Formatted Capacity; Default Logical Geometry; Lba Mode; Recording And Interface Technology - Seagate Barracuda 7200.10 Serial ATA Product Manual

2.2

Formatted capacity

Formatted
Model capacity*
ST3250410AS,
250 Gbytes
ST3250310AS
*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

Cylinders Read/write heads
16,383 16
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

Interface
Recording method
Recording density (kbits/inch max)
Track density (ktracks/inch avg)
2
Areal density (Gbits/inch avg)
Spindle speed (RPM)
Internal data transfer rate (Mbits/sec max)
Sustained data transfer rate (Mbytes/sec max)
I/O data-transfer rate (Mbytes/sec max)
6
Guaranteed
sectors
488,397,168
Sectors per track
63
Serial ATA (SATA)
Perpendicular
1,049 (for nominal format)
155 (for nominal format)
163 (for nominal format)
7,200 ± 0.2%
1,212 (for nominal format)
106
300
Barracuda 7200.10 Serial ATA Product Manual, Rev. B
Bytes per sector
512