Manuale d’uso / di manutenzione del prodotto ST3250824SV del fabbricante Seagate
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Product Manual SV35 Series SA T A 100415208 Re v . C October 2007 ST3500641SV ST3250824SV ST3160812SV.
Revision history Copyright © 2006-2007 Se agate T echnology LL C. All rights reserv ed. Printed in U.S.A. Publication number: 100415208 , Re v . C October 200 7 Seagate, Seagate T echnology and the W ave logo ar e registere d trademarks of Seagate T echnology LLC in the United S t ates and/or ot her countries .
SV35 Series SATA Product Manual, Rev. C i Contents 1.0 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 About the Serial ATA interface . . . . . . .
ii SV35 Series SATA Product Manual, Rev. C.
SV35 Series SATA Product Manual, Rev. C iii List of Figures Figure 1. Typical 5V startup and operation c urrent profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Figure 2. Typical 12V startup and operation current profile .
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SV35 Series SATA Product Manual, Rev. C 1 1.0 Introduction This manual describes the functiona l, mechanical an d interface specifications for the following Seagate SV35 Series SA T A model drives: • ST3500641SV • ST3250824SV • ST3160812SV These drives provide the following key fea tures: • S pe cifically designed for surveilance DVRs.
2 SV35 Series SATA Product Manual, Rev. C 1.1 About the Serial A T A interface The Serial A T A interface provides several ad vanta ges over the traditional (p arallel) A T A interf ace. The prim ary advantages include : • Easy installation and configuration with true plug-and-play connectivity .
SV35 Series SATA Product Manual, Rev. C 3 2.0 Drive specifications Unless otherwise noted, all specific ations are meas ured under a mbient conditions, at 25°C, and nominal power . For convenience, the phr ases the drive and this drive are used throughout this ma nual to indicate the following models: 2.
4 SV35 Series SATA Product Manual, Rev. C T able 1: Drive specificatio ns for 500 Gbyte models Drive specification ST3500641SV Formatted Gbytes (512 bytes/sector)* 500 Guaranteed sectors 976,773,168 Bytes per secto r 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density in BPI (kbits/inch max) 790.
SV35 Series SATA Product Manual, Rev. C 5 *One Gbyte equals one billion bytes when referr ing to har d drive capacity. Accessible c apacity may vary de pending on operating environment and formatting. * *During pe riods of drive idle, some offli ne activity may occur according to the S.
6 SV35 Series SATA Product Manual, Rev. C T able 2: Drive specificatio ns for 250 Gbyte models Drive specification ST3250824SV Formatted Gbytes (512 bytes/sector)* 250 Guaranteed sectors 488,397,168 Bytes per secto r 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density in BPI (kbits/inch max) 790.
SV35 Series SATA Product Manual, Rev. C 7 *One Gbyte equals one billion bytes when referr ing to har d drive capacity. Accessible c apacity may vary de pending on operating environment and formatting. * *During pe riods of drive idle, some offli ne activity may occur according to the S.
8 SV35 Series SATA Product Manual, Rev. C T able 3: Drive specificatio ns for 160 Gbyte models Drive specification ST3160812SV Formatted Gbytes (512 bytes/sector)* 160 Guaranteed sectors 312,581,808 Bytes per secto r 512 Default sectors per track 63 Default read/write heads 16 Default cylinders 16,383 Recording density in BPI (kbits/inch max) 840.
SV35 Series SATA Product Manual, Rev. C 9 *One Gbyte equals one billion bytes when referr ing to har d drive capacity. Accessible c apacity may vary de pending on operating environment and formatting. **During periods of drive idle, some offlin e activity may occur acco rding to the S.
10 SV35 Series SATA Product Manual , Rev. C 2.2 Formatted cap acity *One Gbyte equals one billion bytes when referri ng to hard drive capacity. Accessible c apa city may vary dependin g on operating environment and formatting.
