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... 28 Barracuda 4LP family drive ID select header for models "N 32 Barracuda 4LP family drive ID select for models "W," "WC," "WD," and "DC 33 Barracuda 4LP family drive ID select header J1-auxiliary for models "W" and "WD" (J1-Auxiliary Pins 1A - 12A 34 Barracuda 4LP family drive option select header for models "N," "W," and "WD 35 Barracuda 4LP family drive option select header for models "WC...
... 28 Barracuda 4LP family drive ID select header for models "N 32 Barracuda 4LP family drive ID select for models "W," "WC," "WD," and "DC 33 Barracuda 4LP family drive ID select header J1-auxiliary for models "W" and "WD" (J1-Auxiliary Pins 1A - 12A 34 Barracuda 4LP family drive option select header for models "N," "W," and "WD 35 Barracuda 4LP family drive option select header for models "WC...
Product Manual
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...Barracuda 4LP family drive Barracuda 4LP Product Manual, Rev. Barracuda 4LP™ disc drives. Barracuda 4LP drives support the small computer system interface (SCSI) as described in the ANSI SCSI, SCSI-2, and SCSI-3 (Fast-20) interface specifications to the extent described in this manual. From this point on in this product manual the reference to Barracuda 4LP models... is referred to as "the drive" (unless references to individual models are necessary). . * *Model "N" version with 50 pin SCSI I/O connector Figure ...
...Barracuda 4LP family drive Barracuda 4LP Product Manual, Rev. Barracuda 4LP™ disc drives. Barracuda 4LP drives support the small computer system interface (SCSI) as described in the ANSI SCSI, SCSI-2, and SCSI-3 (Fast-20) interface specifications to the extent described in this manual. From this point on in this product manual the reference to Barracuda 4LP models... is referred to as "the drive" (unless references to individual models are necessary). . * *Model "N" version with 50 pin SCSI I/O connector Figure ...
Product Manual
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... Marking for the European Union If this Seagate model complies to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this Manual and the Seagate SCSI Interface Manual, part number 77738479 (Vol. 2). The Barracuda 4LP disc drive is a UL recognized component per UL1950, CSA...
... Marking for the European Union If this Seagate model complies to Subpart B of Part 15 of the FCC Rules and Regulations nor the Radio Interference Regulations of the Canadian Department of this Manual and the Seagate SCSI Interface Manual, part number 77738479 (Vol. 2). The Barracuda 4LP disc drive is a UL recognized component per UL1950, CSA...
Product Manual
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...Barracuda 4LP Product Manual, Rev. D Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Installation Guide Seagate P/N 77767492 SCSI Interface Manual Seagate... Disk Drives Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N ...
...Barracuda 4LP Product Manual, Rev. D Australian C-Tick If this model has the C-Tick Marking it complies with the Australia/New Zealand Standard AS/NZS3548 1995 and meets the Electromagnetic Compatibility (EMC) Framework requirements of Australia's Spectrum Management Agency (SMA). 2.3 Reference documents Installation Guide Seagate P/N 77767492 SCSI Interface Manual Seagate... Disk Drives Package Test Specification Seagate P/N 30190-001 (under 100 lb.) Package Test Specification Seagate P/N 30191-001 (over 100 lb.) Specification, Acoustic Test Requirements, and Procedures Seagate P/N ...
Product Manual
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...Seagate SCSI drives. This transfer rate will occur only if your host adapter also supports Fast-20 data transfer rates. Table 1 lists the features that differentiate the various Barracuda 4LP SCSI-3 Fast-20 (Ultra SCSI) models. differentiating features Model number Number of Heads I/O circuit type Number of I /O data bus bits ST34371N... network servers, mainframes, and supercomputers. Table 1: Drive model number vs. The drive supports the Small Computer System Interface (SCSI) as Ultra SCSI) is a negotiated transfer rate. Barracuda 4LP Product Manual, Rev. Fast-20 (also ...
...Seagate SCSI drives. This transfer rate will occur only if your host adapter also supports Fast-20 data transfer rates. Table 1 lists the features that differentiate the various Barracuda 4LP SCSI-3 Fast-20 (Ultra SCSI) models. differentiating features Model number Number of Heads I/O circuit type Number of I /O data bus bits ST34371N... network servers, mainframes, and supercomputers. Table 1: Drive model number vs. The drive supports the Small Computer System Interface (SCSI) as Ultra SCSI) is a negotiated transfer rate. Barracuda 4LP Product Manual, Rev. Fast-20 (also ...
