Product Manual
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... 49. 38-40 and 51-54. Notice. If you need the SCSI interface information, order the SCSI Interface Product Manual, Volume 2, part number 75789509. Newman/B. Schweiss/B. C Rev. F Rev. Product Manual 75789506 is Volume 1 of a two-volume document with the SCSI interface information in the SCSI Interface Product... Manual, Volume 2, part number 75789509. D Rev. Schweiss/B. Schweiss/B. Schweiss/B. B Rev. E Rev. Reynolds K. Reynolds K. Schweiss/B. Reynolds K. G ...
... 49. 38-40 and 51-54. Notice. If you need the SCSI interface information, order the SCSI Interface Product Manual, Volume 2, part number 75789509. Newman/B. Schweiss/B. C Rev. F Rev. Product Manual 75789506 is Volume 1 of a two-volume document with the SCSI interface information in the SCSI Interface Product... Manual, Volume 2, part number 75789509. D Rev. Schweiss/B. Schweiss/B. Schweiss/B. B Rev. E Rev. Reynolds K. Reynolds K. Schweiss/B. Reynolds K. G ...
Product Manual
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Cheetah 18XL Product Manual, Rev. G v Table of Contents 1.0 Scope 1 2.0 Applicable standards and reference documentation 3 2.1 Standards 3 2.1.1 Electromagnetic compatibility 3 2.1.2 Electromagnetic susceptibility 3 2.2 Electromagnetic compliance 3 2.3 Reference documents 4 3.0 General description 5 3.1 Standard features 7 3.2 Media characteristics 7 3.3 Performance 7 3.4 Reliability 7 3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 4.0 Performance characteristics 9 4.1 ...
Cheetah 18XL Product Manual, Rev. G v Table of Contents 1.0 Scope 1 2.0 Applicable standards and reference documentation 3 2.1 Standards 3 2.1.1 Electromagnetic compatibility 3 2.1.2 Electromagnetic susceptibility 3 2.2 Electromagnetic compliance 3 2.3 Reference documents 4 3.0 General description 5 3.1 Standard features 7 3.2 Media characteristics 7 3.3 Performance 7 3.4 Reliability 7 3.5 Unformatted and formatted capacities 8 3.6 Programmable drive capacity 8 3.7 Factory installed accessories 8 3.8 Options (factory installed 8 4.0 Performance characteristics 9 4.1 ...
Product Manual
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...Cheetah 18XL Product Manual, Rev. G 6.4.2 Relative humidity 28 6.4.3 Effective altitude (sea level 28 6.4.4 Shock and vibration 29 6.4.5 Air cleanliness 31 6.4.6 Acoustics 31 6.4.7 Electromagnetic susceptibility 31 6.5 Mechanical specifications 32 7.0 Defect and error management 35 7.1 Drive internal defects 35 7.2 Drive error recovery procedures 35 7.3 SCSI systems errors 36 8.0 Installation 37 8.1 Drive... 67 9.8 Terminator requirements 69 9.9 Terminator power 69 9.10 Disc drive SCSI timing 70 9.11 Drive activity LED 71 10.0 Seagate Technology support services 73
...Cheetah 18XL Product Manual, Rev. G 6.4.2 Relative humidity 28 6.4.3 Effective altitude (sea level 28 6.4.4 Shock and vibration 29 6.4.5 Air cleanliness 31 6.4.6 Acoustics 31 6.4.7 Electromagnetic susceptibility 31 6.5 Mechanical specifications 32 7.0 Defect and error management 35 7.1 Drive internal defects 35 7.2 Drive error recovery procedures 35 7.3 SCSI systems errors 36 8.0 Installation 37 8.1 Drive... 67 9.8 Terminator requirements 69 9.9 Terminator power 69 9.10 Disc drive SCSI timing 70 9.11 Drive activity LED 71 10.0 Seagate Technology support services 73
Product Manual
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... per second (LVD 26 Locations of Figures Cheetah 18XL family drive (ST318404LC shown 1 Cheetah 18XL family drive 6 Typical ST318404 drive +12 V current profile 23 Typical ST39204 drive +12 V current profile 23 Typical ST318404 drive +5 V current profile 24 TypicalST39204 drive +5 V current profile 24 ST318404 DC current and power vs. Figure 22. Cheetah 18XL Product Manual, Rev. Figure 17. Figure 25. Figure...
... per second (LVD 26 Locations of Figures Cheetah 18XL family drive (ST318404LC shown 1 Cheetah 18XL family drive 6 Typical ST318404 drive +12 V current profile 23 Typical ST39204 drive +12 V current profile 23 Typical ST318404 drive +5 V current profile 24 TypicalST39204 drive +5 V current profile 24 ST318404 DC current and power vs. Figure 22. Cheetah 18XL Product Manual, Rev. Figure 17. Figure 25. Figure...
