Seagate ST3500320SV ユーザーズマニュアル

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SV35.3 Series Serial ATA 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 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   
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.
 
Model
Formatted
 
capacity*
Guaranteed
 
sectors 
 
Bytes per sector
ST31000340SV
1000 Gbytes
1,953,525,168
512
ST3750330SV
750 Gbytes
1,465,149,168
512
ST3500320SV
500 Gbytes
   976,773,168
512
ST3250310SV
250 Gbytes
   488,397,168
512
Cylinders
Read/write heads
Sectors per track
16,383
16
63