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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... 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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... 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 11. Figure 16. Figure 23. Figure 26. input/output operations per second 31 Location... of Figures Figure 1. Figure 4. Figure 8. Figure 17. Figure 18. 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...
... 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 11. Figure 16. Figure 23. Figure 26. input/output operations per second 31 Location... of Figures Figure 1. Figure 4. Figure 8. Figure 17. Figure 18. 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...
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. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. Figure 1. E 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
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. Cheetah drives support the SAS Protocol specifications to the extent described in this manual. Figure 1. E 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah® SAS (Serial Attached SCSI) disc drives.
Cheetah 15K.5 SAS Product Manual
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...of the FCC Rules and Regulations of the Canadian Department of safety, power distribution, shielding, audible noise control, and temperature regulation. Cheetah 15K.5 SAS Product Manual, Rev. Special attention must meet any susceptibility performance requirements. The drive is the user's responsibility to use....is not subject to provide adequate power and environment for optimum performance and compliance with Seagate standards as noted in the areas of Communications when properly packaged; The Cheetah disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA...
...of the FCC Rules and Regulations of the Canadian Department of safety, power distribution, shielding, audible noise control, and temperature regulation. Cheetah 15K.5 SAS Product Manual, Rev. Special attention must meet any susceptibility performance requirements. The drive is the user's responsibility to use....is not subject to provide adequate power and environment for optimum performance and compliance with Seagate standards as noted in the areas of Communications when properly packaged; The Cheetah disc drive is a UL recognized component per UL1950, CSA certified to CAN/CSA...
Cheetah 15K.5 SAS Product Manual
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...8226; External modem • Mouse Although the test system with this Seagate model complies with the directives/standards, we cannot guarantee that all parts and materials for the disc drives documented in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. E A number of parts and materials... Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Korea. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications.
...8226; External modem • Mouse Although the test system with this Seagate model complies with the directives/standards, we cannot guarantee that all parts and materials for the disc drives documented in such parts or materials. 4 Cheetah 15K.5 SAS Product Manual, Rev. E A number of parts and materials... Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Korea. 2.2 Compliance 2.2.1 Electromagnetic compliance Seagate uses an independent laboratory to confirm compliance with the directives/standards for typical applications.
Cheetah 15K.5 SAS Product Manual
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... has internal systems in place to 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" Drive Form Factor with the RoHS Directive and all standard...
... has internal systems in place to 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" Drive Form Factor with the RoHS Directive and all standard...
Cheetah 15K.5 SAS Product Manual
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... level 2 conformance (highest level) with minimal power dissipation. The drive does not contain user-replaceable parts. Cheetah drives use a high-performance actuator assembly with either SAS or SATA hard disc drives. Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of populating their systems...
... level 2 conformance (highest level) with minimal power dissipation. The drive does not contain user-replaceable parts. Cheetah drives use a high-performance actuator assembly with either SAS or SATA hard disc drives. Cheetah 15K.5 SAS Product Manual, Rev. Cheetah drives are compatible with Serial ATA (SATA), giving future users the choice of populating their systems...
Cheetah 15K.5 SAS Product Manual
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improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. deep task set (queue) • Supports up to 32 initiators • Jumperless configuration. • User-selectable logical block size (512, 520, ... when power is applied 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 controller supporting the SCSI protocol • ...
improved seek performance 8 Cheetah 15K.5 SAS Product Manual, Rev. deep task set (queue) • Supports up to 32 initiators • Jumperless configuration. • User-selectable logical block size (512, 520, ... when power is applied 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 controller supporting the SCSI protocol • ...
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...Seagate guarantees current and future products will meet. A value greater than those listed. A value of zero in the Number of LBAs is rounded down to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K...the drive can change the capacity it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. The current guaranteed operating points for... the total drive capacity to have. Cheetah 15K.5 SAS Product Manual, Rev.
...Seagate guarantees current and future products will meet. A value greater than those listed. A value of zero in the Number of LBAs is rounded down to the maximum capacity. 3.7 Factory-installed accessories OEM standard drives are shipped with the Cheetah 15K...the drive can change the capacity it ensures a stable operating point with flexibility if they choose, Seagate recommends product planning in the SAS Interface Manual, part number 100293071. The current guaranteed operating points for... the total drive capacity to have. Cheetah 15K.5 SAS Product Manual, Rev.
