Electromagnetic immunity, Reliability | Seagate ST3320820ACE

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 5:	Radio frequency environments

			Performance	Reference
Test		Description	level	standard

Electrostatic discharge		Contact, HCP, VCP: ± 4 kV; Air:	B	EN 61000-4-2: 95
		± 8 kV

Radiated RF immunity		80 to 1,000 MHz, 3 V/m,	A	EN 61000-4-3: 96
		80% AM with 1 kHz sine		ENV 50204: 95
		900 MHz, 3 V/m, 50% pulse
		modulation @ 200 Hz

Electrical fast transient		± 1 kV on AC mains, ± 0.5 kV on	B	EN 61000-4-4: 95
		external I/O

Surge immunity		± 1 kV differential, ± 2 kV com-	B	EN 61000-4-5: 95
		mon, AC mains

Conducted RF immunity		150 kHz to 80 MHz, 3 Vrms,	A	EN 61000-4-6: 97
		80% AM with 1 kHz sine

Voltage dips, interrupts		0% open, 5 seconds	C	EN 61000-4-11: 94
		0% short, 5 seconds	C
		40%, 0.10 seconds	C
		70%, 0.01 seconds	B

2.12	Reliability

Nonrecoverable read errors		1 per 1014 bits read, max.
Annualized Failure Rate (AFR)		0.68% (nominal power, 25°C ambient temperature)

Contact start-stop cycles		50,000 cycles
		(at nominal voltage and temperature, with 60 cycles per hour and a 50% duty cycle)
Warranty		5 years on distribution units.
		To determine the warranty for a specific drive, use a web browser to access the fol-
		lowing web page:
		www.seagate.com/support/service/
		From this page, click on the “Verify Your Warranty” link. You will be asked to provide
		the drive serial number, model number (or part number) and country of purchase.
		The system will display the warranty information for your drive.

Preventive maintenance		None required.

2.13Agency certification

2.13.1Safety certification

The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections of IEC950 and EN 60950 as tested by TUV North America.

DB35.3 Series PATA Product Manual, Rev. C

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Seagate ST3320820ACE manual Electromagnetic immunity, Reliability, Agency certification, Radio frequency environments

Contents

DB35.3 Series Pata Page DB35.3 Series Pata Page Contents DB35.3 Series Pata Product Manual, Rev. C List of Figures DB35.3 Series Pata Product Manual, Rev. C Introduction DB35.3 Series Pata Product Manual, Rev. C Specification summary table Drive specifications Drive specification ST3750840ACE ST3500830ACE ST3400820ACE DB35.3 Series Pata Product Manual, Rev. C Drive specification ST3320820ACE ST3300820ACE ST3250820ACE DB35.3 Series Pata Product Manual, Rev. C LBA mode Default logical geometryFormatted capacity Cylinders Read/write heads Sectors per track 16,383 Drive specification Physical characteristicsRecording and interface technology 750GB 500GB 400GB 320GB 300GB 250GB Seek time Power specificationsStart/stop times DC power requirements Standby mode Conducted noise Typical current profile Active mode Power-management modesIdle mode Sleep mode Environmental specifications Operating shock ShockNonoperating shock Disc models 4 Disc models Fluid Dynamic Bearing FDB motor acoustics AcousticsIdle CE seek profile Electromagnetic immunity Safety certificationReliability Agency certification Korean RRL Electromagnetic compatibilityAustralian C-Tick N176 FCC verification Corrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS DB35.3 Series Pata Product Manual, Rev. C Handling and static discharge precautions Configuring and mounting the drive Breather filter hole location Breather filter hole precautions Master/slave configuration Jumper settingsDrive as master with a non-ATA-compatible slave Cable-select option Ultra ATA/100 cable Drive mounting Mounting dimensions-top, side and end view DB35.3 Series Pata Product Manual, Rev. C Pins and supported ATA signals ATA interface signals and connector pins Command name Command code in hex Supported ATA commands F4H Word Description Value Identify Device command Xx07H Bit Word Description if bit is set to Bit Word 0CH Set Features command Code in features Register A.R.T. command 4 S.M.A.R.T. commands Internet MySeagate Spp.seagate.com Warranty ServicePresales Support Technical Support Data Recovery Services Data Recovery Services Authorized Service Centers Call center Presales and Technical Support Warranty Service FAX services-All Europe toll callToll-free support numbers Asia/Pacific support services Index Page Page DB35.3 Series Pata Product Manual, Rev. C Page Seagate Technology LLC