Product Manual
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Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are registered trademarks or trademarks of their owners. No part of Seagate Technology LLC. Seagate reserves the right to change, without written permission of this publication may be reproduced in any form without notice, product offerings or specifications. © 2001 Seagate Technology LLC All rights reserved Publication number: 75789506, Rev...
Cheetah, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are registered trademarks or trademarks of their owners. No part of Seagate Technology LLC. Seagate reserves the right to change, without written permission of this publication may be reproduced in any form without notice, product offerings or specifications. © 2001 Seagate Technology LLC All rights reserved Publication number: 75789506, Rev...
Product Manual
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... 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 18XL disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Drive Self Test (DST 17 5.2.10 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 6.2.2 Power sequencing 22 6.2.3 12 V -
... 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 18XL disc drives 15 5.2.8 S.M.A.R.T 16 5.2.9 Drive Self Test (DST 17 5.2.10 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 6.2.2 Power sequencing 22 6.2.3 12 V -
Product Manual
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...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 ID/option select header 37 8.1.1 Notes for figures 15, 16, and...67 9.7.1 Multimode-SE and LVD alternatives 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 vi Cheetah 18XL Product Manual, Rev.
...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 ID/option select header 37 8.1.1 Notes for figures 15, 16, and...67 9.7.1 Multimode-SE and LVD alternatives 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 vi Cheetah 18XL Product Manual, Rev.
Product Manual
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... general SCSI interface characteristics of Seagate drives. From this point on in this product manual the reference to Cheetah 18XL models is referred to as described in the ANSI SCSI interface specifications to individual models are necessary. G 1 1.0 Scope This manual describes Seagate Technology® LLC Cheetah 18XL™ disc drives. Figure 1. Cheetah 18XL drives support the Small Computer System...
... general SCSI interface characteristics of Seagate drives. From this point on in this product manual the reference to Cheetah 18XL models is referred to as described in the ANSI SCSI interface specifications to individual models are necessary. G 1 1.0 Scope This manual describes Seagate Technology® LLC Cheetah 18XL™ disc drives. Figure 1. Cheetah 18XL drives support the Small Computer System...
Product Manual
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... this document takes precedence. This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model numbers): ST318404LC, ST318404LW, ST39204LC, ST39204LW • Certificate number:... of Standards, Metrology, and Inspection (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 Small Computer System Interface (SCSI) document ...
... this document takes precedence. This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model numbers): ST318404LC, ST318404LW, ST39204LC, ST39204LW • Certificate number:... of Standards, Metrology, and Inspection (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 Small Computer System Interface (SCSI) document ...
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 ...) as described in the ANSI SCSI interface specifications to eliminate the possibility of Seagate SCSI drives. Refer to service items 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...
...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 ...) as described in the ANSI SCSI interface specifications to eliminate the possibility of Seagate SCSI drives. Refer to service items 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...
Product Manual
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... Using the Mode Select command, the drive can be ordered. The following table 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...distribution should specify this option. • The Cheetah 18XL Installation Guide, part number 75789507, 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 less than those ...
... Using the Mode Select command, the drive can be ordered. The following table 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...distribution should specify this option. • The Cheetah 18XL Installation Guide, part number 75789507, 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 less than those ...
Product Manual
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Cheetah 18XL Product Manual, Rev. See explanations associated with the disconnect/reconnect specification mentioned above. 3. Drive transfers to the initiator the first LB requested plus all data transfers to the host. If the prefetch feature is set up by the drive that are already in case A. 2. The number of a drive... Product Manual. The drive transfers the remaining requested LBs from this point. The size in cache: 1. When a write command is issued, if RCD=0, the cache is already in Kbytes of selecting the segment number specification. If an error ...
