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Table 2, Drive specifications for 250 Gbyte models

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Table 2: Drive specifications for 250 Gbyte models Drive specification Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density in BPI (kbits/inch max) Track density TPI (ktracks/inch avg) Areal density (Gbits/inch2 avg) Spindle speed (RPM) Internal data transfer rate (Mbits/sec max) Sustained transfer rate (Mbytes/sec max) I/O data transfer rate (Mbytes/sec max) ATA data-transfer modes supported SATA data-transfer modes supported Cache buffer Height (max) Width (max) Length (max) Weight (max) grams Average latency (msec) Power-on to ready (typical) Standby to ready (typical) Track-to-track seek time (msec typical) Average seek (msec typical) Startup current (typical) 12V (peak) Seek power (typical) DVR Operating (typical) Idle mode (typical) Standby mode (typical) Sleep mode (typical) Voltage tolerance (including noise) Ambient temperature Temperature gradient (°C per hour max) Relative humidity Relative humidity gradient Wet bulb temperature (°C max) Altitude, operating ST3250824SV 250 488,397,168 512 63 16 16,383 790.1 124.5 97.69 7,200 867.2 76.6 300 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-6 3.0 Gbits/sec 1.5 Gbits/sec 8 Mbytes 26.1 mm (1.028 inches) 101.6 mm (4.000 inches) +/-0.010 inches 146.99 mm (5.787 inches) 580 grams (1.28 lb.) 4.16 16 sec 16 sec

Section	Page
1.0 Introduction 1	3
1.1 About the Serial ATA interface 2	3
2.0 Drive specifications 3	3
2.1 Specification summaries 3	3
2.2 Formatted capacity 10	3
2.2.1 LBA mode 10	3
2.3 Default logical geometry 10	3
2.4 Recording and interface technology 11	3
2.5 Physical characteristics 12	3
2.6 Seek time 12	3
2.7 Start/stop times 13	3
2.8 Power specifications 13	3
2.8.1 Power consumption 13	3
2.8.2 Conducted noise 15	3
2.8.3 Voltage tolerance 15	3
2.8.4 Power-management modes 15	3
2.9 Environmental specifications 16	3
2.9.1 Ambient temperature 16	3
2.9.2 Temperature gradient 16	3
2.9.3 Humidity 16	3
2.9.4 Altitude 16	3
2.9.5 Shock 17	3
2.9.6 Vibration 17	3
2.10 Acoustics 18	3
2.11 Electromagnetic immunity 18	3
2.12 Reliability 19	3
2.13 Agency certification 19	3
2.13.1 Safety certification 19	3
2.13.2 Electromagnetic compatibility 19	3
2.13.3 FCC verification 20	3
2.14 Environmental protection 21	3
2.14.1 European Union Restriction of Hazardous Substances (RoHS) 21	3
2.15 Corrosive environment 21	3
3.0 Configuring and mounting the drive 23	3
3.1 Handling and static-discharge precautions 23	3
3.2 Breather filter hole precautions 24	3
3.3 Configuring the drive 25	3
3.4 Serial ATA cables and connectors 25	3
3.5 Drive mounting 26	3
4.0 Serial ATA (SATA) interface 27	3
4.1 Hot-Plug compatibility 27	3
4.2 Serial ATA device plug connector pin definitions 28	3
4.3 Supported ATA commands 30	3
4.3.1 Identify Device command 33	3
4.3.2 Set Features command 37	3
4.3.3 S.M.A.R.T. commands 38	3
4.3.4 Streaming feature set support 39	3
5.0 Seagate Technology support services 49	3
Figure 1. Typical 5V startup and operation current profile 14	5
Figure 2. Typical 12V startup and operation current profile 14	5
Figure 3. Breather filter hole location 24	5
Figure 4. Serial ATA jumper block and connectors 25	5
Figure 5. Attaching SATA cabling 25	5
Figure 6. Mounting dimensions-top, side and end view 26	5
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summaries	9
2.2 Formatted capacity	16
2.2.1 LBA mode	16
2.3 Default logical geometry	16
2.4 Recording and interface technology	17
2.5 Physical characteristics	18
2.6 Seek time	18
2.7 Start/stop times	19
2.8 Power specifications	19
2.8.1 Power consumption	19
2.8.1.1 Typical current profiles	20
2.8.2 Conducted noise	21
2.8.3 Voltage tolerance	21
2.8.4 Power-management modes	21
2.9 Environmental specifications	22
2.9.1 Ambient temperature	22
2.9.2 Temperature gradient	22
2.9.3 Humidity	22
2.9.3.1 Relative humidity	22
2.9.3.2 Wet bulb temperature	22
2.9.4 Altitude	22
2.9.5 Shock	23
2.9.5.1 Operating shock	23
2.9.5.2 Nonoperating shock	23
2.9.6 Vibration	23
2.9.6.1 Operating vibration	23
2.9.6.2 Nonoperating vibration	23
2.10 Acoustics	24
2.11 Electromagnetic immunity	24
2.12 Reliability	25
2.13 Agency certification	25
2.13.1 Safety certification	25
2.13.2 Electromagnetic compatibility	25
2.13.3 FCC verification	26
2.14 Environmental protection	27
2.14.1 European Union Restriction of Hazardous Substances (RoHS)	27
2.15 Corrosive environment	27
3.0 Configuring and mounting the drive	29
3.1 Handling and static-discharge precautions	29
3.2 Breather filter hole precautions	30
3.3 Configuring the drive	31
3.4 Serial ATA cables and connectors	31
3.5 Drive mounting	32
4.0 Serial ATA (SATA) interface	33
4.1 Hot-Plug compatibility	33
4.2 Serial ATA device plug connector pin definitions	34
4.3 Supported ATA commands	36
4.3.1 Identify Device command	39
4.3.2 Set Features command	43
4.3.3 S.M.A.R.T. commands	44
4.3.4 Streaming feature set support	45
4.3.4.1 Identify Device command	45
4.3.4.2 Streaming commands	45
4.3.4.2.1 Configure Stream (51h)	47
4.3.4.2.2 Read Stream DMA (2Ah)	48
4.3.4.3 Write Stream DMA (3Ah)	51
4.3.4.3.1 Time-constrained operations	53
4.3.4.3.2 Non-cached streaming writes use model	54
4.3.4.3.3 Non-streaming writes	54
5.0 Seagate Technology support services	55
Numerics	57
A	57
B	57
C	57
D	57
E	57
F	58
G	58
H	58
I	58
K	58
L	58
M	58
N	58
O	58
P	58
Q	58
R	58
S	59
T	59
U	60
V	60