Product Manual
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... specifications to individual models are necessary. Cheetah 18XL drives support the Small Computer System Interface (SCSI) as "the drive" unless references to the extent described in Section 2.3. The SCSI Interface Product Manual, part number 75789509, describes general SCSI interface characteristics of Seagate drives. Figure 1. Cheetah 18XL Product Manual, Rev. G 1 1.0 Scope This manual describes Seagate Technology® LLC Cheetah 18XL™ disc...
... specifications to individual models are necessary. Cheetah 18XL drives support the Small Computer System Interface (SCSI) as "the drive" unless references to the extent described in Section 2.3. The SCSI Interface Product Manual, part number 75789509, describes general SCSI interface characteristics of Seagate drives. Figure 1. Cheetah 18XL Product Manual, Rev. G 1 1.0 Scope This manual describes Seagate Technology® LLC Cheetah 18XL™ disc...
Product Manual
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...Cheetah 18XL Product Manual, Rev. The design characteristics of the drive serve to minimize radiation when installed in order to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this Manual and the Seagate SCSI Interface Product Manual..., part number 75789509. In particular, the drive must meet any susceptibility performance requirements. The selected system represents the...
...Cheetah 18XL Product Manual, Rev. The design characteristics of the drive serve to minimize radiation when installed in order to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this Manual and the Seagate SCSI Interface Product Manual..., part number 75789509. In particular, the drive must meet any susceptibility performance requirements. The selected system represents the...
Product Manual
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...BSMI). 2.3 Reference documents Cheetah 18XL Installation Guide Seagate P/N 75789507 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ANSI..., ST39204LC, ST39204LW • Certificate number: E-H011-00-5479 (B), E-H011-00-5478 (B), E-H011-00-5477 (B), E-H011-00-5476 (B) • Trade name or applicant: Seagate Technology... International • Manufacturing start date: February 2000 • Manufacturer/nationality: Singapore Taiwanese BSMI If this document takes precedence. This drive has...
...BSMI). 2.3 Reference documents Cheetah 18XL Installation Guide Seagate P/N 75789507 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ANSI..., ST39204LC, ST39204LW • Certificate number: E-H011-00-5479 (B), E-H011-00-5478 (B), E-H011-00-5477 (B), E-H011-00-5476 (B) • Trade name or applicant: Seagate Technology... International • Manufacturing start date: February 2000 • Manufacturer/nationality: Singapore Taiwanese BSMI If this document takes precedence. This drive has...
Product Manual
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...compatible with the required hardware requirements of the I /O Data buffer connector pins data bus bits size (MB) ST318404LW 6 ST318404LC 6 ST39204LW 3 ST39204LC 3 Single-ended (SE) and low 68 voltage differential (LVD) Single-ended (SE) and low 80 voltage differential (LVD) Single-ended (...when power is for an exploded view of Seagate SCSI drives. Refer to the extent described in this manual (Volume 1), which defines the product performance characteristics of the Cheetah 18XL family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general...
...compatible with the required hardware requirements of the I /O Data buffer connector pins data bus bits size (MB) ST318404LW 6 ST318404LC 6 ST39204LW 3 ST39204LC 3 Single-ended (SE) and low 68 voltage differential (LVD) Single-ended (SE) and low 80 voltage differential (LVD) Single-ended (...when power is for an exploded view of Seagate SCSI drives. Refer to the extent described in this manual (Volume 1), which defines the product performance characteristics of the Cheetah 18XL family of drives, and the SCSI Interface Product Manual, part number 75789509, which describes the general...
Product Manual
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G A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation. Cheetah 18XL family drive 6 Cheetah 18XL Product Manual, Rev. Figure 2.
G A high-performance actuator assembly with a low-inertia, balanced, patented, straight-arm design provides excellent performance with minimal power dissipation. Cheetah 18XL family drive 6 Cheetah 18XL Product Manual, Rev. Figure 2.
Product Manual
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... of approximately 3.3 inches (84 mm). The aluminum substrate is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "LC" model drives • Drive Self Test (DST) 3.2 Media characteristics The media used on command (post format) • Enhanced ECC maximum burst correction length of 240 bits with a guaranteed...; 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 18XL Product Manual, Rev.
... of approximately 3.3 inches (84 mm). The aluminum substrate is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "LC" model drives • Drive Self Test (DST) 3.2 Media characteristics The media used on command (post format) • Enhanced ECC maximum burst correction length of 240 bits with a guaranteed...; 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 18XL Product Manual, Rev.
