Seagate ST3750840ACE manual Environmental specifications

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2.9Environmental specifications

2.9.1Ambient temperature

Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive case temperature should not exceed 75°C (167°F) within the operating ambient conditions. Rec- ommended measurement locations are shown in Figure 6 on page 25.

Above 1,000 feet (305 meters), the maximum temperature is derated linearly to 112°F (44°C) at 10,000 feet (3,048 meters).

Operating
ST3320820ACE, ST3300820ACE and ST3250820ACE	0° to 65°C (32° to 149°F)
ST3500830ACE and ST3400820ACE	0° to 62°C (32° to 143.6°F)
ST3750840ACE	0° to 60°C (32° to 140°F)

Nonoperating	–40° to 70°C (–40° to 158°F)

2.9.2Temperature gradient

Operating	20°C per hour (68°F per hour max), without condensation

Nonoperating	30°C per hour (86°F per hour max)

2.9.3Humidity

2.9.3.1Relative humidity

Operating	5% to 90% noncondensing (30% per hour max)

Nonoperating	5% to 95% noncondensing (30% per hour max)

2.9.3.2Wet bulb temperature

Operating	37.7°C (99.9°F max)

Nonoperating	37.7°C (99.9°F max)

2.9.4Altitude

Operating	–60.96 m to 3,048 m (–200 ft. to 10,000+ ft.)

Nonoperating	–60.96 m to 12,192 m (–200 ft. to 40,000+ ft.)

14	DB35.3 Series PATA Product Manual, Rev. B

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Contents DB35.3 Series Pata Page Contents DB35.3 Series Pata Product Manual, Rev. B List of Figures DB35.3 Series Pata Product Manual, Rev. B Introduction DB35.3 Series Pata Product Manual, Rev. B Drive specifications Specification summary tableDrive specification ST3750840ACE ST3500830ACE ST3400820ACE DB35.3 Series Pata Product Manual, Rev. B Drive specification ST3320820ACE ST3300820ACE ST3250820ACE DB35.3 Series Pata Product Manual, Rev. B Default logical geometry LBA modeFormatted capacity Cylinders Read/write heads Sectors per track 16,383Physical characteristics Drive specificationRecording and interface technology 750GB 500GB 400GB 320GB 300GB 250GBStart/stop times Power specificationsSeek time Standby mode DC power requirementsTypical current profile Conducted noisePower-management modes Active modeIdle mode Sleep modeEnvironmental specifications Shock Operating shockNonoperating shock Disc models 4 Disc modelsIdle CE seek profile AcousticsFluid Dynamic Bearing FDB motor acoustics Safety certification Electromagnetic immunityReliability Agency certificationElectromagnetic compatibility Korean RRLAustralian C-Tick N176 FCC verificationEuropean Union Restriction of Hazardous Substances RoHS Environmental protectionCorrosive environment DB35.3 Series Pata Product Manual, Rev. B Configuring and mounting the drive Handling and static discharge precautionsBreather filter hole precautions Breather filter hole locationJumper settings Master/slave configurationDrive as master with a non-ATA-compatible slave Cable-select optionDrive mounting Ultra ATA/100 cableMounting dimensions-top, side and end view DB35.3 Series Pata Product Manual, Rev. B ATA interface ATA interface signals and connector pinsPins and supported ATA signals Supported ATA commands Command name Command code in hexF4H Identify Device command Word Description ValueXx07H Description if bit is set to Bit Word Bit WordSet Features command 0CH4 S.M.A.R.T. commands Code in features Register A.R.T. commandSeagate Technology support services InternetPresales Support Technical SupportData Recovery Services Call Center Toll-free Direct dial Warranty ServiceData Recovery Services Authorized Service Centers Index Page TMR DB35.3 Series Pata Product Manual, Rev. B Page Seagate Technology LLC

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