2 formatted capacity, 1 lba mode, 3 default logical geometry – Maxtor DIAMONDMAX 21 PATA STM3300620A User Manual

Page 16: Formatted capacity 2.2.1, Lba mode, Default logical geometry

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DiamondMax 21 PATA Product Manual, Rev. B

2.2

Formatted capacity

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

2.2.1

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

Model

Formatted capacity*

Guaranteed sectors

Bytes per sector

STM3320820A

320 Gbytes

625,142,448

512

STM3300620A

300 Gbytes

586,072,368

STM3250620A

250 Gbytes

488,397,168

STM3250820A

STM3200820A

200 Gbytes

390,721,968

STM3160215A

160 Gbytes

312,581,808

STM380215A

80 Gbytes

156,301,488

Cylinders

Read/write heads

Sectors per track

16,383

16

63

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