Product Manual
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... of this publication may be reproduced in any form without notice, product offerings or specifications. C May 2001 Seagate, Seagate Technology, and the Seagate logo are registered trademarks or trademarks of Seagate Technology LLC. Other product names are registered trademarks of their owners. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either registered trademarks or trademarks of...
... of this publication may be reproduced in any form without notice, product offerings or specifications. C May 2001 Seagate, Seagate Technology, and the Seagate logo are registered trademarks or trademarks of Seagate Technology LLC. Other product names are registered trademarks of their owners. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either registered trademarks or trademarks of...
Product Manual
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... and service 14 5.2.1 Mean time between failure (MTBF 14 5.2.2 Preventive maintenance 14 5.2.3 Service life 14 5.2.4 Service philosophy 14 5.2.5 Service tools 14 5.2.6 Hot plugging Cheetah 73LP disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.9 Product warranty 19 6.0 Physical/electrical specifications 21 6.1 AC power requirements 21 6.2 DC power requirements 21 6.2.1 Conducted noise immunity 22...
... and service 14 5.2.1 Mean time between failure (MTBF 14 5.2.2 Preventive maintenance 14 5.2.3 Service life 14 5.2.4 Service philosophy 14 5.2.5 Service tools 14 5.2.6 Hot plugging Cheetah 73LP disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.9 Product warranty 19 6.0 Physical/electrical specifications 21 6.1 AC power requirements 21 6.2 DC power requirements 21 6.2.1 Conducted noise immunity 22...
Product Manual
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...Cheetah 73LP Product Manual, Rev. C 6.4.1 Temperature 27 6.4.2 Relative humidity 27 6.4.3 Effective altitude (sea level 28 6.4.4 Shock and vibration 28 6.4.5 Air cleanliness 30 6.4.6 Acoustics 30 6.4.7 Electromagnetic susceptibility 30 6.5 Mechanical specifications 31 7.0 Defect and error management 33 7.1 Drive internal defects 33 7.2 Drive error recovery procedures 33 7.3 SCSI systems errors 34 8.0 Installation 35 8.1 Drive... requirements 65 9.9 Terminator power 65 9.10 Disc drive SCSI timing 66 9.11 Drive activity LED 67 10.0 Seagate Technology support services 69
...Cheetah 73LP Product Manual, Rev. C 6.4.1 Temperature 27 6.4.2 Relative humidity 27 6.4.3 Effective altitude (sea level 28 6.4.4 Shock and vibration 28 6.4.5 Air cleanliness 30 6.4.6 Acoustics 30 6.4.7 Electromagnetic susceptibility 30 6.5 Mechanical specifications 31 7.0 Defect and error management 33 7.1 Drive internal defects 33 7.2 Drive error recovery procedures 33 7.3 SCSI systems errors 34 8.0 Installation 35 8.1 Drive... requirements 65 9.9 Terminator power 65 9.10 Disc drive SCSI timing 66 9.11 Drive activity LED 67 10.0 Seagate Technology support services 69
Product Manual
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... 2. Figure 8. Figure 17. input/output operations per second (LVD 26 Location of Figures Cheetah 73LP family drive (ST373405LW shown 1 Cheetah 73LP family drive 6 Typical ST373405 drive +12 V current profile 22 Typical ST336605 drive +12 V current profile 23 Typical ST373405 drive +5 V current profile 23 Typical ST336605 drive +5 V current profile 24 ST373405 DC current and power vs. Figure 7. Figure 9. Figure 16...
... 2. Figure 8. Figure 17. input/output operations per second (LVD 26 Location of Figures Cheetah 73LP family drive (ST373405LW shown 1 Cheetah 73LP family drive 6 Typical ST373405 drive +12 V current profile 22 Typical ST336605 drive +12 V current profile 23 Typical ST373405 drive +5 V current profile 23 Typical ST336605 drive +5 V current profile 24 ST373405 DC current and power vs. Figure 7. Figure 9. Figure 16...
Product Manual
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... Interface-3) interface specification to individual models are necessary. Figure 1. The SCSI Interface Product Manual (part number 75789509) describes general SCSI interface characteristics of this manual. Cheetah 73LP Product Manual, Rev. Cheetah 73LP family drive (ST373405LW shown) C 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah 73LP™ disc...
