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Drive specifications for 250 Gbyte model

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Table 2: Drive specifications for 250 Gbyte model Drive specification Formatted Gbytes (512 bytes/sector)* Guaranteed sectors Bytes per sector Default sectors per track Default read/write heads Default cylinders Recording density, KBPI (kbits/in max) Track density, KTPI (ktracks/in max) Areal density, (Gbits/in2 max) Spindle speed (RPM) Internal data transfer rate (Mbits/sec max) Sustained data transfer rate (Mbytes/sec max) I/O data-transfer rate (Mbytes/sec max) ATA data-transfer modes supported Cache buffer Height (mm max) Width (mm max) Length (mm max) Weight (typical) Average latency (msec) Power-on to ready (sec max) Standby to ready (sec max) 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 Altitude, nonoperating (below mean sea level, max) Operational Shock (max at 2 msec) ST3250824AV 250 488,397,168 512 63 16 16,383 790.1 124.5 97.69 7,200 867.2 76.6 100 PIO modes 0-4 Multiword DMA modes 0-2 Ultra DMA modes 0-5 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
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 12	3
2.8 Power specifications 13	3
2.8.1 Power consumption 13	3
2.8.2 Conducted noise 14	3
2.8.3 Voltage tolerance 14	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 19	3
2.12 Reliability 19	3
2.13 Agency certification 20	3
2.13.1 Safety certification 20	3
2.13.2 Electromagnetic compatibility 20	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 22	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 Jumper settings 25	3
3.3.1 Master/slave configuration 25	3
3.3.2 Cable-select option 25	3
3.3.3 Alternate capacity jumper 25	3
3.3.4 Ultra ATA/100 cable 26	3
3.4 Drive mounting 26	3
4.0 ATA interface 29	3
4.1 ATA interface signals and connector pins 29	3
4.1.1 Supported ATA commands 30	3
4.1.2 Identify Device command 33	3
4.1.3 Set Features command 37	3
4.1.4 S.M.A.R.T. commands 38	3
4.1.5 Streaming feature set support 39	3
5.0 Seagate Technology support services 51	3
1.0 Introduction	7
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	18
2.8 Power specifications	19
2.8.1 Power consumption	19
2.8.1.1 Typical current profile	20
2.8.2 Conducted noise	20
2.8.3 Voltage tolerance	20
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	25
2.12 Reliability	25
2.13 Agency certification	26
2.13.1 Safety certification	26
2.13.2 Electromagnetic compatibility	26
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	28
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 Jumper settings	31
3.3.1 Master/slave configuration	31
3.3.2 Cable-select option	31
3.3.3 Alternate capacity jumper	31
3.3.4 Ultra ATA/100 cable	32
3.4 Drive mounting	32
4.0 ATA interface	35
4.1 ATA interface signals and connector pins	35
4.1.1 Supported ATA commands	36
4.1.2 Identify Device command	39
4.1.3 Set Features command	43
4.1.4 S.M.A.R.T. commands	44
4.1.5 Streaming feature set support	45
4.1.5.1 Identify Device command	45
4.1.5.2 Streaming commands	45
4.1.5.2.1 Configure Stream (51h)	47
4.1.5.2.2 Read Stream DMA (2Ah)	48
4.1.5.3 Write Stream DMA (3Ah)	52
4.1.5.3.1 Time-constrained operations	54
4.1.5.3.2 Non-cached streaming writes use model	55
4.1.5.3.3 Non-streaming writes	55
5.0 Seagate Technology support services	57
Numerics	59
A	59
B	59
C	59
D	59
E	59
F	59
G	60
H	60
I	60
J	60
K	60
L	60
M	60
N	60
O	60
P	60
R	60
S	61
T	61
U	61
V	61

Match case Limit results 1 per page

SV35 Series Product Manual, Rev. B

Table 2:

Drive specifications for 250 Gbyte model

Drive specification

ST3250824AV

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, KBPI (kbits/in max)

790.1

Track density, KTPI (ktracks/in max)

124.5

Areal density, (Gbits/in

max)

97.69

Spindle speed (RPM)

7,200

Internal data transfer rate (Mbits/sec max)

867.2

Sustained data transfer rate (Mbytes/sec max)

76.6

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

100

ATA data-transfer modes supported

PIO modes 0–4

Multiword DMA modes 0–2

Ultra DMA modes 0–5

Cache buffer

8 Mbytes

Height (mm max)

26.1 mm (1.028 inches)

Width (mm max)

101.6 mm (4.000 inches) +/- 0.010 inches

Length (mm max)

146.99 mm (5.787 inches)

Weight (typical)

580 grams (1.28 lb.)

Average latency (msec)

4.16

Power-on to ready (sec max)

16 sec

Standby to ready (sec max)

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)

6.50 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.)

Altitude, nonoperating

(below mean sea level, max)

–60.96 m to 12,192 m

(–200 ft. to 40,000+ ft.)

Operational Shock (max at 2 msec)