Product Manual
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... aluminum substrate is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "WC" and "DC" model drives • SCAM (SCSI Configured AutoMagically) plug-n-play level 1 compliant as shipped. D 7 3.1 Standard features The Barracuda 4LP Family has the following standard features: • Integrated SCSI controller • Single-ended or differential SCSI drivers...
... aluminum substrate is coated with a thin film magnetic material, overcoated with a proprietary protective layer for "WC" and "DC" model drives • SCAM (SCSI Configured AutoMagically) plug-n-play level 1 compliant as shipped. D 7 3.1 Standard features The Barracuda 4LP Family has the following standard features: • Integrated SCSI controller • Single-ended or differential SCSI drivers...
Product Manual
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...drive shipped, but extra copies may be ordered. • Level 2 SCAM compliance. 3.9 Accessories (user installed) The following table shows the standard OEM model capacities: ST34371 ST32171 ST34571 ST32271 Formatted [1] Data Block Size 512 Byte/Sector 4.35 GB [2] 2.16 GB [2] 4.55 GB [2] 2.26 GB [2] Unformatted 5.31 GB 2.65 GB 5.54 GB 2.77 GB...than those listed. All accessories may modify the data block size before shipping. 8 Barracuda 4LP Product Manual, Rev. The drive is rounded down to provide maximum protection against transit damage. Units shipped individually require ...
...drive shipped, but extra copies may be ordered. • Level 2 SCAM compliance. 3.9 Accessories (user installed) The following table shows the standard OEM model capacities: ST34371 ST32171 ST34571 ST32271 Formatted [1] Data Block Size 512 Byte/Sector 4.35 GB [2] 2.16 GB [2] 4.55 GB [2] 2.26 GB [2] Unformatted 5.31 GB 2.65 GB 5.54 GB 2.77 GB...than those listed. All accessories may modify the data block size before shipping. 8 Barracuda 4LP Product Manual, Rev. The drive is rounded down to provide maximum protection against transit damage. Units shipped individually require ...
Product Manual
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... notes for additional timing details. 4.2.1 Access time [8] Average - D 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 Peak Bits/Inch Internal Data ...Section 4.2 are listed at end of the Barracuda 4LP family unless otherwise specified. Typical [3] Max. [2] 2.0 2.1 2.2 2.3 Full Stroke - Barracuda 4LP Product Manual, Rev. Typical [3] Max. [2] Including Controller Overhead (without disconnect) [1] [4] Drive Level Read ms 9.4 10.8 Write 10...
... notes for additional timing details. 4.2.1 Access time [8] Average - D 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 Peak Bits/Inch Internal Data ...Section 4.2 are listed at end of the Barracuda 4LP family unless otherwise specified. Typical [3] Max. [2] 2.0 2.1 2.2 2.3 Full Stroke - Barracuda 4LP Product Manual, Rev. Typical [3] Max. [2] Including Controller Overhead (without disconnect) [1] [4] Drive Level Read ms 9.4 10.8 Write 10...
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...Barracuda 4LP Product Manual, Rev. Read/write consecutive sectors on a track Flaw reallocation performance impact (for flaws reallocated at format time using the spare sectors per sparing region reallocation scheme.) Overhead time for head switch (512 byte sectors) in sequential mode Overhead time for fast SCSI-2: (16 bit data bus models... SCSI Fast-20 (Ultra SCSI): (8 bit data bus models) Synchronous transfer rate for SCSI Fast-20 (Ultra SCSI): (16 bit data bus models) Synchronous transfer rate for fast SCSI-2: (8 bit data bus models) Synchronous transfer rate for one 512-byte sector): Min....
