Product Manual
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C vii Figure 1. Figure 4b. Figure 8. Figure 12. Figure 14. 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 ..." 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 drives 53 Physical interface for "W" and "WD" model drives (68-pin J1 SCSI I/O connector 54 Physical ...
C vii Figure 1. Figure 4b. Figure 8. Figure 12. Figure 14. 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 ..." 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 drives 53 Physical interface for "W" and "WD" model drives (68-pin J1 SCSI I/O connector 54 Physical ...
Product Manual
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... parts. Barracuda 9 drives use a dedicated landing zone at the innermost radius of the media to provide high performance, high capacity data storage for an exploded view of Seagate SCSI drives. Air circulates within the HDA through a nonreplaceable filter to the drive and the head load process begins. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit...
... parts. Barracuda 9 drives use a dedicated landing zone at the innermost radius of the media to provide high performance, high capacity data storage for an exploded view of Seagate SCSI drives. Air circulates within the HDA through a nonreplaceable filter to the drive and the head load process begins. differentiating features Model number ST19171N ST19171W ST19171WD ST19171WC ST19171DC I/O circuit...
Product Manual
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Barracuda 9 Product Manual, Rev. C ST19171N Drives 1 4 25 ST19171DC Drives 1 4 2 DYKX 3 ST19171WD Drives 1 4 2 XYJX 3 ST19171WC Drives 1 4 2 2 3 FYJX ST19171W Drives 1 4 3 HYJX 2 GYJX 3 2.00" HDA Temp. 1.00" Check Point Figure 4a. Location of PCB components listed in Table 3
Barracuda 9 Product Manual, Rev. C ST19171N Drives 1 4 25 ST19171DC Drives 1 4 2 DYKX 3 ST19171WD Drives 1 4 2 XYJX 3 ST19171WC Drives 1 4 2 2 3 FYJX ST19171W Drives 1 4 3 HYJX 2 GYJX 3 2.00" HDA Temp. 1.00" Check Point Figure 4a. Location of PCB components listed in Table 3
Product Manual
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C ST19171DC Drives 1 4 2 ABAJ 3 ST19171WD Drives 1 4 2 EBAJ 3 ST19171WC Drives 1 4 2 2 3 CBAJ ST19171W Drives 1 4 3 DBAJ 2 BBAJ 3 2.00" HDA Temp. 1.00" Check Point Figure 4b. Location of PCB components listed in Table 3 26 ST19171N Drives 1 4 Barracuda 9 Product Manual, Rev.
C ST19171DC Drives 1 4 2 ABAJ 3 ST19171WD Drives 1 4 2 EBAJ 3 ST19171WC Drives 1 4 2 2 3 CBAJ ST19171W Drives 1 4 3 DBAJ 2 BBAJ 3 2.00" HDA Temp. 1.00" Check Point Figure 4b. Location of PCB components listed in Table 3 26 ST19171N Drives 1 4 Barracuda 9 Product Manual, Rev.
Product Manual
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Do not install jumpers on these pins. ST19171WC/DC option select jumper connectors Pin 1 J2 Pin 2 R RR R E D MW P E E E SSEPDSS S [5] [5] [3] Pin 1 J2 C Drive Front Jumper Plug (enlarged to show detail) Pin 1 J6 [4] Pin 1 SCSI ID = 0 (default) SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 ... The shaded pins are shipped with a cover installed. Retain the cover unless you install a 20-pin plug. 38 Barracuda 9 Product Manual, Rev. ST19171WC/DC Delay Motor Start Enable Motor Start Write Protect Disable SCSI Parity Reserved J2 Jumper (enlarged to show detail) J6...
Do not install jumpers on these pins. ST19171WC/DC option select jumper connectors Pin 1 J2 Pin 2 R RR R E D MW P E E E SSEPDSS S [5] [5] [3] Pin 1 J2 C Drive Front Jumper Plug (enlarged to show detail) Pin 1 J6 [4] Pin 1 SCSI ID = 0 (default) SCSI ID = 1 SCSI ID = 2 SCSI ID = 3 SCSI ID = 4 ... The shaded pins are shipped with a cover installed. Retain the cover unless you install a 20-pin plug. 38 Barracuda 9 Product Manual, Rev. ST19171WC/DC Delay Motor Start Enable Motor Start Write Protect Disable SCSI Parity Reserved J2 Jumper (enlarged to show detail) J6...
Product Manual
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... Key With Strain Relief, With Center Key Open-end (in cable middle section for ST19171W and ST19171WD models Use a non-shielded 68-conductor cable connector consisting of two rows of...or in daisy-chain) [1] [1] See Figure 16. C 57 9.6.4 Mating connectors Part numbers for ST19171WC and ST19171DC models Use a non-shielded 80-conductor connector consisting of two rows of 25 male ... on the 80-conductor interface were not intended to the drive. The length and size of 25 female contacts with this connector. Barracuda 9 Product Manual, Rev. Recommended mating wide connector part...
