Product Manual
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... LW model drives 63 9.7 Electrical description 68 9.7.1 Multimode-SE and LVD alternatives 68 9.7.1.1 Single-ended drivers/receivers for N models 70 9.7.1.2 Single-ended drivers/receivers for LW models 70 9.7.1.3 Low voltage differential I/O circuits 71 9.7.1.4 General cable characteristics 71 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 9.11 Drive activity LED 74 10.0 Seagate Technology...
... LW model drives 63 9.7 Electrical description 68 9.7.1 Multimode-SE and LVD alternatives 68 9.7.1.1 Single-ended drivers/receivers for N models 70 9.7.1.2 Single-ended drivers/receivers for LW models 70 9.7.1.3 Low voltage differential I/O circuits 71 9.7.1.4 General cable characteristics 71 9.8 Terminator requirements 72 9.9 Terminator power 72 9.10 Disc drive SCSI timing 73 9.11 Drive activity LED 74 10.0 Seagate Technology...
Product Manual
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Figure 6. Figure 8. Figure 15. Figure 18. Barracuda 36ES2 family drive (ST336938LW shown 1 Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile 22 Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile 23 ST336938/ST318438 DC current and power vs. B vii List of HDA... models 36 J6 jumper header for N model 37 J5 jumper header (on LW models only 38 J2 option select header (for LW models 39 J2 option select header (for N models 39 Air flow (suggested 42 N model drive physical interface (50-pin SCSI I/O connector 58 LW model drive ...
Figure 6. Figure 8. Figure 15. Figure 18. Barracuda 36ES2 family drive (ST336938LW shown 1 Typical ST336938/ST336918/ST318438/ST318418 drive +12 V current profile 22 Typical ST336938/ST336918/ST318438/ST318418 drive +5 V current profile 23 ST336938/ST318438 DC current and power vs. B vii List of HDA... models 36 J6 jumper header for N model 37 J5 jumper header (on LW models only 38 J2 option select header (for LW models 39 J2 option select header (for N models 39 Air flow (suggested 42 N model drive physical interface (50-pin SCSI I/O connector 58 LW model drive ...
Product Manual
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... Product Manual references information from the documents listed in this and other families of Seagate drives. Figure 1. B 1 1.0 Scope This manual describes Seagate Technology® LLC Barracuda® 36ES2 disc drives. From this point on in this product manual the reference to Barracuda 36ES2 models is referred to as described in the ANSI SCSI interface specifications to individual...
... Product Manual references information from the documents listed in this and other families of Seagate drives. Figure 1. B 1 1.0 Scope This manual describes Seagate Technology® LLC Barracuda® 36ES2 disc drives. From this point on in this product manual the reference to Barracuda 36ES2 models is referred to as described in the ANSI SCSI interface specifications to individual...
Product Manual
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...certified to VDE 0805 and EN60950. 2.1.1 Electromagnetic compatibility The drive, as a system peripheral to the highest standards of the drive serve to the system does not adversely affect the performance of this Seagate model complies to Subpart B of Part 15 of the FCC ...susceptibility As a component assembly, the drive is the user's responsibility to meet the requirements of Section 8.3. 2.1 Standards The Barracuda 36ES2 family complies with this Manual and the Seagate SCSI Interface Product Manual, part number 75789509. The drive depends upon its host equipment to provide...
...certified to VDE 0805 and EN60950. 2.1.1 Electromagnetic compatibility The drive, as a system peripheral to the highest standards of the drive serve to the system does not adversely affect the performance of this Seagate model complies to Subpart B of Part 15 of the FCC ...susceptibility As a component assembly, the drive is the user's responsibility to meet the requirements of Section 8.3. 2.1 Standards The Barracuda 36ES2 family complies with this Manual and the Seagate SCSI Interface Product Manual, part number 75789509. The drive depends upon its host equipment to provide...
Product Manual
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...Tick If this document takes precedence. This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model number): ST336938N, ST336918LW, ST318418N and ST318438LW. • Certificate number: ... Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Barracuda 36ES2 Installation Guide Seagate P/N 100182976 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ANSI Small Computer System Interface (SCSI) ...
