Seagate ST318418N, ST318438LW, ST336938LW, ST336918N specs

58	Barracuda 36ES2 Product Manual, Rev. B
Pin	Power
1P	+12V
2P	+12V ret
3P	+ 5V ret
4P	+ 5V
J1
4P	3P	2P	1P

DC Power

Connector

Pin 1

Pin 1

J1

SCSI I/O Connector

J6

Figure 16. N model drive physical interface (50-pin SCSI I/O connector)

Image 68

Seagate ST318418N, ST318438LW, ST336938LW, ST336918N manual Model drive physical interface 50-pin Scsi I/O connector

Contents

Product Manual, Volume Page Product Manual, Volume Page Revision status summary sheet Revision Date Writer/Engineer Sheets AffectedPage Contents Defect and error management InstallationSeagate Technology support services Interface requirements List of Figures Barracuda 36ES2 Product Manual, Rev. B ViiPage Scope Barracuda 36ES2 family drive ST336938LW shown Barracuda 36ES2 Product Manual, Rev. B Applicable standards and reference documentation Taiwanese Bsmi Australian C-TickKorean MIC General description Standard features Media characteristicsPerformance Reliability Programmable drive capacity Factory installed accessoriesOptions factory installed Performance characteristics Prefetch/multi-segmented cache control Ultra2 Scsi Ultra160 ScsiStart/stop time Cache operation Caching write data Prefetch operation Barracuda 36ES2 Product Manual, Rev. B Reliability specifications Reliability and service Preventive maintenanceService life Service philosophy 7 S.M.A.R.T Controlling S.M.A.R.T Performance impact Reporting controlDetermining rate Predictive failures State of the drive prior to testing DST Failure DefinitionImplementation Invoking DST Product warranty Short test Function Code 001bExtended test Function Code 010b Log page entries Product repair and return information Barracuda 36ES2 Product Manual, Rev. B DC power requirements Physical/electrical specificationsAC power requirements 3 12 V Current profile Power sequencingConducted noise immunity +5 Volt Current during spindle start Typical Amper es Amps Power dissipation ST336938/ST318438 Barracuda 36ES2 Product Manual, Rev. B ST336918/ST318418 Temperature Environmental limits Barracuda 36ES2 Product Manual, Rev. B Relative humidity Effective altitude sea levelShock and vibration Shock Recommended mounting Acoustics Air cleanlinessBarracuda 36ES2 Product Manual, Rev. B Vibration Mechanical specifications Dimension Table Mounting configuration dimensions Barracuda 36ES2 Product Manual, Rev. B Drive internal defects Defect and error managementDrive error recovery procedures Scsi systems errors Installation Configure drive optionsFormatting 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 Air flow Drive orientationCooling Barracuda 36ES2 Product Manual, Rev. B Drive mounting Grounding Barracuda 36ES2 Product Manual, Rev. B Interface requirements Scsi interface messages supported Scsi interface commands supported Commands supported by Barracuda 36ES2 family drives Barracuda 36ES2 Product Manual, Rev. B Vendor ID Inquiry Vital Product data Unit serial number page 80hImplemented 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 Physical interface DC cable and connector2 REQ/ACK offset Model drive physical interface 50-pin Scsi I/O connector Pin Power Scsi interface physical description Scsi interface cable requirements Barracuda 36ES2 Product Manual, Rev. B Mating connectors Mating connectors for N model drives 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 Multimode-SE and LVD alternatives Multimode signalsElectrical description Input characteristics LVD output signals Transmitter characteristics Receiver characteristicsSingle-ended drivers/receivers for N models Single-ended drivers/receivers for LW models General cable characteristics Low voltage differential I/O circuits LW drives Terminator power DrivesTerminator requirements Page Drive activity LED Following table provides drive activity LED status Seagate Technology support services Online Services Automated ServicesPresales Support Technical Support European Support Services Customer Service CSOUSA/Canada/Latin America Support Services Call Center Toll-free Direct dial Africa/Middle East Support ServicesAsia/Pacific Support Services Barracuda 36ES2 Product Manual, Rev. B Index Diffsens LED PCB System chassis Barracuda 36ES2 Product Manual, Rev. B