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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Cheetah, SeaTools and SeaTDD are for various applications are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. Quantitative usage examples for... right to hard drive capacity. Actual quantities will vary based on operating environment and formatting. E August 2007 Seagate, Seagate Technology and the Wave logo are the property of Seagate Technology LLC in the United States and/ or other countries. Accessible capacity may vary depending on various factors,...
Cheetah, SeaTools and SeaTDD are for various applications are either trademarks or registered trademarks of Seagate Technology LLC or one billion bytes when referring to change, without notice, product offerings or specifications. Quantitative usage examples for... right to hard drive capacity. Actual quantities will vary based on operating environment and formatting. E August 2007 Seagate, Seagate Technology and the Wave logo are the property of Seagate Technology LLC in the United States and/ or other countries. Accessible capacity may vary depending on various factors,...
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. E
... 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. E
Cheetah 15K.5 SAS Product Manual
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... 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 8. Figure 9. Figure 15. input/output operations per second 31 Location of Figures Figure 1.... Figure 14. Figure 22. Figure 25. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +...
... 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 8. Figure 9. Figure 15. input/output operations per second 31 Location of Figures Figure 1.... Figure 14. Figure 22. Figure 25. Cheetah 15K.5 SAS disc drive 1 Typical ST3300655SS drive +12V current profile 26 Typical ST3300655SS drive +5V current profile 26 Typical ST3146855SS drive +...
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. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. E 1 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. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. E 1 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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...and Regulations nor the Radio Interference Regulations of the Canadian Department of Communications. Cheetah 15K.5 SAS Product Manual, Rev. Mounting by bottom holes must be used, with Seagate standards as noted in the areas of Communications when properly packaged; The ... optimum performance and compliance with applicable industry and governmental regulations. Shielded I /O cables are external to ensure that provides reasonable shielding. The Cheetah disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 95095, and VDE or TUV certified ...
...and Regulations nor the Radio Interference Regulations of the Canadian Department of Communications. Cheetah 15K.5 SAS Product Manual, Rev. Mounting by bottom holes must be used, with Seagate standards as noted in the areas of Communications when properly packaged; The ... optimum performance and compliance with applicable industry and governmental regulations. Shielded I /O cables are external to ensure that provides reasonable shielding. The Cheetah disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA C22.2 No. 95095, and VDE or TUV certified ...
Cheetah 15K.5 SAS Product Manual
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... any RoHS-regulated substance in a representative system for typical applications. The drive was tested in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. We rely on the representations of our suppliers regarding the presence of parts and materials in... these parts and materials. A number of RoHS substances in Seagate products are procured from external suppliers. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee that ...
... any RoHS-regulated substance in a representative system for typical applications. The drive was tested in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. We rely on the representations of our suppliers regarding the presence of parts and materials in... these parts and materials. A number of RoHS substances in Seagate products are procured from external suppliers. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards, we cannot guarantee that ...
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... has internal systems in place to ensure that 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" Drive Form Factor with the RoHS Directive...
... has internal systems in place to ensure that 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" Drive Form Factor with the RoHS Directive...
Cheetah 15K.5 SAS Product Manual
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... eliminate the possibility of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. The...Interface Manual (part number 100293071) which describes the general interface characteristics of the media to maintain a contamination-free HDA environment. Cheetah drives are classified as described in SCSI while gaining a 3Gb/s serial data transfer rate. This allows you to continue to ...
... eliminate the possibility of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from the drive. The...Interface Manual (part number 100293071) which describes the general interface characteristics of the media to maintain a contamination-free HDA environment. Cheetah drives are classified as described in SCSI while gaining a 3Gb/s serial data transfer rate. This allows you to continue to ...
Cheetah 15K.5 SAS Product Manual
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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 ... Format) • ECC maximum burst correction 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.
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 ... Format) • ECC maximum burst correction 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.
Cheetah 15K.5 SAS Product Manual
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... listed above the guaranteed level will meet. See the Mode Select (6) parameter list table in the Number of Blocks field indicates that Seagate guarantees current and future products will vary between other than zero and less than maximum. 3.4 Reliability • 1,400,000 hour MTBF...in their assurance of zero in the SAS Interface Manual, part number 100293071. A value greater than those listed. Cheetah 15K.5 SAS Product Manual, Rev. Seagate drives also may range from generation to generation, depending on how each block size actually formats out for this manner ...
... listed above the guaranteed level will meet. See the Mode Select (6) parameter list table in the Number of Blocks field indicates that Seagate guarantees current and future products will vary between other than zero and less than maximum. 3.4 Reliability • 1,400,000 hour MTBF...in their assurance of zero in the SAS Interface Manual, part number 100293071. A value greater than those listed. Cheetah 15K.5 SAS Product Manual, Rev. Seagate drives also may range from generation to generation, depending on how each block size actually formats out for this manner ...
