Product Manual
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... United States of America Printed in any form without written permission from Seagate Technology, Inc. C July 1997 Seagate, Seagate Technology, and the Seagate logo are either trademarks or registered trademarks of Seagate Technology, Inc. Barracuda, SeaFAX, SeaFONE, SeaNET, SeaTDD, and SeaBOARD are registered trademarks of Seagate Technology, Inc. All other trademarks or registered trademarks are the property...
... United States of America Printed in any form without written permission from Seagate Technology, Inc. C July 1997 Seagate, Seagate Technology, and the Seagate logo are either trademarks or registered trademarks of Seagate Technology, Inc. Barracuda, SeaFAX, SeaFONE, SeaNET, SeaTDD, and SeaBOARD are registered trademarks of Seagate Technology, Inc. All other trademarks or registered trademarks are the property...
Product Manual
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... 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
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... 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
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... 12. Figure 14. Figure 3. Figure 7. Figure 13. Figure 17. Figure 21. Figure 5. Figure 6. 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 in... 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" ...
... 12. Figure 14. Figure 3. Figure 7. Figure 13. Figure 17. Figure 21. Figure 5. Figure 6. 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 in... 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" ...
Product Manual
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...-20) interface specifications to the extent described in this manual. Barracuda 9™ disc drives. C 1 1.0 Scope This manual describes Seagate Technology®, Inc. Figure 1. Barracuda 9 disc drive (ST19171N drive shown) From this point on in this product manual the reference to Barracuda 9 models is referred to as "the drive" (unless references to individual models are necessary). The SCSI Interface...
...-20) interface specifications to the extent described in this manual. Barracuda 9™ disc drives. C 1 1.0 Scope This manual describes Seagate Technology®, Inc. Figure 1. Barracuda 9 disc drive (ST19171N drive shown) From this point on in this product manual the reference to Barracuda 9 models is referred to as "the drive" (unless references to individual models are necessary). The SCSI Interface...
Product Manual
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...compliance to minimize radiation when installed in the appropriate sections of this manual and the Seagate SCSI Interface Product Manual (volume 2), part number 77738479. The Barracuda 9 disc drive is a system peripheral developed to the directives/standard(s), we cannot guarantee that provides ...enclosure prior to meet the requirements provided in Section 8.4. 2.1 Standards The Barracuda 9 family complies with Seagate standards as noted in an enclosure that all systems will comply. The drive depends on its host equipment to provide adequate power and environment to achieve...
...compliance to minimize radiation when installed in the appropriate sections of this manual and the Seagate SCSI Interface Product Manual (volume 2), part number 77738479. The Barracuda 9 disc drive is a system peripheral developed to the directives/standard(s), we cannot guarantee that provides ...enclosure prior to meet the requirements provided in Section 8.4. 2.1 Standards The Barracuda 9 family complies with Seagate standards as noted in an enclosure that all systems will comply. The drive depends on its host equipment to provide adequate power and environment to achieve...
Product Manual
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... 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
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... number vs. Barracuda 9 drives use a dedicated landing zone at the innermost radius of the media to eliminate mechanical transducer adjustments and related reliability concerns. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single-ended differential single-ended ...drive supports the Small Computer System Interface (SCSI) as Ultra SCSI) is applied to service items in the sealed enclosure (heads, media, actuator, etc.) as this and other families of I /O connector pins 50 68 68 80 80 Number of Seagate SCSI drives...
... number vs. Barracuda 9 drives use a dedicated landing zone at the innermost radius of the media to eliminate mechanical transducer adjustments and related reliability concerns. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single-ended differential single-ended ...drive supports the Small Computer System Interface (SCSI) as Ultra SCSI) is applied to service items in the sealed enclosure (heads, media, actuator, etc.) as this and other families of I /O connector pins 50 68 68 80 80 Number of Seagate SCSI drives...
Product Manual
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... brake • Active IC terminators enabled by jumper ("N" and "W" models only) • 512 Kbyte data buffer (2 Mbyte data buffer available as an option). 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...
... brake • Active IC terminators enabled by jumper ("N" and "W" models only) • 512 Kbyte data buffer (2 Mbyte data buffer available as an option). 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...
Product Manual
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... of data tracks per sparing zone and the number of jumpers are formatted to the maximum capacity. 3.7 Factory installed accessories The Barracuda 9 Installation Guide, part number 83329020, is rounded down to have . See Table 5.2.1-13 in the number of LBAs is shipped... Parameter list block descriptor, number of approximately 3.5 inches (86 mm). User available capacity depends on the drive has a diameter of blocks field. Sector size selectable at format time. Barracuda 9 Product Manual, Rev. A value greater than maximum. C 7 3.2 Media characteristics The media used ...
... of data tracks per sparing zone and the number of jumpers are formatted to the maximum capacity. 3.7 Factory installed accessories The Barracuda 9 Installation Guide, part number 83329020, is rounded down to have . See Table 5.2.1-13 in the number of LBAs is shipped... Parameter list block descriptor, number of approximately 3.5 inches (86 mm). User available capacity depends on the drive has a diameter of blocks field. Sector size selectable at format time. Barracuda 9 Product Manual, Rev. A value greater than maximum. C 7 3.2 Media characteristics The media used ...
Product Manual
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... are planning to ship single units to provide maximum protection against transit damage. The drive normally ships in bulk packaging to your customers. • The Barracuda 9 Installation Guide, part number 83329020, is usually included with green rectangular LED lens...), part number 73501451. • Single-unit shipping pack. • Barracuda 9 Installation Guide, part number 83329020. 8 Barracuda 9 Product Manual, Rev. Units shipped individually require additional protection as provided by selecting other sparing schemes and sector...
