Seagate ST318438LW, ST318418N, ST336938LW, ST336918N manual Condition/features supported

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Barracuda 36ES2 Product Manual, Rev. B

55

9.4SCSI bus conditions and miscellaneous features supported

Asynchronous SCSI bus conditions supported by the drive are listed below. These conditions cause the SCSI device to perform certain actions and can alter the SCSI bus phase sequence. Other miscellaneous operating features supported are also listed here. Refer to the SCSI Interface Product Manual, part number 75789509, for details.

Table 10:

SCSI bus conditions and other miscellaneous features

Condition/features supported:

 

 

 

Supported

 

Conditions or feature

 

 

 

 

 

 

Y

 

50 and 68 pin interface connectors

 

 

 

Y

 

1 Mbyte data buffer

 

 

 

N

 

Active termination disabled via jumper

 

 

 

Y

 

Terminator power from drive power connector and to SCSI bus option

 

 

 

Y

 

Terminator power from drive power connector option

 

 

 

Y

 

Terminator power from SCSI bus pin 26 option

 

 

 

Y

 

Terminator power from SCSI I/O cable pin 26

 

 

 

Y

 

Active termination enabled (N models only)

 

 

 

N

 

Adaptive caching

 

 

 

Y

 

Adaptive read look-ahead

 

 

 

Y

 

Arbitrating system

 

 

 

Y

 

ASYNC burst rate of 5 Mbytes/sec.—single-ended

 

 

 

Y

 

Asynchronous data transfer

 

 

 

N

 

Asynchronous event notification

 

 

 

Y

 

Attention condition

 

 

 

Y

 

Audio video recovery scheme

 

 

 

N

 

Automatic adaptive cache (customer unique option)

 

 

 

Y

 

Capacity programming

 

 

 

Y

 

Command overhead less than 500 USEC, typ.

 

 

 

Y

 

Contingent allegiance condition

 

 

 

Y

 

Deferred error handling

 

 

 

Y

 

Delayed motor start

 

 

 

Y

 

Disconnect/reconnect

 

 

 

Y

 

Embedded servo

 

 

 

Y

 

Firmware downloadable via SCSI interface

 

 

 

Y

 

Flag and link bits in control byte supported

 

 

 

Y

 

Format progress indication

 

 

 

Y

 

Full automatic read and write reallocation

 

 

 

Y

 

Hot plugging, with bus active

 

 

 

Y

 

Immediate status on Format Unit command

 

 

 

Y

 

Immediate status on Start/Stop command

 

 

 

Y

 

Immediate status on Synchronize cache

 

 

 

Y

 

Linked commands—customer unique options

 

 

 

Y

 

Low voltage differential SCSI (LVD)

 

 

 

Y

 

Motor start enable

 

 

 

Y

 

Multi-initiator

 

 

 

Y

 

Multi-mode drivers/receivers (single-ended/differential)

 

 

 

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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 requirementsBarracuda 36ES2 Product Manual, Rev. B Vii List of FiguresPage Barracuda 36ES2 family drive ST336938LW shown ScopeBarracuda 36ES2 Product Manual, Rev. B Applicable standards and reference documentation Taiwanese Bsmi Australian C-TickKorean MIC General description Media characteristics Standard featuresPerformance ReliabilityProgrammable drive capacity Factory installed accessoriesOptions factory installed Performance characteristics Prefetch/multi-segmented cache control Ultra2 Scsi Ultra160 ScsiStart/stop time Caching write data Cache operationPrefetch operation Barracuda 36ES2 Product Manual, Rev. B Reliability specifications Preventive maintenance Reliability and serviceService life Service philosophyControlling S.M.A.R.T 7 S.M.A.R.TReporting control Performance impactDetermining rate Predictive failuresDST Failure Definition State of the drive prior to testingImplementation Invoking DSTShort test Function Code 001b Product warrantyExtended test Function Code 010b Log page entriesProduct 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 Environmental limits TemperatureEffective altitude sea level Barracuda 36ES2 Product Manual, Rev. B Relative humidityShock and vibration ShockRecommended mounting Acoustics Air cleanlinessBarracuda 36ES2 Product Manual, Rev. B Vibration Dimension Table Mechanical specificationsMounting configuration dimensions Barracuda 36ES2 Product Manual, Rev. B Drive internal defects Defect and error managementDrive error recovery procedures Scsi systems errors Configure drive options InstallationFormatting Drive ID/option select headerDo 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 Grounding Barracuda 36ES2 Product Manual, Rev. B Drive mountingBarracuda 36ES2 Product Manual, Rev. B Scsi interface messages supported Interface requirementsScsi 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 C0hJumper 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 cable requirements Scsi interface physical descriptionMating connectors for N model drives Barracuda 36ES2 Product Manual, Rev. B Mating connectorsScsi 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 LVD output signals Input characteristicsReceiver characteristics Transmitter characteristicsSingle-ended drivers/receivers for N models Single-ended drivers/receivers for LW modelsLow voltage differential I/O circuits General cable characteristicsLW drives Terminator power DrivesTerminator requirements Page Following table provides drive activity LED status Drive activity LEDAutomated Services Seagate Technology support services Online ServicesPresales Support Technical SupportEuropean 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
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