Seagate ST9100826A, ST960814A, ST980821A, ST9120826A, ST940811A manual Electromagnetic immunity

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2.12Electromagnetic immunity

When properly installed in a representative host system, the drive operates without errors or degradation in performance when subjected to the radio frequency (RF) environments defined in the following table:

Table 5:

Electromagnetic immunity

 

 

 

 

 

 

 

 

 

 

Performance

Reference

Test

 

Description

level

standard

 

 

 

 

Electrostatic discharge

Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV

B

EN 61000-4-2: 95

 

 

 

 

Radiated RF immunity

80 to 2,000 MHz, 10 V/m,

A

EN 61000-4-3: 96

 

 

80% AM with 1 kHz sine

 

 

 

 

900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz

 

ENV 50204: 95

 

 

 

 

Electrical fast transient

± 1 kV on AC mains, ± 0.5 kV on external I/O

B

EN 61000-4-4: 95

 

 

 

 

Surge immunity

± 1 kV differential, ± 2 kV common, AC mains

B

EN 61000-4-5: 95

 

 

 

 

Conducted RF immunity

150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz

A

EN 61000-4-6: 97

 

 

sine

 

 

 

 

 

 

Power Frequency H-field

1 A/m, 50Hz/60Hz, 3 axes

A

EN 61000-4-8: 97

immunity

 

 

 

 

 

 

 

 

Voltage dips, interrupts

30% Reduction for 25 cycles

C

EN 61000-4-11: 94

 

 

>95% Reduction for 250 cycles

C

 

 

 

>95%, 0.5 cycles

B

 

 

 

 

 

 

A - 1) No upset or degradation in performance beyond manufacturer’s specified limits.

2) No data loss.

B - 1) Unit self recovers without user intervention.

2) No data loss.

C - 1) Upset OK provided that unit will function after user intervention.

Momentus 5400 FDE Product Manual, Rev. C

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Contents ST9120826A ST9100826A ST980821A ST960814A ST940811A Momentus5400 FDEPage Contents Seagate Technology support services ATA interfaceCompatibility summary 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 Drive specifications Specification summarySpecifications Specifications LBA mode Default logical geometryFormatted capacity Physical organizationPhysical characteristics Technology SpecificationRecording and interface technology Time to ready Seek timeTypical seek times msec Read Write Time to ready Typical Max @ 25CPower specifications Typical current profile Conducted noiseVoltage tolerance Power management modes Power-management modesActive mode Idle modeEnvironmental specifications Acoustics Electromagnetic immunity Electromagnetic immunityPerformance Reference Test Description Level Standard Measurement type Specification Safety certificationReliability Agency certificationKorean RRL Australian C-Tick N176FCC verification Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS 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 configurationsWord Content ATA Security Erase Unit bitsAdditional technical notes Drive Trust Mode supported Drive Trust IdentifyIdent Value BIT set Bit Description Full-disc Encryption Identify Full Disc Encryption supportSupported ATA commands Supported commandsNormal 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 SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial 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.