Bedienungsanleitung Seagate Pipeline HD 1-TB HDD

50 Seiten Betrifft nicht
Download

Zur Seite of 50

Summary
  • Seagate Pipeline HD 1-TB HDD - page 1

    Product Manual Pipeline HD.2 Series SA T A 100529372 Rev . B April 2009 ST31000424CS ST31000322CS ST3500414CS ST3500312CS ST3320413CS ST332031 1CS ST3250312CS ST3160316CS Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 2

    Revision history Copyright © 2009 Seagate T echnology LLC. All right s reserved. Printed in U.S.A. Publication number: 1005 29372, Rev . B April 2009 Seagate, Seagate T echnology and the W ave logo ar e registere d trademarks of Seagate T echnology LLC in the United S tates and/or other countries. Pipeline HD.2 Seri es, SeaT ools and SeaTDD are ei ...

  • Seagate Pipeline HD 1-TB HDD - page 3

    Pipeline HD.2 Series SATA Product Manual, Rev. B i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 2.0 Driv ...

  • Seagate Pipeline HD 1-TB HDD - page 4

    ii Pipeline HD.2 Series SAT A Product M anual, Rev. B Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 5

    Pipeline HD.2 Series SATA Product Manual, Rev. B iii List of Figures Figure 1. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Figure 2. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 2 Figure ...

  • Seagate Pipeline HD 1-TB HDD - page 6

    Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 7

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 1.0 Introduction This manual describes the functiona l, mechanical an d interface specifications for the following Seagate Pipeline HD TM .2 Series mode l drive: These drives provide the following key fea tures: • High insta ntaneo us (burst) dat a-transfer rates 3Gb /s def ault. Limit settings t ...

  • Seagate Pipeline HD 1-TB HDD - page 8

    2 Pipeline H D.2 Series SAT A Product Ma nual, Rev. B 1.1 About the Serial A T A interface The Serial A T A interface pr ovides several advant ages over the traditional (p arallel) A T A interface. The primary advantages include : • Easy installation and configuration with true plug-and-pla y connectivity . It is not necessary to set a ny jump - ...

  • Seagate Pipeline HD 1-TB HDD - page 9

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 2.0 Drive specifications Unless otherwise noted, all specific ations are me asured unde r ambient conditions, at 25°C, and nominal power . For convenienc e, the ph rases the drive and this drive are used throughout this manual to in dicate the following drive model: 2.1 Spec ification summary t ab ...

  • Seagate Pipeline HD 1-TB HDD - page 10

    4 Pipeline H D.2 Series SAT A Product Ma nual, Rev. B T able 1: Drive specifications summary for 1000 Gbyte mo dels Drive specification ST31000424CS ST31000322CS Formatted capacity (512 bytes/sector)* 1000 Gbytes Guaranteed sectors 1,953,525,168 Heads 4 Discs 2 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 Default cy ...

  • Seagate Pipeline HD 1-TB HDD - page 11

    Pipeline HD.2 Series SATA Product Manual, Rev. B 5 * On e Gbyte equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating envir onment and formatting. * *During pe riods of drive idle, some offli ne activity may occur according to the S.M.A.R.T. specification, which may increase a coustic a ...

  • Seagate Pipeline HD 1-TB HDD - page 12

    6 Pipeline H D.2 Series SAT A Product Ma nual, Rev. B T able 2: Drive specifications summary for 500 and 320 G byte mode ls Drive specification ST3500414CS ST3500312CS ST3320413CS ST332031 1CS Formatted capacity (512 bytes/sector)* 500 Gbytes 320 Gbytes Guaranteed sectors 976,773,168 625,142,448 Heads 2 Discs 1 Bytes per sector 512 Default sectors ...

  • Seagate Pipeline HD 1-TB HDD - page 13

    Pipeline HD.2 Series SATA Product Manual, Rev. B 7 * On e Gbyte equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating envir onment and formatting. * *During pe riods of drive idle, some offli ne activity may occur according to the S.M.A.R.T. specification, which may increase a coustic a ...

  • Seagate Pipeline HD 1-TB HDD - page 14

    8 Pipeline H D.2 Series SAT A Product Ma nual, Rev. B T able 3: Drive specifications summary for 250 and 160 G byte mode ls Drive specification ST3250312CS ST3500312CS Formatted capacity (512 bytes/sector)* 250 Gbytes 160 Gbytes Guaranteed sectors 488,397,168 312,58 1,808 Heads 1 Discs 1 Bytes per sector 512 Default sectors per track 63 Default rea ...

