Lba Mode; Default Logical Geometry; Physical Organization; Recording And Interface Technology - Seagate Momentus 5400.6 SATA Series Product Manual

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

Cylinders Read/write heads
16,383 16
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

Physical organization

Drive model
ST9500325AS, ST9500325ASG and ST9400326AS
ST9320325AS and ST9320325ASG
ST9250315AS, ST9250315ASG, ST9160314AS,
ST9160301AS and ST9160314ASG
ST9120315AS, ST9120315ASG, ST980313AS and
ST980313ASG
2.5

Recording and interface technology

Interface
Recording method
Recording density BPI (bits/inch avg)
Track density TPI (tracks/inch avg)
2
Areal density (Gbits/inch
Spindle speed (RPM) (± 0.2%)
Maximum Internal transfer rate (Mbits/sec)
I/O data-transfer rate (Mbytes/sec max)
Interleave
Cache buffer
Momentus 5400.6 SATA Product Manual, Rev. F
Sectors per track
63
ST9500325AS, ST9500325ASG, ST9400326AS,
ST9320325AS, ST9320325ASG, ST9250315AS,
ST9250315ASG ST9160314AS, ST9160314ASG,
ST9120315AS, ST9120315ASG, ST980313AS,
ST980313ASG
Serial ATA (SATA)
Perpendicular
1490k
265k
avg) 394
5400
1175
300
1:1
8 Mbytes (8192 kbytes)
Read/write heads
4
3
2
1
Number of discs
2
2
1
1
ST9160301AS
1238k
210k
269
9