...Barracuda 4LP Product Manual, Rev. Read/write consecutive sectors on a track Flaw reallocation performance impact (for flaws reallocated at format time using the spare sectors per sparing region reallocation scheme.) Overhead time for head switch (512 byte sectors) in sequential mode Overhead time for fast SCSI-2: (16 bit data bus models... SCSI Fast-20 (Ultra SCSI): (8 bit data bus models) Synchronous transfer rate for SCSI Fast-20 (Ultra SCSI): (16 bit data bus models) Synchronous transfer rate for fast SCSI-2: (8 bit data bus models) Synchronous transfer rate for one 512-byte sector): Min....
Product Manual
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... 5% to 90% relative humidity with a maximum gradient of 10% per hour. a. Locations of PCB J1 PCB 2 Figure 4. Operating 5% to 95% relative humidity. b. D Model "WC/DC" PCB* U17 U13 U8 U5 U6 HDA Temp. Check Point .5" Model "N" PCB* U17 U13 U8 U5 U6 U14 U16 U19 U15 U7 U2 U1 U4 J1 PCB... 3 Model "W/WD" PCB* U17 U13 U8 U5 U6 U14 U16 U19 U15 U7 U2 U1 U4 U14 U16 U19 U15 U7 U2 U1 U4 J1 PCB 1 * Bottom side of PCB components listed in Table 3 6.4.2 Relative humidity The values below assume that no condensation on the drive occurs. 22 Barracuda 4LP Product...
... 5% to 90% relative humidity with a maximum gradient of 10% per hour. a. Locations of PCB J1 PCB 2 Figure 4. Operating 5% to 95% relative humidity. b. D Model "WC/DC" PCB* U17 U13 U8 U5 U6 HDA Temp. Check Point .5" Model "N" PCB* U17 U13 U8 U5 U6 U14 U16 U19 U15 U7 U2 U1 U4 J1 PCB... 3 Model "W/WD" PCB* U17 U13 U8 U5 U6 U14 U16 U19 U15 U7 U2 U1 U4 U14 U16 U19 U15 U7 U2 U1 U4 J1 PCB 1 * Bottom side of PCB components listed in Table 3 6.4.2 Relative humidity The values below assume that no condensation on the drive occurs. 22 Barracuda 4LP Product...
Product Manual
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Max screw length into bottom of drive 0.15 in . (3.81 mm). Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± ....T U 0.030 0.386 [8] 0.76 9.80 [8] V 2.265 57.53 W 2.075 52.71 Figure 6a. 26 Barracuda 4LP Product Manual, Rev. See Section 8.4, "Drive mounting." Max screw length into side of drive 0.15 in . (3.81 mm). Mounting configuration dimensions for Pin 1 of 0.12 in figure below. Screw tightening torque ... [2] Mounting holes four on each connector are nominal values. Refer to Pin 1 of pad for models "N"
Max screw length into bottom of drive 0.15 in . (3.81 mm). Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± ....T U 0.030 0.386 [8] 0.76 9.80 [8] V 2.265 57.53 W 2.075 52.71 Figure 6a. 26 Barracuda 4LP Product Manual, Rev. See Section 8.4, "Drive mounting." Max screw length into side of drive 0.15 in . (3.81 mm). Mounting configuration dimensions for Pin 1 of 0.12 in figure below. Screw tightening torque ... [2] Mounting holes four on each connector are nominal values. Refer to Pin 1 of pad for models "N"
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...Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in . (3.81 mm). Max screw length into side of drive 0.15 in . (1.02 mm). [4] Decorative front panel (optional). [5] Centerline of pad for Pin 1 of power connector. [6] Centerline of pad for...Pin 1 of J6. [7] Centerline of each side, 6-32 UNC. Mounting configuration dimensions for Pin 1 of J2. [8] Dimensions to Pin 1 of pad for models "W" and "WD" Barracuda 4LP Product Manual, Rev. Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± .010 101.60 ...
...Screw tightening torque 6.0 in-lb (.675 NM) max with minimum thread engagement of 0.12 in . (3.81 mm). Max screw length into side of drive 0.15 in . (1.02 mm). [4] Decorative front panel (optional). [5] Centerline of pad for Pin 1 of power connector. [6] Centerline of pad for...Pin 1 of J6. [7] Centerline of each side, 6-32 UNC. Mounting configuration dimensions for Pin 1 of J2. [8] Dimensions to Pin 1 of pad for models "W" and "WD" Barracuda 4LP Product Manual, Rev. Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± .010 101.60 ...
