Seagate ST32112A, ST38421A, ST36421A, ST34311A manual Description if bit is set to Bit Word

Page 36

28	U4 Family Product Manual, Rev. D

Word	Description	Value


91–92	ATA-reserved	0000H

93	Hardware Reset Value	4000H
	(see description following this table)

94–127	ATA-reserved	0000H

128	Security Status	0001H

129–159	Seagate-reserved	xxxxH

160–255	ATA-reserved	0000H

Note. See the bit descriptions below for words, 63, 88, and 93 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.

Image 36

Contents Product Manual Page Product Manual Page Contents Configuring and mounting the drive ATA interfaceFigures Seagate Connfidential Review Draft not for DistributionSeagate Confidential Review Draft not for Distribution Introduction Specification summary table Track-to-track seek time Msec typical Vibration, nonoperating Default logical geometry LBA ModeFormatted capacity Physical organizationPhysical characteristics Drive Specification ST38421A, ST36421A ST34311A, ST32112ARecording and interface technology Seek timePower specifications Power consumptionSpinup power Start/stop timesSeek Mode Read/Write power and currentOperating power and current Idle mode powerPower Mode Typical Watts Typical Amps RMS 12V Typical current profileCurrent amps Time seconds Power-management modes Conducted noiseVoltage tolerance Environmental tolerances Ambient temperature Temperature gradientHumidity Relative HumidityWet bulb temperature AltitudeShock Operating shockOperating vibration Nonoperating vibrationDrive acoustics Agency certification Safety certification Electromagnetic susceptibilityReliability Electromagnetic compatibilityFCC verification Australian C-TickU4 Family Product Manual, Rev. D Configuring and mounting the drive Handling and static-discharge precautionsJumper settings Master/slave configuration Master/slave jumper settingsImportant mounting precautions Cable-select optionUltra ATA/66 cable Drive mountingMounting dimensions-top, side and end view ATA interface signals and connector pins ATA interfaceO pins and supported ATA signals ATA Interface commands Supported ATA commands Command name Command code in hex ATA-standard commandsIdentify Drive command Command nameATA-standard power-management commands ATA-standard security commands Word Description 27-46 Drive model number 40 Ascii char Multiword DMA active and modes Description if bit is set to Bit Word Set Features command 0CH4 S.M.A.R.T. commands Code in Features Register A.R.T. CommandPage U4 Family Product Manual, Rev. D U4 Family Product Manual, Rev. D

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