Constellation CS Serial ATA Product Manual, Rev. C
6
www.seagate.com
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 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.
2.3
Default logical geometry
•
Cylinders:
16,383
•
Read/write heads:
16
•
Sectors per track:
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
.
2.4
Recording and interface technology
2.5
Physical characteristics
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density, KBPI (Kb/in max)
1807
Track density, KTPI (ktracks/in avg)
340
Areal density (Gb/in
2
avg)
625
Spindle speed (RPM) (± 0.2%)
7200
Internal data transfer rate (Mb/s max)
2147
Sustained data transfer rate (MB/s)
150 to 180
I/O data-transfer rate (MB/s max)
600 (Ultra DMA mode 5)
Weight: (maximum)
3TB models
626g (1.38 lb)
2TB models
535g (1.18 lb)
1TB models
400g (0.88lb)
Cache buffer
64MB (64,768KB)
