Seagate ST3160811AS, ST3120811AS Recording and interface technology, Physical characteristics

Page 17

2.4Recording and interface technology

Interface

Serial ATA (SATA)

 

 

Recording method

16/17 EPRML

 

 

Recording density KBPI (kbits/inch max)

756.09

 

 

Track density KTPI (ktracks/inch avg)

141.95

 

 

Areal density (Gbits/inch2 avg)

103.8

Spindle speed (RPM) (± 0.2%)

7,200

 

 

Average latency (msec)

4.16

 

 

Internal data-transfer rate (Mbits/sec max)

867.2

 

 

Sustained data transfer rate OD (Mbytes/sec max)

80

 

 

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

300

 

 

Interleave

1:1

 

 

Cache buffer

 

ST3160811AS

8 Mbytes (8,192 kbytes)

ST3120811AS

 

ST380811AS

 

ST3160211AS

2 Mbytes (2,048 kbytes)

ST3120211AS

 

ST380211AS

 

ST340211AS

 

 

 

2.5

Physical characteristics

 

 

 

Maximum height

 

 

(mm)

19.99

 

(inches)

0.787

 

 

Maximum width

 

 

(mm)

101.6

 

(inches)

 

4.000 +/- 0.010

 

 

 

 

Maximum length

 

 

(mm)

146.99

 

(inches)

5.787

 

 

 

Max weight

 

 

 

160 and 120 GB models

380 grams (0.838 pounds)

 

80 and 40 GB model

365 grams (0.805 pounds)

 

 

 

Barracuda 7200.9 Serial ATA Product Manual, Rev. C

11

Image 17
Contents Barracuda 7200.9 Serial ATA Page Contents Barracuda 7200.9 Serial ATA Product Manual, Rev. C List of Figures Page Introduction About the Serial ATA interface Specification summary tables Drive specificationsDrive specification ST3160811AS ST3160211AS Drive specifications summary for 160 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST3120811AS ST3120211AS Drive specifications summary for 120 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C Drive specification ST380811AS ST380211AS ST340211AS Drive specifications summary for 80 and 40 Gbyte modelsBarracuda 7200.9 Serial ATA Product Manual, Rev. C LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383Recording and interface technology Physical characteristicsTypical seek times msec Read Write Seek timeStart/stop times Power specifications Voltage tolerance Typical current profilesConducted noise Active mode Power-management modesIdle mode Sleep modeEnvironmental specifications Vibration AcousticsOperating vibration Nonoperating vibrationReliability Electromagnetic immunityRadio frequency environments Test Description Performance level Reference standardAgency certification Safety certificationElectromagnetic compatibility Korean RRLEuropean Union Restriction of Hazardous Substances RoHS Environmental protectionFCC verification Corrosive environment Barracuda 7200.9 Serial ATA Product Manual, Rev. C Handling and static-discharge precautions Configuring and mounting the driveSerial ATA cables and connectors Configuring the driveDrive mounting Mounting dimensions-top, side and end viewBarracuda 7200.9 Serial ATA Product Manual, Rev. C Hot-Plug compatibility Serial ATA Sata interfaceSerial ATA connector pin definitions Serial ATA device plug connector pin definitionsSignal Pin Function DefinitionCommand name Command code in hex Supported ATA commandsSupported ATA commands F4H Word Description Value Identify Device commandXx07H Bit Word Description if bit is set to Bit WordSet Features command values Set Features commandCode in features register A.R.T. command 3 S.M.A.R.T. commandsM.A.R.T. commands Barracuda 7200.9 Serial ATA Product Manual, Rev. C Internet Seagate Technology support servicesPresales Support Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index RRL Sata Barracuda 7200.9 Serial ATA Product Manual, Rev. C Page Seagate Technology LLC