Seagate ST980821A, ST960814A manual Typical current profile, Conducted noise, Voltage tolerance

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2.9.1.1Typical current profile

Figure 5. Typical 5V startup and operation current profile

2.9.2Conducted noise

Input noise ripple is measured at the host system power supply across an equivalent 15-ohm resistive load on the +5 volt line.

Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz.

Note. Equivalent resistance is calculated by dividing the nominal voltage by the typical RMS read/write current.

2.9.3Voltage tolerance

Voltage tolerance (including noise):

5V ± 5%

Momentus 5400 FDE Product Manual, Rev. C

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Contents ST9120826A ST9100826A ST980821A ST960814A ST940811A Momentus5400 FDEPage Contents Compatibility summary Seagate Technology support servicesATA interface List of Figures Momentus 5400 FDE Product Manual, Rev. C System requirements IntroductionAbout Momentus 5400 FDE disc drives Feature listBenefits Drive state upon shipmentPage Momentus 5400 FDE Product Manual, Rev. C Specifications Drive specificationsSpecification summary Specifications LBA mode Default logical geometryFormatted capacity Physical organizationRecording and interface technology Physical characteristicsTechnology Specification Time to ready Seek timeTypical seek times msec Read Write Time to ready Typical Max @ 25CPower specifications Voltage tolerance Typical current profileConducted noise Power management modes Power-management modesActive mode Idle modeEnvironmental specifications Acoustics Performance Reference Test Description Level Standard Electromagnetic immunityElectromagnetic immunity Measurement type Specification Safety certificationReliability Agency certificationFCC verification Korean RRLAustralian C-Tick N176 European Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment Handling and static discharge precautions Configuring and mounting the driveMaster/slave configuration Jumper settingsDrive mounting Cable-select optionMounting dimensions-top, side and end view Momentus 5400 FDE drive label example Drive integrationDrive installation Security Erase--ATA security commandsSecurity Thaw command Security Erase procedureDrive State after security erase Connector signals ATA interface signals and connector pinsConnector Cable Signal Name Contact Conductor Cable Connector Conductor Contact Signal NameLegacy mode -- Multi-word DMA not supported ATA interface specificationsInterrupts Disabled mode nIEN bit PIO Read -- Interrupts Enabled modeATA Security policy exceptions Device 0 only configurationsAdditional technical notes Word ContentATA Security Erase Unit bits Ident Value BIT set Bit Description Drive Trust Mode supportedDrive Trust Identify Full-disc Encryption Identify Full Disc Encryption supportNormal Commands Supported ATA commandsSupported commands Read Multiple EXT SET MAX Unlock Aborted Executable AbortedWord Description Value Identify Device commandXx00H Bit Word Description if bit is set to Bit WordFeatures register values Set Features commandCompatibility summary Installation considerationsTested Bios versions Bios versions testedSystem Compatibility Tested systemsOperating system versions tested Compatibility test configurationsSoftware utilities Operating systems testedThird party software support Internet Seagate Technology support servicesPresales Support Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Numerics IndexPage Page Momentus 5400 FDE Product Manual, Rev. C Page Seagate Technology LLC

ST940811A, ST960814A, ST9120826A, ST980821A, ST9100826A specifications

Seagate's ST9100826A, ST980821A, ST9120826A, ST960814A, and ST940811A hard drives represent some of the company's commitment to providing reliable and high-performance storage solutions. Each model features distinct specifications and technologies that cater to various data storage needs.

The ST9100826A is a 100 GB hard drive that utilizes a 7200 RPM spindle speed, ensuring quick data access and transfer rates. With an IDE interface, this drive supports a data transfer rate of up to 100 MB/s, making it suitable for intensive applications. Additionally, the ST9100826A comes equipped with a 2 MB cache, optimizing data retrieval speeds and enhancing overall performance.

Moving to the ST980821A, this 80 GB drive also operates at 7200 RPM and features a similar IDE interface, which offers compatible integration with various systems. Designed with reliability in mind, it boasts a mean time between failures (MTBF) rating of 1 million hours, appealing to users who prioritize durability. This drive’s compact size allows it to fit seamlessly into a range of configurations, from personal computers to external enclosures.

The ST9120826A, with a substantial capacity of 120 GB, continues the trend of high-performance drives in this lineup. Its 7200 RPM speed and 2 MB cache ensure that users experience efficient data handling. With a more advanced read/write head technology, the drive also minimizes noise during operation, making it suitable for both desktop environments and home media centers.

The ST960814A comes with a 60 GB storage capacity and features an ultra-slim design, making it an excellent choice for portable devices. Often favored by users needing external storage for laptops or gaming consoles, this model maintains a 5400 RPM speed while providing commendable performance and durability, making data retrieval swift and smooth.

Lastly, the ST940811A, featuring a compact 40 GB capacity, serves as a versatile option for users looking to upgrade their existing systems. With an IDE connection and a design focused on energy efficiency, this drive is perfect for economical builds while still providing good performance for standard applications.

In summary, Seagate’s ST9100826A, ST980821A, ST9120826A, ST960814A, and ST940811A each demonstrate innovative features and reliability across various storage needs. With diverse capacities, spindle speeds, and robust technologies, they solidify Seagate’s reputation as a leader in data storage solutions.