Formatted Capacity; Lba Mode; Default Logical Geometry; Recording And Interface Technology - Seagate BARRACUDA XT SERIES SATA ST32000641AS Product Manual

2.1

Formatted capacity

Formatted
Model capacity*
ST32000641AS 2000GB
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and
formatting.
2.1.1

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 address-
ing support of drives with capacities over 137GB.
2.2

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.
2.3

Recording and interface technology

Interface
Recording method
Recording density (kbits/inch max)
Track density (ktracks/inch avg)
Areal density (Gbits/inch
Spindle speed (RPM)
Internal data transfer rate (Mb/s max)
Sustained data transfer rate (MB/s max)
I/O data-transfer rate (MB/s max)
Barracuda XT Series SATA Product Manual, Rev. C
Guaranteed
sectors
3,907,029,168
Serial ATA (SATA)
Perpendicular
1421kb/in
240 ktracks/in
2
avg) 347Gb/in
7200 + 0.2%
1300Mb/s
138MB/s
600MB/s
Bytes per sector
512
Sectors per track
63
2
5