beautypg.com

2 formatted capacity, 1 lba mode, 3 default logical geometry – Seagate BARRACUDA 7200.10 SERIAL ATA ST3250310AS User Manual

Page 12: 4 recording and interface technology, Formatted capacity 2.2.1, Lba mode, Default logical geometry, Recording and interface technology

background image

6

Barracuda 7200.10 Serial ATA 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 environment

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 4.3.1, "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

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.

2.4

Recording and interface technology

Model

Formatted

capacity*

Guaranteed

sectors

Bytes per sector

ST3250410AS,

ST3250310AS

250 Gbytes

488,397,168

512

Cylinders

Read/write heads

Sectors per track

16,383

16

63

Interface

Serial ATA (SATA)

Recording method

Perpendicular

Recording density (kbits/inch max)

1,049 (for nominal format)

Track density (ktracks/inch avg)

155 (for nominal format)

Areal density (Gbits/inch

2

avg)

163 (for nominal format)

Spindle speed (RPM)

7,200 ± 0.2%

Internal data transfer rate (Mbits/sec max)

1,212 (for nominal format)

Sustained data transfer rate (Mbytes/sec max)

106

I/O data-transfer rate (Mbytes/sec max)

300

This manual is related to the following products: