Product Manual
Page 1
Barracuda 9 Disc Drive ST19171N/W/WD/WC/DC ...Product Manual, Volume 1
Barracuda 9 Disc Drive ST19171N/W/WD/WC/DC ...Product Manual, Volume 1
Product Manual
Page 3
Barracuda 9 Disc Drive ST19171N/W/WD/WC/DC ...Product Manual, Volume 1
Barracuda 9 Disc Drive ST19171N/W/WD/WC/DC ...Product Manual, Volume 1
Product Manual
Page 4
..., Inc. No part of this publication may be reproduced in the United States of Seagate Technology, Inc. All rights reserved Publication number: 83329030, Rev. © 1997 Seagate Technology, Inc. Barracuda, SeaFAX, SeaFONE, SeaNET, SeaTDD, and SeaBOARD are registered trademarks of America All other trademarks or registered trademarks are the property of its subsidiaries...
..., Inc. No part of this publication may be reproduced in the United States of Seagate Technology, Inc. All rights reserved Publication number: 83329030, Rev. © 1997 Seagate Technology, Inc. Barracuda, SeaFAX, SeaFONE, SeaNET, SeaTDD, and SeaBOARD are registered trademarks of America All other trademarks or registered trademarks are the property of its subsidiaries...
Product Manual
Page 7
... errors 16 5.2 Reliability and service 16 5.2.1 Mean time between failure 16 5.2.2 Preventive maintenance 16 5.2.3 Service life 16 5.2.4 Service philosophy 16 5.2.5 Service tools 16 5.2.6 Hot plugging Barracuda 9 disc drives 17 5.2.7 S.M.A.R.T 17 5.2.8 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 sequencing 22...
... errors 16 5.2 Reliability and service 16 5.2.1 Mean time between failure 16 5.2.2 Preventive maintenance 16 5.2.3 Service life 16 5.2.4 Service philosophy 16 5.2.5 Service tools 16 5.2.6 Hot plugging Barracuda 9 disc drives 17 5.2.7 S.M.A.R.T 17 5.2.8 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 sequencing 22...
Product Manual
Page 8
... Acoustics 29 6.4.7 Electromagnetic susceptibility 29 6.5 Mechanical specifications 30 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 ID/option select header 35 8.1.1 Notes for Figures 9, 10, and 11 39 8.1.2 Function description ...-ended drivers/receivers 69 9.7.2 Differential drivers/receivers 70 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 10.0 Seagate technical support services 75 vi Barracuda 9 Product Manual, Rev.
... Acoustics 29 6.4.7 Electromagnetic susceptibility 29 6.5 Mechanical specifications 30 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 ID/option select header 35 8.1.1 Notes for Figures 9, 10, and 11 39 8.1.2 Function description ...-ended drivers/receivers 69 9.7.2 Differential drivers/receivers 70 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 10.0 Seagate technical support services 75 vi Barracuda 9 Product Manual, Rev.
Product Manual
Page 9
...21. Figure 4a. Figure 12. Figure 19. Figure 13. Figure 20. Figure 11. Figure 18. List of Figures Barracuda 9 disc drive (ST19171N drive shown 1 Barracuda 9 family drive 6 Typical Barracuda 9 drive +5 V and +12 V current profile 23 Location of PCB components listed in Table 3 25 Location of PCB components listed... 31 Mounting configuration dimensions for "WC" and "DC" models 32 ST19171N option select jumper connectors 36 ST19171W/WD option select jumper connectors 37 ST19171WC/DC option select jumper connectors 38 Suggested air flow 41 Physical interface for "N" model...
...21. Figure 4a. Figure 12. Figure 19. Figure 13. Figure 20. Figure 11. Figure 18. List of Figures Barracuda 9 disc drive (ST19171N drive shown 1 Barracuda 9 family drive 6 Typical Barracuda 9 drive +5 V and +12 V current profile 23 Location of PCB components listed in Table 3 25 Location of PCB components listed... 31 Mounting configuration dimensions for "WC" and "DC" models 32 ST19171N option select jumper connectors 36 ST19171W/WD option select jumper connectors 37 ST19171WC/DC option select jumper connectors 38 Suggested air flow 41 Physical interface for "N" model...