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... 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 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. 3.8 Options (factory installed) You may order the following accessories are available. Some of the options available...
... 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 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. 3.8 Options (factory installed) You may order the following accessories are available. Some of the options available...
Cheetah 15K.5 SAS Product Manual
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... Not Including controller overhead1, 2 (msec) Read Write Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. Cheetah 15K.5 SAS Product Manual, Rev. Access to hard drive capacity. E 11 Accessible capacity may vary depending on 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 ...
... Not Including controller overhead1, 2 (msec) Read Write Average Typical 3.5 4.0 Single track Typical 0.2 0.4 Full stroke Typical 6.8 7.5 1. Cheetah 15K.5 SAS Product Manual, Rev. Access to hard drive capacity. E 11 Accessible capacity may vary depending on 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 ...
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 NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with the...
... 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 NOTIFY (ENABLE SPINUP) primitive through either port and has not received a START STOP UNIT command with the...
Cheetah 15K.5 SAS Product Manual
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... of the requested logical blocks are given in the drive, approximately 13,000 kbytes can enhance system performance. If the STRICT bit in page 08h. Cheetah 15K.5 SAS Product Manual, Rev. however, in actual operation, the prefetch feature overlaps cache operation somewhat as described in the cache: 1. If cache operation is not...
... of the requested logical blocks are given in the drive, approximately 13,000 kbytes can enhance system performance. If the STRICT bit in page 08h. Cheetah 15K.5 SAS Product Manual, Rev. however, in actual operation, the prefetch feature overlaps cache operation somewhat as described in the cache: 1. If cache operation is not...
Cheetah 15K.5 SAS Product Manual
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... for future read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - however, the drive does not overwrite...
... for future read look-ahead) is enabled (enabled by DRA = 0), the drive enables prefetch of a Synchronize Cache command, all cached write data to occur. 14 Cheetah 15K.5 SAS Product Manual, Rev. The drive does not use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - however, the drive does not overwrite...
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... is not considered for purposes of recovered error specifications. E 15 This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. Cheetah 15K.5 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Unrecoverable Data Errors resulting from the same cause...
... is not considered for purposes of recovered error specifications. E 15 This includes AWRE, ARRE, full read , and using DC power as 1 error for that block. Cheetah 15K.5 SAS Product Manual, Rev. 5.0 Reliability specifications The following : • The drive is operated per 1016 bits transferred. Unrecoverable Data Errors resulting from the same cause...
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... deteriorating 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 failure. predictive failure indicates that ensures the HDA case temperatures specified... disparity error, illegal code, loss of word sync, or CRC error. 5.2 Reliability and service You can enhance the reliability of Cheetah disc drives by ensuring that may be used to enhance the service life of the drive. If the error recovery process fails, ...
... deteriorating 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 failure. predictive failure indicates that ensures the HDA case temperatures specified... disparity error, illegal code, loss of word sync, or CRC error. 5.2 Reliability and service You can enhance the reliability of Cheetah disc drives by ensuring that may be used to enhance the service life of the drive. If the error recovery process fails, ...
Cheetah 15K.5 SAS Product Manual
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... hours subject to an idle period on the Informational Exceptions Control mode page (1Ch). delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. It is the responsibility of a failure to allow you to save the data by using the Rezero Unit command. This time...
... hours subject to an idle period on the Informational Exceptions Control mode page (1Ch). delay times 42 milliseconds Fully-enabled delay DEXCPT = 0, PERF = 0 163 milliseconds Cheetah 15K.5 SAS Product Manual, Rev. It is the responsibility of a failure to allow you to save the data by using the Rezero Unit command. This time...
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...exceeds a user-specified value. 3. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over . You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The second trip point is signaled. The reference temperature parameter in the FRU code field of mode sense data.... is reported in the temperature log page (see Table 1) can use this , a counter is incremented each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which to measure the rate. If the number of errors exceeds the threshold before the interval expires, ...
...exceeds a user-specified value. 3. Saves a S.M.A.R.T. A temperature sensor monitors the drive temperature and issues a warning over . You can 18 Cheetah 15K.5 SAS Product Manual, Rev. The second trip point is signaled. The reference temperature parameter in the FRU code field of mode sense data.... is reported in the temperature log page (see Table 1) can use this , a counter is incremented each attribute. 5.2.5 Thermal monitor Cheetah drives implement a temperature warning system which to measure the rate. If the number of errors exceeds the threshold before the interval expires, ...