HP 6640C (US/CAN), 6744 (US), 6730 (US/CAN), 6657 (LA), 6649F (US/CAN) Specification summary table

Page 10

2

U10 Family Product Manual, Rev. A

Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

Drive Specification

ST320423A

 

ST315323A

 

ST310212A

 

 

 

 

 

 

 

 

 

 

 

 

Guaranteed Mbytes (×106 bytes)

20,485

 

15,364

 

10,242

Guaranteed sectors

40,011,300

 

30,008,475

 

20,005,650

 

 

 

 

 

 

Bytes per sector

 

512

 

 

 

 

 

 

 

Default sectors per track

 

63

 

 

 

 

 

 

 

Default read/write heads

16

 

16

 

16

 

 

 

 

 

 

Default cylinders

16,383

 

16,383

 

16,383

 

 

 

 

 

 

Physical read/write heads

4

 

3

 

2

 

 

 

 

 

 

Discs

2

 

2

 

1

 

 

 

 

 

 

Recording density

 

 

 

 

 

BPI (bits/inch max)

 

396,067

 

 

 

 

 

 

 

 

Track density

 

 

 

 

 

TPI (tracks/inch)

 

20,107

 

 

 

 

 

 

 

 

Areal density

 

 

 

 

 

(Mbits/inch2 max)

 

7,964

 

 

Spindle speed (RPM)

 

5,400

 

 

 

 

 

 

 

 

Internal data-transfer rate (Mbits/

 

 

 

 

 

sec max)

 

308

 

 

 

 

 

 

 

 

I/O data-transfer rate (Mbytes/

 

 

 

 

 

sec max)

 

66.6

 

 

 

 

 

 

 

ATA data-transfer modes

 

 

PIO modes 0–4

 

supported

Multiword DMA modes 0–2

 

 

Ultra DMA modes 0–4

 

 

 

 

 

 

Cache buffer (Kbytes)

 

512

 

 

 

 

 

 

 

Height (mm max)

 

26.1

 

 

 

 

 

 

 

Width (mm max)

 

101.85

 

 

 

 

 

 

 

Length (mm max)

 

147.0

 

 

 

 

 

 

Weight (typical)

 

544 grams (1.2 lb)

 

 

 

 

 

 

 

Track-to-track seek time

 

 

 

 

 

(msec typical)

 

1.5 (read) 2.1 (write)

 

 

 

 

 

 

Average seek time (msec typical)

 

8.9

 

 

 

 

 

 

 

 

Image 10
Contents Product Manual Page Product Manual Page Contents Configuring and mounting the drive ATA interfaceFigures U10 Family Product Manual, Rev. a Introduction Specification summary table Drive Specification ST320423A Contact start-stop cycles 25C 40% relative humidity Formatted capacity Default logical geometryPhysical organization Drive Specification ST320423A, ST315323A ST310212A Physical characteristicsRecording and interface technology Seek time Power specificationsStart/stop times Power consumption Power Mode Typical Watts Typical Amps RMS 12V Typical current profileConducted noise Power-management modesVoltage tolerance Sleep mode Environmental tolerances Ambient temperatureTemperature gradient Idle and Standby timersAltitude 3.2 Wet bulb temperatureHumidity 3.1 Relative Humidity ShockNonoperating vibration Operating vibrationDrive acoustics Reliability Agency certification Safety certificationElectromagnetic susceptibility Electromagnetic compatibilityFCC verification Australian CE-Tick N176U10 Family Product Manual, Rev. a Configuring and mounting the drive Handling and static-discharge precautionsJumper settings Master/slave configuration Drive as master with a non-ATA-compatible slaveUltra ATA/66 cable Cable-select optionDrive mounting Mounting dimensions-top, side and end view ATA interface signals and connector pins ATA interfaceO pins and supported ATA signals Supported ATA commands Command name Command code in hex ATA-standard commandsATA-standard power-management commands Identify Drive commandCommand name ATA-standard security commandsWord Description 0C5AHWord Description Value Xx07HXx1FH Description if bit is set to Bit Word Set Features command 0CH4 S.M.A.R.T. commands Code in Features A.R.T. Command RegisterA.R.T. Command Register Page
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8533z (US), 6545C (US/CAN), 8580c (US), 6612 (AP), 6618 (AP) specifications

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