Match case Limit results 1 per page

SV35 Series SATA Product Manual, Rev. B

Table 2:

Drive specifications for 250 Gbyte models

Drive specification

ST3250824SV

Formatted Gbytes (512 bytes/sector)*

250

Guaranteed sectors

488,397,168

Bytes per sector

512

Default sectors per track

Default read/write heads

Default cylinders

16,383

Recording density in BPI (kbits/inch max)

790.1

Track density TPI (ktracks/inch avg)

124.5

Areal density (Gbits/inch

avg)

97.69

Spindle speed (RPM)

7,200

Internal data transfer rate (Mbits/sec max)

867.2

Sustained transfer rate (Mbytes/sec max)

76.6

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

300

ATA data-transfer modes supported

PIO modes 0–4

Multiword DMA modes 0–2

Ultra DMA modes 0–6

SATA data-transfer modes supported

3.0 Gbits/sec

1.5 Gbits/sec

Cache buffer

8 Mbytes

Height (max)

26.1 mm (1.028 inches)

Width (max)

101.6 mm (4.000 inches) +/-0.010 inches

Length (max)

146.99 mm (5.787 inches)

Weight (max) grams

580 grams (1.28 lb.)

Average latency (msec)

4.16

Power-on to ready (typical)

16 sec

Standby to ready (typical)

16 sec

Track-to-track seek time (msec typical)

<0.8 (read), <1.0 (write)

Average seek (msec typical)

18 (read), 20 (write)

Startup current (typical) 12V (peak)

2.0 amps

Seek power (typical)

8.6 watts

DVR Operating (typical)

6.49 watts

Idle mode (typical)

8.00 watts

Standby mode (typical)

0.80 watts

Sleep mode (typical)

0.80 watts

Voltage tolerance

(including noise)

5V ± 5%

12V ± 10%

Ambient temperature

0° to 60°C (operating)

–40° to 70°C (nonoperating)

Temperature gradient

(°C per hour max)

20°C (operating)

30°C (nonoperating)

Relative humidity

5% to 90% (operating)

5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Wet bulb temperature

(°C max)

37.7 (operating)

40 (nonoperating)

Altitude, operating

–60.96 m to 3,048 m

(–200 ft to 10,000

ft)