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

Models: ST3146855LC ST373207LW ST373455LC ST3300655LC ST3146855LW ST373455LW ST3300655LW

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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 services Scope Electromagnetic susceptibility Applicable standards and reference documentationStandards Electromagnetic compatibility European Union Restriction of Hazardous Substances RoHS Electromagnetic compliance Reference documents General description Drive model number vs. differentiating features Media characteristics Standard features Reliability PerformanceFormatted capacities Programmable drive capacity Factory installed accessoriesOptions factory installed Accessories Internal 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 data Unrecoverable Error Reliability specificationsError rates Recoverable Errors Seek errors Reliability and servicePreventive maintenance 4 S.M.A.R.T Hot plugging Cheetah 15K.5 Scsi disc drives Reporting control Controlling S.M.A.R.TPerformance impact Milliseconds Thermal monitor Temperature Log page 0Dh Parameter Code DescriptionDrive Self Test DST Invoking DST State of the drive prior to testingDST Failure Definition Implementation Log page entries Product warrantyShort test Function Code 001b Extended test Function Code 010b Product repair and return information Shipping ST3300655LC DC power requirements Physical/electrical specificationsAC power requirements DC power requirements ST373455LC DC power requirements ST3146855LC DC power requirements Conducted noise immunity Power sequencingCurrent profile Typical ST3300655LW drive +12V LVD current profile ST3300655LW/ST3300655LC Power dissipation ST3146855LW/ST3146855LC ST3146855LC DC current and power vs. Iops LVD ST373455LW/ST373455LC ST373455LC DC current and power vs. Iops LVD Effective altitude sea level a. Operating Temperature a. OperatingEnvironmental limits Relative humidity Shock Shock and vibration Recommended mounting Vibration a. Operating-normal Air cleanlinessCorrosive environment Acoustics Mechanical specifications LC 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-Reallocation Formatting InstallationConfigure drive options Drive ID/option select header J5 jumper header on LW models only Drive Front RES Function description Cooling Drive orientation Grounding Drive mounting Scsi messages supported by Cheetah 15K.5 Scsi family drives Interface requirementsGeneral description Scsi interface messages supported Commands supported by Cheetah 15K.5 Scsi family drive Scsi interface commands supported Commands 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 data Mode Sense data Mode Sense Pages Data ST3300655 Mode sense data Mode Sense Header Data Mode Sense Pages Data ST3146855 Mode sense data ST373455 Mode sense data Scsi bus conditions and other miscellaneous features Scsi bus conditions and miscellaneous features supported Physical interface Synchronous data transfer DC cable and connector Scsi interface physical description Cable requirements Mating connectorsInterface transfer rates supported Scsi interface cable requirements Mating connectors for LC model drives Mating connectors for LW model drives Scsi daisy-chain interface cabling for LW drives Right-angle to Pcba connectors Nonshielded 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 assignments Electrical description LVD output characteristicsMultimode-SE and LVD alternatives Single-ended drivers/receivers LVD Input characteristicsGeneral cable characteristics Cable characteristics for single-ended circuits Twist-n-flat cables-into a multi-drive backplane Cables for low voltage differential drivers/receivers LW drives Terminator requirements Terminator powerLC drives Disc drive Scsi timing Disc drive Scsi timing Disc drive Scsi timing Drive activity LED Drive activity LED status Spindle status Command status Numerics SymbolsPage Page Scsi Page Page