  • Seagate Pipeline HD 1-TB HDD - page 15

    Pipeline HD.2 Series SATA Product Manual, Rev. B 9 * On e Gbyte equals one billion bytes when referring to hard driv e capacity. Accessible capacity may vary depending on operating envir onment and formatting. * *During pe riods of drive idle, some offli ne activity may occur according to the S.M.A.R.T. specification, which may increase a coustic a ...

  • Seagate Pipeline HD 1-TB HDD - page 16

    10 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.2 Formatted cap acity Model Formatted capacity* Guaranteed sectors Bytes per sector ST31000424CS ST31000322CS 1000 Gbytes 1,953,525,168 512 ST3500414CS ST3500312CS 500 Gbytes 976,773,168 ST3320413CS ST332031 1CS 320 Gbytes 625,142,448 ST3250312CS 250 Gbytes 488,397,168 ST3160316CS 160 Gbytes 3 ...

  • Seagate Pipeline HD 1-TB HDD - page 17

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 1 2.5 Physical characteristics 1000 GB model 500, 320, 250 and 160 GB model Maximum height 26.1 mm (1.028 inches) 20.20 mm (0.7 94 inches) Maximum wid th 101.85 mm (4.010 inches) Maximum length 146.99 mm (5.787 inches) T ypica l weight 600 grams (1.323 lb.) 380 grams (0.838 lb.) Cache buffer ST3100 ...

  • Seagate Pipeline HD 1-TB HDD - page 18

    12 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.8 Power specifications The drive receives DC power (+5V or +12V) through a na tive SA T A power connector . See Figure 2 on p age 22. 2.8.1 Power co nsumption Power requirement s for the drive s are listed in the t able on pag e 9. T ypical power measurements are ba sed on a n average of drive ...

  • Seagate Pipeline HD 1-TB HDD - page 19

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 3 2.8.1.1 T ypical cu rrent profile s Figure 1. T y pical 12V startup and operation cu rrent profile 2.8.2 C onducted noise Input noise ripp le is measured at the ho st system powe r supply across an equivalent 80-ohm resistive load on the +12 volt line or an equiva lent 15-ohm resistive loa d on t ...

  • Seagate Pipeline HD 1-TB HDD - page 20

    14 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.8.4 Power-man agement mo des The drive provides prog rammable power man agement to provide gr eater energy ef fici ency . In most systems, you can control power manage ment through the system setup program. The drive features the followin g power-management mod es: • Active mode The drive is ...

  • Seagate Pipeline HD 1-TB HDD - page 21

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 5 2.9 Environment al specifications 2.9.1 Drive case tempera ture Above 1,000 feet (305 me ters), the maximum tem perature is de rated linearly to 1 12°F (44°C) at 10,000 feet (3,048 meters). Drive case temperature should be me asured at t he locatio n indicated in Figure 3 on page 23. * Ambient ...

  • Seagate Pipeline HD 1-TB HDD - page 22

    16 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.9.5 Shock All shock specifications assu me that the drive is mounted secu rely with the input sh ock applied at the drive mounting screws. Shock may be applied in the X, Y or Z axis. 2.9.5.1 Operating shock The drives comply with th e performanc e levels specified in this document when subject ...

  • Seagate Pipeline HD 1-TB HDD - page 23

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 7 2.10 Acoustics emissions Drive emission of so und is measured consistent with the ECMA-74 an d its referenced standards. T esting is conducted at room tempe rature (approxima tely 25 de gre es C). Emission levels are reported as the tota l A-weighted sound power levels for , steady stat e, idle a ...

  • Seagate Pipeline HD 1-TB HDD - page 24

    18 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.12 Reliability 2.12.1 Annualized Failure Rate (AFR) The product shall achieve an Annualized Failu re Rate (A FR) of 0.55% when opera ted in an environ ment of ambient air temperatures of 25 ° C. Operation at temperatures ou tside the specifications in Section 2.9 may increase the product AFR. ...

  • Seagate Pipeline HD 1-TB HDD - page 25

    Pipeline HD.2 Series SATA Product Manual, Rev. B 1 9 Korean RRL If these drives have the Korean Communications Commission (KCC) logo , they comply with paragr aph 1 of Article 1 1 of the El ectromagnetic Compatib ility control Regulation and meet the Electrom agnetic Compatibility (EMC) Framework require ments of the Ra dio Resear ch Laborator y (R ...

