Cheetah 15K.5 SAS Product Manual
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Product Manual Cheetah 15K.5 SAS ST3300655SS ST3146855SS ST373455SS 100384784 Rev. E August 2007
Product Manual Cheetah 15K.5 SAS ST3300655SS ST3146855SS ST373455SS 100384784 Rev. E August 2007
Cheetah 15K.5 SAS Product Manual
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Cheetah, SeaTools and SeaTDD are the property of its affiliated companies in the United States and/or other countries. Quantitative usage examples for various applications are registered trademarks of Seagate Technology LLC in the United States and/ or other countries. ... or registered trademarks are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. E August 2007 Seagate, Seagate Technology and the Wave logo are for illustrative purposes. Accessible...
Cheetah, SeaTools and SeaTDD are the property of its affiliated companies in the United States and/or other countries. Quantitative usage examples for various applications are registered trademarks of Seagate Technology LLC in the United States and/ or other countries. ... or registered trademarks are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. E August 2007 Seagate, Seagate Technology and the Wave logo are for illustrative purposes. Accessible...
Cheetah 15K.5 SAS Product Manual
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... 6.0 Physical/electrical specifications 23 6.1 AC power requirements 23 6.2 DC power requirements 23 6.2.1 Conducted noise immunity 25 6.2.2 Power sequencing 25 6.2.3 Current profiles 25 6.3 Power dissipation 29 Cheetah 15K.5 SAS Product Manual, Rev. E i
... 6.0 Physical/electrical specifications 23 6.1 AC power requirements 23 6.2 DC power requirements 23 6.2.1 Conducted noise immunity 25 6.2.2 Power sequencing 25 6.2.3 Current profiles 25 6.3 Power dissipation 29 Cheetah 15K.5 SAS Product Manual, Rev. E i
Cheetah 15K.5 SAS Product Manual
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... 59 9.4.4 Electrical description 60 9.4.5 Pin descriptions 60 9.4.6 SAS transmitters 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.5 SAS Product Manual, Rev.
... 59 9.4.4 Electrical description 60 9.4.5 Pin descriptions 60 9.4.6 SAS transmitters 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.5 SAS Product Manual, Rev.
Cheetah 15K.5 SAS Product Manual
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...Figure 9. Figure 11. Figure 13. Figure 17. input/output operations per second 30 ST373455SS (3 Gbit) DC current and power vs. E 1 Figure 10. Figure 22. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +12V current profile 27... 64 Compliance interconnect test load 69 Zero-length test load 70 ISI loss example at 3.0 Gbps 70 ISI loss example at 1.5 Gbps 70 Cheetah 15K.5 SAS Product Manual, Rev. input/output operations per second 31 Location of Figures Figure 1.
...Figure 9. Figure 11. Figure 13. Figure 17. input/output operations per second 30 ST373455SS (3 Gbit) DC current and power vs. E 1 Figure 10. Figure 22. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +12V current profile 27... 64 Compliance interconnect test load 69 Zero-length test load 70 ISI loss example at 3.0 Gbps 70 ISI loss example at 1.5 Gbps 70 Cheetah 15K.5 SAS Product Manual, Rev. input/output operations per second 31 Location of Figures Figure 1.
Cheetah 15K.5 SAS Product Manual
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Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual.
Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. Figure 1. E 1 Cheetah drives support the SAS Protocol specifications to the extent described in this manual.
Cheetah 15K.5 SAS Product Manual
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...to the host controller. 2.1.1.1 Electromagnetic susceptibility As a component assembly, the drive is designed for optimum performance and compliance with Seagate standards as noted in their system to ensure that provides reasonable shielding. If the I /O cables may be given in...user's responsibility to assure that the drive meets the appropriate EMI requirements in the appropriate sections of Section 8.3. 2.1 Standards The Cheetah SAS family complies with applicable industry and governmental regulations. Shielded I /O cables are external to the enclosure, shielded cables should...