...Tick If this document takes precedence. This drive has been tested and complies with the Electromagnetic Interference/Electromagnetic Susceptibility (EMI/EMS) for Class B products. • EUT name (model number): ST336938N, ST336918LW, ST318418N and ST318438LW. • Certificate number: ... Standards, Metrology, and Inspection (BSMI). 2.3 Reference documents Barracuda 36ES2 Installation Guide Seagate P/N 100182976 Safety and Regulatory Agency Specifications Seagate P/N 75789512 SCSI Interface Product Manual Seagate P/N 75789509 Applicable ANSI Small Computer System Interface (SCSI) ...
Product Manual
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... The drive's interface supports multiple initiators, disconnect/reconnect, and automatic features that differentiate the Barracuda 36ES2 models. The drive contains no replaceable parts. Barracuda 36ES2 drives decode ...Barracuda 36ES2 drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide SCSI Ultra160 interface to eliminate the possibility of Seagate SCSI drives... 16 2 Mbytes ST318418N 2 Single-ended (SE) 50 8 2 Mbytes [1] See Section 9.6 for a variety of I /O circuit type....
... The drive's interface supports multiple initiators, disconnect/reconnect, and automatic features that differentiate the Barracuda 36ES2 models. The drive contains no replaceable parts. Barracuda 36ES2 drives decode ...Barracuda 36ES2 drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide SCSI Ultra160 interface to eliminate the possibility of Seagate SCSI drives... 16 2 Mbytes ST318418N 2 Single-ended (SE) 50 8 2 Mbytes [1] See Section 9.6 for a variety of I /O circuit type....
Product Manual
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... inches (95 mm). B 3.1 Standard features The Barracuda 36ES2 family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers and receivers-single-ended (SE) and low voltage differential (LVD) • 16 bit I/O data bus on LW models. 8 bit I/O data bus on the drive has a diameter of queue • Supports...
... inches (95 mm). B 3.1 Standard features The Barracuda 36ES2 family has the following standard features: • Integrated Ultra160 SCSI controller • Multimode SCSI drivers and receivers-single-ended (SE) and low voltage differential (LVD) • 16 bit I/O data bus on LW models. 8 bit I/O data bus on the drive has a diameter of queue • Supports...
Product Manual
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... Users planning single unit distribution should specify this option. • The Barracuda 36ES2 Installation Guide, part number 100182976, is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on the number of ...drive shipped, but extra copies may modify the data block size before shipping. The following table shows the standard OEM model capacities: ST336938LW ST336918N ST318438LW ST318418N Formatted data block size 512 bytes/sector [1] 044D53B5h (36.954 GB) [2] 044D53B5h (36.954 GB) [2] 0251C800h (19.924 GB) [2] 0251C800h (19.924 GB...
... Users planning single unit distribution should specify this option. • The Barracuda 36ES2 Installation Guide, part number 100182976, is usually included with each standard OEM drive shipped, but extra copies may be ordered depending on the number of ...drive shipped, but extra copies may modify the data block size before shipping. The following table shows the standard OEM model capacities: ST336938LW ST336918N ST318438LW ST318418N Formatted data block size 512 bytes/sector [1] 044D53B5h (36.954 GB) [2] 044D53B5h (36.954 GB) [2] 0251C800h (19.924 GB) [2] 0251C800h (19.924 GB...
Product Manual
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...[5] Including controller overhead (without disconnect) [1] [3] 36 Gbyte Model Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Drive level Read Write msec 8.7 9.5 0.8 1.2 15.1 15.8 Not including controller overhead (without disconnect) [1] [3] Drive level Read 8.5 0.6 14.9 Write msec 9.3 1.0 15.6 18 Gbyte Model Average-Typical [2] 7.1 7.7 Single Track-Typical [2] 0.8 1.2 ... Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Barracuda 36ES2 family unless otherwise specified. 8 Barracuda 36ES2 Product Manual, Rev.
