Seagate ST3750840ACE manual Recording and interface technology, Physical characteristics

Page 15

2.4Recording and interface technology

 

750GB

500GB

400GB

320GB

300GB

250GB

 

 

 

 

 

 

 

Interface

ATA

 

 

 

 

 

 

 

 

 

 

 

Recording method

Perpendicular

 

 

 

 

 

 

 

 

 

 

 

Recording density, KBPI (kbits/inch max)

926

813

781

 

 

813

 

 

 

 

 

 

 

Track density, KTPI (ktracks/inch avg)

145

 

 

 

 

 

 

 

 

 

 

 

 

Areal density (Gbits/inch2 avg)

128.2

114.4

 

 

 

 

Spindle speed (RPM) (± 0.2%)

7,200

 

 

 

 

 

 

 

 

 

 

 

 

Internal data transfer rate (Mbits/sec max)

1,030

 

 

 

 

 

 

 

 

 

 

 

 

Sustained data transfer rate (Mbytes/sec max)

78

72

 

 

 

 

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/sec max)

100 (Ultra DMA mode 5)

 

 

 

 

 

 

 

 

 

 

2.5

Physical characteristics

 

 

 

Drive specification

 

 

 

Maximum height

 

 

(mm)

26.1

 

(inches)

1.028

 

 

Maximum width

 

 

(mm)

101.6

 

(inches)

 

4.000 +/- 0.010

 

 

 

 

Maximum length

 

 

(mm)

146.99

 

(inches)

5.787

 

 

Typical weight

 

 

ST3320820ACE, ST3300820ACE and ST3250820ACE

580 grams (1.28 lbs)

 

ST3500830ACE and ST3400820ACE

635 grams (1.40 lbs)

 

ST3750840ACE

720 grams (1.59 lbs)

 

 

Cache Size

8 Mbytes

 

 

 

DB35.3 Series PATA Product Manual, Rev. B

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Contents DB35.3 Series Pata Page Contents DB35.3 Series Pata Product Manual, Rev. B List of Figures DB35.3 Series Pata Product Manual, Rev. B Introduction DB35.3 Series Pata Product Manual, Rev. B Specification summary table Drive specificationsDrive specification ST3750840ACE ST3500830ACE ST3400820ACE DB35.3 Series Pata Product Manual, Rev. B Drive specification ST3320820ACE ST3300820ACE ST3250820ACE DB35.3 Series Pata Product Manual, Rev. B Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity750GB 500GB 400GB 320GB 300GB 250GB Physical characteristicsDrive specification Recording and interface technologyPower specifications Seek timeStart/stop times DC power requirements Standby modeConducted noise Typical current profileSleep mode Power-management modesActive mode Idle modeEnvironmental specifications 4 Disc models ShockOperating shock Nonoperating shock Disc modelsAcoustics Fluid Dynamic Bearing FDB motor acousticsIdle CE seek profile Agency certification Safety certificationElectromagnetic immunity ReliabilityFCC verification Electromagnetic compatibilityKorean RRL Australian C-Tick N176Environmental protection Corrosive environmentEuropean Union Restriction of Hazardous Substances RoHS DB35.3 Series Pata Product Manual, Rev. B Handling and static discharge precautions Configuring and mounting the driveBreather filter hole location Breather filter hole precautionsCable-select option Jumper settingsMaster/slave configuration Drive as master with a non-ATA-compatible slaveUltra ATA/100 cable Drive mountingMounting dimensions-top, side and end view DB35.3 Series Pata Product Manual, Rev. B ATA interface signals and connector pins Pins and supported ATA signalsATA interface Command name Command code in hex Supported ATA commandsF4H Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit Word0CH Set Features commandCode in features Register A.R.T. command 4 S.M.A.R.T. commandsTechnical Support Seagate Technology support servicesInternet Presales SupportWarranty Service Data Recovery Services Authorized Service CentersData Recovery Services Call Center Toll-free Direct dial Index Page TMR DB35.3 Series Pata Product Manual, Rev. B Page Seagate Technology LLC
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