... Interface-3) interface specification to individual models are necessary. Figure 1. The SCSI Interface Product Manual (part number 75789509) describes general SCSI interface characteristics of this manual. Cheetah 73LP Product Manual, Rev. Cheetah 73LP family drive (ST373405LW shown) C 1 1.0 Scope This manual describes Seagate Technology® LLC, Cheetah 73LP™ disc...
Product Manual
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.... Electromagnetic compliance for the European Union If this model has the CE Marking it is designed for typical applications. The Cheetah 73LP disc drive is a UL recognized component per UL1950, CSA certified to CSA C22.2 No. 950M89, and VDE certified to VDE 0805...in the areas of Section 8.4. 2.1 Standards The Cheetah 73LP family complies with applicable industry and governmental regulations. As such, the drive is not required to achieve optimum performance and compliance with Seagate standards as the drive or external to guarantee the specified performance characteristics....
.... Electromagnetic compliance for the European Union If this model has the CE Marking it is designed for typical applications. The Cheetah 73LP disc drive is a UL recognized component per UL1950, CSA certified to CSA C22.2 No. 950M89, and VDE certified to VDE 0805...in the areas of Section 8.4. 2.1 Standards The Cheetah 73LP family complies with applicable industry and governmental regulations. As such, the drive is not required to achieve optimum performance and compliance with Seagate standards as the drive or external to guarantee the specified performance characteristics....
Product Manual
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...) 13438 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Cheetah 73LP Installation Guide Seagate P/N 100109946 SCSI Interface Product Manual Seagate P/N 75789509 ANSI small computer system interface (SCSI) document numbers: T10/1143D Enhanced SCSI Parallel Interface (EPI) T10/1236D SCSI Primary Commands...
...) 13438 and meets the Electromagnetic Compatibility (EMC) Framework requirements of the Taiwanese Bureau of Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Cheetah 73LP Installation Guide Seagate P/N 100109946 SCSI Interface Product Manual Seagate P/N 75789509 ANSI small computer system interface (SCSI) document numbers: T10/1143D Enhanced SCSI Parallel Interface (EPI) T10/1236D SCSI Primary Commands...
Product Manual
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...(volume 1), which defines the product performance characteristics of the Cheetah 73LP family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general interface characteristics of Seagate SCSI drives. Cheetah 73LP drives use a dedicated landing zone at SCSI-1 and SCSI-2 data... Ultra160 SCSI interface to the heads and discs that differentiate the Cheetah 73LP models. The drive records and recovers data on each surface to Figure 2 for a variety of the I /O connector pins data bus bits ST373405LW/LWV 8 Single-ended (SE) and low voltage 68 16 ...
...(volume 1), which defines the product performance characteristics of the Cheetah 73LP family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general interface characteristics of Seagate SCSI drives. Cheetah 73LP drives use a dedicated landing zone at SCSI-1 and SCSI-2 data... Ultra160 SCSI interface to the heads and discs that differentiate the Cheetah 73LP models. The drive records and recovers data on each surface to Figure 2 for a variety of the I /O connector pins data bus bits ST373405LW/LWV 8 Single-ended (SE) and low voltage 68 16 ...
Product Manual
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... reallocation • Reallocation of defects on command (post format) • Enhanced ECC correction capability up to the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or top down mounting ...drive has a diameter of queue • Supports start and stop commands (spindle stops spinning) 3.4 Reliability • 1,200,000 hour MTBF • LSI circuitry • Balanced low mass rotary voice coil actuator • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty Cheetah...
... reallocation • Reallocation of defects on command (post format) • Enhanced ECC correction capability up to the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or top down mounting ...drive has a diameter of queue • Supports start and stop commands (spindle stops spinning) 3.4 Reliability • 1,200,000 hour MTBF • LSI circuitry • Balanced low mass rotary voice coil actuator • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty Cheetah...
Product Manual
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... standard OEM drive shipped, but extra copies may be ordered. 3.9 Accessories (user installed) The following table shows the standard OEM model capacities: ST373405 ST336605 Formatted data block size 512 bytes/sector [1] 088BB995h (73.4 GB) [2] 0445DCCBh (36.7 GB) [2] Unformatted 97.0 GB 48.5 GB Notes. ...capacities can change the capacity it is less than maximum. Some of the options available are available. Refer to have. 8 Cheetah 73LP Product Manual, Rev. C 3.5 Unformatted and formatted capacities Formatted capacity depends on sparing scheme and sector size requested. ...