... Key With Strain Relief, With Center Key Open-end (in cable middle section for ST19171W and ST19171WD models Use a non-shielded 68-conductor cable connector consisting of two rows of...or in daisy-chain) [1] [1] See Figure 16. C 57 9.6.4 Mating connectors Part numbers for ST19171WC and ST19171DC models Use a non-shielded 80-conductor connector consisting of two rows of 25 male ... on the 80-conductor interface were not intended to the drive. The length and size of 25 female contacts with this connector. Barracuda 9 Product Manual, Rev. Recommended mating wide connector part...
Product Manual
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C Table 16: Wide, single connector, single-ended signal/contact assignments for ST19171WC drives Signal name [1] +12 V +12 V +12 V +12 V NC [10] NC [10] -DB11 -DB10 -DB9 -DB8 -I/O -REQ -C/D -SEL -MSG -RST -ACK -BSY -ATN -DBP -DB7 -DB6 -DB5 -... GND GND GND GND GND GND GND GND GND GND GND MATED 2 5 V GND 5 V GND LEDC [4] [9] DLYDST [6] [9] SCSIA1 [7] [9] SCSIA3 [7] [9] Notes [ ]: See page following Table 17. 66 Barracuda 9 Product Manual, Rev.
C Table 16: Wide, single connector, single-ended signal/contact assignments for ST19171WC drives Signal name [1] +12 V +12 V +12 V +12 V NC [10] NC [10] -DB11 -DB10 -DB9 -DB8 -I/O -REQ -C/D -SEL -MSG -RST -ACK -BSY -ATN -DBP -DB7 -DB6 -DB5 -... GND GND GND GND GND GND GND GND GND GND GND MATED 2 5 V GND 5 V GND LEDC [4] [9] DLYDST [6] [9] SCSIA1 [7] [9] SCSIA3 [7] [9] Notes [ ]: See page following Table 17. 66 Barracuda 9 Product Manual, Rev.
Product Manual
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...) = 1.9 V minimum (signal false); Barracuda 9 Product Manual, Rev. Single-ended circuits use an ANSI SCSI compatible open collector, three state drivers. Differential I/O drives are required. This means some method of...-ended driver and receiver circuits are open collector single-ended driver. ST19171WC and ST19171DC models use single-ended interface signals. Vihys (Input Hysteresis...ended drives use differential interface signals and each of these models can be terminated at each differential pair. C 69 9.7 Electrical description ST19171N and ST19171W models...
...) = 1.9 V minimum (signal false); Barracuda 9 Product Manual, Rev. Single-ended circuits use an ANSI SCSI compatible open collector, three state drivers. Differential I/O drives are required. This means some method of...-ended driver and receiver circuits are open collector single-ended driver. ST19171WC and ST19171DC models use single-ended interface signals. Vihys (Input Hysteresis...ended drives use differential interface signals and each of these models can be terminated at each differential pair. C 69 9.7 Electrical description ST19171N and ST19171W models...
Product Manual
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... because no conductors in an LSI module that is required. Note. 72 Barracuda 9 Product Manual, Rev. C 9.8 Terminator requirements ST19171N and ST19171W drives Internal disc drive I/O termination consists of the SCSI bus with ANSI SCSI-2 standard alternative 2 (active) termination. ST19171WC and ST19171DC drives SCA connector drives do not have the host adaptor or other peripherals on the same...
... because no conductors in an LSI module that is required. Note. 72 Barracuda 9 Product Manual, Rev. C 9.8 Terminator requirements ST19171N and ST19171W drives Internal disc drive I/O termination consists of the SCSI bus with ANSI SCSI-2 standard alternative 2 (active) termination. ST19171WC and ST19171DC drives SCA connector drives do not have the host adaptor or other peripherals on the same...
Product Manual
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... interleave 6, 9 intermediate/condition met/good status 51 79 intermediate/good status 51 internal data rate 9 internal drive characteristics 9 IP bit supported 44 J J1-auxiliary 35 jumper 7, 35, 39 jumper connectors 35 ST19171N 36 ST19171W/WD 37 ST19171WC/DC 38 jumper function description 40 jumper header 39 jumper plug 35 jumper settings page 44... parameters 47 mode select command 45 mode sense command 45, 47, 49 modify data pointer SCSI message 43 motor start option 11 mounting 6, 28, 42 Barracuda 9 Product Manual, Rev.
... interleave 6, 9 intermediate/condition met/good status 51 79 intermediate/good status 51 internal data rate 9 internal drive characteristics 9 IP bit supported 44 J J1-auxiliary 35 jumper 7, 35, 39 jumper connectors 35 ST19171N 36 ST19171W/WD 37 ST19171WC/DC 38 jumper function description 40 jumper header 39 jumper plug 35 jumper settings page 44... parameters 47 mode select command 45 mode sense command 45, 47, 49 modify data pointer SCSI message 43 motor start option 11 mounting 6, 28, 42 Barracuda 9 Product Manual, Rev.