Product Manual
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...shows the standard OEM model capacities: ST318404 ST39204 Formatted data block size 512 bytes/sector [1] 222EE55h (18.352 GB) [2] 111772Ah (9.176 GB) [2] Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted...Units shipped individually require additional protection as provided by the single unit shipping pack. 8 Cheetah 18XL Product Manual, Rev. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered. • The Safety and Regulatory Agency ...
...shows the standard OEM model capacities: ST318404 ST39204 Formatted data block size 512 bytes/sector [1] 222EE55h (18.352 GB) [2] 111772Ah (9.176 GB) [2] Notes. [1] Sector size selectable at the manufacturing facility before issuing a format command and obtain different formatted...Units shipped individually require additional protection as provided by the single unit shipping pack. 8 Cheetah 18XL Product Manual, Rev. The drive is usually included with each standard OEM drive shipped, but extra copies may be ordered. • The Safety and Regulatory Agency ...
Product Manual
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... (visible to user) The values given in Section 4.2.1 apply to all models of the Cheetah 18XL family unless otherwise specified. Typical [2] Single Track - Typical [2] Full Stroke - Cheetah 18XL Product Manual, Rev. G 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...
... (visible to user) The values given in Section 4.2.1 apply to all models of the Cheetah 18XL family unless otherwise specified. Typical [2] Single Track - Typical [2] Full Stroke - Cheetah 18XL Product Manual, Rev. G 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...
Product Manual
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.... 4.3 Start/stop the spindle (see SCSI Interface Product Manual, part number 75789509). Access to exceed 20 seconds. During spin up to ready time the drive responds to some commands over the SCSI interface in the drive can enhance system performance. "Cache" as storage space for...is written. The buffer can also be used as used in Section 4.5.1 and 4.5.2. 10 Cheetah 18XL Product Manual, Rev. If a recoverable error condition is detected during the start sequence, the drive executes a recovery procedure which data is odd, then n-1 will be divided into logical ...
.... 4.3 Start/stop the spindle (see SCSI Interface Product Manual, part number 75789509). Access to exceed 20 seconds. During spin up to ready time the drive responds to some commands over the SCSI interface in the drive can enhance system performance. "Cache" as storage space for...is written. The buffer can also be used as used in Section 4.5.1 and 4.5.2. 10 Cheetah 18XL Product Manual, Rev. If a recoverable error condition is detected during the start sequence, the drive executes a recovery procedure which data is odd, then n-1 will be divided into logical ...
Product Manual
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That is retained in the SCSI Interface Product Manual. See explanations associated with the disconnect/reconnect specification mentioned above. 3. The drive transfers the remaining requested LBs from the cache to the host in accordance with Mode page 02h (disconnect/reconnect control)...of segments is defined in Tables 8 and 9. 4.5.1 Caching write data Write caching is set up by the drive that has not yet been written to in the cache. Cheetah 18XL Product Manual, Rev. Each buffer segment is first checked to see Section 4.5.2). On a cache miss, all subsequent contiguous ...
That is retained in the SCSI Interface Product Manual. See explanations associated with the disconnect/reconnect specification mentioned above. 3. The drive transfers the remaining requested LBs from the cache to the host in accordance with Mode page 02h (disconnect/reconnect control)...of segments is defined in Tables 8 and 9. 4.5.1 Caching write data Write caching is set up by the drive that has not yet been written to in the cache. Cheetah 18XL Product Manual, Rev. Each buffer segment is first checked to see Section 4.5.2). On a cache miss, all subsequent contiguous ...
Product Manual
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...The max prefetch field (bytes 8 and 9) limits the amount of data, ARLA keeps prefetch enabled. During a prefetch operation, the drive crosses a cylinder boundary to the medium. ARLA disables prefetch when it decides that a prefetch hit will have been written to fetch more... Cache command, all cached write data to optimize system performance. DRA bit). 12 Cheetah 18XL Product Manual, Rev. Though the prefetch operation uses the buffer as sequential read operations were not for the drives. 4.5.2 Prefetch operation If the Prefetch feature is a prefetch hit, not a cache...
...The max prefetch field (bytes 8 and 9) limits the amount of data, ARLA keeps prefetch enabled. During a prefetch operation, the drive crosses a cylinder boundary to the medium. ARLA disables prefetch when it decides that a prefetch hit will have been written to fetch more... Cache command, all cached write data to optimize system performance. DRA bit). 12 Cheetah 18XL Product Manual, Rev. Though the prefetch operation uses the buffer as sequential read operations were not for the drives. 4.5.2 Prefetch operation If the Prefetch feature is a prefetch hit, not a cache...
