Seagate ST9320325AS Momentus 5400.6 SATA Product Manual - Page 23

Momentus 5400.6 SATA Product Manual, Rev. E

17

2.13

Reliability

Measurement type

Specification

Nonrecoverable read errors

1 per 10

14

bits read, max.

Annualized Failure Rate (AFR)

<0.48%

Load/Unload (U/UL)

25°C, 50% relative humidity





600,000 software-controlled power on/off cycles

20,000 hard power on/off cycles

600,000 software-controlled power on/off cycles

20,000 hard power on/off cycles

Warranty

To determine the warranty for a specific drive, use a web browser to access the

following web page:

support.seagate.com/customer/warranty_validation.jsp

You will be asked to provide the drive serial number, model number (or part num-

ber) and country of purchase. After submitting this information, the system will dis-

play the warranty information for your drive.

2.13.1

Free Fall Protection feature

The Free Fall Protection feature provides enhanced data protection against shock events that may occur while

the drive is operating. This feature is designed to decrease the likelihood of data loss by detecting a free fall

event and unloading the actuator before a shock takes place in falls of >8 inches (nominal). The drive uses a 0

G sensor mounted on the printed circuit board assembly (PCBA) to sense this event.

To enable the Free Fall Protection feature on ST9500325ASG, ST9320325ASG, ST9250315ASG,

ST9160314ASG, ST9120315ASG and ST980313ASG models, use Set Features command 41h. To disable

this feature, use Set Features command C1h.

Information about Free Fall Events that have occurred is available through SMART attribute FEh.

Note.

Of the models documented in this product manual, the Free Fall Protection feature is provided only

on ST9500325ASG, ST9320325ASG, ST9250315ASG, ST9160314ASG,

ST9120315ASG, and

ST980313ASG models.

Section	Page
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary table	9
2.2 Formatted capacity	14
2.2.1 LBA mode	15
2.3 Default logical geometry	15
2.4 Physical organization	15
2.5 Recording and interface technology	15
2.6 Physical characteristics	16
2.7 Seek time	16
2.8 Start/stop times	16
2.9 Power specifications	17
2.9.1 Power consumption	17
2.9.1.1 Typical current profile	18
2.9.2 Deferred spinup	18
2.9.3 Conducted noise	18
2.9.4 Voltage tolerance	18
2.9.5 Power-management modes	19
2.10 Environmental specifications	20
2.10.1 Ambient temperature	20
2.10.2 Temperature gradient	20
2.10.3 Humidity	20
2.10.3.1 Relative humidity	20
2.10.3.2 Wet bulb temperature	20
2.10.4 Altitude	20
2.10.5 Shock	21
2.10.5.1 Operating shock	21
2.10.5.2 Nonoperating shock	21
2.10.6 Vibration	21
2.10.6.1 Operating vibration	21
2.10.6.2 Nonoperating vibration	21
2.11 Acoustics	22
2.12 Electromagnetic immunity	22
2.13 Reliability	23
2.13.1 Free Fall Protection feature	23
2.14 Agency certification	24
2.14.1 Safety certification	24
2.14.2 Electromagnetic compatibility	24
2.14.3 FCC verification	25
2.15 Environmental protection	26
2.15.1 European Union Restriction of Hazardous Substances (RoHS)	26
2.15.2 China Restriction of Hazardous Substances (RoHS) Directive	26
2.16 Corrosive environment	26
3.0 Configuring and mounting the drive	27
3.1 Handling and static-discharge precautions	27
3.2 Configuring the drive	28
3.3 Serial ATA cables and connectors	28
3.4 Drive mounting	29
4.0 Serial ATA (SATA) interface	31
4.1 Hot-Plug compatibility	31
4.2 Serial ATA device plug connector pin definitions	31
4.3 Supported ATA commands	33
4.3.1 Identify Device command	35
4.3.2 Set Features command	39
4.3.3 S.M.A.R.T. commands	40
5.0 Seagate Technology support services	41
Index	43
A	43
B	43
C	43
D	43
E	43
F	43
G	43
H	44
I	44
K	44
L	44
M	44
N	44
O	44
P	44
Q	44
R	44
S	45
T	45
U	45
V	45

Seagate ST9320325AS Momentus 5400.6 SATA Product Manual - Page 23

Reliability

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