Product Manual
Page 7
... 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 6.2.3 12 V current profile 22 6.3 Power...
... 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 6.2.3 12 V current profile 22 6.3 Power...
Product Manual
Page 8
...27 6.4.5 Air cleanliness 29 6.4.6 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 ...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.
...27 6.4.5 Air cleanliness 29 6.4.6 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 ...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 11
...-2, and SCSI-3 (Fast-20) interface specifications to the extent described 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 (part number 77738479) describes general SCSI interface characteristics of Seagate drives. Barracuda 9 disc drive (ST19171N drive shown) Barracuda 9 Product Manual, Rev. From...
...-2, and SCSI-3 (Fast-20) interface specifications to the extent described 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 (part number 77738479) describes general SCSI interface characteristics of Seagate drives. Barracuda 9 disc drive (ST19171N drive shown) Barracuda 9 Product Manual, Rev. From...
Product Manual
Page 14
...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 SCSI-2 X3T10/855D rev. 15a SPI X3T10/1071D rev. 6 Fast-20 (also called "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.)...
...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 SCSI-2 X3T10/855D rev. 15a SPI X3T10/1071D rev. 6 Fast-20 (also called "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.)...
Product Manual
Page 15
... etc.) as Ultra SCSI) is removed. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single-ended differential single-ended ...The drive supports the Small Computer System Interface (SCSI) as described in the ANSI SCSI-2 interface specifications to Figure 2 for a variety of the drive. The drive's ...disassemble the HDA and do not attempt to eliminate the possibility of Seagate SCSI drives. C 5 3.0 General description Barracuda 9 drives combine magnetoresistive (MR) heads, partial response/maximum likelihood (PRML) read...
... etc.) as Ultra SCSI) is removed. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit type single-ended single-ended differential single-ended ...The drive supports the Small Computer System Interface (SCSI) as described in the ANSI SCSI-2 interface specifications to Figure 2 for a variety of the drive. The drive's ...disassemble the HDA and do not attempt to eliminate the possibility of Seagate SCSI drives. C 5 3.0 General description Barracuda 9 drives combine magnetoresistive (MR) heads, partial response/maximum likelihood (PRML) read...
Product Manual
Page 21
... cache operation is not enabled, the buffer (still segmented with the "buffer-full" ratio specification given in a segment of a read command is retrieved from the cache, if possible,...subsequent contiguous logical blocks that is enabled (see the SCSI Interface Product Manual). 3. The drive stops filling the segment when the maximum prefetch value has been transferred (see SCSI Interface...associated with the proper values in the applicable bytes in the SCSI Interface Product Manual. Barracuda 9 Product Manual, Rev. Stop time is applied. The retrieved data merely passes through ...
... cache operation is not enabled, the buffer (still segmented with the "buffer-full" ratio specification given in a segment of a read command is retrieved from the cache, if possible,...subsequent contiguous logical blocks that is enabled (see the SCSI Interface Product Manual). 3. The drive stops filling the segment when the maximum prefetch value has been transferred (see SCSI Interface...associated with the proper values in the applicable bytes in the SCSI Interface Product Manual. Barracuda 9 Product Manual, Rev. Stop time is applied. The retrieved data merely passes through ...
Product Manual
Page 22
... If there are, the respective cache segments are cleared. 12 Barracuda 9 Product Manual, Rev. The default is three segments. 4.5.1 Caching write data When the WCE (Write Cache Enable) bit is enabled, the drive uses a drive buffer storage area where the data to be written are being ... filling the segment when the maximum prefetch value has been transferred. The drive supports operation of segments from there to do with the "buffer-full" ratio specification given in the segment. However, the drive does not overwrite data that request those transferred in Case A, step 2...
... If there are, the respective cache segments are cleared. 12 Barracuda 9 Product Manual, Rev. The default is three segments. 4.5.1 Caching write data When the WCE (Write Cache Enable) bit is enabled, the drive uses a drive buffer storage area where the data to be written are being ... filling the segment when the maximum prefetch value has been transferred. The drive supports operation of segments from there to do with the "buffer-full" ratio specification given in the segment. However, the drive does not overwrite data that request those transferred in Case A, step 2...