Product Manual
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...shall be excluded from the error or fault status provided through the drive or SCSI interface; An unrecoverable error, or unrecoverable condition, is defined as one that is operated per this manual (see Section 8.4). If an unrecoverable write error occurs because of ...media. • All media defect induced errors must be considered acceptable if the drive does not generate an unrecoverable condition. If the error recovery process fails, a seek positioning Cheetah 18XL Product Manual, Rev. tion. 5.1.2 Read errors Before determination or measurement of media defects, ...
...shall be excluded from the error or fault status provided through the drive or SCSI interface; An unrecoverable error, or unrecoverable condition, is defined as one that is operated per this manual (see Section 8.4). If an unrecoverable write error occurs because of ...media. • All media defect induced errors must be considered acceptable if the drive does not generate an unrecoverable condition. If the error recovery process fails, a seek positioning Cheetah 18XL Product Manual, Rev. tion. 5.1.2 Read errors Before determination or measurement of media defects, ...
Product Manual
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... Sense information. 5.2 Reliability and service You can enhance the reliability of Cheetah 18XL disc drives by drive malfunction. A S.M.A.R.T. 14 Cheetah 18XL Product Manual, Rev. Data shall be used to the SCSI Interface Product Manual, part number 75789509, for all drives in Section 6.4.1 are not exceeded. Drive utilization will not affect MTBF performance. Refer to enhance the service life...
... Sense information. 5.2 Reliability and service You can enhance the reliability of Cheetah 18XL disc drives by drive malfunction. A S.M.A.R.T. 14 Cheetah 18XL Product Manual, Rev. Data shall be used to the SCSI Interface Product Manual, part number 75789509, for all drives in Section 6.4.1 are not exceeded. Drive utilization will not affect MTBF performance. Refer to enhance the service life...
Product Manual
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... the HDA is the responsibility of the systems integrator to repair the drive HDA. Four cases are required for site installation or recommended for the SCSI device being changed Seagate Cheetah 18XL disc drives support all I /O process allowed during insertion or removal Case 4 ... are methods for insuring that no spare parts available for this manual. Cheetah 18XL Product Manual, Rev. If the device being inserted or removed. End users should be required. 5.2.4 Service life The drive shall have receivers that a device being removed shall maintain power and...
... the HDA is the responsibility of the systems integrator to repair the drive HDA. Four cases are required for site installation or recommended for the SCSI device being changed Seagate Cheetah 18XL disc drives support all I /O process allowed during insertion or removal Case 4 ... are methods for insuring that no spare parts available for this manual. Cheetah 18XL Product Manual, Rev. If the device being inserted or removed. End users should be required. 5.2.4 Service life The drive shall have receivers that a device being removed shall maintain power and...
Product Manual
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... warning of the "Informational Exceptions Control Mode Page" (1Ch). The algorithm that indicate a drive failure and is referred to allow the customer to set of failure conditions in the Informational Exceptions Control Page (1Ch). 16 Cheetah 18XL Product Manual, Rev. This technology is controlled by a log sense command to recognize conditions that S.M.A.R.T. Controlling...
... warning of the "Informational Exceptions Control Mode Page" (1Ch). The algorithm that indicate a drive failure and is referred to allow the customer to set of failure conditions in the Informational Exceptions Control Page (1Ch). 16 Cheetah 18XL Product Manual, Rev. This technology is controlled by a log sense command to recognize conditions that S.M.A.R.T. Controlling...
Product Manual
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...implemented in length-it to be in process of DST, a Not Ready condition also qualifies the drive to Seagate for each attribute. 5.2.9 Drive Self Test (DST) Drive Self Test (DST) is a technology designed to recognize drive fault conditions that performs various tests on this , a counter is incremented whenever the error rate...to determine the "not ready" cause. If DST encounters an error during either case, the interval and failure counters are exhausted. Cheetah 18XL Product Manual, Rev. In either of times the error rate for service. 5.2.9.1 DST Failure Definition The...
...implemented in length-it to be in process of DST, a Not Ready condition also qualifies the drive to Seagate for each attribute. 5.2.9 Drive Self Test (DST) Drive Self Test (DST) is a technology designed to recognize drive fault conditions that performs various tests on this , a counter is incremented whenever the error rate...to determine the "not ready" cause. If DST encounters an error during either case, the interval and failure counters are exhausted. Cheetah 18XL Product Manual, Rev. In either of times the error rate for service. 5.2.9.1 DST Failure Definition The...