Seagate ST31000524NS ユーザーズマニュアル
6
Constellation ES Serial ATA Product Manual, Rev. G
3.2
Formatted capacity
Model
Formatted
capacity*
Guaranteed
sectors
Bytes per sector
ST32000644NS
2TB
3,907,029,168
512
ST31000524NS
1TB
1,953,525,168
ST3500514NS
500GB
976,773,168
*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 sectors as defined above.
where n is the number of guaranteed sectors 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 sectors as defined above.
where n is the number of guaranteed sectors as defined above.
3.4
Recording and interface technology
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
1421
Track density, KTPI (ktracks/in avg)
240
Areal density (Gb/in
2
avg)
347
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
1300
Sustained data transfer rate (MB/s max)
140
I/O data-transfer rate (MB/s max)
300 (Ultra DMA mode 5)