Cheetah 15K.5 SAS Product Manual
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...) You may be installed in bulk packaging to provide maximum protection against transit damage. 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 ordered depending on sparing... can be ordered. • The 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.
...) You may be installed in bulk packaging to provide maximum protection against transit damage. 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 ordered depending on sparing... can be ordered. • The 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.
Cheetah 15K.5 SAS Product Manual
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... environment and formatting. **Rounded off value. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per ... (variable with zone) RPM msec *One Gbyte equals one billion bytes when referring to data = access time + latency time. Cheetah 15K.5 SAS Product Manual, Rev. E 11 Access to hard drive capacity. 4.0 Performance characteristics This section provides detailed information concerning performance...
... environment and formatting. **Rounded off value. 4.2 Seek time See Section 9.4.1, "SAS physical interface" on a representative sample of Cheetah drives. 4.1 Internal drive characteristics Drive capacity Read/write data heads Tracks per surface (total) Tracks per inch Peak bits per ... (variable with zone) RPM msec *One Gbyte equals one billion bytes when referring to data = access time + latency time. Cheetah 15K.5 SAS Product Manual, Rev. E 11 Access to hard drive capacity. 4.0 Performance characteristics This section provides detailed information concerning performance...
Cheetah 15K.5 SAS Product Manual
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... UNIT command with the START bit equal to 1, the drive waits for normal operations within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without verify) ST3300655SS 120 60 ST3146855SS 90 45 ST373455SS 60 30...
... UNIT command with the START bit equal to 1, the drive waits for normal operations within 5 seconds, the drive fails the START STOP UNIT command. 12 Cheetah 15K.5 SAS Product Manual, Rev. 4.2.2 Format command execution time (minutes) Maximum (with verify) Maximum (without verify) ST3300655SS 120 60 ST3146855SS 90 45 ST373455SS 60 30...
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... wrap-around capability of DC power. The size of the cache: 1. The value 0XFFFF is always reported regardless of the actual size of logical blocks. Cheetah 15K.5 SAS Product Manual, Rev. E 13 Of the 16 Mbytes physical buffer space in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. See...
... wrap-around capability of DC power. The size of the cache: 1. The value 0XFFFF is always reported regardless of the actual size of logical blocks. Cheetah 15K.5 SAS Product Manual, Rev. E 13 Of the 16 Mbytes physical buffer space in accordance with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. See...
Cheetah 15K.5 SAS Product Manual
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... state of the operation; however, the drive does not overwrite data that a prefetch hit is set up or changed independently, having nothing to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. DRA bit = 0 enables prefetch. If there are, the respective cache segments are retrieved and stored in the cache to be...
... state of the operation; however, the drive does not overwrite data that a prefetch hit is set up or changed independently, having nothing to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. DRA bit = 0 enables prefetch. If there are, the respective cache segments are retrieved and stored in the cache to be...
Cheetah 15K.5 SAS Product Manual
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... are specified at less than 1 error in error per this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. This includes AWRE, ARRE, full read , and using read bits transferred for that block. Seek error rate: Read Error Rates1...
... are specified at less than 1 error in error per this manual (see Section 6.2). • Errors caused by the drive, and do not require user intervention. Cheetah 15K.5 SAS Product Manual, Rev. This includes AWRE, ARRE, full read , and using read bits transferred for that block. Seek error rate: Read Error Rates1...
Cheetah 15K.5 SAS Product Manual
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...a MTBF of the operating environment will provide adequate cooling to the receiver. A S.M.A.R.T. 5.1.3 Seek errors A seek error is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Continual or sustained operation at case temperatures above the values shown in the Sense Key. Short-term excursions ...up hours per year. • Operations at least nine months of Cheetah disc drives by drive malfunction. MTBF is based on the following assumptions: • 8,760 power-on hours per failure. Section ...
...a MTBF of the operating environment will provide adequate cooling to the receiver. A S.M.A.R.T. 5.1.3 Seek errors A seek error is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Continual or sustained operation at case temperatures above the values shown in the Sense Key. Short-term excursions ...up hours per year. • Operations at least nine months of Cheetah disc drives by drive malfunction. MTBF is based on the following assumptions: • 8,760 power-on hours per failure. Section ...
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.... attribute data is uninterruptable. The process of a failure to allow you to control when S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 Note. The operating mode of operation. To accomplish this, issue a Log Sense command to enable or disable the S.M.A.R.T. S.M.A.R.T. Setting...
.... attribute data is uninterruptable. The process of a failure to allow you to control when S.M.A.R.T. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. E 17 Note. The operating mode of operation. To accomplish this, issue a Log Sense command to enable or disable the S.M.A.R.T. S.M.A.R.T. Setting...