Product Manual
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© 1997, 1998 Seagate Technology, Inc. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trademarks or registered trademarks of its subsidiaries. or one of Seagate Technology, Inc. C August 1998 Seagate, Seagate Technology, and the Seagate logo are the property of Seagate Technology, Inc. All other trademarks or registered trademarks are registered trademarks of their respective owners. All rights...
© 1997, 1998 Seagate Technology, Inc. Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are either trademarks or registered trademarks of its subsidiaries. or one of Seagate Technology, Inc. C August 1998 Seagate, Seagate Technology, and the Seagate logo are the property of Seagate Technology, Inc. All other trademarks or registered trademarks are registered trademarks of their respective owners. All rights...
Product Manual
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... time between failure 14 5.2.2 Field failure rate vs time 14 5.2.3 Preventive maintenance 15 5.2.4 Service life 15 5.2.5 Service philosophy 15 5.2.6 Service tools 15 5.2.7 Hot plugging Cheetah 9LP disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Product warranty 17 6.0 Physical/electrical specifications 19 6.1 AC power requirements 19 6.2 DC power requirements 19 6.2.1 6.2.2 6.2.3 Conducted noise immunity 20 Power sequencing 20...
... time between failure 14 5.2.2 Field failure rate vs time 14 5.2.3 Preventive maintenance 15 5.2.4 Service life 15 5.2.5 Service philosophy 15 5.2.6 Service tools 15 5.2.7 Hot plugging Cheetah 9LP disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Product warranty 17 6.0 Physical/electrical specifications 19 6.1 AC power requirements 19 6.2 DC power requirements 19 6.2.1 6.2.2 6.2.3 Conducted noise immunity 20 Power sequencing 20...
Product Manual
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... Acoustics 26 6.4.7 Electromagnetic susceptibility 26 6.5 Mechanical specifications 27 7.0 Defect and error management 29 7.1 Drive internal defects 29 7.2 Drive error recovery procedures 29 7.3 SCSI systems errors 30 8.0 Installation 31 8.1 Drive ID/option select header 31 8.1.1 Notes for Figures 8, 9, and 10 34 8.1.2 Function description ...59 9.7.1 Multimode-SE and LVD alternatives 59 9.8 Terminator requirements 61 9.9 Terminator power 61 9.10 Disc drive SCSI timing 62 9.11 Drive activity LED 63 10.0 Seagate Technology support services 65 vi Cheetah 9LP Product Manual, Rev.
... Acoustics 26 6.4.7 Electromagnetic susceptibility 26 6.5 Mechanical specifications 27 7.0 Defect and error management 29 7.1 Drive internal defects 29 7.2 Drive error recovery procedures 29 7.3 SCSI systems errors 30 8.0 Installation 31 8.1 Drive ID/option select header 31 8.1.1 Notes for Figures 8, 9, and 10 34 8.1.2 Function description ...59 9.7.1 Multimode-SE and LVD alternatives 59 9.8 Terminator requirements 61 9.9 Terminator power 61 9.10 Disc drive SCSI timing 62 9.11 Drive activity LED 63 10.0 Seagate Technology support services 65 vi Cheetah 9LP Product Manual, Rev.
Product Manual
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...1. List of Figures Cheetah 9LP family drive (ST39102LW shown 1 Cheetah 9LP family drive 6 Typical Cheetah 9LP family drive +12 V current profile 21 Locations of PCBA components listed in Table 3 23 Recommended mounting 25 ST39102LW and ST34502LW mounting configuration dimensions 27 ST39102LC and ST34502LC mounting configuration...LW models only 33 J2 option select header 34 Air flow (suggested 36 ST39102LW and ST34502LW drive physical interface (68-pin J1 SCSI I/O connector) . . . . 49 ST39102LC and ST34502LC drive physical interface (80-pin J1 SCSI I/O connector) . . . . . 49 SCSI ...
...1. List of Figures Cheetah 9LP family drive (ST39102LW shown 1 Cheetah 9LP family drive 6 Typical Cheetah 9LP family drive +12 V current profile 21 Locations of PCBA components listed in Table 3 23 Recommended mounting 25 ST39102LW and ST34502LW mounting configuration dimensions 27 ST39102LC and ST34502LC mounting configuration...LW models only 33 J2 option select header 34 Air flow (suggested 36 ST39102LW and ST34502LW drive physical interface (68-pin J1 SCSI I/O connector) . . . . 49 ST39102LC and ST34502LC drive physical interface (80-pin J1 SCSI I/O connector) . . . . . 49 SCSI ...