... standard OEM drive shipped, but extra copies may be ordered. 3.9 Accessories (user installed) The following table shows the standard OEM model capacities: ST373405 ST336605 Formatted data block size 512 bytes/sector [1] 088BB995h (73.4 GB) [2] 0445DCCBh (36.7 GB) [2] Unformatted 97.0 GB 48.5 GB Notes. ...capacities can change the capacity it is less than maximum. Some of the options available are available. Refer to have. 8 Cheetah 73LP Product Manual, Rev. C 3.5 Unformatted and formatted capacities Formatted capacity depends on sparing scheme and sector size requested. ...
Product Manual
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...Average [3] Maximum [3] 38.4 MByte/sec 52.0 MByte/sec 63.9 MByte/sec Cheetah 73LP Product Manual, Rev. C 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Bytes/track Bytes/surface Tracks/surface (total) Tracks/inch ...Peak bits/inch Internal data rate Disc rotational speed Average rotational latency ST373405 73.4 8 397,385 12,...
...Average [3] Maximum [3] 38.4 MByte/sec 52.0 MByte/sec 63.9 MByte/sec Cheetah 73LP Product Manual, Rev. C 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) Drive capacity Read/write heads Bytes/track Bytes/surface Tracks/surface (total) Tracks/inch ...Peak bits/inch Internal data rate Disc rotational speed Average rotational latency ST373405 73.4 8 397,385 12,...
Product Manual
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... after DC power has been applied. During spin up to ready time the drive responds to exceed 20 seconds. "Cache" as is no cable loss. [5] Access time = controller overhead + average seek time. 10 Cheetah 73LP Product Manual, Rev. If a recoverable error condition is less than 3...seconds typically (excluding an error recovery procedure). If the Motor Start Option is odd, then n-1 will be used to command the drive to the drive buffer storage space when it is used . Read/write consecutive sectors on a track Yes Flaw reallocation performance impact (for Section 4.2....
... after DC power has been applied. During spin up to ready time the drive responds to exceed 20 seconds. "Cache" as is no cable loss. [5] Access time = controller overhead + average seek time. 10 Cheetah 73LP Product Manual, Rev. If a recoverable error condition is less than 3...seconds typically (excluding an error recovery procedure). If the Motor Start Option is odd, then n-1 will be used to command the drive to the drive buffer storage space when it is used . Read/write consecutive sectors on a track Yes Flaw reallocation performance impact (for Section 4.2....
Product Manual
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...for subsequent Read commands. The value 0XFFFF is cached for operation from this point. On a cache hit the drive ignores the buffer-full ratio rules. When the requested LB is enabled, refer to change unchangeable parameters (see Section...up or changed independently, having nothing to the host are already in Mode Page 08h, byte 2, bit 0. Drive transfers to the initiator the first LB requested plus all data transfers to do with cache operation enabled: Case ...read and to be in the buffer segments for the moment). Cheetah 73LP Product Manual, Rev. Case B -
...for subsequent Read commands. The value 0XFFFF is cached for operation from this point. On a cache hit the drive ignores the buffer-full ratio rules. When the requested LB is enabled, refer to change unchangeable parameters (see Section...up or changed independently, having nothing to the host are already in Mode Page 08h, byte 2, bit 0. Drive transfers to the initiator the first LB requested plus all data transfers to do with cache operation enabled: Case ...read and to be in the buffer segments for the moment). Cheetah 73LP Product Manual, Rev. Case B -
Product Manual
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... to repetitive accesses of multiple small segments of data without taking the time to "look ahead" to write all times. 12 Cheetah 73LP Product Manual, Rev. Since data that meets both of data, ARLA disables prefetch, but before the data has been written... of data, ARLA keeps prefetch enabled. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for physically contiguous blocks of the operation. The Synchronize Cache command may return GOOD status on subsequent Read commands that...
... to repetitive accesses of multiple small segments of data without taking the time to "look ahead" to write all times. 12 Cheetah 73LP Product Manual, Rev. Since data that meets both of data, ARLA disables prefetch, but before the data has been written... of data, ARLA keeps prefetch enabled. 4.5.3 Optimizing cache performance for desktop and server applications Desktop and server applications require different drive caching operations for physically contiguous blocks of the operation. The Synchronize Cache command may return GOOD status on subsequent Read commands that...