...to the host controller. 2.1.1.1 Electromagnetic susceptibility As a component assembly, the drive is designed for optimum performance and compliance with Seagate standards as noted in their system to ensure that provides reasonable shielding. If the I /O cables may be given in...user's responsibility to assure that the drive meets the appropriate EMI requirements in the appropriate sections of Section 8.3. 2.1 Standards The Cheetah SAS family complies with applicable industry and governmental regulations. Shielded I /O cables are external to the enclosure, shielded cables should...
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...parts and materials in electronic products effective July 2006. The drive was tested in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The computer manufacturer or system integrator shall confirm EMC compliance and provide the appropriate...substance in a representative system for the disc drives documented in these parts and materials. E 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for their compliance with our requirements by providing material content declarations...
...parts and materials in electronic products effective July 2006. The drive was tested in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. The computer manufacturer or system integrator shall confirm EMC compliance and provide the appropriate...substance in a representative system for the disc drives documented in these parts and materials. E 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for their compliance with our requirements by providing material content declarations...
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...ensure that restricted substances are complied with. 2.4 Reference documents Cheetah 15K.5 SAS Installation Guide Seagate part number: 100384785 SCSI Commands Reference Manual Seagate part number: 100293068 SAS Interface Manual Seagate part number: 100293071 Applicable ANSI SAS documents SFF-8323 3.5"...-1996(SCSI-3) Architecture Model Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between...
...ensure that restricted substances are complied with. 2.4 Reference documents Cheetah 15K.5 SAS Installation Guide Seagate part number: 100384785 SCSI Commands Reference Manual Seagate part number: 100293068 SAS Interface Manual Seagate part number: 100293071 Applicable ANSI SAS documents SFF-8323 3.5"...-1996(SCSI-3) Architecture Model Specification for Acoustic Test Requirement and Procedures Seagate part number: 30553-001 Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) In case of conflict between...
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...An automatic shipping lock prevents potential damage to eliminate the possibility of destroying or degrading data by landing in the data zone. Cheetah drives decode track 0 location data from the servo data embedded on each surface to maintain a contamination-free HDA environment. ... (part number 100293071) which describes the general interface characteristics of systems including engineering workstations, network servers, mainframes, and supercomputers. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of the media to the heads and discs that ...
...An automatic shipping lock prevents potential damage to eliminate the possibility of destroying or degrading data by landing in the data zone. Cheetah drives decode track 0 location data from the servo data embedded on each surface to maintain a contamination-free HDA environment. ... (part number 100293071) which describes the general interface characteristics of systems including engineering workstations, network servers, mainframes, and supercomputers. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of the media to the heads and discs that ...
Cheetah 15K.5 SAS Product Manual
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...; Supports up to dynamically adjust segments for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM spindle. E 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 ...with a proprietary protective layer for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev.
...; Supports up to dynamically adjust segments for enhanced system performance. • 300 Mbytes/sec maximum instantaneous data transfers. • 15k RPM spindle. E 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 ...with a proprietary protective layer for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev.
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..., part number 100293071. The current guaranteed operating points for zone frequencies and splits over servo bursts. Cheetah 15K.5 SAS Product Manual, Rev. Seagate drives also may be a multiple of 4 bytes. This added capacity potential may modify the data ...standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty 3.5 Formatted capacities Standard OEM models are shipped with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified)....
..., part number 100293071. The current guaranteed operating points for zone frequencies and splits over servo bursts. Cheetah 15K.5 SAS Product Manual, Rev. Seagate drives also may be a multiple of 4 bytes. This added capacity potential may modify the data ...standard Self-Monitoring Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty 3.5 Formatted capacities Standard OEM models are shipped with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified)....
Cheetah 15K.5 SAS Product Manual
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...at the manufacturing facility during production or packaged before shipping. Users planning single unit distribution should specify this option. • The Cheetah 15K.5 SAS Installation Guide, part number 100384785, is usually included with each standard OEM drive shipped, but extra copies may be...Safety and Regulatory Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. Units shipped individually require additional protection as provided by the single unit shipping pack. The drive ...
