Seagate ULTRA ATA ST320423A Manual do Utilizador Página 1

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2 U10 Family Product Manual, Rev. ASpecification summary tableThe specifications listed in this table are for quick reference. For detailson specifica

U10 Family Product Manual, Rev. A 3 Full-stroke seek time(msec typical) 23.0 (read) 25.0 (write)Average latency (msec) 5.56 msecPower-on to ready(sec

4 U10 Family Product Manual, Rev. ANonrecoverable read errors 1 per 1013 bits readMean time betweenfailures (power-on hours) 500,000Contact start-stop

U10 Family Product Manual, Rev. A 5 1.0 Drive specificationsUnless otherwise noted, all specifications are measured under ambientconditions, at 25°C,

6 U10 Family Product Manual, Rev. A1.3 Recording and interface technology1.4 Physical characteristicsInterface ATARecording method 24/26 EPRMLRecord

U10 Family Product Manual, Rev. A 7 1.5 Seek timeSeek measurements are taken with nominal power at 25°C ambienttemperature. All times are measured us

8 U10 Family Product Manual, Rev. A1.7.1 Power consumptionPower requirements for the drives are listed in the table on page 9.Typical power measureme

U10 Family Product Manual, Rev. A 9 1.7.1.1 Typical current profileFigure 1. Typical startup and operation current profilePower Mode Typical Watts R

10 U10 Family Product Manual, Rev. A1.7.2 Conducted noiseInput noise ripple is measured at the host system power supply acrossan equivalent 80-ohm re

U10 Family Product Manual, Rev. A 11 established using a Standby or Idle command. In Standby mode, thedrive buffer is enabled, the heads are parked an

12 U10 Family Product Manual, Rev. A1.8.3 Humidity1.8.3.1 Relative Humidity1.8.3.2 Wet bulb temperature1.8.4 Altitude1.8.5 ShockAll shock speci

U10 Family Product Manual, Rev. A 13 1.8.6.1 Operating vibrationThe following table lists the maximum vibration levels that the drive may expe-rienc

14 U10 Family Product Manual, Rev. A1.10 Electromagnetic susceptibilityThe drive operates without errors when subjected to the following:1.11 Reliab

U10 Family Product Manual, Rev. A 15 comply with the directives when used in the test systems, we cannotguarantee that all systems will comply with th

16 U10 Family Product Manual, Rev. AIf necessary, you should consult your dealer or an experienced radio/television technician for additional suggesti

U10 Family Product Manual, Rev. A 17 2.0 Configuring and mounting the driveThis section contains the specifications and instructions for configuringa

18 U10 Family Product Manual, Rev. A2.2 Jumper settings2.2.1 Master/slave configurationThe options jumper block shown in Figure 2 is used to configu

U10 Family Product Manual, Rev. A 19 2.2.2 Cable-select optionComputers that use cable-select determine the master and slave drivesby selecting or de

20 U10 Family Product Manual, Rev. AFigure 3. Mounting dimensions—top, side and end view1.00 ± 0.028(25.4 ± 0.7)3.72 ± 0.03(94.5 ± 0.8)4.00 ± 0.02(101

U10 Family Product Manual, Rev. A 21 3.0 ATA interface These drives use the industry-standard ATA task file interface thatsupports 16-bit data transf

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22 U10 Family Product Manual, Rev. AFigure 4. I/O pins and supported ATA signalsReset–GroundDD7DD8DD6DD9DD5DD10DD4DD11DD3DD12DD2DD13DD1DD14DD0DD15Grou

U10 Family Product Manual, Rev. A 23 3.1.1 Supported ATA commandsThe following table lists ATA-standard commands that the drive sup-ports. For a deta

24 U10 Family Product Manual, Rev. A3.1.2 Identify Drive commandThe Identify Drive command (command code ECH) transfers informationabout the drive to

U10 Family Product Manual, Rev. A 25 Word Description Value0Configuration information:• Bit 15: 0 = ATA; 1 = ATAPI• Bit 7: removable media• Bit 6: rem

26 U10 Family Product Manual, Rev. A49 Standard Standby timer, IORDY supported and may be disabled2F00H50 Device-specific standbytimer value0000H51 PI

U10 Family Product Manual, Rev. A 27 66 Recommended multiword DMA transfer cycle time per word (120 nsec)0078H67 Minimum PIO cycle time without IORDY

28 U10 Family Product Manual, Rev. A92 Master Password Revision codeFFFEH93 Hardware Reset Value (see description following this table)xxxxH94–127 ATA

U10 Family Product Manual, Rev. A 29 3.1.3 Set Features commandThis command controls the implementation of various features that thedrive supports. W

30 U10 Family Product Manual, Rev. ANote. At power-on, or after a hardware or software reset, the defaultvalues of the features are as indicated above

U10 Family Product Manual, Rev. A 31 Note. If an appropriate code is not written to the Features Register, thecommand is aborted and 0x04 (abort) is w

 2000 Seagate Technology, Inc. All rights reservedPublication Number: SG35336-001, Rev. A, January 2000Seagate, Seagate Technology, the Seagate logo

32 U10 Family Product Manual, Rev. A

U10 Family Product Manual, Rev. A 33

34 U10 Family Product Manual, Rev. ASeagate Technology, Inc.920 Disc Drive, Scotts Valley, California 95066, USAPublication Number: SG35336-001, Rev.

U10 Family Product Manual, Rev. A iiiContentsIntroduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Sp

iv U10 Family Product Manual, Rev. A1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152.0 Configuring and mounti

U10 Family Product Manual, Rev. A vFiguresFigure 1. Typical startup and operation current profile . . . . . . . . . . . . 9Figure 2. Master/slave jump

vi U10 Family Product Manual, Rev. A

U10 Family Product Manual, Rev. A 1 IntroductionThis manual describes the functional, mechanical and interface specifi-cations for the ST320423A, ST31