Seagate ST3750840ACE ユーザーズマニュアル
8
DB35.3 Series PATA Product Manual, Rev. B
2.2
Formatted capacity
*One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environ-
ment and formatting.
ment 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.
where n is the number of guaranteed sectors as defined above.
See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for additional information about 48-
bit addressing support of drives with capacities over 137 Gbytes.
bit addressing support of drives with capacities over 137 Gbytes.
2.3
Default logical geometry
Model
Formatted
capacity*
capacity*
Guaranteed
sectors Bytes
sectors Bytes
per
sector
ST3750840ACE
750 Gbytes
1,465,149,168
512
ST3500830ACE
500 Gbytes
976,773,168
512
ST3400820ACE
400 Gbytes
781,422,768
512
ST3320820ACE
320 Gbytes
625,142,448
512
ST3300820ACE
300 Gbytes
586,072,368
512
ST3250820ACE
250 Gbytes
488,397,168
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63