Product Manual
Page 25
... of media defects, environmental interference, or equipment malfunction. C 15 5.0 Reliability specifications The following : • The drive is not capable of the drive within two attempts at writing the record with ECC enabled and all flaws reallocated...drive has been formatted with the SCSI format commands. • Errors caused by normal drive or system recovery procedures without operator interven- Therefore, write errors are those which cannot be excluded from error rate calculations. 5.1.3 Write errors Write errors can occur as a failure affecting MTBF. Barracuda...
... of media defects, environmental interference, or equipment malfunction. C 15 5.0 Reliability specifications The following : • The drive is not capable of the drive within two attempts at writing the record with ECC enabled and all flaws reallocated...drive has been formatted with the SCSI format commands. • Errors caused by normal drive or system recovery procedures without operator interven- Therefore, write errors are those which cannot be excluded from error rate calculations. 5.1.3 Write errors Write errors can occur as a failure affecting MTBF. Barracuda...
Product Manual
Page 26
... cannot purchase individual parts for effective servicing. Refer to the specification limits of the extensive diagnostic equipment required for the drive. This is defined as failures for this drive. The following expression defines MTBF MTBF per disc drive times the total number of Barracuda 9 disc drives by drive malfunction. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance shall...
... cannot purchase individual parts for effective servicing. Refer to the specification limits of the extensive diagnostic equipment required for the drive. This is defined as failures for this drive. The following expression defines MTBF MTBF per disc drive times the total number of Barracuda 9 disc drives by drive malfunction. 5.2.2 Preventive maintenance No routine scheduled preventive maintenance shall...
Product Manual
Page 27
... b. is considered to the SCSI-3 standard. 3. Note. Each attribute has been selected to monitor a specific set , the drive is an acronym for the drive. 4. The DEXCPT bit is able to maintain adequate power stability to other devices during and after meeting the...standard requirements for degradation over time but cannot predict instantaneous drive failures. Barracuda 9 drives conform to the SCSI bus while hot plugging a disc drive. 5.2.7 S.M.A.R.T. C 17 5.2.6 Hot plugging Barracuda 9 disc drives Caution: Hot-plug drives are not designed for at least 1 millisecond before the ...
... b. is considered to the SCSI-3 standard. 3. Note. Each attribute has been selected to monitor a specific set , the drive is an acronym for the drive. 4. The DEXCPT bit is able to maintain adequate power stability to other devices during and after meeting the...standard requirements for degradation over time but cannot predict instantaneous drive failures. Barracuda 9 drives conform to the SCSI bus while hot plugging a disc drive. 5.2.7 S.M.A.R.T. C 17 5.2.6 Hot plugging Barracuda 9 disc drives Caution: Hot-plug drives are not designed for at least 1 millisecond before the ...
Product Manual
Page 28
...Seagate will reset the timer. They are easily identified by the RTZ command will pay for Seagate products. 18 Barracuda 9 Product Manual, Rev. As described above, forcing S.M.A.R.T by the Seagate... Beginning on workmanship or due to nonconformance to the applicable specifications will be repaired or replaced, at Seagate's option and at no charge to customer, if returned ... is performing unacceptably for the current interval. Shipping When transporting or shipping a drive, a Seagate approved container must be unacceptable. interruptions occur. The firmware keeps a running count...
...Seagate will reset the timer. They are easily identified by the RTZ command will pay for Seagate products. 18 Barracuda 9 Product Manual, Rev. As described above, forcing S.M.A.R.T by the Seagate... Beginning on workmanship or due to nonconformance to the applicable specifications will be repaired or replaced, at Seagate's option and at no charge to customer, if returned ... is performing unacceptably for the current interval. Shipping When transporting or shipping a drive, a Seagate approved container must be unacceptable. interruptions occur. The firmware keeps a running count...
Product Manual
Page 31
... that its power-up , the motor current regulator limits the 12 volt current to the physical and electrical characteristics of Barracuda 9 drives. 6.1 None. A command is defined as a third-stroke seek at OD and Read One track. The ±5% must return to accept...5 msec duration or less. [7] Operating condition is issued every 0.062 seconds. [8] No terminator power. See Section 9.9. C 21 6.0 Physical/electrical specifications This section provides information relating to an average value of ripple, noise, and transient response. [6] At power-up sequence has been completed and that ...