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... C [3] [4] G L [1] D F E A Notes: [1] Mounting holes three on J6 are nominally flush with end of drive within ±0.020 in -lb (.675 NM) max with the end of drive. Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± .010 101.60 ... "T" are nominal values. The interface connector location may extend beyond HDA dimension "A" by X. [9] Centerline of pad for models "WC" and "DC" 28 Barracuda 4LP Product Manual, Rev. Pin 1 [5] B Connector Centerline [8] X [3] Interface connector is flush with minimum thread engagement of J2.
... C [3] [4] G L [1] D F E A Notes: [1] Mounting holes three on J6 are nominally flush with end of drive within ±0.020 in -lb (.675 NM) max with the end of drive. Dimension Table Inches Millimeters A 5.74 ± .010 145.80 ± .25 B 4.00 ± .010 101.60 ... "T" are nominal values. The interface connector location may extend beyond HDA dimension "A" by X. [9] Centerline of pad for models "WC" and "DC" 28 Barracuda 4LP Product Manual, Rev. Pin 1 [5] B Connector Centerline [8] X [3] Interface connector is flush with minimum thread engagement of J2.
Product Manual
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...certain operating options. Suggested part number for default mode parameters if they are needed for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the drive and do need to host I/O signals on the connectors J2, J1-Auxiliary and ...Sections 9.8 and 9.9. • Set all appropriate option jumpers for all models. Only one or more partitions or logical drives to be enabled on J2 is shipped with any additionally purchased drive installation software. Barracuda 4LP Product Manual, Rev. If your system is "SCAM" (SCSI Configured...
...certain operating options. Suggested part number for default mode parameters if they are needed for Seagate support services telephone numbers. • Do not remove the manufacturer's installed labels from the drive and do need to host I/O signals on the connectors J2, J1-Auxiliary and ...Sections 9.8 and 9.9. • Set all appropriate option jumpers for all models. Only one or more partitions or logical drives to be enabled on J2 is shipped with any additionally purchased drive installation software. Barracuda 4LP Product Manual, Rev. If your system is "SCAM" (SCSI Configured...
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Do not install jumpers; Figure 7a. 32 Barracuda 4LP Product Manual, Rev. Do not connect anything to host supplied optional usage plug. Optional connections to switching circuits in Section 8.1.1. D Drive Front Jumper Plug (enlarged to show detail) Pin 1 J6 SCSI ID = 0 L RR ... Reserved Pins 11 9 7 5 3 1 642 Ground Drive Activity LED Shipped with cover installed. retain cover. Barracuda 4LP family drive ID select header for models "N" Notes for Figures 7a through 7e are in host equipment to establish drive ID. [4] [4] Dashed area is optional host circuitry (external...
Do not install jumpers; Figure 7a. 32 Barracuda 4LP Product Manual, Rev. Do not connect anything to host supplied optional usage plug. Optional connections to switching circuits in Section 8.1.1. D Drive Front Jumper Plug (enlarged to show detail) Pin 1 J6 SCSI ID = 0 L RR ... Reserved Pins 11 9 7 5 3 1 642 Ground Drive Activity LED Shipped with cover installed. retain cover. Barracuda 4LP family drive ID select header for models "N" Notes for Figures 7a through 7e are in host equipment to establish drive ID. [4] [4] Dashed area is optional host circuitry (external...
