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. B

Page 14
Image 14
Seagate ST3750840ACE manual Formatted capacity, Default logical geometry, LBA mode