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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... 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 16. Figure 20. Figure 12. Figure 19. Figure 22. Figure 26. input/output operations ... Figure 25. input/output operations per second 31 Location of Figures Figure 1. Figure 4. Figure 8. Figure 11. Figure 18. Figure 15. 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 ...
...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 16. Figure 20. Figure 12. Figure 19. Figure 22. Figure 26. input/output operations ... Figure 25. input/output operations per second 31 Location of Figures Figure 1. Figure 4. Figure 8. Figure 11. Figure 18. Figure 15. 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 ...
Cheetah 15K.5 SAS Product Manual
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Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. E 1 Figure 1.
Cheetah 15K.5 SAS disc drive Cheetah 15K.5 SAS Product Manual, Rev. 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives. The SAS Interface Manual (part number 100293071) describes the general SAS characteristics of Cheetah 15K.5 and other Seagate SAS drives. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. E 1 Figure 1.
Cheetah 15K.5 SAS Product Manual
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...for optimum performance and compliance with Seagate standards as noted in the same system as delivered, is capable of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of the drive. Cheetah 15K.5 SAS Product Manual, Rev. The Cheetah disc drive is a UL ...DC power requirements. It is the user's responsibility to assure that equipment operating in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. E 3 however, it is the responsibility of those integrating the drive within their systems ...
...for optimum performance and compliance with Seagate standards as noted in the same system as delivered, is capable of meeting the Class B limits of the FCC Rules and Regulations of the Canadian Department of the drive. Cheetah 15K.5 SAS Product Manual, Rev. The Cheetah disc drive is a UL ...DC power requirements. It is the user's responsibility to assure that equipment operating in the appropriate sections of this manual and the Seagate SAS Interface Manual, part number 100293071. E 3 however, it is the responsibility of those integrating the drive within their systems ...
Cheetah 15K.5 SAS Product Manual
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... the representations of our suppliers regarding the presence of any RoHS-regulated substance in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document...8226; Printer • External modem • Mouse Although the test system with this publication. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with Chinese National Standard (CNS) 13438 and meets the Electromagnetic Compatibility (EMC) Framework...
... the representations of our suppliers regarding the presence of any RoHS-regulated substance in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. Our supplier contracts require compliance with our chemical substance restrictions, and our suppliers document...8226; Printer • External modem • Mouse Although the test system with this publication. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with Chinese National Standard (CNS) 13438 and meets the Electromagnetic Compatibility (EMC) Framework...
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... ensure ongoing compliance with the RoHS Directive and 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 Serial Connector SFF-8460...
... ensure ongoing compliance with the RoHS Directive and 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 Serial Connector SFF-8460...
Cheetah 15K.5 SAS Product Manual
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...SATA), giving future users the choice of populating their systems with minimal power dissipation. The drive does not contain user-replaceable parts. Cheetah drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from movement during shipping...for a variety of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah 15K.5 SAS Product Manual, Rev. Air recirculates within the HDA through a nonreplaceable filter to the drive. This allows you to continue to ...
...SATA), giving future users the choice of populating their systems with minimal power dissipation. The drive does not contain user-replaceable parts. Cheetah drives use a high-performance actuator assembly with a low-inertia, balanced, patented, straight arm design that results from movement during shipping...for a variety of destroying or degrading data by landing in the sealed enclosure (heads, media, actuator, etc.) as this drive. Cheetah 15K.5 SAS Product Manual, Rev. Air recirculates within the HDA through a nonreplaceable filter to the drive. This allows you to continue to ...
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...) • Supports up to dynamically adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - E improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. Average latency = 2.0 msec • Background processing of 320 bits • No preventive maintenance or adjustments required • Dedicated head landing zone...
...) • Supports up to dynamically adjust segments for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128 - E improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. Average latency = 2.0 msec • Background processing of 320 bits • No preventive maintenance or adjustments required • Dedicated head landing zone...
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...capacity it ensures a stable operating point with backward and forward compatibility from generation to 512 bytes per block. Seagate designs specify capacity points at format time and must determine if the extra capacity potential is useful, or ...industry-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). To...
...capacity it ensures a stable operating point with backward and forward compatibility from generation to 512 bytes per block. Seagate designs specify capacity points at format time and must determine if the extra capacity potential is useful, or ...industry-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). To...
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...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. 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 order ...
...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. 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 order ...
Cheetah 15K.5 SAS Product Manual
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... operating 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 inch ...1607 960 to 1607 15k 15k 2.0 2.0 Gbytes (formatted, rounded off value)*,** Tracks (user accessible) TPI KBPI Gbits/inch2 Mbits/sec (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,...
... operating 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 inch ...1607 960 to 1607 15k 15k 2.0 2.0 Gbytes (formatted, rounded off value)*,** Tracks (user accessible) TPI KBPI Gbits/inch2 Mbits/sec (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,...
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... bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive 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. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through...
... bit and IMMED bit equal to 1 and does not receive a NOTIFY (ENABLE SPINUP) primitive 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. If the drive receives a NOTIFY (ENABLE SPINUP) primitive through...
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.... The value 0XFFFF is an integer number of the individual segments greatly enhances the cache's overall performance. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev.
.... The value 0XFFFF is an integer number of the individual segments greatly enhances the cache's overall performance. Sending a size specification using the Mode Select command; Cheetah 15K.5 SAS Product Manual, Rev.
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... blocks on the disc immediately beyond that which was written there at the beginning of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The Synchronize Cache command may return Good status on subsequent Read commands that was requested by the drive that makes use...
... blocks on the disc immediately beyond that which was written there at the beginning of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The Synchronize Cache command may return Good status on subsequent Read commands that was requested by the drive that makes use...
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... during a write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 error 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 10...
... during a write. 5.1.2 Unrecoverable Errors Unrecoverable Data Errors (Sense Key = 03h) are specified at less than 1 error 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 10...
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.... The error may be used to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Short-term excursions up hours per disc drive times the total number of disc drives in service. A S.M.A.R.T. MTBF is based on...
.... The error may be used to an imminent failure and is considered an MTBF hit. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance is required. 16 Cheetah 15K.5 SAS Product Manual, Rev. Short-term excursions up hours per disc drive times the total number of disc drives in service. A S.M.A.R.T. MTBF is based on...
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... a self test before attempting to determine the time remaining before an actual failure occurs. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. This technology is intended to recognize conditions that the next scheduled interrupt is set of failure conditions in the operating performance...
... a self test before attempting to determine the time remaining before an actual failure occurs. delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. This technology is intended to recognize conditions that the next scheduled interrupt is set of failure conditions in the operating performance...
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.... signals predictive failures when the drive is performing unacceptably for a period of errors for the current interval. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The first trip point is set at which is the maximum temperature limit according to as the...monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which would threaten the drive. 2. Subject to the reporting method, the firmware will issue to as the...
.... signals predictive failures when the drive is performing unacceptably for a period of errors for the current interval. You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The first trip point is set at which is the maximum temperature limit according to as the...monitors the drive temperature and issues a warning over the interface when the temperature exceeds a set thresholds for each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which would threaten the drive. 2. Subject to the reporting method, the firmware will issue to as the...