SV35 Series SATA Product Manual, Rev. C 11 2.4 Recording and interface tec hnology Interface ATA Recording method 16/17 EPRM L Recording de nsity KBPI (kbits/i nch max) ST3500641SV and ST3250824SV 790.1 ST3160812SV 840.0 T rack density KTPI (ktracks/inch max) ST3500641SV and ST3250824SV 124.
12 SV35 Series SATA Product Manual , Rev. C 2.5 Physical characteristics 2.6 Seek time Seek measurement s are taken with nominal p ower at 25°C ambient tempera ture.
SV35 Series SATA Product Manual, Rev. C 13 2.7 St art/stop times 2.8 Power specifications The drive receives DC power ( +5V and +12V) thr oug h a native SA T A power connector . See Figure 5 on pag e 25 . 2.8.1 Power co nsumption Power requirement s for the drives are listed in the table on page 9.
14 SV35 Series SATA Product Manual , Rev. C 2.8.1.1 T ypical current prof iles Figure 1 T ypical 5V s t a rtup and operation cur rent profile Figure 2 T ypical 12V startup and operation current pro fi.
SV35 Series SATA Product Manual, Rev. C 15 2.8.2 C onducted noise Input noise ripp le is measured at the ho st system powe r supply across an equivalent 80-oh m resistive load on the +12 volt line or an equival ent 15-ohm resistive load on the +5 volt line.
16 SV35 Series SATA Product Manual , Rev. C Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins coun ting down from its spec ified delay times to zero. If the standby timer reaches zero before a n y drive activity is required, the driv e m akes a transition to S tandby mode.
SV35 Series SATA Product Manual, Rev. C 17 2.9.5 Sho ck All shock specifications assu me that the drive is mounted secu rely with the input shock applied at the drive mounting screws.
18 SV35 Series SATA Product Manual , Rev. C 2.10 Acoustics Drive acoustics are measured as overall A-we ighted ac oustic sound power levels (no pure tones). All mea - surements ar e consistent with ISO document 7779. Sound power measurem en ts are ta ken under e ssentially free-field conditions over a reflecting plane.
SV35 Series SATA Product Manual, Rev. C 19 2.12 Reliability 2.13 Agency certification 2.13.1 Safety certification The drives are recognized in accordance with UL 1950 and CSA C22.2 (9 50) and meet all applicable sections of IEC950 and EN 60950 as tested by TUV North America.
20 SV35 Series SATA Product Manual , Rev. C Australian C-Ti ck (N176) If these models have the C-Tick marking, they comply with the Australia/New Zealand S tandard AS/NZS3548 1995 and meet the Electromagne tic Compatibility (EMC) Framework requirement s of the Australian Communi - cation Authority (ACA).
SV35 Series SATA Product Manual, Rev. C 21 2.14 Environment al protection Seagate des igns its products to meet enviro nmental pr otection requirement s worldwide, including re gulations restricting certain chemical substances.
22 SV35 Series SATA Product Manual , Rev. C.
SV35 Series SATA Product Manual, Rev. C 23 3.0 Configuring and mounting the drive This section contains the specif ications an d instructions for configuring and mounting the drive.
24 SV35 Series SATA Product Manual , Rev. C 3.2 Breather filter hole precautions This section contains informat ion regarding the precau tions to take with the breather filter hole in Seagate hard disc drives. T ake the proper precautions to ensure fu ll functionality and to prevent possible damage to the drive.
SV35 Series SATA Product Manual, Rev. C 25 3.3 Configuring the drive Each drive on the Ser ial A T A interface connects in a point-to-point configuration with the Serial A T A host adapter . There is no master/slave rela tionship because each drive is consid ered a master in a p oint-to-point relationships.
26 SV35 Series SATA Product Manual , Rev. C 3.5 Drive mounting Y ou can mount the drive in any orient ation using four screws in the side- mounting holes or four screws in the bottom-mounting holes. See Figure 6 on page 2 6 for drive mounting dimensions.