... are planning to ship single units to provide maximum protection against transit damage. The drive normally ships in bulk packaging to your customers. • The Barracuda 9 Installation Guide, part number 83329020, is usually included with green rectangular LED lens...), part number 73501451. • Single-unit shipping pack. • Barracuda 9 Installation Guide, part number 83329020. 8 Barracuda 9 Product Manual, Rev. Units shipped individually require additional protection as provided by selecting other sparing schemes and sector...
Product Manual
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Refer to Section 9.10 and to all Barracuda 9 models unless otherwise specified. 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, ...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...
Refer to Section 9.10 and to all Barracuda 9 models unless otherwise specified. 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, ...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...
Product Manual
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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 bus ... under nominal conditions of temperature, voltage, and horizontal orientation as measured on a representative sample of the first sector transfer to or from the start of drives. Access data time = controller overhead + average seek time + latency. These access times do not include average rotational latency time. [3] Assumes no errors and no sector...
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 bus ... under nominal conditions of temperature, voltage, and horizontal orientation as measured on a representative sample of the first sector transfer to or from the start of drives. Access data time = controller overhead + average seek time + latency. These access times do not include average rotational latency time. [3] Assumes no errors and no sector...
Product Manual
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...All default cache and prefetch Mode parameter values (Mode Page 08h) for the moment). Barracuda 9 Product Manual, Rev. Prefetch and cache operation are already in a segment of this time the drive responds to the host. If the cache is not in many cases can be divided...remaining requested logical block addresses from the standpoint that are independent features from the disc and puts them in "cache" operations. The drive stops filling the segment when the maximum prefetch value has been transferred (see the SCSI Interface Product Manual). 3. After receiving the Motor...
...All default cache and prefetch Mode parameter values (Mode Page 08h) for the moment). Barracuda 9 Product Manual, Rev. Prefetch and cache operation are already in a segment of this time the drive responds to the host. If the cache is not in many cases can be divided...remaining requested logical block addresses from the standpoint that are independent features from the disc and puts them in "cache" operations. The drive stops filling the segment when the maximum prefetch value has been transferred (see the SCSI Interface Product Manual). 3. After receiving the Motor...
Product Manual
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... that are to 1 in Mode page 00h (byte 2, bit 1) is not reported by the drive, and if the "STRICT" bit in bit 4 of byte 2 of the cache. 1. DRA bit). 12 Barracuda 9 Product Manual, Rev. The wrap-around occurs), the length of which was written there at ...a "cache" operation "hit." When a write command is issued, the cache is first checked to be directly selected. DRA bit = 0 enables prefetch. The drive fetches the requested logical blocks from the buffer to fetch data only if the Discontinuity (DISC) bit is written into the beginning of segments setting...
... that are to 1 in Mode page 00h (byte 2, bit 1) is not reported by the drive, and if the "STRICT" bit in bit 4 of byte 2 of the cache. 1. DRA bit). 12 Barracuda 9 Product Manual, Rev. The wrap-around occurs), the length of which was written there at ...a "cache" operation "hit." When a write command is issued, the cache is first checked to be directly selected. DRA bit = 0 enables prefetch. The drive fetches the requested logical blocks from the buffer to fetch data only if the Discontinuity (DISC) bit is written into the beginning of segments setting...
Product Manual
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... the prefetch "ceiling" field (bytes 10 and 11). During a prefetch operation, the drive crosses a cylinder boundary to fetch more data only if the Discontinuity (DISC) bit is enabled (enabled by DRA = 0), it decides that a prefetch "hit" will not likely occur. Barracuda 9 Product Manual, Rev. The max prefetch field (bytes 8 and 9) limits the...
... the prefetch "ceiling" field (bytes 10 and 11). During a prefetch operation, the drive crosses a cylinder boundary to fetch more data only if the Discontinuity (DISC) bit is enabled (enabled by DRA = 0), it decides that a prefetch "hit" will not likely occur. Barracuda 9 Product Manual, Rev. The max prefetch field (bytes 8 and 9) limits the...
Product Manual
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Barracuda 9 Product Manual, Rev. An unrecoverable error, or condition, is defined as one that is considered acceptable if the drive does not generate an unrecoverable condition. tion. 5.1.2 Read errors Before determination or measurement of read error rates: • The data that : • is not detected and corrected by the drive...Unrecoverable write errors are excluded from error rate computations. C 15 5.0 Reliability specifications The following : • The drive is classified as a result of being written correctly on the media. • All media defect induced errors ...
Barracuda 9 Product Manual, Rev. An unrecoverable error, or condition, is defined as one that is considered acceptable if the drive does not generate an unrecoverable condition. tion. 5.1.2 Read errors Before determination or measurement of read error rates: • The data that : • is not detected and corrected by the drive...Unrecoverable write errors are excluded from error rate computations. C 15 5.0 Reliability specifications The following : • The drive is classified as a result of being written correctly on the media. • All media defect induced errors ...
Product Manual
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... is required to Section 5.1.1.2 of SCSI Interface Product Manual (part number 77738479). 5.2 Reliability and service You can enhance the reliability 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 Table 3 (Section 6.4.1) are classified as a failure of the...
... is required to Section 5.1.1.2 of SCSI Interface Product Manual (part number 77738479). 5.2 Reliability and service You can enhance the reliability 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 Table 3 (Section 6.4.1) are classified as a failure of the...