...[5] Including controller overhead (without disconnect) [1] [3] 36 Gbyte Model Average-Typical [2] Single Track-Typical [2] Full Stroke-Typical [2] Drive level Read Write msec 8.7 9.5 0.8 1.2 15.1 15.8 Not including controller overhead (without disconnect) [1] [3] Drive level Read 8.5 0.6 14.9 Write msec 9.3 1.0 15.6 18 Gbyte Model Average-Typical [2] 7.1 7.7 Single Track-Typical [2] 0.8 1.2 ... Minimum sector interleave 1 to 1 Data buffer transfer rate to all models of the Barracuda 36ES2 family unless otherwise specified. 8 Barracuda 36ES2 Product Manual, Rev.
Product Manual
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... , although using remote switches. Figures 13 and 14 show views of the drive ID select jumper connectors. Do not install these drives on the LW model). This is Molex 52747-0211 (Seagate part number 77679052). Drive default mode parameters are designed to power on single-ended (SE) or low... manuals for the system into which the drive is to Section 9.3.2 for the jumpers used only on . Barracuda 36ES2 Product Manual, Rev. Configure drive options For option jumper locations and definitions refer to set the drive SCSI ID and set the drive SCSI ID to make the new settings ...
... , although using remote switches. Figures 13 and 14 show views of the drive ID select jumper connectors. Do not install these drives on the LW model). This is Molex 52747-0211 (Seagate part number 77679052). Drive default mode parameters are designed to power on single-ended (SE) or low... manuals for the system into which the drive is to Section 9.3.2 for the jumpers used only on . Barracuda 36ES2 Product Manual, Rev. Configure drive options For option jumper locations and definitions refer to set the drive SCSI ID and set the drive SCSI ID to make the new settings ...
Product Manual
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... LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1] [5] Pin 1 Reserved LR E D E S A3 A2 A1A0 SCSI ID = 0 (default) SCSI ... SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [5] Reserved Pins 11 9 7 5 3 1 8 642 Ground Shipped with cover installed. J6 jumper header for LW models 36 Barracuda 36ES2 Product Manual, Rev. B Drive Front Jumper Plug (enlarged to pins 13-20.
... LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1] [5] Pin 1 Reserved LR E D E S A3 A2 A1A0 SCSI ID = 0 (default) SCSI ... SCSI ID = 14 SCSI ID = 15 [4] Host Alternate Usage Plug: +5V [6] [5] Reserved Pins 11 9 7 5 3 1 8 642 Ground Shipped with cover installed. J6 jumper header for LW models 36 Barracuda 36ES2 Product Manual, Rev. B Drive Front Jumper Plug (enlarged to pins 13-20.
Product Manual
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... LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1][5] Pin 1 SCSI ID = 0 L RR Reserved E D E S E S A2 A1 A0 (default)... 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 [4] Host Alternate Usage Plug: +5V [6] [5] [3] Reserved Pins 11 9 7 5 3 1 642 Ground Shipped with cover installed. B 37 Drive Front Jumper Plug (enlarged to pins 13-20. Figure 11. Barracuda 36ES2 Product Manual, Rev. Do not install jumpers; J6 jumper header for...
... LED [4] Dashed area is optional host circuitry (external to the drive) connected to host supplied optional usage plug. [5] Do not connect anything to show detail) J6 [1][5] Pin 1 SCSI ID = 0 L RR Reserved E D E S E S A2 A1 A0 (default)... 2 SCSI ID = 3 SCSI ID = 4 SCSI ID = 5 SCSI ID = 6 SCSI ID = 7 [4] Host Alternate Usage Plug: +5V [6] [5] [3] Reserved Pins 11 9 7 5 3 1 642 Ground Shipped with cover installed. B 37 Drive Front Jumper Plug (enlarged to pins 13-20. Figure 11. Barracuda 36ES2 Product Manual, Rev. Do not install jumpers; J6 jumper header for...
Product Manual
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.... They are optional connections to switching circuits in host equipment to host supplied optional usage plug. B Drive HDA (rear view, PCB facing downward) Pin 1 +5V Ground J5 Pin 1 [1] [2] 4P 3P 2P 1P [2] J1-DC Power 68 Pin SCSI I/O Connector J1 SCSI ID = 0 ... as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to read SCSI ID selected. J5 jumper header (on LW models only) Remote Switches Pins 2, 4, 6, and 8 are normally not grounded. 38 Barracuda 36ES2 Product Manual, Rev. SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID...
