Product Manual
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Barracuda 36ES2 Family: ST336918N ST336938LW ST318418N ST318438LW Product Manual, Volume 1
Barracuda 36ES2 Family: ST336918N ST336938LW ST318418N ST318438LW Product Manual, Volume 1
Product Manual
Page 3
Barracuda 36ES2 Family: ST336918N ST336938LW ST318418N ST318438LW Product Manual, Volume 1
Barracuda 36ES2 Family: ST336918N ST336938LW ST318418N ST318438LW Product Manual, Volume 1
Product Manual
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... LLC All rights reserved Publication number: 100182971, Rev. Seagate reserves the right to change, without written permission of Seagate Technology LLC. Barracuda, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are registered trademarks or trademarks of Seagate Technology LLC. Other product names are either registered trademarks or trademarks of their owners. No part of this publication may...
... LLC All rights reserved Publication number: 100182971, Rev. Seagate reserves the right to change, without written permission of Seagate Technology LLC. Barracuda, SeaFAX, SeaFONE, SeaBOARD, and SeaTDD are registered trademarks or trademarks of Seagate Technology LLC. Other product names are either registered trademarks or trademarks of their owners. No part of this publication may...
Product Manual
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... between failure 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 Barracuda 36ES2 disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.8.1 DST Failure Definition 17 5.2.8.2 Implementation 17 5.2.9 Product warranty 18 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...
... between failure 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 Barracuda 36ES2 disc drives 15 5.2.7 S.M.A.R.T 15 5.2.8 Drive Self Test (DST 16 5.2.8.1 DST Failure Definition 17 5.2.8.2 Implementation 17 5.2.9 Product warranty 18 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...
Product Manual
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...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 ID/option select header 35 8.1.1 Notes for Figures 14 through 18 40 8.1.2 Function description 41 8.1.3 Drive orientation 42 8.2 Cooling 42 8.2.1 Air flow 42 8.3 Drive mounting 43 8.4 ...circuits 71 9.7.1.4 General cable characteristics 71 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 9.11 Drive activity LED 74 10.0 Seagate Technology support services 75 vi Barracuda 36ES2 Product Manual, Rev.
...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 ID/option select header 35 8.1.1 Notes for Figures 14 through 18 40 8.1.2 Function description 41 8.1.3 Drive orientation 42 8.2 Cooling 42 8.2.1 Air flow 42 8.3 Drive mounting 43 8.4 ...circuits 71 9.7.1.4 General cable characteristics 71 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 9.11 Drive activity LED 74 10.0 Seagate Technology support services 75 vi Barracuda 36ES2 Product Manual, Rev.
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Figure 6. Figure 8. Figure 13. Figure 17. Figure 20. Figure 24. Figure 10. Figure 12. Figure 15. Figure 18. input/output operations per second (SE) . . . . 25 Location of Figures Figure 1. Figure 2. Figure 7. Figure 9. ... 5. Figure 22. Figure 4. Figure 23. Figure 14. Barracuda 36ES2 Product Manual, Rev. Figure 19. Barracuda 36ES2 family drive (ST336938LW shown 1 Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile 22 Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile 23 ST336938/ST318438 DC current and power...
Figure 6. Figure 8. Figure 13. Figure 17. Figure 20. Figure 24. Figure 10. Figure 12. Figure 15. Figure 18. input/output operations per second (SE) . . . . 25 Location of Figures Figure 1. Figure 2. Figure 7. Figure 9. ... 5. Figure 22. Figure 4. Figure 23. Figure 14. Barracuda 36ES2 Product Manual, Rev. Figure 19. Barracuda 36ES2 family drive (ST336938LW shown 1 Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile 22 Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile 23 ST336938/ST318438 DC current and power...
Product Manual
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B 1 1.0 Scope This manual describes Seagate Technology® LLC Barracuda® 36ES2 disc drives. The SCSI Interface Product Manual references information from the documents listed in this manual. Barracuda 36ES2 family drive (ST336938LW shown) Barracuda 36ES2 Product Manual, Rev. Figure 1. The SCSI Interface Product Manual, part number 75789509, describes general SCSI interface characteristics of this product manual the...
