Инструкция LFF (3.5") Серверный HDD Seagate Exos X24

2.5.2 Conducted noise (стр. 19 из 59)

Бренд: LFF

Страница 19 документа LFF (3.5") Серверный HDD Seagate Exos X24. Раздел: Серверные HDD. Бренд: LFF.

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www.seagate.com
Drive specifications

2.5.1.1
Typical current profiles

Figure 1.
Typical 5V and 12V startup and operation current profiles

2.5.2
Conducted noise

Noise is specified as a periodic and random distribution of frequencies covering a band from DC to 10 MHz. Maximum
allowed noise values given below are peak-to-peak measurements and apply at the drive power connector.

+5v
=
250 mV pp from 100 Hz to 20 MHz.

+12v
=
800 mV pp from 100 Hz to 8 KHz.
450 mV pp from 8 KHz to 20 KHz.
250 mV pp from 20 KHz to 5 MHz.

2.5.3
Voltage tolerance

Voltage tolerance (including noise):

5V ± 5%12V ± 10%

Seagate Exos X24 SATA Product Manual, Rev. C
18

Оглавление

X24 SATA Product Manual 1
Seagate® Technology Support Services 6
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 13
2.2.1 Fast Format - logical sector size conversion 13
2.2.2 LBA mode 14
2.3 Recording and interface technology 15
2.4 Start/stop times 15
2.5 .Power specifications 16
2.5.1 Power consumption 16
2.5.2 Conducted noise 19
2.5.3 Voltage tolerance 19
2.5.4 Extended Power Conditions - PowerChoice™ 20
2.6 Environmental limits 22
2.6.1 Temperature 22
2.6.2 Humidity 22
2.6.3 Effective Altitude (sea level) 22
2.6.4 Shock and Vibration 22
2.7 Acoustics 24
2.7.1 Test for Prominent Discrete Tones (PDTs) 24
2.8 Electromagnetic immunity 24
2.9 Reliability 25
2.9.1 Annualized Failure Rate (AFR) and Mean Time Between Failures (MTBF) 25
2.10 HDD and SSD Regulatory Compliance and Safety 26
2.10.1 Regulatory Models 26
2.11 Corrosive environment 26
2.12 Reference documents 26
2.13 Product warranty 27
2.13.1 Shipping 27
2.13.2 Storage 27
2.13.3 Product repair and return information 27
3.0 Configuring and mounting the drive 28
3.1 Handling and static-discharge precautions 28
3.2 Configuring the drive 28
3.3 Serial ATA cables and connectors 28
3.4 Drive mounting 29
3.4.1 Mechanical specifications 29
4.0 About self-encrypting drives 30
4.1 Data encryption 30
4.2 Controlled access 30
4.2.1 Admin SP 30
4.2.2 Locking SP 30
4.2.3 Default password 30
4.3 Random number generator (RNG) 31
4.4 Drive locking 31
4.5 Data bands 31
4.6 Cryptographic erase 31
4.7 Authenticated firmware download 31
4.8 Power requirements 31
4.9 Supported commands 32
4.10 RevertSP 32
4.10.1 ATA Security Erase Unit Command on SED SATA drives 32
4.10.2 Sanitize Device - CRYPTO SCRAMBLE EXT 32
5.0 Serial ATA (SATA) interface 33
5.1 Hot-Plug compatibility 33
5.2 Serial ATA device plug connector pin definitions 34
5.3 Supported ATA commands 35
5.3.1 Identify Device command 37
5.3.2 Identify Device Data log 42
5.3.3 Device Statistics log 55
5.3.4 Set Features command 57
5.3.5 S.M.A.R.T. commands 57

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