SV35 Series SATA Product Manual, Rev. C 27 4.0 Serial A T A (SA T A) interface These drives use the industry-s tandard Ser ial A T A interfac e that supp orts FIS data transfers. It suppor ts A T A programmed input/o utput (PIO) modes 0–4; mult iword DMA modes 0–2, and Ultra DM A modes 0–6.
28 SV35 Series SATA Product Manual , Rev. C 4.2 Serial A T A device plug connector pin definitions Table 6 summarizes the signals on the Seria l ATA interface and power connectors. . Notes: 1. All pins are in a single row , with a 1.27 mm (0.050”) pitch.
SV35 Series SATA Product Manual, Rev. C 29 case, the mating sequences ar e: • the ground p ins P4 and P12. • the pre-charge power pins and the other ground pin s. • the signal pins and the rest of the powe r pins. 3. There ar e three power p ins for each voltage.
30 SV35 Series SATA Product Manual , Rev. C 4.3 Supported A T A commands The following t able list s Serial A T A standard comman ds that the drive suppo rts. For a det ailed description of the A T A commands, refer to the Serial A T A: High S peed Serialized A T Attachment specification .
SV35 Series SATA Product Manual, Rev. C 31 Read Sectors 20 H Read Sectors Extended 24 H Read Sectors Without Retries 21 H Read V erify Sectors 40 H Read V erify Sectors Extended 42 H Read V erify Sect.
32 SV35 Series SATA Product Manual , Rev. C S.M.A.R.T . Read Log Sector B0 H / D5 H S.M.A.R.T . Return S tatus B0 H / DA H S.M.A.R.T . Save Attribute V alues B0 H / D3 H S.
SV35 Series SATA Product Manual, Rev. C 33 4.3.1 Identify Dev ice command The Identify Device command (command code EC H ) transfers information about the drive to the host following power up. The da ta is organized as a single 51 2-byte block of data, whose contents are shown in T able 7 on pag e 30 .
34 SV35 Series SATA Product Manual , Rev. C 53 Words 54–58, 64–70 and 88 are valid 0007 H 54 Number of current logical cylinders xxxx H 55 Number of current logical heads xxxx H 56 Number of curre.
SV35 Series SATA Product Manual, Rev. C 35 Note. Advance d Power Management (APM) and Automatic Acou stic Manageme nt (AAM) feat ures are not supported Note.
36 SV35 Series SATA Product Manual , Rev. C 10 Multiword DMA mode 2 is currently active. Bit Word 8 8 0 Ultra DMA mode 0 is supp orted. 1 Ultra DMA mode 1 is supp orted. 2 Ultra DMA mode 2 is supp orted. 3 Ultra DMA mode 3 is supp orted. 4 Ultra DMA mode 4 is supp orted.
SV35 Series SATA Product Manual, Rev. C 37 4.3.2 Set Featu res command This command controls the implement ation of various feat ures that th e drive supports. When the drive receives this command, it sets BSY , checks the contents of the Featur es register , clears BSY and generate s an inter - rupt.
38 SV35 Series SATA Product Manual , Rev. C Note. At power-on, or after a hardwa re or software rese t, the default values of th e features are as indi - cated above. 4.3.3 S.M.A.R.T . commands S.M.A.R.T . provides near-term failure prediction for di sc drives.
SV35 Series SATA Product Manual, Rev. C 39 4.3.4 S treaming feature set support The S treaming feature set is an optional feature set that allows a host to request delivery of data fr om a contig - uous logical block address ra nge within an allotted time.
40 SV35 Series SATA Product Manual , Rev. C The streaming commands ma y access any user LBA on a device. These commands may be interspe rsed with non-streaming comm ands, but there may be an imp act on performance due to the unknown time required to complete the non -streaming comm ands.
SV35 Series SATA Product Manual, Rev. C 41 4.3.4.2. 1 Configur e Stream (51h) The Configure S tream command specifies the default CCTL (Command Completion T ime Limit) for streaming commands, and informs the drive of the Alloca tion Unit size and alignment.
