Seagate ST9320310AS ユーザーズマニュアル
8
Momentus Product Manual, Rev. D
3.2
Formatted capacity
Model
Formatted
capacity*
Guaranteed
logical blocks
Bytes per
physical sector
ST9640322AS
640GB
1,250,263,728
4096
ST9400321AS
400GB
781,422,768
ST9320312AS
320GB
625,142,448
ST9640320AS
640GB
1,250,263,728
512
ST9500320AS
500GB
976,773,168
ST9320310AS
320GB
625,142,448
ST9250310AS
250GB
488,397,168
ST9160316AS
160GB
312,581,808
*One GB equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment
and formatting.
3.2.1
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 as defined above.
where n is the number of guaranteed logical blocks as defined above.
See Section 5.3.1, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137GB.
bit addressing support of drives with capacities over 137GB.
3.3
Default logical geometry
Cylinders
Read/write heads
Sectors per track
16,383
16
63
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 as defined above.
where n is the number of guaranteed logical blocks as defined above.
3.4
Physical organization
Drive model
Read/write heads
Number of discs
ST9640322AS
ST9640320AS
4
2
ST9500320AS
ST9400321AS
ST9320312AS
ST9320310AS
2
1
ST9250310AS
ST9160316AS
1