Product Manual
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... in this product manual the reference to Cheetah 9LP models is referred to as "the drive" unless references to individual models are necessary. Figure 1. Cheetah 9LP family drive (ST39102LW shown) Cheetah 9LP™ disc drives. The SCSI Interface Product Manual (part number 77738479) describes general SCSI interface characteristics of Seagate drives. From this point on in this and...
... in this product manual the reference to Cheetah 9LP models is referred to as "the drive" unless references to individual models are necessary. Figure 1. Cheetah 9LP family drive (ST39102LW shown) Cheetah 9LP™ disc drives. The SCSI Interface Product Manual (part number 77738479) describes general SCSI interface characteristics of Seagate drives. From this point on in this and...
Product Manual
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... complies with applicable industry and governmental regulations. In particular, the drive must be used, with the shields grounded to the enclosure and to the system does not adversely affect the performance of Section 8.4. 2.1 Standards The Cheetah 9LP family complies with this Seagate model complies to the directives/standard(s), we cannot guarantee that equipment...
... complies with applicable industry and governmental regulations. In particular, the drive must be used, with the shields grounded to the enclosure and to the system does not adversely affect the performance of Section 8.4. 2.1 Standards The Cheetah 9LP family complies with this Seagate model complies to the directives/standard(s), we cannot guarantee that equipment...
Product Manual
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... Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Cheetah 9LP Installation Guide Seagate P/N 83329230 SCSI Interface Product Manual Seagate P/N 77738479 ANSI small computer system interface (SCSI) document numbers: X3.131-1994 SCSI-2... for 80-pin connector for SCSI disk drives Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N 30553-001 In case of conflict ...
... Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Cheetah 9LP Installation Guide Seagate P/N 83329230 SCSI Interface Product Manual Seagate P/N 77738479 ANSI small computer system interface (SCSI) document numbers: X3.131-1994 SCSI-2... for 80-pin connector for SCSI disk drives Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N 30553-001 In case of conflict ...
Product Manual
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...ST39102LW 12 Single-ended (SE) and low voltage 68 16 ST34502LW differential (LVD) ST39102LC 12 Single-ended (SE) and low voltage 80 16 ST34502LC differential (LVD) [1]...warranty. The drive supports the Small Computer System Interface (SCSI) as this and other families of I /O connector pins Number of Seagate SCSI drives. This exploded... including engineering workstations, network servers, mainframes, and supercomputers. Cheetah 9LP Product Manual, Rev. C 5 3.0 General description Cheetah 9LP drives combine magnetoresistive (MR) heads, partial response/maximum likelihood ...
...ST39102LW 12 Single-ended (SE) and low voltage 68 16 ST34502LW differential (LVD) ST39102LC 12 Single-ended (SE) and low voltage 80 16 ST34502LC differential (LVD) [1]...warranty. The drive supports the Small Computer System Interface (SCSI) as this and other families of I /O connector pins Number of Seagate SCSI drives. This exploded... including engineering workstations, network servers, mainframes, and supercomputers. Cheetah 9LP Product Manual, Rev. C 5 3.0 General description Cheetah 9LP drives combine magnetoresistive (MR) heads, partial response/maximum likelihood ...
Product Manual
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... diagnostics performed when power is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "LC" model drives • SCAM (SCSI Configured AutoMagically) plug-n-play level 2 compliant, factory set to level 1 3.2 Media characteristics The media ...; Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty C 7 3.1 Standard features The Cheetah 9LP family has the following standard features: • Integrated Ultra/Ultra2 SCSI controller • Multimode SCSI drivers and receivers-single...
... diagnostics performed when power is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "LC" model drives • SCAM (SCSI Configured AutoMagically) plug-n-play level 2 compliant, factory set to level 1 3.2 Media characteristics The media ...; Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 5-year warranty C 7 3.1 Standard features The Cheetah 9LP family has the following standard features: • Integrated Ultra/Ultra2 SCSI controller • Multimode SCSI drivers and receivers-single...
Product Manual
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...GB) [2] Unformatted 11.27 GB 5.63 GB Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities than the maximum number of LBAs changes the total drive capacity to have. Users planning single unit distribution should specify this option. • The Cheetah... is usually included with the drive a small bag of blocks field. H. Units shipped individually require additional protection as provided by the single unit shipping pack. A value greater than maximum. 8 Cheetah 9LP Product Manual, Rev. ...
