2.11Electromagnetic 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 6: | Radio frequency environments |
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Test |
| Description | Performance level | Reference standard |
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Electrostatic |
| Contact, HCP, VCP: ± 4 kV; Air: ± 8 kV | B | EN |
discharge |
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Radiated RF |
| 80 to 1,000 MHz, 3 V/m, | A | EN |
immunity |
| 80% AM with 1 kHz sine |
| ENV 50204: 95 |
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| 900 MHz, 3 V/m, 50% pulse modulation @ 200 Hz |
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Electrical fast | ± 1 kV on AC mains, ± 0.5 kV on external I/O | B | EN | |
transient |
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Surge immunity | ± 1 kV differential, ± 2 kV common, AC mains | B | EN | |
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Conducted RF | 150 kHz to 80 MHz, 3 Vrms, 80% AM with 1 kHz sine | A | EN | |
immunity |
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Voltage dips, |
| 0% open, 5 seconds | C | EN |
interrupts |
| 0% short, 5 seconds | C |
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| 40%, 0.10 seconds | C |
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| 70%, 0.01 seconds | B |
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2.12 | Reliability |
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Nonrecoverable read errors | 1 per 1014 bits read, max | |
Annualized Failure Rate (AFR) | 0.34% (nominal power, 25°C ambient temperature) | |
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Contact | 50,000 cycles | |
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| (at nominal voltage and temperature, with 60 cycles per hour and a 50% duty cycle) |
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Warranty |
| 5 years on distribution units. |
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| To determine the warranty for a specific drive, use a web browser to access the fol- |
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| lowing web page: |
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| www.seagate.com/support/service/ |
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| From this page, click on the “Verify Your Warranty” link. You will be asked to provide |
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| the drive serial number, model number (or part number) and country of purchase. |
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| The system will display the warranty information for your drive. |
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Preventive maintenance | None required. | |
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18 | Barracuda 7200.9 Serial ATA Product Manual, Rev. C |
