Formatted Capacity; Default Logical Geometry; Physical Organization - Seagate ST9120822A - Momentus 5400.3 120 GB Hard Drive Product Manual

2.2

Formatted capacity

Model Formatted capacity*
ST9160821A 160 Gbytes
ST9120822A 120 Gbytes
ST9100828A 100 Gbytes
ST980815A 80 Gbytes
ST960815A 60 Gbytes
ST940815A 40 Gbytes
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
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

Physical organization

Model Read/write heads
ST9160821A 4
ST9120822A 3
ST9100828A 3
ST980815A 2
ST960815A 2
ST940815A 1
Momentus 5400.3 PATA Product Manual, Rev. C
Guaranteed sectors
312,581,808
234,441,648
195,371,568
156,301,488
117,410,240
78,140,160
Sectors per track
63
Number of discs
2
2
2
1
1
1
Bytes per sector
512
512
512
512
512
512
9