  • Seagate Pipeline HD 1-TB HDD - page 26

    20 Pipeline HD.2 Series SAT A Product M anual, Rev. B 2.14 Environment al protection Seagate designs it s product s to me et environment al pr otection requirement s worldwide, including regulations restricting certain chemical substances. 2.14.1 European Union Restr iction of Hazardous Subst ances (RoHS) Directive The Europea n Union Restr iction ...

  • Seagate Pipeline HD 1-TB HDD - page 27

    Pipeline HD.2 Series SATA Product Manual, Rev. B 2 1 3.0 Configuring and mounting the drive This section contains the specif ications an d instructions for configuring and mounting the drive. 3.1 Handling and st atic-dis charge precautions After unp acking, and befo re installation, the drive may be exposed to po tential handling and ele ctrostatic ...

  • Seagate Pipeline HD 1-TB HDD - page 28

    22 Pipeline HD.2 Series SAT A Product M anual, Rev. B 3.2 Configuring the drive Each drive on the Seri al A T A interface connect s point-to-point with the Serial A T A host ada pter . There is no master/slave rela tionship becaus e each drive is consider ed a master in a point- to-point relationship . If two drives are attached on one Serial A T A ...

  • Seagate Pipeline HD 1-TB HDD - page 29

    Pipeline HD.2 Series SATA Product Manual, Rev. B 2 3 3.4 Drive mounting Y ou can mount the drive in any orientation using four screws in the side-mounting holes or four screws in the bottom-mou nting holes. Se e Figure 3 f or drive mount ing dimension s. Follow thes e important mountin g precau- tions when m ounting the drive: • Allow a minimum c ...

  • Seagate Pipeline HD 1-TB HDD - page 30

    Recommended case temperature measurement location 24 Pipeline HD.2 Series SAT A Product M anual, Rev. B Figure 4. Mounting di mensions (fo r 500, 320, 250 and 160 GB models) Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 31

    Pipeline HD.2 Series SATA Product Manual, Rev. B 2 5 4.0 Serial A T A (SA T A) interface These drives use the industry-s tandar d Serial A T A interfac e th at support s FIS dat a transfers. It support s A T A programmed input/o utput (PIO) modes 0–4; mult iword DMA modes 0–2, and Ultr a DMA modes 0–6. For det ailed information abou t the Ser ...

  • Seagate Pipeline HD 1-TB HDD - page 32

    26 Pipeline HD.2 Series SAT A Product M anual, Rev. B 4.2 Serial A T A device p lug connector pin definitions Table 7 summarizes the sig nals on the Se rial ATA interface and power co nnectors. Notes: 1. All pins are in a single row , with a 1.27 mm (0.050”) pitch. 2. The comment s on the mating sequence a pply to the case of backplane blin dmate ...

  • Seagate Pipeline HD 1-TB HDD - page 33

    Pipeline HD.2 Series SATA Product Manual, Rev. B 2 7 4.3 Supported A T A commands The following t able list s Serial A T A standa rd commands that the drive support s. For a deta iled description of the A T A commands, re fer to the Se rial A T A Internatio nal Organization: Seria l A T A Revision 2.6 (http :// www .sata-io.org). See “S.M.A .R.T ...

  • Seagate Pipeline HD 1-TB HDD - page 34

    28 Pipeline HD.2 Series SAT A Product M anual, Rev. B Recalibra te 10 H Security Disable Password F6 H Security Erase Prepare F3 H Security Erase Unit F4 H Security Freeze F5 H Security Set Password F1 H Security Unlock F2 H Seek 70 H Set Features EF H Set Max Address F9 H Note: Individual Set Max Address commands are identifie d by the value place ...

  • Seagate Pipeline HD 1-TB HDD - page 35

    Pipeline HD.2 Series SATA Product Manual, Rev. B 2 9 Write Sectors Extended 34 H Write S tream DMA Extended 3A H Write S tream Extended 3B H Command name Command code (in hex) Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 36

    30 Pipeline HD.2 Series SAT A Product M anual, Rev. B 4.3.1 Identify D evice comman d The Identify Device command (command code EC H ) transfers information abo ut the drive to the host following power up. The da ta is organized as a sing le 512-byte blo ck of data, whose cont ents are shown in T a ble 8 on page 27. All reserved bits or words sh ou ...

  • Seagate Pipeline HD 1-TB HDD - page 37

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 1 60–61 T otal number of user-addressable LBA sectors availabl e (see Section 2.2 for related information) *Note: The maximum value all owed in this field is: 0FFF FFFFh (268,435,455 sectors, 1 37 Gbytes). Drives with capacities over 137 Gbytes will have 0FFFFFFF h in this field and the actual nu ...

