DB35.3 Series Pata Product Manual, Rev. C | Seagate ST3750840ACE

Drive specification	ST3320820ACE		ST3300820ACE	ST3250820ACE
Vibration, nonoperating	5–22 Hz: 0.25 Gs, Limited displacement
	22–350 Hz: 5.0 Gs
	350–500 Hz:: 1.0 Gs

Drive acoustics, sound power
Idle**	2.7 bels (typical)		2.5 bels (typical)
Idle**	2.7 bels (typical)		2.5 bels (typical)
	2.9 bels (max)		2.7 bels (max)
CE seek profile	2.8 bels (typical)		2.7 bels (typical)
	2.9 bels (max)		2.8 bels (max)

Nonrecoverable read errors	1 per 1014 bits read
Annualized Failure Rate (AFR)***	0.68%

Warranty	5 years on distribution units.
	To determine the warranty for a specific drive, use a web browser to access the
	following 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.

Contact start-stop cycles (25°C, 50% rel. humidity)	50,000

*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting.

**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.

DB35.3 Series PATA Product Manual, Rev. C

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Seagate ST3750840ACE, ST3250820ACE, ST3320820ACE, ST3300820ACE, ST3400820ACE manual DB35.3 Series Pata Product Manual, Rev. C

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 Cylinders Read/write heads Sectors per track 16,383 Default logical geometryLBA mode Formatted capacity 750GB 500GB 400GB 320GB 300GB 250GB Physical characteristicsDrive specification Recording and interface technology Power specifications Seek timeStart/stop times DC power requirements Standby mode Conducted noise Typical current profile Sleep mode Power-management modesActive mode Idle mode Environmental specifications 4 Disc models ShockOperating shock Nonoperating shock Disc models Acoustics Fluid Dynamic Bearing FDB motor acousticsIdle CE seek profile Agency certification Safety certificationElectromagnetic immunity Reliability FCC verification Electromagnetic compatibilityKorean RRL Australian C-Tick N176 Environmental protection Corrosive environmentEuropean 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 Cable-select option Jumper settingsMaster/slave configuration Drive as master with a non-ATA-compatible slave 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 Technical Support Warranty ServiceInternet MySeagate Spp.seagate.com Presales Support Data Recovery Services Data Recovery Services Authorized Service Centers FAX services-All Europe toll call Call center Presales and Technical Support Warranty ServiceToll-free support numbers Asia/Pacific support services Index Page Page DB35.3 Series Pata Product Manual, Rev. C Page Seagate Technology LLC