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2 formatted capacity, 1 lba mode, 3 default logical geometry – Seagate Barracuda ST3120022A User Manual

Page 15: 4 physical organization

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Barracuda 7200.7 Product Manual, Rev. E

5

2.2

Formatted capacity

2.2.1

LBA 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.

2.3

Default logical geometry

2.4

Physical organization

Model

Formatted

capacity

Guaranteed

sectors

Bytes per sector

ST3160021A

ST3160023A

160 Gbytes

312,581,808

512

ST3120022A

ST3120026A

120 Gbytes

234,441,648

512

ST380011A

ST380013A

80 Gbytes

156,301,488

512

ST360014A

60 Gbytes

117,231,408

512

ST340014A

40 Gbytes

78,165,360

512

Cylinders

Read/write heads

Sectors per track

16,383

16

63

Model

Read/write heads

Number of discs

ST3160021A

ST3160023A

4

2

ST3120022A

ST3120026A

3

2

ST380011A

ST380013A

2

1

ST360014A

2

1

ST340014A

1

1