Product Manual
Page 11
... reference to Barracuda 9 models is referred to as "the drive" (unless references to individual models are necessary). Barracuda 9 disc drive (ST19171N drive shown) Figure 1. From this point on in this and other families of this manual. The SCSI Interface Product Manual (part number 77738479) describes general SCSI interface characteristics of Seagate drives. Barracuda 9 Product Manual, Rev. Barracuda 9™ disc...
... reference to Barracuda 9 models is referred to as "the drive" (unless references to individual models are necessary). Barracuda 9 disc drive (ST19171N drive shown) Figure 1. From this point on in this and other families of this manual. The SCSI Interface Product Manual (part number 77738479) describes general SCSI interface characteristics of Seagate drives. Barracuda 9 Product Manual, Rev. Barracuda 9™ disc...
Product Manual
Page 13
.... 2.1.2 Electromagnetic susceptibility As a component assembly, the drive is the responsibility of those integrating the drive within their systems to meet the requirements provided in Section 8.4. 2.1 Standards The Barracuda 9 family complies with Seagate standards as amended by Directive 92/31/EEC of... to the directives/standard(s), we cannot guarantee that provides reasonable shielding. Barracuda 9 Product Manual, Rev. Also, the drive must be used, with this Seagate model complies to use. The Barracuda 9 disc drive is capable of meeting the Class B limits of the FCC Rules...
.... 2.1.2 Electromagnetic susceptibility As a component assembly, the drive is the responsibility of those integrating the drive within their systems to meet the requirements provided in Section 8.4. 2.1 Standards The Barracuda 9 family complies with Seagate standards as amended by Directive 92/31/EEC of... to the directives/standard(s), we cannot guarantee that provides reasonable shielding. Barracuda 9 Product Manual, Rev. Also, the drive must be used, with this Seagate model complies to use. The Barracuda 9 disc drive is capable of meeting the Class B limits of the FCC Rules...
Product Manual
Page 14
... Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Barracuda 9 Installation Guide Seagate part number: 83329020 SCSI Interface Product Manual (Volume 2) Seagate part number: 77738479 ANSI small computer system interface (SCSI) document numbers: X3.131-1994..."Ultra SCSI") SFF-8046 Specification for 80-pin SCA connector for SCSI disk drives Performance testing of shipping containers and systems: Seagate P/N 30190-001 (under 100 lb.) and Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document...
... Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Barracuda 9 Installation Guide Seagate part number: 83329020 SCSI Interface Product Manual (Volume 2) Seagate part number: 77738479 ANSI small computer system interface (SCSI) document numbers: X3.131-1994..."Ultra SCSI") SFF-8046 Specification for 80-pin SCA connector for SCSI disk drives Performance testing of shipping containers and systems: Seagate P/N 30190-001 (under 100 lb.) and Seagate P/N 30191-001 (over 100 lb.) In case of conflict between this document...
Product Manual
Page 15
...design provides excellent performance with non-Fast-20 capable SCSI host adapters. C 5 3.0 General description Barracuda 9 drives combine magnetoresistive (MR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo ...discs that results from the necessity of knowing the physical characteristics of Seagate SCSI drives. Fast-20 (also known as Ultra SCSI) is sealed at ... by landing in the data zone. Table 1: Drive model number vs. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single...
...design provides excellent performance with non-Fast-20 capable SCSI host adapters. C 5 3.0 General description Barracuda 9 drives combine magnetoresistive (MR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo ...discs that results from the necessity of knowing the physical characteristics of Seagate SCSI drives. Fast-20 (also known as Ultra SCSI) is sealed at ... by landing in the data zone. Table 1: Drive model number vs. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single...
Product Manual
Page 16
...Barracuda 9 family drive 3.1 Standard features Barracuda 9 drives have the following standard features: • Integrated SCSI controller • Single-ended or differential SCSI drivers and receivers • 8-bit and 16-bit I/O data bus models available • Asynchronous and synchronous data transfer protocols • Firmware downloadable using a SCSI interface • Programmable drive... plug compatibility (Section 9.6.4.3 lists proper host connector needed) for "WC" and "DC" model drives • SCAM (SCSI Configured Auto Magically) Plug-n-Play Level 2 compliant • Low audible...