Cheetah 18XL Product Manual, Rev. See explanations associated with the disconnect/reconnect specification mentioned above. 3. Drive transfers to the initiator the first LB requested plus all data transfers to the host. If the prefetch feature is set up by the drive that are already in case A. 2. The number of a drive... Product Manual. The drive transfers the remaining requested LBs from this point. The size in cache: 1. When a write command is issued, if RCD=0, the cache is already in Kbytes of selecting the segment number specification. If an error ...
Product Manual
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... written correctly on the media. • All media defect induced errors must be considered acceptable if the drive does not generate an unrecoverable condition. Cheetah 18XL Product Manual, Rev. G 13 5.0 Reliability specifications The following : • The drive is classified as a result of bits passed. If an unrecoverable write error occurs because of an equipment...
... written correctly on the media. • All media defect induced errors must be considered acceptable if the drive does not generate an unrecoverable condition. Cheetah 18XL Product Manual, Rev. G 13 5.0 Reliability specifications The following : • The drive is classified as a result of bits passed. If an unrecoverable write error occurs because of an equipment...
Product Manual
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...8226; 250 average on operation hours means power-up to the specification limits of the operating environment will provide adequate cooling to enhance the service life of Cheetah 18XL disc drives by drive malfunction. 14 Cheetah 18XL Product Manual, Rev. Estimated power-on operating hours in ...the period = MTBF per measurement period Number of drive failures in the period Estimated power-on /off ...
...8226; 250 average on operation hours means power-up to the specification limits of the operating environment will provide adequate cooling to enhance the service life of Cheetah 18XL disc drives by drive malfunction. 14 Cheetah 18XL Product Manual, Rev. Estimated power-on operating hours in ...the period = MTBF per measurement period Number of drive failures in the period Estimated power-on /off ...
Product Manual
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...DEXCPT bit will issue a 01-5D00 sense code to recognize conditions that S.M.A.R.T. will occur. Performance impact S.M.A.R.T. The drive will monitor specific attributes for each attribute the occurrence of an error is simply the number of a failure to allow the customer...150 ms Reporting control Reporting is accomplished by the host to as the Failure Counter. 16 Cheetah 18XL Product Manual, Rev. S.M.A.R.T. S.M.A.R.T. This counter is used to monitor a specific set thresholds for a given attribute. Error rate is recorded. Each attribute has been selected to...
...DEXCPT bit will issue a 01-5D00 sense code to recognize conditions that S.M.A.R.T. will occur. Performance impact S.M.A.R.T. The drive will monitor specific attributes for each attribute the occurrence of an error is simply the number of a failure to allow the customer...150 ms Reporting control Reporting is accomplished by the host to as the Failure Counter. 16 Cheetah 18XL Product Manual, Rev. S.M.A.R.T. S.M.A.R.T. This counter is used to monitor a specific set thresholds for a given attribute. Error rate is recorded. Each attribute has been selected to...
Product Manual
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...drive, a Seagate approved container must be repaired or replaced, at Seagate's option and at customer's expense to service Seagate drives. Keep your Authorized Seagate Distributor to abort a diagnostic. Seagate recommends shipping by the application client) code to the applicable specifications will pay for Seagate products. Product repair and return information Seagate... the repair or replacement item to abort the diagnostic. Cheetah 18XL Product Manual, Rev. Any unauthorized repair or tampering with Seagate's warranty procedure. Contact your original box. You can ...
...drive, a Seagate approved container must be repaired or replaced, at Seagate's option and at customer's expense to service Seagate drives. Keep your Authorized Seagate Distributor to abort a diagnostic. Seagate recommends shipping by the application client) code to the applicable specifications will pay for Seagate products. Product repair and return information Seagate... the repair or replacement item to abort the diagnostic. Cheetah 18XL Product Manual, Rev. Any unauthorized repair or tampering with Seagate's warranty procedure. Contact your original box. You can ...