  • Seagate Pipeline HD 1-TB HDD - page 38

    32 Pipeline HD.2 Series SAT A Product M anual, Rev. B Note. Advanced Power Management (APM) and Automatic Acou stic Ma nagement (AAM) feat ures are not supported Note. See the bit descriptions below for words 63 , 84, and 88 of the Identify Drive data. 100–103 T otal number of user-addressable LBA sectors avai lable (see Section 2.2 for related i ...

  • Seagate Pipeline HD 1-TB HDD - page 39

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 3 Bit Word 84 0 SMART error loggin is supported. 1 SMART self-test is supported. 2 Media serial number is supported . 3 Media Card Pass Through Comman d feature set is supporte d. 4 S treaming feature set is supported. 5 GPL feature set is suppo rted. 6 WRITE DMA FUA EXT and WRITE MUL TIP LE FUA EX ...

  • Seagate Pipeline HD 1-TB HDD - page 40

    34 Pipeline HD.2 Series SAT A Product M anual, Rev. B 4.3.2 Set Featu res command This command controls the implemen tation of various fe at ures th at the drive suppo rts. When the drive r eceives this command, it sets BSY , checks the contents of the Featur es register , clears BSY and gen erates an inter- rupt. If the value in the register does ...

  • Seagate Pipeline HD 1-TB HDD - page 41

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 5 4.3.3 S.M.A.R.T . commands S.M.A.R.T . provides near-term failure prediction for d isc drives. When S.M.A.R.T . is enabled, the drive moni- tors predetermined drive attributes that are suscep tible to degradation ove r time. If self-monitoring dete rmines that a failure is likely , S.M.A.R.T . ma ...

  • Seagate Pipeline HD 1-TB HDD - page 42

    36 Pipeline HD.2 Series SAT A Product M anual, Rev. B Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 43

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 7 5.0 Seagate T echnology support services Online services Internet For information regardin g Seagate product s and services, visit www .sea gate.com . Worldwide support is available 24 hours daily by ema il for your questions. Presales Support: Presales@Seagate.com T echnical Support: DiscSupport ...

  • Seagate Pipeline HD 1-TB HDD - page 44

    38 Pipeline HD.2 Series SAT A Product M anual, Rev. B Customer Service Operations W arranty Servi ce Seagate of fers worldwide customer support for Seagate product s. Seagate distributor s, OEMs and othe r direct customers should contact their Seagate Customer Ser v ice Operat ions (CSO) repr esentative for warr anty- related issues. Resellers or e ...

  • Seagate Pipeline HD 1-TB HDD - page 45

    Pipeline HD.2 Series SATA Product Manual, Rev. B 3 9 Index A ACA 19 acceleration 16 acoustics 17 Active 14 Active m ode 14 AFR 18 Agency certification 18 altitude 15 ambient temper ature 11 , 12 Annualized Failure Rate 18 Annualized Failure Rate (AFR) 18 areal density 1 , 10 ATA commands 27 Australia/New Zealan d Standard AS/NZ CISPR22 1 9 Australi ...

  • Seagate Pipeline HD 1-TB HDD - page 46

    40 Pipeline HD.2 Series SAT A Product M anual, Rev. B Identify Devic e command 30 Idle 14 , 27 Idle Immediat e 27 Idle mode 12 , 14 Information Technology Equipm ent (ITE) 18 Initialize Device Parameters 27 Input noise ripple 13 input voltage 12 interface 10 , 25 interferen ce 19 internal da ta-transfer rate OD 10 ITE 18 K KCC 19 Korean Communica t ...

  • Seagate Pipeline HD 1-TB HDD - page 47

    Pipeline HD.2 Series SATA Product Manual, Rev. B 4 1 Safety certification 18 SATA 25 screws 16 sectors 10 Sectors per track 10 Security Disable Password 28 Security Erase Pre pare 28 Security Erase Unit 28 Security Freeze 28 Security Set Password 28 Security Unlock 28 Seek 28 Seek time 11 Serial ATA (SATA) interface 25 serial ATA ports 2 servo elec ...

  • Seagate Pipeline HD 1-TB HDD - page 48

    42 Pipeline HD.2 Series SAT A Product M anual, Rev. B Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 49

    Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

  • Seagate Pipeline HD 1-TB HDD - page 50

    Seagate T echnology LLC 920 Disc Drive, Scotts V a lley , California 95066 -4544, USA Publication Number: 1005293 72, Rev . B, Printed in U.S.A. Print Date:2009-May-5 09:42:43 CDT Released; Proto-Type; B; 100529372 Seagate Confidential ...

