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Seagate ST31500541AS Barracuda LP Series SATA Product Manual - Page 19

Power dissipation 2TB and 1.5TB models, Avg watts 25° C, Avg 5V typ amps, Avg 12V typ amps, Power - barracuda lp 1 5tb

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Table 3: DC power requirements Power dissipation (2TB and 1.5TB models) Spinup Idle* † Operating (average) Standby Sleep Avg (watts 25° C) - 4.30 6.80 0.500 0.500 Avg 5V typ amps - 0.168 0.360 0.350 0.350 Avg 12V typ amps 2.0 (peak) 0.337 0.420 0.010 0.010 Power dissipation (1TB models) Spinup Idle* † Operating (average) Standby Sleep Avg (watts 25° C) - 3.00 5.70 0.321 0.321 Avg 5V typ amps - 0.239 0.335 0.225 0.225 Avg 12V typ amps 2.0 (peak) 0.216 0.350 0.096 0.096 *During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. †5W IDLE with DIPLM Enabled Note. Drive supports PHY layer power management. When enabled, a power savings of ~300mw can be achieved in Idle, Standby and Sleep modes. Barracuda LP Series SATA Product Manual, Rev. D 11

Section	Page
1.0 Introduction	9
1.1 About the Serial ATA interface	10
2.0 Drive specifications	11
2.1 Formatted capacity	16
2.1.1 LBA mode	16
2.2 Default logical geometry	16
2.3 Recording and interface technology	16
2.4 Physical characteristics	17
2.5 Access time	17
2.6 Start/stop times	17
2.7 Power specifications	18
2.7.1 Power consumption	18
2.7.1.1 Typical current profiles	20
2.7.2 Conducted noise	20
2.7.3 Voltage tolerance	20
2.7.4 Power-management modes	21
2.8 Environmental specifications	22
2.8.1 Ambient temperature	22
2.8.2 Temperature gradient	22
2.8.3 Humidity	22
2.8.3.1 Relative humidity	22
2.8.3.2 Wet bulb temperature	22
2.8.4 Altitude	22
2.8.5 Shock	23
2.8.5.1 Operating shock	23
2.8.5.2 Nonoperating shock	23
2.8.6 Vibration	23
2.8.6.1 Operating vibration	23
2.8.6.2 Nonoperating vibration	23
2.9 Acoustics	24
2.9.1 Test for Prominent Discrete Tones (PDTs)	24
2.10 Electromagnetic immunity	24
2.11 Warranty	25
2.12 Agency certification	25
2.12.1 Safety certification	25
2.12.2 Electromagnetic compatibility	25
2.12.3 FCC verification	25
2.13 Environmental protection	27
2.13.1 European Union Restriction of Hazardous Substances (RoHS) Directive	27
2.13.2 China Restriction of Hazardous Substances (RoHS) Directive	27
2.14 Corrosive environment	27
3.0 Configuring and mounting the drive	28
3.1 Handling and static-discharge precautions	28
3.2 Configuring the drive	29
3.3 Serial ATA cables and connectors	29
3.4 Drive mounting	30
4.0 Serial ATA (SATA) interface	31
4.1 Hot-Plug compatibility	31
4.2 Serial ATA device plug connector pin definitions	32
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	43
I	43
K	44
L	44
M	44
N	44
O	44
P	44
Q	44
R	44
S	44
T	45
U	45
V	45