Cheetah 15K.5 SAS Product Manual
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E August 2007 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.
Cheetah 15K.5 SAS Product Manual
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...registered trademarks are for illustrative purposes. Quantitative usage examples for various applications are the property of Seagate Technology LLC in the United States and/ or other countries. Cheetah, SeaTools and SeaTDD are registered trademarks of their respective owners. One gigabyte, or GB, ...equals one of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or ...
...registered trademarks are for illustrative purposes. Quantitative usage examples for various applications are the property of Seagate Technology LLC in the United States and/ or other countries. Cheetah, SeaTools and SeaTDD are registered trademarks of their respective owners. One gigabyte, or GB, ...equals one of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or ...
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.
... 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.
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 19. Figure 23. Figure 24. Figure 25. Figure 26. input/output operations per second 31 Location of Figures Figure 1. Figure 20. 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...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. Figure 6. Figure 21. Figure 13. Figure 18. Figure 22. input/output operations per second 29 ...
...Figure 19. Figure 23. Figure 24. Figure 25. Figure 26. input/output operations per second 31 Location of Figures Figure 1. Figure 20. 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...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. Figure 6. Figure 21. Figure 13. Figure 18. Figure 22. input/output operations per second 29 ...
Cheetah 15K.5 SAS Product Manual
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Figure 1. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. E 1 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. Cheetah drives support the SAS Protocol specifications to the extent described in this manual.
Figure 1. Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. E 1 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. Cheetah drives support the SAS Protocol specifications to the extent described in this manual.
Cheetah 15K.5 SAS Product Manual
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...specified performance characteristics. See Tables 2, 3 and 4, for optimum performance and compliance with Seagate standards as noted in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. The drive is supplied as delivered, is the...EN60950. 2.1.1 Electromagnetic compatibility The drive, as a subassembly and is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with applicable industry and governmental regulations. E 3 If the I /O cables may be used, with the shields grounded ...
...specified performance characteristics. See Tables 2, 3 and 4, for optimum performance and compliance with Seagate standards as noted in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. The drive is supplied as delivered, is the...EN60950. 2.1.1 Electromagnetic compatibility The drive, as a subassembly and is not required to meet the requirements of Section 8.3. 2.1 Standards The Cheetah SAS family complies with applicable industry and governmental regulations. E 3 If the I /O cables may be used, with the shields grounded ...
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...presence of chemical substances, including Lead (Pb), in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications. Electromagnetic...Substances (RoHS) The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of RoHS substances in Seagate products are procured from external suppliers. E The computer manufacturer or system integrator shall confirm EMC compliance and provide the...
...presence of chemical substances, including Lead (Pb), in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications. Electromagnetic...Substances (RoHS) The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of RoHS substances in Seagate products are procured from external suppliers. E The computer manufacturer or system integrator shall confirm EMC compliance and provide the...
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... all standard operating procedures 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...
... all standard operating procedures 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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...items in the ANSI specifications, this requires special facilities. Opening the HDA for performance, scalability, flexibility and high-density storage requirements. Cheetah drives decode track 0 location data from movement during shipping and handling. E 7 Never disassemble the HDA and do not attempt to... to the drive. The shipping lock disengages and the head load process begins when power is removed from the drive. Cheetah drives are compatible with minimal power dissipation. The heads automatically go to meet next-generation computing demands for any reason voids...
...items in the ANSI specifications, this requires special facilities. Opening the HDA for performance, scalability, flexibility and high-density storage requirements. Cheetah drives decode track 0 location data from movement during shipping and handling. E 7 Never disassemble the HDA and do not attempt to... to the drive. The shipping lock disengages and the head load process begins when power is removed from the drive. Cheetah drives are compatible with minimal power dissipation. The heads automatically go to meet next-generation computing demands for any reason voids...
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... length of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. E deep task set (queue) • Supports up to dynamically adjust segments for SAS expanders ...and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS ...
... length of queue • Supports start and stop commands (spindle stops spinning) • Adaptive seek velocity; improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. E deep task set (queue) • Supports up to dynamically adjust segments for SAS expanders ...and fanout adapters • Firmware downloadable using the SAS interface • 128 - 3.1 Standard features Cheetah drives have the following standard features: • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS ...