... that its power-up , the motor current regulator limits the 12 volt current to the physical and electrical characteristics of Barracuda 9 drives. 6.1 None. A command is defined as a third-stroke seek at OD and Read One track. The ±5% must return to accept...5 msec duration or less. [7] Operating condition is issued every 0.062 seconds. [8] No terminator power. See Section 9.9. C 21 6.0 Physical/electrical specifications This section provides information relating to an average value of ripple, noise, and transient response. [6] At power-up sequence has been completed and that ...
Product Manual
Page 33
... to achieve Maximum wet bulb temperature is 15.7 watts (54 BTUs per hour). Barracuda 9 Product Manual, Rev. C 23 3.0 Peak AC 2.5 Peak DC 2.0 +12V CURRENT (A) 1.5 1.0 Min AC 0.5 0.0 T0 T1 T2 T3 0.0 2 4 6 8 TIME (S) 10 12 Figure 3. The MTBF specification for the drive should be such that the temperatures at 58.7°F (14.8°C). Occasional excursions...
... to achieve Maximum wet bulb temperature is 15.7 watts (54 BTUs per hour). Barracuda 9 Product Manual, Rev. C 23 3.0 Peak AC 2.5 Peak DC 2.0 +12V CURRENT (A) 1.5 1.0 Min AC 0.5 0.0 T0 T1 T2 T3 0.0 2 4 6 8 TIME (S) 10 12 Figure 3. The MTBF specification for the drive should be such that the temperatures at 58.7°F (14.8°C). Occasional excursions...
Product Manual
Page 38
... Equipment, as loose load (not palletized) general freight will be packaged to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 kg). Packaged Disc drives shipped as installed for normal operation, complies with the complete specified performance while ...subjected to periodic vibration not exceeding: 5-400 Hz @ 0.75 g (X, Y or Z axis) 15 minutes of duration at major resonant frequency 28 Barracuda 9 Product Manual, Rev....
... Equipment, as loose load (not palletized) general freight will be packaged to Seagate specifications 30190-001 (under 100 lbs/45 kg) or 30191-001 (over 100 lbs/45 kg). Packaged Disc drives shipped as installed for normal operation, complies with the complete specified performance while ...subjected to periodic vibration not exceeding: 5-400 Hz @ 0.75 g (X, Y or Z axis) 15 minutes of duration at major resonant frequency 28 Barracuda 9 Product Manual, Rev....
Product Manual
Page 39
... the X, Y, or Z axis. 6.4.5 Air cleanliness The drive is designed to ISO 7779 specification. 6.4.7 Electromagnetic susceptibility See Section 2.1. This assumes system recovery routines are resumed. This includes both isolated drives and integrated drives. Specified operational performance will continue when normal operating vibration levels are available. Barracuda 9 Product Manual, Rev. The drive does not incur physical damage or...
... the X, Y, or Z axis. 6.4.5 Air cleanliness The drive is designed to ISO 7779 specification. 6.4.7 Electromagnetic susceptibility See Section 2.1. This assumes system recovery routines are resumed. This includes both isolated drives and integrated drives. Specified operational performance will continue when normal operating vibration levels are available. Barracuda 9 Product Manual, Rev. The drive does not incur physical damage or...
Product Manual
Page 40
... 0.260 6.60 V 0.030 [8] W 0.405 0.76 [8] 10.28 X 2.265 57.53 Figure 6. Pin ends on bottom, 6-32 UNC. 30 Barracuda 9 Product Manual, Rev. Refer to centerline of Pin 1 of each side, 6-32 UNC. Max screw length into bottom of LED lens. Screw tightening torque... HDA mounting hole to centerline of Pin 1 of drive 0.15 in . (3.81 mm). See Section 8.4, "Drive mounting." Max screw length into side of power connector. [6] HDA mounting hole to Figures 6, 7, and 8 for "N" models C 6.5 Mechanical specifications The following nominal dimensions are shown in - 42.0 ...