...GB) [2] Unformatted 11.27 GB 5.63 GB Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted capacities than the maximum number of LBAs changes the total drive capacity to have. Users planning single unit distribution should specify this option. • The Cheetah... is usually included with the drive a small bag of blocks field. H. Units shipped individually require additional protection as provided by the single unit shipping pack. A value greater than maximum. 8 Cheetah 9LP Product Manual, Rev. ...
Product Manual
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...[2] Full Stroke - Refer to Section 9.10 and to all models of the Cheetah 9LP family unless otherwise specified. Typical [2] Single Track - Cheetah 9LP Product Manual, Rev. C 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) ST39102 ST34502 Drive capacity 9.10 Read/write heads 12 4.55 6 GByte (formatted, rounded off ...Interface Product Manual, part number 77738479, for additional timing details. 4.2.1 Access time [5] Average - Typical [2] Including controller overhead (without disconnect) [1] [3] Drive level Read msec 5.4 0.8
...[2] Full Stroke - Refer to Section 9.10 and to all models of the Cheetah 9LP family unless otherwise specified. Typical [2] Single Track - Cheetah 9LP Product Manual, Rev. C 9 4.0 Performance characteristics 4.1 Internal drive characteristics (transparent to user) ST39102 ST34502 Drive capacity 9.10 Read/write heads 12 4.55 6 GByte (formatted, rounded off ...Interface Product Manual, part number 77738479, for additional timing details. 4.2.1 Access time [5] Average - Typical [2] Including controller overhead (without disconnect) [1] [3] Drive level Read msec 5.4 0.8
Product Manual
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...horizontal orientation as measured on a track Yes Flaw reallocation performance impact (for flaws reallocated at nominal voltage has been applied, the drive becomes ready within 30 seconds typically (excluding an error recovery procedure). See SCSI Interface Product Manual, part However, in actual ...standpoint that each segment of bytes per sector. If n (number of the buffer. 10 Cheetah 9LP Product Manual, Rev. After the Motor Start Command has been received the drive becomes ready for Section 4.2. [1] Execution time measured from which data is detected during the ...
...horizontal orientation as measured on a track Yes Flaw reallocation performance impact (for flaws reallocated at nominal voltage has been applied, the drive becomes ready within 30 seconds typically (excluding an error recovery procedure). See SCSI Interface Product Manual, part However, in actual ...standpoint that each segment of bytes per sector. If n (number of the buffer. 10 Cheetah 9LP Product Manual, Rev. After the Motor Start Command has been received the drive becomes ready for Section 4.2. [1] Execution time measured from which data is detected during the ...
Product Manual
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Cheetah 9LP Product Manual, Rev. The following is initiated. The drive fetches the requested LBs from the disc and transfers them in the cache from 1 to one or more segments while the drive performs the write command. Default is three segments. 4.5.1 Caching write data Write caching is stored in one , the drive... to change unchangeable parameters (see if any integer number of segments from a previous read functions. On a cache hit the drive ignores the buffer-full ratio rules. See explanations associated with buffer-full ratio rules. A Read command is received and the ...
Cheetah 9LP Product Manual, Rev. The following is initiated. The drive fetches the requested LBs from the disc and transfers them in the cache from 1 to one or more segments while the drive performs the write command. Default is three segments. 4.5.1 Caching write data Write caching is stored in one , the drive... to change unchangeable parameters (see if any integer number of segments from a previous read functions. On a cache hit the drive ignores the buffer-full ratio rules. See explanations associated with buffer-full ratio rules. A Read command is received and the ...
Product Manual
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...long as a cache, finding the requested data in some buffer segment(s), the host can be used to force the drive to the medium. Prefetch is a prefetch hit, not a cache operation hit. Since data that a prefetch hit ... likely occur, even if two consecutive read operations request contiguous blocks of data (e.g. During a prefetch operation, the drive crosses a cylinder boundary to optimize system performance. ARLA disables prefetch when it decides that request those logical blocks (... using Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - 12 Cheetah 9LP Product Manual, Rev.
...long as a cache, finding the requested data in some buffer segment(s), the host can be used to force the drive to the medium. Prefetch is a prefetch hit, not a cache operation hit. Since data that a prefetch hit ... likely occur, even if two consecutive read operations request contiguous blocks of data (e.g. During a prefetch operation, the drive crosses a cylinder boundary to optimize system performance. ARLA disables prefetch when it decides that request those logical blocks (... using Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - 12 Cheetah 9LP Product Manual, Rev.