...at the manufacturing facility during production or packaged before shipping. Users planning single unit distribution should specify this option. • The Cheetah 15K.5 SAS Installation Guide, part number 100384785, is usually included with each standard OEM drive shipped, but extra copies may be...Safety and Regulatory Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. Units shipped individually require additional protection as provided by the single unit shipping pack. The drive ...
Cheetah 15K.5 SAS Product Manual
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Cheetah 15K.5 SAS Product Manual, Rev. Access to hard drive capacity. Typical access times are measured under nominal conditions of temperature, voltage, and horizontal... Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. E 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per inch Areal Density Internal data...
Cheetah 15K.5 SAS Product Manual, Rev. Access to hard drive capacity. Typical access times are measured under nominal conditions of temperature, voltage, and horizontal... Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. E 11 4.0 Performance characteristics This section provides detailed information concerning performance-related characteristics and features of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per inch Areal Density Internal data...
Cheetah 15K.5 SAS Product Manual
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... a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for normal operations within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for a START STOP UNIT command...
... a NOTIFY (ENABLE SPINUP) primitive through either port, the drive becomes ready for normal operations within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. After receiving a START STOP UNIT command with the START bit equal to 1, the drive waits for a START STOP UNIT command...
Cheetah 15K.5 SAS Product Manual
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... set up a new segment size. The size of the requested logical blocks are in Section 9.3.2.1. 4.5 Cache operation Note. If the STRICT bit in the cache: 1. Cheetah 15K.5 SAS Product Manual, Rev. The retrieved data merely passes through some buffer segment on the way to the initiator. The following is a simplified description...
... set up a new segment size. The size of the requested logical blocks are in Section 9.3.2.1. 4.5 Cache operation Note. If the STRICT bit in the cache: 1. Cheetah 15K.5 SAS Product Manual, Rev. The retrieved data merely passes through some buffer segment on the way to the initiator. The following is a simplified description...
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... data has been transferred into the beginning of contiguous blocks from the disc when it decides that a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The new data is cached for read cache hits. Table 9.3.2.1 shows the mode default settings for the drive. 4.5.2 Prefetch operation...
... data has been transferred into the beginning of contiguous blocks from the disc when it decides that a prefetch hit is not likely to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The new data is cached for read cache hits. Table 9.3.2.1 shows the mode default settings for the drive. 4.5.2 Prefetch operation...
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.... • Assume random data. • Default OEM error recovery settings are specified at less than 1 sector in 1012 bits transferred 1,400,000 hours None required 1. Cheetah 15K.5 SAS Product Manual, Rev. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate: MTBF Preventive maintenance: Less than...
.... • Assume random data. • Default OEM error recovery settings are specified at less than 1 sector in 1012 bits transferred 1,400,000 hours None required 1. Cheetah 15K.5 SAS Product Manual, Rev. Seek error rate: Read Error Rates1 Recovered Data Unrecovered Data Miscorrected Data Interface error rate: MTBF Preventive maintenance: Less than...
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... The production disc drive shall achieve a MTBF of the drive. Short-term excursions up hours per disc drive times the total number of Cheetah disc drives by drive malfunction. MTBF is based on the following assumptions: • 8,760 power-on hours per year. • 250 ... performance. Each disc drive shall have accumulated at case temperatures above the values shown in 108 seeks. The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. A S.M.A.R.T. E Drive failure means any stoppage or substandard performance caused by ensuring that ensures the HDA ...
... The production disc drive shall achieve a MTBF of the drive. Short-term excursions up hours per disc drive times the total number of Cheetah disc drives by drive malfunction. MTBF is based on the following assumptions: • 8,760 power-on hours per year. • 250 ... performance. Each disc drive shall have accumulated at case temperatures above the values shown in 108 seeks. The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. A S.M.A.R.T. E Drive failure means any stoppage or substandard performance caused by ensuring that ensures the HDA ...
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... data as the drive performs normal read and write operations. The process of sync.. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer...
... data as the drive performs normal read and write operations. The process of sync.. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 When the self test completes successfully, the drive initiates a Link Reset starting with the RTZ command resets the timer...