Manuals / Seagate / Computer Equipment / Computer Drive

Seagate ST3400820ACE, ST3250820ACE manual Formatted capacity, Default logical geometry, LBA mode

Models: ST3320820ACE ST3500830ACE ST3750840ACE ST3250820ACE ST3400820ACE ST3300820ACE

1 52

Download 52 pages 3.56 Kb

Page 16

2.2Formatted capacity

	Formatted	Guaranteed
Model	capacity*	sectors	Bytes per sector

ST3750840ACE	750 Gbytes	1,465,149,168	512

ST3500830ACE	500 Gbytes	976,773,168	512

ST3400820ACE	400 Gbytes	781,422,768	512

ST3320820ACE	320 Gbytes	625,142,448	512

ST3300820ACE	300 Gbytes	586,072,368	512

ST3250820ACE	250 Gbytes	488,397,168	512

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

2.2.1LBA mode

When addressing these drives in LBA mode, all blocks (sectors) are consecutively numbered from 0 to n–1,where n is the number of guaranteed sectors as defined above.

See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48- bit addressing support of drives with capacities over 137 Gbytes.

2.3Default logical geometry

Cylinders	Read/write heads	Sectors per track

16,383	16	63

8	DB35.3 Series PATA Product Manual, Rev. C

Image 16

Seagate ST3400820ACE, ST3250820ACE, ST3320820ACE, ST3300820ACE manual Formatted capacity, Default logical geometry, LBA mode

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 Drive specifications Specification summary tableDrive 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 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 250GBSeek time Power specificationsStart/stop times 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 modelsFluid Dynamic Bearing FDB motor acoustics AcousticsIdle CE seek profile Safety certification Electromagnetic immunityReliability Agency certificationElectromagnetic compatibility Korean RRLAustralian C-Tick N176 FCC verificationCorrosive environment Environmental protectionEuropean Union Restriction of Hazardous Substances RoHS DB35.3 Series Pata Product Manual, Rev. C 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. C ATA interface signals and connector pins Pins and supported ATA signalsSupported 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. commandWarranty Service Internet MySeagate Spp.seagate.comPresales Support Technical SupportData Recovery Services Authorized Service Centers Data Recovery ServicesCall 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