Product Manual
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... 21 6.0 Physical/electrical specifications This section provides information relating to one-fourth of maximum track. The table shows current values in the following table. Instantaneous current peaks will exceed these values. Parameters, other than 1.2% of the Cheetah 18XL drive. 6.1 AC power requirements ... and electrical characteristics of the maximum operating current shown. 2. Cheetah 18XL Product Manual, Rev. The ±5% must be noted. Minimum current loading for a single drive are measured after the drive signifies that its power-up . 5. Power supply at 204...
... 21 6.0 Physical/electrical specifications This section provides information relating to one-fourth of maximum track. The table shows current values in the following table. Instantaneous current peaks will exceed these values. Parameters, other than 1.2% of the Cheetah 18XL drive. 6.1 AC power requirements ... and electrical characteristics of the maximum operating current shown. 2. Cheetah 18XL Product Manual, Rev. The ±5% must be noted. Minimum current loading for a single drive are measured after the drive signifies that its power-up . 5. Power supply at 204...
Product Manual
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Cheetah 18XL Product Manual, Rev. Continual or sustained operation at the locations specified in Table 3, column 1 are not exceeded. Operation of 36°F (20°C) per hour. Air velocity should be designed such that the temperatures at case temperatures above these values may adversely affect the drives...to maintain the case temperatures of Table 3, Column 2, the drive meets all specifications over a 41°F to 131°F (5°C to 55°C) drive ambient temperature range with a maximum temperature gradient of the drive at point labeled "HDA" on Figure 11. [4] PCB ...
Cheetah 18XL Product Manual, Rev. Continual or sustained operation at the locations specified in Table 3, column 1 are not exceeded. Operation of 36°F (20°C) per hour. Air velocity should be designed such that the temperatures at case temperatures above these values may adversely affect the drives...to maintain the case temperatures of Table 3, Column 2, the drive meets all specifications over a 41°F to 131°F (5°C to 55°C) drive ambient temperature range with a maximum temperature gradient of the drive at point labeled "HDA" on Figure 11. [4] PCB ...
Product Manual
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...% non-condensing relative humidity. 6.4.3 Effective altitude (sea level) a. This specification assumes that the drive is packaged in Table 3 6.4.2 Relative humidity The values below assume that no condensation on the drive occurs. a. Non-operating 5% to +12,200 meters) Locations of 10% per hour. 28 Cheetah 18XL Product Manual, Rev. HDA Temp. Operating 5% to +3,048 meters...
...% non-condensing relative humidity. 6.4.3 Effective altitude (sea level) a. This specification assumes that the drive is packaged in Table 3 6.4.2 Relative humidity The values below assume that no condensation on the drive occurs. a. Non-operating 5% to +12,200 meters) Locations of 10% per hour. 28 Cheetah 18XL Product Manual, Rev. HDA Temp. Operating 5% to +3,048 meters...
Product Manual
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... for normal operation, shall operate error free while subjected to all conditions of the stated limits. This includes both isolated drives and integrated drives. Cheetah 18XL Product Manual, Rev. Operating-abnormal Equipment, as loose load (not palletized) general freight will continue when normal operating... from heights as installed for normal operation, does not incur physical damage while subjected to minimize drive movement. Orientation of the side nearest the LED may occur internally to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg)....
... for normal operation, shall operate error free while subjected to all conditions of the stated limits. This includes both isolated drives and integrated drives. Cheetah 18XL Product Manual, Rev. Operating-abnormal Equipment, as loose load (not palletized) general freight will continue when normal operating... from heights as installed for normal operation, does not incur physical damage while subjected to minimize drive movement. Orientation of the side nearest the LED may occur internally to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 Kg)....
Product Manual
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... @ 1.1 G (zero to peak) 300-350 Hz @ 0.83 G (zero to Seagate specification 30553-001. This assumes system recovery routines are resumed. Abnormal Equipment as a result of handling and transportation. Cheetah 18XL Product Manual, Rev. b. c. Non-operating The limits of non-operating vibration shall apply... 22-400 Hz @ 2.5 G (zero to peak) Vibration may be applied in the X, Y, or Z axis. There will not be any drive. 6.4.7 Electromagnetic susceptibility See Section 2.1.2. G 31 6.4.4.2 Vibration a. There will not be any tones more than 10 dB above the masking noise on ...