Product Manual
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Cheetah 9LP Product Manual, Rev. Refer to Section 3.2, "Media Characteristics." • Assume random data. 5.1.1 Environmental interference When evaluating systems operation under conditions of Electromagnetic Interference (EMI), the performance of an equipment malfunction in the drive, the error is classified as a failure affecting MTBF. If an unrecoverable write error occurs because of the drive...defined in this specification assume the following reliability specifications assume correct host/drive operational interface, including all flaws reallocated. 5.1 Error rates The ...
Cheetah 9LP Product Manual, Rev. Refer to Section 3.2, "Media Characteristics." • Assume random data. 5.1.1 Environmental interference When evaluating systems operation under conditions of Electromagnetic Interference (EMI), the performance of an equipment malfunction in the drive, the error is classified as a failure affecting MTBF. If an unrecoverable write error occurs because of the drive...defined in this specification assume the following reliability specifications assume correct host/drive operational interface, including all flaws reallocated. 5.1 Error rates The ...
Product Manual
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... in the period Estimated power-on hours. • Systems will provide adequate cooling to the specification limits of Cheetah 9LP disc drives by drive malfunction. Refer to enhance the service life of six months. Drive utilization will provide adequate cooling to an imminent failure and is considered an MTBF hit. 5.2.2 Field failure rate vs...
... in the period Estimated power-on hours. • Systems will provide adequate cooling to the specification limits of Cheetah 9LP disc drives by drive malfunction. Refer to enhance the service life of six months. Drive utilization will provide adequate cooling to an imminent failure and is considered an MTBF hit. 5.2.2 Field failure rate vs...
Product Manual
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...SE) drivers and the bus is the responsibility of PCBs in the drive. 5.2.7 Hot plugging Cheetah 9LP disc drives The ANSI SPI-2 (T10/1142D) document defines the physical requirements for the SCSI device being changed Seagate Cheetah 9LP disc drives support all four hot plugging cases. All I /O processes for ...because of five years. In order to achieve the above service life, repairs must come to a complete stop prior to the bus. Cheetah 9LP Product Manual, Rev. RST signal asserted continuously during removal or insertion Case 2 - Refer to hot plug. All SCSI devices on...
...SE) drivers and the bus is the responsibility of PCBs in the drive. 5.2.7 Hot plugging Cheetah 9LP disc drives The ANSI SPI-2 (T10/1142D) document defines the physical requirements for the SCSI device being changed Seagate Cheetah 9LP disc drives support all four hot plugging cases. All I /O processes for ...because of five years. In order to achieve the above service life, repairs must come to a complete stop prior to the bus. Cheetah 9LP Product Manual, Rev. RST signal asserted continuously during removal or insertion Case 2 - Refer to hot plug. All SCSI devices on...
Product Manual
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... -line functions. measures error rate, hence for a given attribute. Note. Each attribute has been selected to monitor a specific set , the drive is intended to log page 0x3E. Subject to the reporting method, the firmware will measure and save parameters once every two hours subject to the...the "Informational Exceptions Control Mode Page" (1Ch). This is referred to minimize "false" and "failed" predictions. will disable all S.M.A.R.T. 16 Cheetah 9LP Product Manual, Rev. The algorithm that S.M.A.R.T. When the PERF bit is controlled by the DEXCPT bit and the PERF bit of the...
... -line functions. measures error rate, hence for a given attribute. Note. Each attribute has been selected to monitor a specific set , the drive is intended to log page 0x3E. Subject to the reporting method, the firmware will measure and save parameters once every two hours subject to the...the "Informational Exceptions Control Mode Page" (1Ch). This is referred to minimize "false" and "failed" predictions. will disable all S.M.A.R.T. 16 Cheetah 9LP Product Manual, Rev. The algorithm that S.M.A.R.T. When the PERF bit is controlled by the DEXCPT bit and the PERF bit of the...
Product Manual
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... the applicable specifications will pay for transporting the repair or replacement item to Seagate's designated facility in transit. Seagate recommends shipping by the Seagate-approved package label. Cheetah 9LP Product Manual, Rev. This counter is unacceptable and decremented (not to service Seagate drives. Shipping a drive in handling computer equipment. Contact your original box. Product repair and return...
... the applicable specifications will pay for transporting the repair or replacement item to Seagate's designated facility in transit. Seagate recommends shipping by the Seagate-approved package label. Cheetah 9LP Product Manual, Rev. This counter is unacceptable and decremented (not to service Seagate drives. Shipping a drive in handling computer equipment. Contact your original box. Product repair and return...