Seagate ST38421A, ST32112A, ST36421A, ST34311A manual Word Description

Page 33

U4 Family Product Manual, Rev. D

25

 

 

 

 

 

Word

Description

Value

 

 

 

 

 

 

 

 

 

 

Configuration information:

 

 

 

• Bit 15: 0 = ATA; 1 = ATAPI

0C5AH

 

0

• Bit 7: removable media

 

 

• Bit 6: removable controller

 

 

 

• Bit 0: reserved

 

 

 

 

 

 

 

 

1060H

 

1

Number of logical cylinders:

(ST32112A)

 

 

ST32112A = 4,192

22F0H

 

 

(ST34311A)

 

 

ST34311A = 8,944

3412H

 

 

ST36421A = 13,330

(ST36421A)

 

 

ST38421A = 16,368

3FF0H

 

 

 

(ST38421A)

 

 

 

 

 

2

ATA-reserved

0000H

 

 

 

 

 

3

Number of logical heads:

10H

 

 

ST32112A = 16

(ST32112A)

 

 

(ST38421A)

 

 

ST34311A = 15

 

 

0FH

 

 

ST36421A = 15

(ST34311A)

 

 

ST38421A = 16

(ST36421A)

 

 

 

 

 

4

Retired

0000H

 

 

 

 

 

5

Retired

0000H

 

 

 

 

 

6

Number of logical sectors per logical

003FH

 

 

track: 63

 

 

 

 

 

7–9

Retired

0000H

 

 

 

 

 

10–19

Serial number: (20 ASCII characters,

ASCII

 

 

0000H = none)

 

20

Retired

0000H

 

 

 

 

 

21

Retired

0200H

 

 

 

 

 

22

Obsolete

0004H

 

 

 

 

 

23–26

Firmware revision (8 ASCII character

x.xx

 

 

string, padded with blanks to end of

 

 

string)

 

 

 

 

 

 

Page 32 Page 34
Image 33
Page 32 Page 34
Contents Product Manual Page Product Manual Page Contents ATA interface Configuring and mounting the driveSeagate Connfidential Review Draft not for Distribution FiguresSeagate Confidential Review Draft not for Distribution Introduction Specification summary table Track-to-track seek time Msec typical Vibration, nonoperating LBA Mode Default logical geometryFormatted capacity Physical organizationDrive Specification ST38421A, ST36421A ST34311A, ST32112A Physical characteristicsRecording and interface technology Seek timePower consumption Power specificationsSpinup power Start/stop timesRead/Write power and current Seek ModeOperating 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 Temperature gradient Environmental tolerances Ambient temperatureHumidity Relative HumidityAltitude Wet bulb temperatureShock Operating shockOperating vibration Nonoperating vibrationDrive acoustics Electromagnetic susceptibility Agency certification Safety certificationReliability Electromagnetic compatibilityAustralian C-Tick FCC verificationU4 Family Product Manual, Rev. D Handling and static-discharge precautions Configuring and mounting the driveMaster/slave jumper settings Jumper settings Master/slave configurationCable-select option Important mounting precautionsUltra ATA/66 cable Drive mountingMounting dimensions-top, side and end view ATA interface ATA interface signals and connector pinsO pins and supported ATA signals Command name Command code in hex ATA-standard commands ATA Interface commands Supported ATA commandsCommand name Identify Drive commandATA-standard power-management commands ATA-standard security commandsWord Description 27-46 Drive model number 40 Ascii char Multiword DMA active and modes Description if bit is set to Bit Word 0CH Set Features commandCode in Features Register A.R.T. Command 4 S.M.A.R.T. commandsPage U4 Family Product Manual, Rev. D U4 Family Product Manual, Rev. D
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