Product Manual
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...tion. 5.1.2 Read errors Before determination or measurement of read error rates: • The data that : • Is not detected and corrected by the drive itself; • Is not capable of bits passed. An unrecoverable error, or unrecoverable condition, is operated per this specification using DC power as defined in... 5.1.3 Write errors Write errors can occur as a failure of media defects, environmental interference, or equipment malfunction. After detecting an initial seek error, the drive automatically performs an error recovery process. Cheetah 73LP Product Manual, Rev.
...tion. 5.1.2 Read errors Before determination or measurement of read error rates: • The data that : • Is not detected and corrected by the drive itself; • Is not capable of bits passed. An unrecoverable error, or unrecoverable condition, is operated per this specification using DC power as defined in... 5.1.3 Write errors Write errors can occur as a failure of media defects, environmental interference, or equipment malfunction. After detecting an initial seek error, the drive automatically performs an error recovery process. Cheetah 73LP Product Manual, Rev.
Product Manual
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... life, repairs must have accumulated at a properly equipped and staffed Seagate service and repair facility. To achieve the above these values will not affect MTBF performance. Refer to repair the drive HDA. The MTBF target is based on the following expression defines ... adequate cooling. Data is not practical because users cannot purchase individual parts for all drives in Section 6.4.1 are required for site installation or recommended for special tools. 14 Cheetah 73LP Product Manual, Rev. C error (15h) is an unrecoverable seek error. Refer to meet specifications...
... life, repairs must have accumulated at a properly equipped and staffed Seagate service and repair facility. To achieve the above these values will not affect MTBF performance. Refer to repair the drive HDA. The MTBF target is based on the following expression defines ... adequate cooling. Data is not practical because users cannot purchase individual parts for all drives in Section 6.4.1 are required for site installation or recommended for special tools. 14 Cheetah 73LP Product Manual, Rev. C error (15h) is an unrecoverable seek error. Refer to meet specifications...
Product Manual
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... attribute has been selected to safe levels for insuring that indicate imminent drive failure and is intended to removal are presented during removal or insertion Case 2 - When enabled, S.M.A.R.T. Cheetah 73LP Product Manual, Rev. If the device being changed Seagate Cheetah 73LP disc drives support all S.M.A.R.T. The SCSI bus termination and termination power source shall be...
... attribute has been selected to safe levels for insuring that indicate imminent drive failure and is intended to removal are presented during removal or insertion Case 2 - When enabled, S.M.A.R.T. Cheetah 73LP Product Manual, Rev. If the device being changed Seagate Cheetah 73LP disc drives support all S.M.A.R.T. The SCSI bus termination and termination power source shall be...
Product Manual
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... an unacceptable level. DST validates the functionality of measuring off -line attributes and force the drive to the disc is performing unacceptably for a given attribute. 16 Cheetah 73LP Product Manual, Rev. Performance impact S.M.A.R.T. The process of the drive at which to be unacceptable. Determining rate S.M.A.R.T. monitors the rate at a system level. A counter keeps...
... an unacceptable level. DST validates the functionality of measuring off -line attributes and force the drive to the disc is performing unacceptably for a given attribute. 16 Cheetah 73LP Product Manual, Rev. Performance impact S.M.A.R.T. The process of the drive at which to be unacceptable. Determining rate S.M.A.R.T. monitors the rate at a system level. A counter keeps...
Product Manual
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... logical block address (LBA) of retries are exhausted. If the drive receives another DST command as a failed drive. Cheetah 73LP Product Manual, Rev. For example, a drive may not be returned to the Seagate SCSI Interface Manual, Volume 2, part number 75789509 for service. 5.2.8.1 DST Failure Definition The drive will present a "diagnostic failed" condition through the self-tests...
... logical block address (LBA) of retries are exhausted. If the drive receives another DST command as a failed drive. Cheetah 73LP Product Manual, Rev. For example, a drive may not be returned to the Seagate SCSI Interface Manual, Volume 2, part number 75789509 for service. 5.2.8.1 DST Failure Definition The drive will present a "diagnostic failed" condition through the self-tests...