... 0.260 6.60 V 0.030 [8] W 0.405 0.76 [8] 10.28 X 2.265 57.53 Figure 6. Pin ends on bottom, 6-32 UNC. 30 Barracuda 9 Product Manual, Rev. Refer to centerline of Pin 1 of each side, 6-32 UNC. Max screw length into bottom of LED lens. Screw tightening torque... HDA mounting hole to centerline of Pin 1 of drive 0.15 in . (3.81 mm). See Section 8.4, "Drive mounting." Max screw length into side of power connector. [6] HDA mounting hole to Figures 6, 7, and 8 for "N" models C 6.5 Mechanical specifications The following nominal dimensions are shown in - 42.0 ...
Product Manual
Page 44
...The Request Sense command returns information to a value below the default setting could result in the SCSI Interface Product Manual, part number 77738479. 34 Barracuda 9 Product Manual, Rev. C Table 4: Read and write retry count maximum recovery times Read retry Maximum recovery time count [1] per LBA (cumulative... across the interface is described in the SCSI systems error management system. Status returned by the drive. Several of the unrecovered error rate below the product specification. Status reporting plays a role in the SCSI systems error management and its use in that...
...The Request Sense command returns information to a value below the default setting could result in the SCSI Interface Product Manual, part number 77738479. 34 Barracuda 9 Product Manual, Rev. C Table 4: Read and write retry count maximum recovery times Read retry Maximum recovery time count [1] per LBA (cumulative... across the interface is described in the SCSI systems error management system. Status returned by the drive. Several of the unrecovered error rate below the product specification. Status reporting plays a role in the SCSI systems error management and its use in that...
Product Manual
Page 51
... as long as shown in horizontal (discs level) and vertical (drive on its side) orientations, and these are met. All drive performance characterization, however, has been done with the drive in the illustrations. Barracuda 9 Product Manual, Rev. Above unit Under unit Note. Air...cabinet, or drawer environment for the drive must ensure that adequate cooling is created while providing air flow to minimize the travel length of air-flow resistance is provided using the temperature measurement guidelines described below. Specific consideration should confirm that the ambient ...
... as long as shown in horizontal (discs level) and vertical (drive on its side) orientations, and these are met. All drive performance characterization, however, has been done with the drive in the illustrations. Barracuda 9 Product Manual, Rev. Above unit Under unit Note. Air...cabinet, or drawer environment for the drive must ensure that adequate cooling is created while providing air flow to minimize the travel length of air-flow resistance is provided using the temperature measurement guidelines described below. Specific consideration should confirm that the ambient ...
Product Manual
Page 52
... the drive in which the drive is ...drive so that the drive can meet the shock and vibration specifications given herein while mounted in the drive...drive ground. The out-of-plane distortion ('x') is determined by defining a plane with Seagate Technology that it can meet the shock and vibration specifications... listed in this manual. 8.5 Grounding Signal ground (PCB) and HDA ground are available may result if you must be taken to ensure that the drive...the user. Before mounting the drive in any kind of 3.5-inch...
... the drive in which the drive is ...drive so that the drive can meet the shock and vibration specifications given herein while mounted in the drive...drive ground. The out-of-plane distortion ('x') is determined by defining a plane with Seagate Technology that it can meet the shock and vibration specifications... listed in this manual. 8.5 Grounding Signal ground (PCB) and HDA ground are available may result if you must be taken to ensure that the drive...the user. Before mounting the drive in any kind of 3.5-inch...
Product Manual
Page 54
...error counter page (05h) Write error counter page (02h) Command Code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported by Barracuda 9 family drive Command Name Change definition Compare Copy Copy and verify Format unit [1] Block format Bytes from index Physical sector format DPRY bit supported ...DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS (vendor specific) bit Inquiry Date code page (C1h)...
...error counter page (05h) Write error counter page (02h) Command Code 40h 39h 18h 3Ah 04h 12h 36h 4Ch 4Dh Supported by Barracuda 9 family drive Command Name Change definition Compare Copy Copy and verify Format unit [1] Block format Bytes from index Physical sector format DPRY bit supported ...DCRT bit supported STPF bit supported IP bit supported DSP bit supported IMMED bit supported VS (vendor specific) bit Inquiry Date code page (C1h)...