Formatted Capacity; Lba Mode; Default Logical Geometry; Physical Organization - Seagate ST320LT020 - 9YG142 Product Manual

2.2 F
ORMATTED CAPACITY

Formatted capacity*

ST320LT020 - 9YG142
ST250LT003 - 9YG14C
ST160LT003 - 9YG141
*One GB 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 logical blocks (LBA) 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 137GB.
2.3 D
EFAULT LOGICAL GEOMETRY
C R /
YLINDERS EAD 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 logical blocks (LBA) as defined above.
2.4 P
HYSICAL ORGANIZATION
Models
320GB models
250GB models
160GB models
M T P
OMENTUS HIN RODUCT
Guaranteed logical blocks (LBA) - 512 emulation
625,142,448
488,397,168
312,581,808
S
ECTORS PER TRACK
63
R /
EAD WRITE HEADS
2
1
M , R . F
ANUAL EV
Bytes per physical sector
4096
N
UMBER OF DISKS
1
6