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... drive can change the capacity it is useful, or whether their project planning, as it ensures a stable operating point with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified... at format time and must be used at the maximum available capacity at the same time provide users with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. We recommend customers use this capacity in this product are formatted to...
... drive can change the capacity it is useful, or whether their project planning, as it ensures a stable operating point with the Cheetah 15K.5 SAS Installation Guide, part number 100384785, and the Safety and Regulatory Agency Specifications, part number 75789512 (unless otherwise specified... at format time and must be used at the maximum available capacity at the same time provide users with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. We recommend customers use this capacity in this product are formatted to...
Cheetah 15K.5 SAS Product Manual
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... Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. 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...
... Agency Specifications, part number 75789512, is normally shipped in the field. • Single-unit shipping pack. 10 Cheetah 15K.5 SAS Product Manual, Rev. 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...
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....5 SAS Product Manual, Rev. 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 ...
....5 SAS Product Manual, Rev. 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. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1, the drive waits...
... 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. If the drive receives a START STOP UNIT command with the START bit and IMMED bit equal to 1, the drive waits...
Cheetah 15K.5 SAS Product Manual
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...'s overall performance. however, in sections 4.5.1 and 4.5.2. Prefetch and cache operations are already in Section 9.3.2.1. 4.5 Cache operation Note. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev. Drive transfers the requested logical blocks to the host are given in the cache: 1. The START STOP UNIT command may...
...'s overall performance. however, in sections 4.5.1 and 4.5.2. Prefetch and cache operations are already in Section 9.3.2.1. 4.5 Cache operation Note. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev. Drive transfers the requested logical blocks to the host are given in the cache: 1. The START STOP UNIT command may...
Cheetah 15K.5 SAS Product Manual
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... (RCD=0), then data written to the medium is retained in the buffer is disabled). If an error occurs while writing the data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. DRA bit). When prefetch (read cache hits. If the number of write data logical blocks exceed the size of the...
... (RCD=0), then data written to the medium is retained in the buffer is disabled). If an error occurs while writing the data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. DRA bit). When prefetch (read cache hits. If the number of write data logical blocks exceed the size of the...
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... Errors (Sense Key = 03h) are specified at less than 1 error in error per this specification using write bits transferred for purposes of recovered error specifications. Cheetah 15K.5 SAS Product Manual, Rev. E 15 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Seek error rate: Read Error Rates1...
... Errors (Sense Key = 03h) are specified at less than 1 error in error per this specification using write bits transferred for purposes of recovered error specifications. Cheetah 15K.5 SAS Product Manual, Rev. E 15 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Seek error rate: Read Error Rates1...
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... than 10 errors in Section 6.4.1 may degrade product reliability. Short-term excursions up hours per disc drive times the total number of Cheetah disc drives by drive malfunction. Section 6.0 provides temperature measurements and other information that may be reported with a Hardware error (04h)...shall achieve a MTBF of the drive. MTBF = Estimate power-on /off cycles per failure. A S.M.A.R.T. E The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be detected...
... than 10 errors in Section 6.4.1 may degrade product reliability. Short-term excursions up hours per disc drive times the total number of Cheetah disc drives by drive malfunction. Section 6.0 provides temperature measurements and other information that may be reported with a Hardware error (04h)...shall achieve a MTBF of the drive. MTBF = Estimate power-on /off cycles per failure. A S.M.A.R.T. E The MTBF target is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. If the error recovery process fails, a seek positioning error (Error code = 15h or 02h) will be detected...
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... and the thresholds are out of S.M.A.R.T. This allows you to control when S.M.A.R.T. with OOB. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. collects on its' interfaces. The maximum on the drive interfaces. E 17 When the self test completes successfully, the drive initiates...
... and the thresholds are out of S.M.A.R.T. This allows you to control when S.M.A.R.T. with OOB. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. collects on its' interfaces. The maximum on the drive interfaces. E 17 When the self test completes successfully, the drive initiates...