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Seagate SV35 SV35.3 Series SATA Product Manual - Page 23

Acoustics, Electromagnetic immunity

UPC - 000068216948

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2.10 Acoustics Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All measurements are consistent with ISO document 7779. Sound power measurements are taken under essentially free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward. Note. For seek mode tests, the drive is placed in seek mode only. The number of seeks per second is defined by the following equation: (Number of seeks per second = 0.4 / (average latency + average access time) Table 4: Fluid Dynamic Bearing (FDB) motor acoustics Idle* CE Seek ST31000340SV ST3750330SV ST3500320SV 2.7 bels (typ) 2.9 bels (max) 2.8 bels (typ) 3.0 bels (max) ST3250310SV 2.5 bels (typ) 2.8 bels (max) 2.6 bels (typ) 2.8 bels (max) *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. 2.11 Electromagnetic immunity When properly installed in a representative host system, the drive operates without errors or degradation in performance when subjected to the radio frequency (RF) environments defined in the following table: Table 5: Radio frequency environments Test Description Performance level Reference standard Electrostatic Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV B discharge EN 61000-4-2: 95 Radiated RF immunity 80 to 1,000 MHz, 3 V/m, A 80% AM with 1 kHz sine 900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz EN 61000-4-3: 96 ENV 50204: 95 Electrical fast ± 1 kV on AC mains, ± 0.5 kV on external I/O B transient EN 61000-4-4: 95 Surge immunity ± 1 kV differential, ± 2 kV common, AC mains B EN 61000-4-5: 95 Conducted RF 150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz sine A immunity EN 61000-4-6: 97 Voltage dips, interrupts 0% open, 5 seconds 0% short, 5 seconds 40%, 0.10 seconds 70%, 0.01 seconds C EN 61000-4-11: 94 C C B SV35.3 Series Serial ATA Product Manual, Rev. B 17

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 summary tables 3	3
2.2 Formatted capacity 8	3
2.2.1 LBA mode 8	3
2.3 Default logical geometry 8	3
2.4 Recording and interface technology 9	3
2.5 Physical characteristics 9	3
2.6 Seek time 10	3
2.7 Start/stop times 10	3
2.8 Power specifications 11	3
2.8.1 Power consumption 11	3
2.8.2 Conducted noise 13	3
2.8.3 Voltage tolerance 13	3
2.8.4 Power-management modes 14	3
2.9 Environmental specifications 15	3
2.9.1 Drive case temperature 15	3
2.9.2 Temperature gradient 15	3
2.9.3 Humidity 15	3
2.9.4 Altitude 15	3
2.9.5 Shock 16	3
2.9.6 Vibration 16	3
2.10 Acoustics 17	3
2.11 Electromagnetic immunity 17	3
2.12 Reliability 18	3
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) 18	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 19	3
2.14 Environmental protection 20	3
2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive 20	3
2.14.2 China Restriction of Hazardous Substances (RoHS) Directive 20	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 Configuring the drive 24	3
3.3 Serial ATA cables and connectors 24	3
3.4 Drive mounting 25	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 39	3
5.0 Seagate Technology support services 41	3
Figure 1. Serial ATA connectors 24	5
Figure 2. Attaching SATA cabling 24	5
Figure 3. Mounting dimensions-top, side and end view 25	5
1.0 Introduction	7
1.1 About the Serial ATA interface	8
2.0 Drive specifications	9
2.1 Specification summary tables	9
2.2 Formatted capacity	14
2.2.1 LBA mode	14
2.3 Default logical geometry	14
2.4 Recording and interface technology	15
2.5 Physical characteristics	15
2.6 Seek time	16
2.7 Start/stop times	16
2.8 Power specifications	17
2.8.1 Power consumption	17
2.8.2 Conducted noise	19
2.8.3 Voltage tolerance	19
2.8.4 Power-management modes	20
2.9 Environmental specifications	21
2.9.1 Drive case temperature	21
2.9.2 Temperature gradient	21
2.9.3 Humidity	21
2.9.3.1 Relative humidity	21
2.9.3.2 Wet bulb temperature	21
2.9.4 Altitude	21
2.9.5 Shock	22
2.9.5.1 Operating shock	22
2.9.5.2 Nonoperating shock (4, 3 and 2 disc models)	22
2.9.5.3 Nonoperating shock (1 disc models)	22
2.9.6 Vibration	22
2.9.6.1 Operating vibration	22
2.9.6.2 Nonoperating vibration	22
2.10 Acoustics	23
2.11 Electromagnetic immunity	23
2.12 Reliability	24
2.12.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF)	24
2.13 Agency certification	25
2.13.1 Safety certification	25
2.13.2 Electromagnetic compatibility	25
2.13.3 FCC verification	25
2.14 Environmental protection	26
2.14.1 European Union Restriction of Hazardous Substances (RoHS) Directive	26
2.14.2 China Restriction of Hazardous Substances (RoHS) Directive	26
2.15 Corrosive environment	27
3.0 Configuring and mounting the drive	29
3.1 Handling and static-discharge precautions	29
3.2 Configuring the drive	30
3.3 Serial ATA cables and connectors	30
3.4 Drive mounting	31
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	45
5.0 Seagate Technology support services	47
Index	49
A	49
C	49
D	49
E	49
F	49
G	49
H	49
I	49
K	50
L	50
M	50
N	50
O	50
P	50
Q	50
R	50
S	50
T	51
U	51
V	51