Formatted Capacity; Lba Mode; Default Logical Geometry - Seagate ST3250623NS Product Manual

2.2

Formatted capacity*

Model
ST3400832NS and ST3400632NS
ST3250823NS and ST3250623NS
*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.
6
Formatted capacity
400 Gbytes
250 Gbytes
Sectors per track
63
Guaranteed sectors Bytes per sector
781,422,768 512
488,397,168 512
NL35 Series SATA Product Manual, Rev. B