagec Maximum...
...off voltage is defined as a percentage of the average of the V+ and V- voltage measured at signal voltage levels corresponding to the lowest supported transfer rate. All specifications are measured from 20 % to the data stream, shall be made at the transmitter end of a TxRx ...The OOB sequence is performed at compliance points when the transmitter is unpowered or transmitting D.C. Skew is the maximum A.C. RMS amplitudes. Cheetah 15K.4 SAS Product Manual, Rev. Table 16: Transmitter signal characteristics Signal characteristica Units 1.5 Gbps 3.0 Gbps Skewb Tx Off Voltagec Maximum...
Cheetah 15K.4 SAS Product Manual
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... you online at support.seagate.com or through a single, passwordprotected Web interface-anytime, anywhere in the world. Worldwide support is the Seagate toll-free number (1-800-732-4283) to access our automated directory assistance for your questions. These communications contain product launch, EOL, pricing, promotions and other channel-related information. Cheetah 15K.4 SAS Product Manual...
... you online at support.seagate.com or through a single, passwordprotected Web interface-anytime, anywhere in the world. Worldwide support is the Seagate toll-free number (1-800-732-4283) to access our automated directory assistance for your questions. These communications contain product launch, EOL, pricing, promotions and other channel-related information. Cheetah 15K.4 SAS Product Manual...
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... 8:00 A.M. B Have your drive's "ST" model number and serial number available. to 5:00 P.M., Saturday (Eastern time). 74 Cheetah 15K.4 SAS Product Manual, Rev. and 1:00 P.M. to 6:00 P.M., Monday through Friday (Central time). 4Authorized Service Center 5Hours of operation are 8:00 A.M. USA/Canada/Latin America support services Seagate Service Centers Presales Support Call center Americas Toll...
... 8:00 A.M. B Have your drive's "ST" model number and serial number available. to 5:00 P.M., Saturday (Eastern time). 74 Cheetah 15K.4 SAS Product Manual, Rev. and 1:00 P.M. to 6:00 P.M., Monday through Friday (Central time). 4Authorized Service Center 5Hours of operation are 8:00 A.M. USA/Canada/Latin America support services Seagate Service Centers Presales Support Call center Americas Toll...
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...-7222 from 8:30 A.M. to 5:00 P.M. (Central Europe time) Monday through Friday. to +31-20-6533513. Seagate Service Centers Toll-free support numbers Call center Austria Belgium Denmark France Germany Ireland Italy Netherlands Norway Poland Spain Sweden Switzerland Turkey United Kingdom Presales and...For warranty service in Africa and the Middle East, dial our presales and technical support call center at +1-405-324-4714 from 8:00 A.M. B 75 If your location is located in Oklahoma City, USA. Cheetah 15K.4 SAS Product Manual, Rev. to 5:00 P.M. (Central Europe time) Monday...
...-7222 from 8:30 A.M. to 5:00 P.M. (Central Europe time) Monday through Friday. to +31-20-6533513. Seagate Service Centers Toll-free support numbers Call center Austria Belgium Denmark France Germany Ireland Italy Netherlands Norway Poland Spain Sweden Switzerland Turkey United Kingdom Presales and...For warranty service in Africa and the Middle East, dial our presales and technical support call center at +1-405-324-4714 from 8:00 A.M. B 75 If your location is located in Oklahoma City, USA. Cheetah 15K.4 SAS Product Manual, Rev. to 5:00 P.M. (Central Europe time) Monday...
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...support, dial the toll-free number for your location is available from 6:00 A.M. to 6:00 P.M. (Australian Eastern time) Monday through October, and 10:00 A.M. April through Friday, except as noted. November through March (Australian Eastern time) Monday through Friday. 4Authorized Service Center 76 Cheetah... 15K.4 SAS Product Manual, Rev. Customer Service Operations Warranty Service Call center Asia/Pacific Australia India4 Toll-free - 1800-12-9277 - to 6:30 P.M., Monday through Friday. to 10:45 A.M. Seagate Service Centers Call ...
...support, dial the toll-free number for your location is available from 6:00 A.M. to 6:00 P.M. (Australian Eastern time) Monday through October, and 10:00 A.M. April through Friday, except as noted. November through March (Australian Eastern time) Monday through Friday. 4Authorized Service Center 76 Cheetah... 15K.4 SAS Product Manual, Rev. Customer Service Operations Warranty Service Call center Asia/Pacific Australia India4 Toll-free - 1800-12-9277 - to 6:30 P.M., Monday through Friday. to 10:45 A.M. Seagate Service Centers Call ...
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... condition status 56 chemical pollutants 37 class B limit 3 clear ACA function 45 clear task set function 45 commands supported 47 condensation 35 condition met/good status 56 connector illustrated 59 requirements 59 continuous vibration 37 cooling 42 corrosive environment ...management 39 deferred error handling 56 description 7 dimensions 38 disc rotation speed 11 drive 37 drive characteristics 11 drive failure 18 drive malfunction 18 drive mounting 38, 43 drive select 60 dual port support 46 E electrical description of connector 60 signal characteristics 61 specifications 25 electromagnetic ...
... condition status 56 chemical pollutants 37 class B limit 3 clear ACA function 45 clear task set function 45 commands supported 47 condensation 35 condition met/good status 56 connector illustrated 59 requirements 59 continuous vibration 37 cooling 42 corrosive environment ...management 39 deferred error handling 56 description 7 dimensions 38 disc rotation speed 11 drive 37 drive characteristics 11 drive failure 18 drive malfunction 18 drive mounting 38, 43 drive select 60 dual port support 46 E electrical description of connector 60 signal characteristics 61 specifications 25 electromagnetic ...