Produzent Seagate Kategorie Hard Drive

Dokumente, die wir vom Produzenten des Geräts Seagate Pipeline HD 1-TB HDD erhalten, können wir in mehrere Gruppen teilen. Unteranderem in:
- technische Zeichnungen Seagate
- Bedienungsanleitungen Pipeline HD 1-TB HDD
- Produktkarten Seagate
- Informationsbroschüren
- oder Energieetiketten Seagate Pipeline HD 1-TB HDD
Jede von ihnen ist wichtig, jedoch finden wir die wichtigsten Informationen für den Nutzer des Geräts in der Bedienungsanleitung Seagate Pipeline HD 1-TB HDD.

Die Dokumentengruppe, die als Bedienungsanleitungen bezeichnet wird, wird ebenfalls in detaillierte Arten geteilt, solche wie: Montageanleitungen Seagate Pipeline HD 1-TB HDD, Wartungsanleitungen, Kurzanleitungen oder Benutzeranleitungen Seagate Pipeline HD 1-TB HDD. Abhängig vom Bedarf, sollten Sie das Dokument finden, das Sie brauchen. In unserem Service können Sie sich die populärste Bedienungsanleitung des Produkts Seagate Pipeline HD 1-TB HDD ansehen.

Die komplette Bedienungsanleitung des Geräts Seagate Pipeline HD 1-TB HDD, wie sollte sie aussehen?
Die Bedienungsanleitung, auch bezeichnet als Benutzerhandbuch, oder einfach nur „Anleitung”, ist ein technisches Dokument, das dem Benutzer bei der Nutzung von Seagate Pipeline HD 1-TB HDD hilfreich sein soll. Die Bedienungsanleitungen werden in der Regel von technischen Schriftstellern geschrieben, aber in einer Sprache, die für alle Nutzer von Seagate Pipeline HD 1-TB HDD verständlich ist.

Eine gänzliche Bedienungsanleitung von Seagate sollte einige Grundelemente enthalten. Ein Teil von ihnen ist nicht so wichtig, wie z.B.: die Titelseite oder Autorenseiten. Die restlichen von ihnen jedoch, sollten Informationen liefern, die für den Nutzer von enormer Wichtigkeit sind.

1. Einführung und Hinweise, wie man sich in einer Bedienungsanleitung von Seagate Pipeline HD 1-TB HDD bewegt - Am Anfang jeder Bedienungsanleitung sollten wir Hinweise bezüglich der Nutzungsart eines bestimmten Ratgebers finden. In ihr sollten sich Informationen über die Lokalisierung des Inhaltsverzeichnisses von Seagate Pipeline HD 1-TB HDD befinden, FAQ oder über oft auftretende Probleme – also Stellen, die von den Benutzern in jeder Bedienungsanleitung am meisten gesucht werden
2. Inhaltsverzeichnis - Index aller Ratschläge bezüglich Seagate Pipeline HD 1-TB HDD, die wir im aktuellen Dokument finden
3. Ratschläge zur Nutzung der Grundfunktionen des Geräts Seagate Pipeline HD 1-TB HDD - die uns die ersten Schritte während der Nutzung von Seagate Pipeline HD 1-TB HDD erleichtern sollten
4. Troubleshooting - geordneter Tätigkeitslauf, der uns bei der Diagnose und als nächstes bei der Lösung wichtiger Probleme mit Seagate Pipeline HD 1-TB HDD hilft
5. FAQ - häufig gestellte Fragen
6. Kontaktdaten Informationen darüber, wo man Kontakt zum Produzenten / Service von Seagate Pipeline HD 1-TB HDD im bestimmten Land suchen kann, wenn es nicht gelingt, das Problem selbst zu lösen.

Haben Sie eine Frage bezüglich Seagate Pipeline HD 1-TB HDD?

Nutzen Sie das untere Formular

Wenn Sie mit Hilfe der gefundenen Bedienungsanleitung Ihr Problem mit Seagate Pipeline HD 1-TB HDD nicht gelöst haben, stellen Sie eine Frage, indem Sie das untere Formular nutzen. Wenn einer der Nutzer ein ähnliches Problem mit Seagate Pipeline HD 1-TB HDD hatte, ist es möglich, dass er mit Ihnen die Lösung teilen möchte.

Text vom Bild übertragen

Kommentare (0)