...Barracuda 9 family drive 3.1 Standard features Barracuda 9 drives have the following standard features: • Integrated SCSI controller • Single-ended or differential SCSI drivers and receivers • 8-bit and 16-bit I/O data bus models available • Asynchronous and synchronous data transfer protocols • Firmware downloadable using a SCSI interface • Programmable drive... plug compatibility (Section 9.6.4.3 lists proper host connector needed) for "WC" and "DC" model drives • SCAM (SCSI Configured Auto Magically) Plug-n-Play Level 2 compliant • Low audible...
Product Manual
Page 17
... LBAs is rounded down to the maximum capacity. 3.7 Factory installed accessories The Barracuda 9 Installation Guide, part number 83329020, is coated with a thin film magnetic material, overcoated with the drive. C 7 3.2 Media characteristics The media used on spare reallocation scheme selected.... of zero in the SCSI Interface Product Manual, part number 77738479. Refer to have . Barracuda 9 Product Manual, Rev. The aluminum substrate is shipped with each standard OEM drive (unless otherwise specified). A number in the number of alternate sectors (LBAs) per sector....
... LBAs is rounded down to the maximum capacity. 3.7 Factory installed accessories The Barracuda 9 Installation Guide, part number 83329020, is coated with a thin film magnetic material, overcoated with the drive. C 7 3.2 Media characteristics The media used on spare reallocation scheme selected.... of zero in the SCSI Interface Product Manual, part number 77738479. Refer to have . Barracuda 9 Product Manual, Rev. The aluminum substrate is shipped with each standard OEM drive (unless otherwise specified). A number in the number of alternate sectors (LBAs) per sector....
Product Manual
Page 18
...individuals can order other capacities by the single-unit shipping pack. The drive normally ships in the field. • Front panel kit (with each standard OEM drive. Some of the options available are available. Units shipped individually require ...additional protection as provided by selecting other sparing schemes and sector sizes. • 2 Mbyte data buffer. • Single-unit shipping pack. You can install these accessories in bulk packaging to your customers. • The Barracuda...
...individuals can order other capacities by the single-unit shipping pack. The drive normally ships in the field. • Front panel kit (with each standard OEM drive. Some of the options available are available. Units shipped individually require ...additional protection as provided by selecting other sparing schemes and sector sizes. • 2 Mbyte data buffer. • Single-unit shipping pack. You can install these accessories in bulk packaging to your customers. • The Barracuda...
Product Manual
Page 19
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 Bits/inch, minimum Bits/inch... details. 4.2.1 Access time [7] Average Single track Full stroke Typical [2] Typical [2] Typical [2] Including controller overhead (without disconnect) [2] [3] Drive level Read Write msec 9.7 10.7 0.8 1.4 19.2 20.2 4.2.2 Format command execution time Maximum (with verify) Maximum (no verify) Barracuda 9 Product Manual, Rev. Refer to Section 9.10 and to all...
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 Bits/inch, minimum Bits/inch... details. 4.2.1 Access time [7] Average Single track Full stroke Typical [2] Typical [2] Typical [2] Including controller overhead (without disconnect) [2] [3] Drive level Read Write msec 9.7 10.7 0.8 1.4 19.2 20.2 4.2.2 Format command execution time Maximum (with verify) Maximum (no verify) Barracuda 9 Product Manual, Rev. Refer to Section 9.10 and to all...
Product Manual
Page 20
... no errors and no sector reallocations. [4] Rate measured from the start of the first sector transfer to or from receipt of the last byte of drives. 10 Barracuda 9 Product Manual, Rev. C SCSI interface data transfer rate (asynchronous) [4]: Maximum instantaneous Maximum average Synchronous transfer rate for SCSI Fast-20 (Ultra SCSI) (8 bit data...
... no errors and no sector reallocations. [4] Rate measured from the start of the first sector transfer to or from receipt of the last byte of drives. 10 Barracuda 9 Product Manual, Rev. C SCSI interface data transfer rate (asynchronous) [4]: Maximum instantaneous Maximum average Synchronous transfer rate for SCSI Fast-20 (Ultra SCSI) (8 bit data...
