Seagate ST93811A, ST98823A, ST96812A, ST94813A, ST9120821A Description if bit is set to Bit Word

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Word	Description	Value

129–159	Seagate-reserved	xxxxH

160–254	ATA-reserved	0000H

255	Integrity word	xxA5H

Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data.

Description (if bit is set to 1)

Bit

Word 63

0Multiword DMA mode 0 is supported.

1Multiword DMA mode 1 is supported.

2Multiword DMA mode 2 is supported.

8Multiword DMA mode 0 is currently active.

9Multiword DMA mode 1 is currently active.

10Multiword DMA mode 2 is currently active.

Bit

Word 88

0Ultra DMA mode 0 is supported.

1Ultra DMA mode 1 is supported.

2Ultra DMA mode 2 is supported.

3Ultra DMA mode 3 is supported.

4Ultra DMA mode 4 is supported.

8Ultra DMA mode 0 is currently active.

9Ultra DMA mode 1 is currently active.

10Ultra DMA mode 2 is currently active.

11Ultra DMA mode 3 is currently active.

12Ultra DMA mode 4 is currently active.

13Ultra DMA mode 5 is currently active.

Bit

Word 93

131 = 80-conductor cable detected, CBLID above VIH 0 = 40-conductor cable detected, CBLID below VIL

Momentus 5400.2 PATA Product Manual, Rev. B

27

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Contents ST9120821A ST9100824A ST98823A ST96812A ST94813A ST93811A Momentus5400.2Page Contents Momentus 5400.2 Pata Product Manual, Rev. B List of Figures Momentus 5400.2 Pata Product Manual, Rev. B Momentus 5400.2 Pata disc drive IntroductionMomentus 5400.2 Pata Product Manual, Rev. B Drive specifications Specification summarySpecifications Average seek time msec typical 12.5 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 Operating shock ShockNonoperating shock VibrationElectromagnetic immunity AcousticsDrive level acoustics Electromagnetic immunityMeasurement 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 driveJumper settings Master/slave configurationCable-select option Drive mounting Mounting dimensions-top, side and end viewMomentus 5400.2 Pata Product Manual, Rev. B Connector signals ATA interface signals and connector pinsConnector 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 Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordFeatures register values Set Features commandCompatibility summary Installation considerationsTested systems System CompatibilityBios versions tested Tested Bios versionsVendor Release Revision Operating system versions tested Compatibility test configurationsSoftware utilities Other certificationInternet MySeagate Reseller.seagate.com Seagate Technology support servicesPresales 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 Pata Product Manual, Rev. B Numerics IndexPage Page Momentus 5400.2 Pata Product Manual, Rev. B Page Seagate Technology LLC