Seagate ST3300655LC, ST3146855LC, ST3146855LW Typical ST3300655LW drive +12V LVD current profile

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Figure 1. Typical ST3300655LW drive +12V LVD current profile

Figure 2. Typical ST3300655LW drive +5 V LVD current profile

Cheetah 15K.5 SCSI Product Manual, Rev. J

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Contents Cheetah 15K.5 Scsi Page Contents Installation Defect and error managementInterface requirements List of Figures Page Seagate Online Support and Services Seagate Technology support servicesScope Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibilityEuropean Union Restriction of Hazardous Substances RoHS Electromagnetic complianceReference documents General description Drive model number vs. differentiating featuresMedia characteristics Standard featuresReliability PerformanceFormatted capacities Programmable drive capacity Factory installed accessoriesOptions factory installed AccessoriesInternal drive characteristics transparent to user Performance characteristicsScsi performance characteristics visible to user Generalized performance characteristics Format command execution time minutesSeek time Prefetch/multi-segmented cache control Start/stop timeCache operation Prefetch operation Caching write dataUnrecoverable Error Reliability specificationsError rates Recoverable ErrorsSeek errors Reliability and servicePreventive maintenance 4 S.M.A.R.T Hot plugging Cheetah 15K.5 Scsi disc drivesReporting control Controlling S.M.A.R.TPerformance impact MillisecondsThermal monitor Temperature Log page 0Dh Parameter Code DescriptionDrive Self Test DST Invoking DST State of the drive prior to testingDST Failure Definition ImplementationLog page entries Product warrantyShort test Function Code 001b Extended test Function Code 010bProduct repair and return information ShippingST3300655LC DC power requirements Physical/electrical specificationsAC power requirements DC power requirementsST373455LC DC power requirements ST3146855LC DC power requirementsConducted noise immunity Power sequencingCurrent profile Typical ST3300655LW drive +12V LVD current profile ST3300655LW/ST3300655LC Power dissipationST3146855LW/ST3146855LC ST3146855LC DC current and power vs. Iops LVDST373455LW/ST373455LC ST373455LC DC current and power vs. Iops LVDEffective altitude sea level a. Operating Temperature a. OperatingEnvironmental limits Relative humidityShock Shock and vibrationRecommended mounting Vibration a. Operating-normal Air cleanlinessCorrosive environment Acoustics Mechanical specificationsLC mounting configuration dimensions Drive error recovery procedures Defect and error managementDrive internal defects Read and write retry count maximum recovery times Background Media Scan Scsi systems errorsMedia Pre-Scan Idle Read After Write Deferred Auto-ReallocationFormatting InstallationConfigure drive options Drive ID/option select headerJ5 jumper header on LW models only Drive Front RES Function descriptionCooling Drive orientationGrounding Drive mountingScsi messages supported by Cheetah 15K.5 Scsi family drives Interface requirementsGeneral description Scsi interface messages supportedCommands supported by Cheetah 15K.5 Scsi family drive Scsi interface commands supportedCommands supported by Cheetah 15K.5 Scsi family drive Commands supported by Cheetah 15K.5 Scsi family drive Commands supported by Cheetah 15K.5 Scsi family drive Inquiry Vital Product data Cheetah 15K.5 Scsi family drive Standard Inquiry dataMode Sense data Mode Sense Pages Data ST3300655 Mode sense dataMode Sense Header Data Mode Sense Pages Data ST3146855 Mode sense dataST373455 Mode sense data Scsi bus conditions and other miscellaneous features Scsi bus conditions and miscellaneous features supportedPhysical interface Synchronous data transferDC cable and connector Scsi interface physical description Cable requirements Mating connectorsInterface transfer rates supported Scsi interface cable requirementsMating connectors for LC model drives Mating connectors for LW model drivesScsi daisy-chain interface cabling for LW drives Right-angle to Pcba connectorsNonshielded 68-pin Scsi device connector used on LW drives Nonshielded 80-pin Scsi SCA-2 connector used on LC drives GND LW 68-conductor LVD P cable signal/pin assignments Active LED OUT 4 LC 80-pin single-ended SE I/O connector pin assignments+5 V Charge GND Active LED OUT 4 LC 80-pin single-ended LVD I/O connector pin assignmentsElectrical description LVD output characteristicsMultimode-SE and LVD alternatives Single-ended drivers/receivers LVD Input characteristicsGeneral cable characteristics Cable characteristics for single-ended circuitsTwist-n-flat cables-into a multi-drive backplane Cables for low voltage differential drivers/receiversLW drives Terminator requirements Terminator powerLC drives Disc drive Scsi timing Disc drive Scsi timingDisc drive Scsi timing Drive activity LED Drive activity LED status Spindle status Command statusNumerics SymbolsPage Page Scsi Page Page