Seagate ST9120821AB, ST98823AB Jumper settings, Master/slave configuration, Cable-select option

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3.2Jumper settings

3.2.1Master/slave configuration

Use the options jumper block shown in Figure 3 to configure the drive for operation. This jumper block is the 4-pin header adjacent to pins 1 and 2 of the I/O signal pins. For additional information about using the Cable select option, see Section 3.2.2.

The “Master or single drive” option is the factory default setting.

Drive is master (or single drive)

Drive is slave

Cable select

Figure 3. Jumper settings

3.2.2Cable-select option

Computers that use cable select determine the master and slave drives by selecting or deselecting pin 28, CSEL, on the interface bus. Master and slave drives are determined by their physical position on the cable. To enable cable select, set a jumper as shown in Figure 3. Refer to your computer manual to determine whether your computer supports this option.

18	Momentus 5400.2 Blade Server Product Manual, Rev. B

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Contents Momentus5400.2 Blade Server ST9120821AB ST9100824AB ST98823AB ST96812AB ST94813ABPage Contents Momentus 5400.2 Blade Server Product Manual, Rev. B List of Figures Momentus 5400.2 Blade Server Product Manual, Rev. B Introduction Momentus 5400.2 Pata disc driveMomentus 5400.2 Blade Server Product Manual, Rev. B Drive specifications Specification summarySpecifications Specifications Default logical geometry LBA modeFormatted capacity Physical organizationPhysical characteristics Technology SpecificationRecording and interface technology Seek time Time to readyTypical seek times msec Read Write Time to ready Typical Max @ 25CPower specifications Typical current profile Conducted noiseVoltage tolerance Environmental specifications Shock Operating shockNonoperating shock VibrationAcoustics Electromagnetic immunityDrive level acoustics Electromagnetic immunitySafety certification Measurement type SpecificationReliability Agency certificationKorean RRL Australian C-Tick N176FCC verification Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS Momentus 5400.2 Blade Server Product Manual, Rev. B Configuring and mounting the drive Handling and static discharge precautionsJumper settings Master/slave configurationCable-select option Mounting dimensions-top, side and end view Drive mountingMomentus 5400.2 Blade Server Product Manual, Rev. B ATA interface signals and connector pins Connector signalsConnector Cable Signal Name Contact Conductor Cable Connector Conductor Contact Signal NameSupported ATA commands Supported commandsCommand name Command code in hex ATA-standard commands Command name Command code in hex ATA-standard power-management commandsATA-standard security commands Supported commands Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command Features register valuesSeagate Technology support services Internet MySeagate Reseller.seagate.comPresales Support Technical SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services FAX services-All Europe toll call Call center Presales and Technical Support Warranty ServiceToll-free support numbers Asia/Pacific support services Publication feedback survey Momentus 5400.2 Blade Server Product Manual, Rev. B Index NumericsPage TMR Momentus 5400.2 Blade Server Product Manual, Rev. B Page Seagate Technology LLC