Product Manual
Page 21
Barracuda 9 Product Manual, Rev. Stop time is less than 30 seconds (maximum) from ... access is enabled and disabled independently via the Mode Select command. After receiving the Motor Start command, the drive becomes ready for normal operations within 30 seconds after applying DC power. The retrieved data merely passes through some... with cache operation enabled: Case A - Read command is received and the first logical block is applied. The drive prefetches additional logical blocks contiguous to the host are independent features from the disc and puts them in each is...
Barracuda 9 Product Manual, Rev. Stop time is less than 30 seconds (maximum) from ... access is enabled and disabled independently via the Mode Select command. After receiving the Motor Start command, the drive becomes ready for normal operations within 30 seconds after applying DC power. The retrieved data merely passes through some... with cache operation enabled: Case A - Read command is received and the first logical block is applied. The drive prefetches additional logical blocks contiguous to the host are independent features from the disc and puts them in each is...
Product Manual
Page 22
...beyond that request those transferred in Case A, step 2 above and stores them into the beginning of the operation. 12 Barracuda 9 Product Manual, Rev. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the Discontinuity (DISC) bit is set up by the host in a...Select command (bytes 14 and 15) no write data is cached but the size cannot be retrieved and stored in the buffer for the drives. Default is actually a self-contained circular storage (wrap-around capability of the individual segments greatly enhances the buffer's overall performance as a cache...
...beyond that request those transferred in Case A, step 2 above and stores them into the beginning of the operation. 12 Barracuda 9 Product Manual, Rev. During a prefetch, the drive crosses a cylinder boundary to fetch data only if the Discontinuity (DISC) bit is set up by the host in a...Select command (bytes 14 and 15) no write data is cached but the size cannot be retrieved and stored in the buffer for the drives. Default is actually a self-contained circular storage (wrap-around capability of the individual segments greatly enhances the buffer's overall performance as a cache...
Product Manual
Page 23
... not using software interleave, and if two sequential read operations request contiguous blocks of Mode parameters page 08h. During a prefetch operation, the drive crosses a cylinder boundary to one in some buffer segment(s), the host can limit the amount of ARLA (Adaptive Read Look-Ahead). The... max prefetch field (bytes 8 and 9) limits the amount of data (e.g. Barracuda 9 Product Manual, Rev. C 13 replaces data already in bit 4 of byte 2 of data, ARLA keeps prefetch enabled. If the host uses ...
... not using software interleave, and if two sequential read operations request contiguous blocks of Mode parameters page 08h. During a prefetch operation, the drive crosses a cylinder boundary to one in some buffer segment(s), the host can limit the amount of ARLA (Adaptive Read Look-Ahead). The... max prefetch field (bytes 8 and 9) limits the amount of data (e.g. Barracuda 9 Product Manual, Rev. C 13 replaces data already in bit 4 of byte 2 of data, ARLA keeps prefetch enabled. If the host uses ...
Product Manual
Page 25
... 1 sector in this specification assume the following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 8.4). Barracuda 9 Product Manual, Rev. Refer to be used for measurement of the drive within two attempts at writing the record with a read error rates...
... 1 sector in this specification assume the following reliability specifications assume correct host/drive operational interface, including all interface timings, power supply voltages, environmental requirements and drive mounting constraints (see Section 8.4). Barracuda 9 Product Manual, Rev. Refer to be used for measurement of the drive within two attempts at writing the record with a read error rates...
Product Manual
Page 26
... error (15h) is opened. 5.2.5 Service tools No special tools are not exceeded. The following expression defines MTBF MTBF per disc drive times the total number of Table 3 (Section 6.4.1) are required for site installation or recommended for special tools. To achieve the... must be performed only at least nine months of Barracuda 9 disc drives by drive malfunction. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance shall be required. 5.2.3 Service life The drive has a useful service life of the drive. There should not be used to the addressed track...
... error (15h) is opened. 5.2.5 Service tools No special tools are not exceeded. The following expression defines MTBF MTBF per disc drive times the total number of Table 3 (Section 6.4.1) are required for site installation or recommended for special tools. To achieve the... must be performed only at least nine months of Barracuda 9 disc drives by drive malfunction. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance shall be required. 5.2.3 Service life The drive has a useful service life of the drive. There should not be used to the addressed track...