Seagate ST318438LW, ST318418N, ST336938LW, ST336918N specs

Barracuda 36ES2 Product Manual, Rev. B

63

9.6.4.2Mating connectors for LW model drives

The nonshielded cable connector shall be a 68 conductor connector consisting of two rows of 34 male contacts with adjacent contacts 0.050 inch (1.27 mm) apart.

Recommended mating flat cable connector part numbers are:

Amp Model 786096-7 Female, 68-pin, panel mount

Amp Model 786090-7 Female, 68-pin, cable mount

Amp Model 749925-5 (50 mil conductor centers, 28 or 30 AWG wire)

Use two, 34 conductor, 50 mil center flat cable with this connector. This type connector can only be used on cable ends. [1]

Amp Model 88-5870-294-5 W/O Strain Relief (25 mil conductor centers, 30 AWG wire).

Use either on cable ends or in cable middle section for daisy-chain installations [1].

Amp Model 1-480420-0 Power connector 4 circuit housing

Berg 69307-01212-position, 2 x 6, 2 mm receptacle housing


[1] See Figure 21.

The drive device connector is a nonshielded 68 conductor connector consisting of two rows of 34 female pins with adjacent pins 50 mils apart. The connector is keyed by means of its shape (see Figure 20).

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Figure 20. Nonshielded 68 pin SCSI device connector used on LW drives

Image 73

Seagate ST318438LW, ST318418N, ST336938LW, ST336918N manual Nonshielded 68 pin Scsi device connector used on LW drives

Contents

Product Manual, Volume Page Product Manual, Volume Page Revision Date Writer/Engineer Sheets Affected Revision status summary sheetPage Contents Installation Defect and error managementSeagate Technology support services Interface requirements Barracuda 36ES2 Product Manual, Rev. B Vii List of FiguresPage Barracuda 36ES2 family drive ST336938LW shown Scope Barracuda 36ES2 Product Manual, Rev. B Applicable standards and reference documentation Korean MIC Australian C-TickTaiwanese Bsmi General description Media characteristics Standard featuresPerformance Reliability Options factory installed Factory installed accessoriesProgrammable drive capacity Performance characteristics Start/stop time Ultra2 Scsi Ultra160 ScsiPrefetch/multi-segmented cache control Caching write data Cache operation Prefetch operation Barracuda 36ES2 Product Manual, Rev. B Reliability specifications Preventive maintenance Reliability and serviceService life Service philosophy Controlling S.M.A.R.T 7 S.M.A.R.T Reporting control Performance impactDetermining rate Predictive failures DST Failure Definition State of the drive prior to testingImplementation Invoking DST Short test Function Code 001b Product warrantyExtended test Function Code 010b Log page entries Product repair and return information Barracuda 36ES2 Product Manual, Rev. B AC power requirements Physical/electrical specificationsDC power requirements Conducted noise immunity Power sequencing3 12 V Current profile +5 Volt Current during spindle start Typical Amper es Amps Power dissipation ST336938/ST318438 Barracuda 36ES2 Product Manual, Rev. B ST336918/ST318418 Environmental limits Temperature Effective altitude sea level Barracuda 36ES2 Product Manual, Rev. B Relative humidityShock and vibration Shock Recommended mounting Barracuda 36ES2 Product Manual, Rev. B Vibration Air cleanlinessAcoustics Dimension Table Mechanical specifications Mounting configuration dimensions Barracuda 36ES2 Product Manual, Rev. B Drive error recovery procedures Defect and error managementDrive internal defects Scsi systems errors Configure drive options InstallationFormatting Drive ID/option select header Do not install jumpers retain cover J6 jumper header for N model J5 jumper header on LW models only J2 option select header for LW models Barracuda 36ES2 Product Manual, Rev. B Barracuda 36ES2 Product Manual, Rev. B Function description Cooling Drive orientationAir flow Grounding Barracuda 36ES2 Product Manual, Rev. B Drive mounting Barracuda 36ES2 Product Manual, Rev. B Scsi interface messages supported Interface requirements Scsi interface commands supported Commands supported by Barracuda 36ES2 family drives Barracuda 36ES2 Product Manual, Rev. B Vendor ID Unit serial number page 80h Inquiry Vital Product dataImplemented operating definition page 81h Firmware numbers page C0h Jumper settings page C2h Mode Sense data DEF CHG Barracuda 36ES2 Product Manual, Rev. B Condition/features supported Supported Status supported 2 REQ/ACK offset DC cable and connectorPhysical interface Model drive physical interface 50-pin Scsi I/O connector Pin Power Scsi interface cable requirements Scsi interface physical description Mating connectors for N model drives Barracuda 36ES2 Product Manual, Rev. B Mating connectors Scsi daisy chain interface cabling for N drives Nonshielded 68 pin Scsi device connector used on LW drives Scsi daisy chain interface cabling for LW drives GND GND DBP1 +DBP1 Electrical description Multimode signalsMultimode-SE and LVD alternatives LVD output signals Input characteristics Receiver characteristics Transmitter characteristicsSingle-ended drivers/receivers for N models Single-ended drivers/receivers for LW models Low voltage differential I/O circuits General cable characteristics Terminator requirements Terminator power DrivesLW drives Page Following table provides drive activity LED status Drive activity LED Automated Services Seagate Technology support services Online ServicesPresales Support Technical Support USA/Canada/Latin America Support Services Customer Service CSOEuropean Support Services Asia/Pacific Support Services Africa/Middle East Support ServicesCall Center Toll-free Direct dial Barracuda 36ES2 Product Manual, Rev. B Index Diffsens LED PCB System chassis Barracuda 36ES2 Product Manual, Rev. B