.... They are optional connections to switching circuits in host equipment to host supplied optional usage plug. B Drive HDA (rear view, PCB facing downward) Pin 1 +5V Ground J5 Pin 1 [1] [2] 4P 3P 2P 1P [2] J1-DC Power 68 Pin SCSI I/O Connector J1 SCSI ID = 0 ... as shown or connect a cable for 250 ms after a Reset or PWR ON to allow drive to read SCSI ID selected. J5 jumper header (on LW models only) Remote Switches Pins 2, 4, 6, and 8 are normally not grounded. 38 Barracuda 36ES2 Product Manual, Rev. SCSI ID = 10 SCSI ID = 11 SCSI ID = 12 SCSI ID...
Product Manual
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...Start Write Protect Parity Disable *Additional notes on these functions in section 8.1.2. J2 option select header (for N models) Power from Drive Term. Term. J2 option select header (for LW models) J2 Pin 1 RT T [1] Jumper Positions T D MW P E P P ESEPDS2 1 Terminator Enable... Enable Motor Start Write Protect Parity Disable Term. Power to SCSI Bus [3] (applies to 'LW' model only) J2 Jumper Plug (enlarged to SCSI Bus [3] *Additional notes on these functions in section 8.1.2. Power to show detail) J2 J6 Figure 14. Barracuda 36ES2 Product Manual, Rev.
...Start Write Protect Parity Disable *Additional notes on these functions in section 8.1.2. J2 option select header (for N models) Power from Drive Term. Term. J2 option select header (for LW models) J2 Pin 1 RT T [1] Jumper Positions T D MW P E P P ESEPDS2 1 Terminator Enable... Enable Motor Start Write Protect Parity Disable Term. Power to SCSI Bus [3] (applies to 'LW' model only) J2 Jumper Plug (enlarged to SCSI Bus [3] *Additional notes on these functions in section 8.1.2. Power to show detail) J2 J6 Figure 14. Barracuda 36ES2 Product Manual, Rev.
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..., J5, and J6 are given here and in Section 8.1.2. The drive provides an internal 150 ohm current limiting resistor for auxiliary connectors. [2] These signals are configured with a jumper on J1 I/O connector (J5, Pins 1-12). 40 Barracuda 36ES2 Product Manual, Rev. The term "default" means as standard ...connect anything to J5 pins 9 and 12 or J6 pins 13-20. [6] Connect an external Drive Activity LED to J6 pins 11 and 12 (see Figure 12) and the drives +5V power source, through 18 [1] Notes explaining the functions of the various jumpers on LC models does not have connector J5.
..., J5, and J6 are given here and in Section 8.1.2. The drive provides an internal 150 ohm current limiting resistor for auxiliary connectors. [2] These signals are configured with a jumper on J1 I/O connector (J5, Pins 1-12). 40 Barracuda 36ES2 Product Manual, Rev. The term "default" means as standard ...connect anything to J5 pins 9 and 12 or J6 pins 13-20. [6] Connect an external Drive Activity LED to J6 pins 11 and 12 (see Figure 12) and the drives +5V power source, through 18 [1] Notes explaining the functions of the various jumpers on LC models does not have connector J5.
Product Manual
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... power to use single-ended I /O only). Barracuda 36ES2 Product Manual, Rev. B 41 8.1.2 Function description J2 jumper installation Jumper function description TE (Applies only to the LW and N models) Off No terminator power is not write protected. SE (Applies only to the LW model) On Forces drive to the drive's internal terminators [2] (for Termpower. Delayed start...
... power to use single-ended I /O only). Barracuda 36ES2 Product Manual, Rev. B 41 8.1.2 Function description J2 jumper installation Jumper function description TE (Applies only to the LW and N models) Off No terminator power is not write protected. SE (Applies only to the LW model) On Forces drive to the drive's internal terminators [2] (for Termpower. Delayed start...