42 SV35 Series SATA Product Manual , Rev. C 4.3.4.2.2 Read Stream DMA (2Ah) Protocol: DMA In This command reads from 1 to 65536 sectors as specified in the Sector Count register .
SV35 Series SATA Product Manual, Rev. C 43 If the value is 0, the drive shall use the Default Comm an d Completion Ti me Limit supplied with the most re cent previous CONFIGURE STREAM comma nd for this S tream type (Read or Wr ite).
44 SV35 Series SATA Product Manual , Rev. C CCTO (Command Completion T ime Out) 1 This bit shall be set to 1 if a Command Co mpletion Time Out error has oc curred. SECTOR COUNT REGISTER FIELD DESCRIPTIONS LBA Low/Mid/High The address of the first uncorrect able error .
SV35 Series SATA Product Manual, Rev. C 45 4.3.4.3 Write Stream DMA (3Ah) Protocol: DMA Out The Wr ite S tream DMA command allows the host to write data using the DMA data transfer protocol.
46 SV35 Series SATA Product Manual , Rev. C F 1 T his bit specifies that a ll data for the specified st ream shall be flus hed to the media b efore command complete is reported. CCTL (Command Completion T ime Limit) The time allowed for the current command to co mplete.
SV35 Series SATA Product Manual, Rev. C 47 IDNF 1 This bit shall be set to 1 if a user-accessible addres s could not be found. IDNF shall be set to 1 if an address out s ide of the ra nge of user-accessible add resses is requested if command aborted is n ot returned.
48 SV35 Series SATA Product Manual , Rev. C If write caching is allo wed, the actuator coul d be busy servicing a cached write at virtually any time. T he impli - cation is that a timeout on a read command could actua lly be due to a cached writ e.
SV35 Series SATA Product Manual, Rev. C 49 5.0 Seagate T echnology support services Internet For information regarding Seag ate products and service s, visit www .sea g ate.com . Worldwide support is available 24 hours da ily by email for your questions.
50 SV35 Series SATA Product Manual , Rev. C Customer Service Operations W arranty Service Seagate of fers worldwide customer support for Seagate product s. Seagate distributor s, OEMs and ot her direct customers should contact their Seagate Customer Serv ice Operat ions (CSO) repr esentative for warran ty- related issues.
SV35 Series SATA Product Manual, Rev. C 51 Index Numerics 3D Defense System 1 A ACA 20 acceleration 17 acoustics 7 , 9 , 18 Active 15 Active m ode 15 actuator arm 13 AFR 19 Agency certification 19 alt.
52 SV35 Series SATA Product Manual , Rev. C Execute Device Diagnostics 30 F FCC verification 20 features 1 Federal Commun ications Commission 20 Flush Cache 30 Flush Cache Exte nded 30 Format Track 30.
SV35 Series SATA Product Manual, Rev. C 53 random seeks 13 Read Buffer 3 0 Read DMA 30 Read DMA Extended 30 Read DMA without Retries 30 read errors 5 , 7 , 9 , 19 Read Log Ext 30 Read Multiple 1 , 30 .
54 SV35 Series SATA Product Manual , Rev. C TPI 4 , 6 , 8 Track density 4 , 6 , 8 track density 11 Track-to-track 12 Track-to-track seek time 4 , 6 , 8 , 12 Tunneling Magnetoresistive ( T MR) heads 1 .
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Seagate T echnology LLC 920 Disc Drive, Scott s V alley , California 95066-4544, USA Publication Number: 100415208, Re v . C, Printed in U.S.A..
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Seagate ST3250824SV è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Seagate ST3250824SV - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Seagate ST3250824SV imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Seagate ST3250824SV ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Seagate ST3250824SV, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Seagate ST3250824SV.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Seagate ST3250824SV. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Seagate ST3250824SV insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.