B 1 1.0 Scope This manual describes Seagate Technology® LLC Barracuda® 36ES2 disc drives. The SCSI Interface Product Manual references information from the documents listed in this manual. Barracuda 36ES2 family drive (ST336938LW shown) Barracuda 36ES2 Product Manual, Rev. Figure 1. The SCSI Interface Product Manual, part number 75789509, describes general SCSI interface characteristics of this product manual the...
Product Manual
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...In particular, the drive must be securely mounted in order to minimize radiation when installed in the areas of 03 May 1989 as delivered, is not required to meet the requirements of Section 8.3. 2.1 Standards The Barracuda 36ES2 family complies with Seagate standards as a ...system peripheral to the system does not adversely affect the performance of this Manual and the Seagate SCSI Interface Product Manual, part number 75789509. The design characteristics...
...In particular, the drive must be securely mounted in order to minimize radiation when installed in the areas of 03 May 1989 as delivered, is not required to meet the requirements of Section 8.3. 2.1 Standards The Barracuda 36ES2 family complies with Seagate standards as a ...system peripheral to the system does not adversely affect the performance of this Manual and the Seagate SCSI Interface Product Manual, part number 75789509. The design characteristics...
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...drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model number): ST336938N, ST336918LW, ST318418N and ST318438LW. • Certificate number: E-H011-01-4292 (B), E-H011-01-4293 (B), E-H011-01-5655 (B) and E-H011-01-5654 (B) respectively. • Trade name or applicant: Seagate... 2.3 Reference documents Barracuda 36ES2 Installation Guide Seagate P/N 100182976 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ...
...drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model number): ST336938N, ST336918LW, ST318418N and ST318438LW. • Certificate number: E-H011-01-4292 (B), E-H011-01-4293 (B), E-H011-01-5655 (B) and E-H011-01-5654 (B) respectively. • Trade name or applicant: Seagate... 2.3 Reference documents Barracuda 36ES2 Installation Guide Seagate P/N 100182976 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ...
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...at the factory. The shipping lock automatically disengages when power is used). This drive also operates at the innermost radius of Seagate SCSI drives. Barracuda 36ES2 drives use a dedicated landing zone at Ultra160 data transfer rates. Table 1: Drive model number vs. differentiating features Model number Number of active heads I/O circuit type... (LVD) Single-ended (SE) 50 Single-ended (SE) and low 68 voltage differential (LVD) 16 2 Mbytes 8 2 Mbytes 16 2 Mbytes ST318418N 2 Single-ended (SE) 50 8 2 Mbytes [1] See Section 9.6 for a variety of I /O circuit type.
...at the factory. The shipping lock automatically disengages when power is used). This drive also operates at the innermost radius of Seagate SCSI drives. Barracuda 36ES2 drives use a dedicated landing zone at Ultra160 data transfer rates. Table 1: Drive model number vs. differentiating features Model number Number of active heads I/O circuit type... (LVD) Single-ended (SE) 50 Single-ended (SE) and low 68 voltage differential (LVD) 16 2 Mbytes 8 2 Mbytes 16 2 Mbytes ST318418N 2 Single-ended (SE) 50 8 2 Mbytes [1] See Section 9.6 for a variety of I /O circuit type.
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...required • Dedicated head landing zone • Embedded servo design • Self diagnostics performed when power is applied to the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle...actuator • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 3-year warranty B 3.1 Standard features The Barracuda 36ES2 family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers and receivers-single-ended (...
...required • Dedicated head landing zone • Embedded servo design • Self diagnostics performed when power is applied to the drive • 1:1 Interleave • Zoned bit recording (ZBR) • Vertical, horizontal, or top down mounting • Dynamic spindle...actuator • Incorporates industry-standard Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) • 3-year warranty B 3.1 Standard features The Barracuda 36ES2 family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers and receivers-single-ended (...
Product Manual
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...unless otherwise specified. Barracuda 36ES2 Product Manual, Rev. The following table shows the standard OEM model capacities: ST336938LW ST336918N ST318438LW ST318418N Formatted data block size 512 bytes/sector [1] 044D53B5h (36.954 GB) [2] 044D53B5h (36.954 GB) [2] 0251C800h (19.924 GB) [2] 0251C800h (19.924 GB) [2] Notes. [1]...capacities can change the capacity it is less than maximum. Some of the options available are shipped with each standard OEM drive shipped, but extra copies may modify the data block size before shipping. A value of zero in the block descriptor ...