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.... [4] [4] Dashed area is optional host circuitry (external to the drive) connected to pins 13-20. Barracuda 4LP family drive ID select for models "W," "WC," "WD," and "DC" retain cover. Do not connect anything to host supplied optional usage plug. D 33 Drive Front Jumper Plug (enlarged to show detail) J6 [1] Pin 1 Reserved... SCSI ID = 13 SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [3] Reserved Pins 11 9 7 5 3 1 8 642 Ground [8] Drive Activity LED Shipped with cover installed. Figure 7b. Barracuda 4LP Product Manual, Rev. Do not install jumpers;
.... [4] [4] Dashed area is optional host circuitry (external to the drive) connected to pins 13-20. Barracuda 4LP family drive ID select for models "W," "WC," "WD," and "DC" retain cover. Do not connect anything to host supplied optional usage plug. D 33 Drive Front Jumper Plug (enlarged to show detail) J6 [1] Pin 1 Reserved... SCSI ID = 13 SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [3] Reserved Pins 11 9 7 5 3 1 8 642 Ground [8] Drive Activity LED Shipped with cover installed. Figure 7b. Barracuda 4LP Product Manual, Rev. Do not install jumpers;
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34 Barracuda 4LP Product Manual, Rev. D Drive HDA (rear view, PCB facing downward) Pin 1 J1-Auxiliary [1] [2] +5V Ground Pin 1A 4P 3P 2P 1P Pin 12A [2] J1-DC Power 68 Pin SCSI I/O ... 1, 3, 5, and 7 are optional connections to switching circuits in host equipment to host supplied optional usage plug. They are normally not grounded. Barracuda 4LP family drive ID select header J1-auxiliary for models "W" and "WD" (J1-Auxiliary Pins 1A - 12A) SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID...
34 Barracuda 4LP Product Manual, Rev. D Drive HDA (rear view, PCB facing downward) Pin 1 J1-Auxiliary [1] [2] +5V Ground Pin 1A 4P 3P 2P 1P Pin 12A [2] J1-DC Power 68 Pin SCSI I/O ... 1, 3, 5, and 7 are optional connections to switching circuits in host equipment to host supplied optional usage plug. They are normally not grounded. Barracuda 4LP family drive ID select header J1-auxiliary for models "W" and "WD" (J1-Auxiliary Pins 1A - 12A) SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID = 13 SCSI ID...
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... "W" only) Enable Motor Start Write Protect Parity Disable Term. Power from SCSI Bus (default - Barracuda 4LP Product Manual, Rev. Power from Drive *Additional notes on J2 without them falling off . Barracuda 4LP family drive option select header for models "N," "W," and "WD" Caution: Do not use J2 jumper plugs on J6 or J1Auxiliary, as the internal...
... "W" only) Enable Motor Start Write Protect Parity Disable Term. Power from SCSI Bus (default - Barracuda 4LP Product Manual, Rev. Power from Drive *Additional notes on J2 without them falling off . Barracuda 4LP family drive option select header for models "N," "W," and "WD" Caution: Do not use J2 jumper plugs on J6 or J1Auxiliary, as the internal...
Product Manual
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...possibilities available on "N," "WC," and "DC" model drives does not have connector J1-Auxiliary. Tie the minus side of driving >20mA. "Off" means no jumper is factory default condition. [2] The PCB on the different Barracuda 4LP model drives. [5] These signals are configured with series resistor ...built-in Section 8.1.2. See Table 13d and 13e. [6] Voltage supplied by the drive. [7] J1A Drive Activity LED-with a jumper on 80 pin J1. ...
...possibilities available on "N," "WC," and "DC" model drives does not have connector J1-Auxiliary. Tie the minus side of driving >20mA. "Off" means no jumper is factory default condition. [2] The PCB on the different Barracuda 4LP model drives. [5] These signals are configured with series resistor ...built-in Section 8.1.2. See Table 13d and 13e. [6] Voltage supplied by the drive. [7] J1A Drive Activity LED-with a jumper on 80 pin J1. ...
Product Manual
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... starts when Start Unit command received from host. WP (Applies to all models) Reserved jumper position. Off Drive is jumper installed. Off Drive checks for parity and reports result of parity checking to the drive's internal terminators (for Termpower. TP1 and TP2 "Position A" On Off (Applies...setting. Spindle Startup is delayed by the drive is write protected. TP2 TP1 Off Off On Off Off On On On (Does not apply to all models) On Entire drive is disabled. When drives have no WP jumper installed. 38 Barracuda 4LP Product Manual, Rev. Default is ...
... starts when Start Unit command received from host. WP (Applies to all models) Reserved jumper position. Off Drive is jumper installed. Off Drive checks for parity and reports result of parity checking to the drive's internal terminators (for Termpower. TP1 and TP2 "Position A" On Off (Applies...setting. Spindle Startup is delayed by the drive is write protected. TP2 TP1 Off Off On Off Off On On On (Does not apply to all models) On Entire drive is disabled. When drives have no WP jumper installed. 38 Barracuda 4LP Product Manual, Rev. Default is ...