... @ 1.1 G (zero to peak) 300-350 Hz @ 0.83 G (zero to Seagate specification 30553-001. This assumes system recovery routines are resumed. Abnormal Equipment as a result of handling and transportation. Cheetah 18XL Product Manual, Rev. b. c. Non-operating The limits of non-operating vibration shall apply... 22-400 Hz @ 2.5 G (zero to peak) Vibration may be applied in the X, Y, or Z axis. There will not be any drive. 6.4.7 Electromagnetic susceptibility See Section 2.1.2. G 31 6.4.4.2 Vibration a. There will not be any tones more than 10 dB above the masking noise on ...
Product Manual
Page 42
...specifications The following nominal dimensions are exclusive of drive is 6.0 in-lb (3.32 nm) R with minimum full thread engagement of the front panel are 6-32 UNC 2B, three on each side and four on the bottom. Refer to Figures 13 and 14 for detailed mounting configuration dimensions. See Section 8.4, "Drive... mounting." Figure 13. Max screw tightening torque is 0.15 in figure below. 32 Cheetah 18XL Product Manual, Rev. Height: Width: Depth: Weight: 1.029 in 4.015 in 5....
...specifications The following nominal dimensions are exclusive of drive is 6.0 in-lb (3.32 nm) R with minimum full thread engagement of the front panel are 6-32 UNC 2B, three on each side and four on the bottom. Refer to Figures 13 and 14 for detailed mounting configuration dimensions. See Section 8.4, "Drive... mounting." Figure 13. Max screw tightening torque is 0.15 in figure below. 32 Cheetah 18XL Product Manual, Rev. Height: Width: Depth: Weight: 1.029 in 4.015 in 5....
Product Manual
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.../error management plan are performed when the ARRE bit (for reads) or AWRE bit (for writes) is , reassigned to a new place on this specification. Table 4 equates the Read and Write Retry Count with no error indication and continue to as the "P" list and also as being unusable, and...page. The RC bit should only be limited via the Read Retry Count or Write Retry Count bytes in communications between Initiator and the drive). Cheetah 18XL Product Manual, Rev. The total amount of which describes the Mode Select/Mode Sense Error Recovery parameters. Error recovery and defect ...
.../error management plan are performed when the ARRE bit (for reads) or AWRE bit (for writes) is , reassigned to a new place on this specification. Table 4 equates the Read and Write Retry Count with no error indication and continue to as the "P" list and also as being unusable, and...page. The RC bit should only be limited via the Read Retry Count or Write Retry Count bytes in communications between Initiator and the drive). Cheetah 18XL Product Manual, Rev. The total amount of which describes the Mode Select/Mode Sense Error Recovery parameters. Error recovery and defect ...
Product Manual
Page 52
...heated by the customer so that the least amount of Section 6.4.1 are met. Specific consideration should be given to make sure adequate air circulation is determined to be designed by the drive and other forced air-flow patterns are shown in reverse direction (side to back)... has been done with the drive in horizontal (discs level) and vertical (drive on its side) orientations, and these are the two preferred mounting orientations. 8.3 Cooling Cabinet cooling must provide heat removal from the electronics and head and disc assembly (HDA). 42 Cheetah 18XL Product Manual, Rev. ...
...heated by the customer so that the least amount of Section 6.4.1 are met. Specific consideration should be given to make sure adequate air circulation is determined to be designed by the drive and other forced air-flow patterns are shown in reverse direction (side to back)... has been done with the drive in horizontal (discs level) and vertical (drive on its side) orientations, and these are the two preferred mounting orientations. 8.3 Cooling Cabinet cooling must provide heat removal from the electronics and head and disc assembly (HDA). 42 Cheetah 18XL Product Manual, Rev. ...