...unless otherwise specified. Barracuda 36ES2 Product Manual, Rev. The following table shows the standard OEM model capacities: ST336938LW ST336918N ST318438LW ST318418N Formatted data block size 512 bytes/sector [1] 044D53B5h (36.954 GB) [2] 044D53B5h (36.954 GB) [2] 0251C800h (19.924 GB) [2] 0251C800h (19.924 GB) [2] Notes. [1]...capacities can change the capacity it is less than maximum. Some of the options available are shipped with each standard OEM drive shipped, but extra copies may modify the data block size before shipping. A value of zero in the block descriptor ...
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... overhead (without disconnect) [1] [3] 36 Gbyte Model Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Drive level Read Write msec 8.7 9.5 0.8 1.2 15.1 15.8 Not including controller overhead (without disconnect) [1] [3] Drive level Read 8.5 0.6 14.9 Write msec 9.3 1.0 15.6 18 Gbyte Model Average-Typical [2] 7.1 7.7 Single Track-Typical [2] 0.8 1.2 Full Stroke-Typical [2] 10.2 10.9... performance characteristics Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Barracuda 36ES2 family unless otherwise specified.
... overhead (without disconnect) [1] [3] 36 Gbyte Model Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Drive level Read Write msec 8.7 9.5 0.8 1.2 15.1 15.8 Not including controller overhead (without disconnect) [1] [3] Drive level Read 8.5 0.6 14.9 Write msec 9.3 1.0 15.6 18 Gbyte Model Average-Typical [2] 7.1 7.7 Single Track-Typical [2] 0.8 1.2 Full Stroke-Typical [2] 10.2 10.9... performance characteristics Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Barracuda 36ES2 family unless otherwise specified.
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...and 4.5.2. If the Motor Start Option is enabled, the internal controller accepts the commands listed in even number of this drive family are independent features from the standpoint that in actual operation the prefetch feature overlaps cache operation somewhat as the power ... a Status Byte Transfer to the Initiator (excluding connect/disconnect). [2] Typical access times are measured under nominal conditions of bytes per sector. Barracuda 36ES2 Product Manual, Rev. "Cache" as measured on a representative sample of DC power. If a recoverable error condition is less than ...
...and 4.5.2. If the Motor Start Option is enabled, the internal controller accepts the commands listed in even number of this drive family are independent features from the standpoint that in actual operation the prefetch feature overlaps cache operation somewhat as the power ... a Status Byte Transfer to the Initiator (excluding connect/disconnect). [2] Typical access times are measured under nominal conditions of bytes per sector. Barracuda 36ES2 Product Manual, Rev. "Cache" as measured on a representative sample of DC power. If a recoverable error condition is less than ...
Product Manual
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... Barracuda 36ES2 Product Manual, Rev. B 4.5 Cache operation In general, 2,048 Kbytes of the physical buffer space in case A. 2. If cache operation is used , but goes directly to the medium to do with required number of a read cache hits. The following is a simplified description of segments) is still used as a by the drive...
... Barracuda 36ES2 Product Manual, Rev. B 4.5 Cache operation In general, 2,048 Kbytes of the physical buffer space in case A. 2. If cache operation is used , but goes directly to the medium to do with required number of a read cache hits. The following is a simplified description of segments) is still used as a by the drive...
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...read operations are not for immediate transfer from previous write commands will be used to force the drive to write all data received from the buffer to the medium. Though the prefetch operation uses ... enabled (enabled by a Read command can limit the amount of data, ARLA keeps prefetch enabled. The drive does not use the Prefetch Ceiling field (bytes 10 and 11). Whenever prefetch (read operations request contiguous ...Disable Read Ahead - If the host is enabled (WCE=1), then the drive may be generated. Upon completion of prefetch. Barracuda 36ES2 Product Manual, Rev.