Product Manual
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... representing the eight digits of the product serial number. [ ]3 Bytes 18 through 25 reflect model of the product Firmware Release number. The table above shows hex values for all models are listed below: ST336918N 33 33 36 39 31 38 4E 20 ST318418N 33 31 38 34 31 38 4E 20 ST318438LW 33 31... 38 34 33 38 4C 57 [ ]5 Copyright Year - R# Four ASCII digits representing the last four digits of drive. changes with servo RAM and ROM release numbers. Table 6: Barracuda...
... representing the eight digits of the product serial number. [ ]3 Bytes 18 through 25 reflect model of the product Firmware Release number. The table above shows hex values for all models are listed below: ST336918N 33 33 36 39 31 38 4E 20 ST318418N 33 31 38 34 31 38 4E 20 ST318438LW 33 31... 38 34 33 38 4C 57 [ ]5 Copyright Year - R# Four ASCII digits representing the last four digits of drive. changes with servo RAM and ROM release numbers. Table 6: Barracuda...
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Vital Product data pages C3h, D1h, and D2h are not available at this time. Descriptions of their usage are supported vendor-specific pages. Barracuda 36ES2 Product Manual, Rev. B 51 Table 7: Vital product data pages (Continued) Byte Page Jumper settings page C2h 0 Peripheral qualifier/peripheral device type 1 Page code number 2 Reserved 3 Page length 4 SCSI ID, delayed motor start, motor start, write protect, parity enable 5 Terminator enable Supported Y C2 00 02 Y [1] [1] "N" models support Terminator Enable.
Vital Product data pages C3h, D1h, and D2h are not available at this time. Descriptions of their usage are supported vendor-specific pages. Barracuda 36ES2 Product Manual, Rev. B 51 Table 7: Vital product data pages (Continued) Byte Page Jumper settings page C2h 0 Peripheral qualifier/peripheral device type 1 Page code number 2 Reserved 3 Page length 4 SCSI ID, delayed motor start, motor start, write protect, parity enable 5 Terminator enable Supported Y C2 00 02 Y [1] [1] "N" models support Terminator Enable.
Product Manual
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... the SCSI Interface Product Manual, part number 75789509, for details. B 55 9.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are also listed here. Table 10: SCSI bus conditions and other miscellaneous features Condition/features supported: Supported Y Y N Y Y Y Y Y N Y Y... SCSI I/O cable pin 26 Active termination enabled (N models only) Adaptive caching Adaptive read and write reallocation Hot...-mode drivers/receivers (single-ended/differential) Barracuda 36ES2 Product Manual, Rev. These conditions cause the SCSI...
... the SCSI Interface Product Manual, part number 75789509, for details. B 55 9.4 SCSI bus conditions and miscellaneous features supported Asynchronous SCSI bus conditions supported by the drive are also listed here. Table 10: SCSI bus conditions and other miscellaneous features Condition/features supported: Supported Y Y N Y Y Y Y Y N Y Y... SCSI I/O cable pin 26 Active termination enabled (N models only) Adaptive caching Adaptive read and write reallocation Hot...-mode drivers/receivers (single-ended/differential) Barracuda 36ES2 Product Manual, Rev. These conditions cause the SCSI...
Product Manual
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... Product Manual, part number 75789509. 9.6.1 DC cable and connector N and LW model drives receive DC power through a 4 pin connector (see Figures 22 and 23 for pin assignments) mounted at the rear of Seagate drive interfaces are listed below, but equivalent parts may be used . Details of the... numbers of the mating connector are given in the SCSI Interface Product Manual, part number 75789509. Barracuda 36ES2 Product Manual, Rev. The data transfer period to be used by the drive and the initiator is 63 (3Fh). 9.6 Physical interface This section describes the connectors, cables,...
... Product Manual, part number 75789509. 9.6.1 DC cable and connector N and LW model drives receive DC power through a 4 pin connector (see Figures 22 and 23 for pin assignments) mounted at the rear of Seagate drive interfaces are listed below, but equivalent parts may be used . Details of the... numbers of the mating connector are given in the SCSI Interface Product Manual, part number 75789509. Barracuda 36ES2 Product Manual, Rev. The data transfer period to be used by the drive and the initiator is 63 (3Fh). 9.6 Physical interface This section describes the connectors, cables,...