...read operations are not for immediate transfer from previous write commands will be used to force the drive to write all data received from the buffer to the medium. Though the prefetch operation uses ... enabled (enabled by a Read command can limit the amount of data, ARLA keeps prefetch enabled. The drive does not use the Prefetch Ceiling field (bytes 10 and 11). Whenever prefetch (read operations request contiguous ...Disable Read Ahead - If the host is enabled (WCE=1), then the drive may be generated. Upon completion of prefetch. Barracuda 36ES2 Product Manual, Rev.
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... with the SCSI Format command. • Errors caused by normal drive or system recovery procedures without operator interven- Therefore, write errors are not predictable as a failure affecting MTBF. Barracuda 36ES2 Product Manual, Rev. tion. 5.1.2 Read errors Before determination ... of being written correctly on the media. • All media defect induced errors must be verified as a failure of the drive to position the heads to Section 3.2, "Media Characteristics." • Assume random data. 5.1.1 Environmental interference When evaluating systems operation ...
... with the SCSI Format command. • Errors caused by normal drive or system recovery procedures without operator interven- Therefore, write errors are not predictable as a failure affecting MTBF. Barracuda 36ES2 Product Manual, Rev. tion. 5.1.2 Read errors Before determination ... of being written correctly on the media. • All media defect induced errors must be verified as a failure of the drive to position the heads to Section 3.2, "Media Characteristics." • Assume random data. 5.1.1 Environmental interference When evaluating systems operation ...
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...calculated on operation hours means power-up to ensure the case temperatures specified in the Sense Key. 14 Barracuda 36ES2 Product Manual, Rev. Refer to repair the drive HDA. MTBF is reported with a Medium error (3h) or Hardware error (4h) reported in Section... In order to Section 5.2.4. Section 8.2.1 provides recommended air-flow information. 5.2.1 Mean time between failure The production disc drive shall achieve an MTBF of Barracuda 36ES2 disc drives by drive malfunction. B error (15h) is based on the following assumptions: • 8,760 power-on hours per year...
...calculated on operation hours means power-up to ensure the case temperatures specified in the Sense Key. 14 Barracuda 36ES2 Product Manual, Rev. Refer to repair the drive HDA. MTBF is reported with a Medium error (3h) or Hardware error (4h) reported in Section... In order to Section 5.2.4. Section 8.2.1 provides recommended air-flow information. 5.2.1 Mean time between failure The production disc drive shall achieve an MTBF of Barracuda 36ES2 disc drives by drive malfunction. B error (15h) is based on the following assumptions: • 8,760 power-on hours per year...
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... cases are optimized to enable or disable the S.M.A.R.T. All SCSI devices on the device being changed Seagate Barracuda 36ES2 disc drives support all I /O processes for Self-Monitoring Analysis and Reporting Technology. When enabled, S.M.A.R.T. B 15 5.2.6 Hot plugging Barracuda 36ES2 disc drives The ANSI SPI-3 (T10/1302D) document defines the physical requirements for SE and LVD devices...
... cases are optimized to enable or disable the S.M.A.R.T. All SCSI devices on the device being changed Seagate Barracuda 36ES2 disc drives support all I /O processes for Self-Monitoring Analysis and Reporting Technology. When enabled, S.M.A.R.T. B 15 5.2.6 Hot plugging Barracuda 36ES2 disc drives The ANSI SPI-3 (T10/1302D) document defines the physical requirements for SE and LVD devices...
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...not to exceed zero) whenever the error rate is referred to record rates of error is recorded. This counter is acceptable. 16 Barracuda 36ES2 Product Manual, Rev. Performance impact S.M.A.R.T. Error rate is simply the number of an error is to the number of errors for...the disc for a given attribute. The counter that S.M.A.R.T. DST validates the functionality of operations is summarized below: Maximum processing delay S.M.A.R.T. The drive will issue a 01-5D00 sense code to an idle period on the SCSI bus. If the number of measuring off -line attribute data...
...not to exceed zero) whenever the error rate is referred to record rates of error is recorded. This counter is acceptable. 16 Barracuda 36ES2 Product Manual, Rev. Performance impact S.M.A.R.T. Error rate is simply the number of an error is to the number of errors for...the disc for a given attribute. The counter that S.M.A.R.T. DST validates the functionality of operations is summarized below: Maximum processing delay S.M.A.R.T. The drive will issue a 01-5D00 sense code to an idle period on the SCSI bus. If the number of measuring off -line attribute data...