Seagate ST9120315AS ユーザーズマニュアル
M
OMENTUS
5400.6 SATA P
RODUCT
M
ANUAL
, R
EV
. G
10
2.3
D
EFAULT LOGICAL GEOMETRY
C
YLINDERS
R
EAD
/
WRITE HEADS
S
ECTORS 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.
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
P
HYSICAL ORGANIZATION
D
RIVE MODEL
R
EAD
/
WRITE HEADS
N
UMBER OF DISCS
ST9500325AS and ST9500325ASG
4
2
ST9320325AS and ST9320325ASG
3
2
ST9250315AS, ST9250315ASG,
ST9160314AS and ST9160314ASG
ST9160314AS and ST9160314ASG
2
1
ST9120315AS, ST9120315ASG,
ST980313AS and ST980313ASG
ST980313AS and ST980313ASG
1
1
2.5
R
ECORDING AND INTERFACE TECHNOLOGY
ST9500325AS, ST9500325ASG,
ST9320325AS, ST9320325ASG,
ST9250315AS, ST9250315ASG
ST9160314AS, ST9160314ASG,
ST9120315AS, ST9120315ASG,
ST980313AS, ST980313ASG
ST9320325AS, ST9320325ASG,
ST9250315AS, ST9250315ASG
ST9160314AS, ST9160314ASG,
ST9120315AS, ST9120315ASG,
ST980313AS, ST980313ASG
Interface
Serial ATA (SATA)
Recording method
Perpendicular
Recording density BPI (bits/inch avg)
1490k
Track density TPI (tracks/inch avg)
265k
Areal density (Gbits/inch
2
avg)
394
Spindle speed (RPM) (
± 0.2%)
5400
Maximum Internal transfer rate (Mbits/sec)
1175
I/O data-transfer rate (Mbytes/sec max)
300
Interleave
1:1
Cache buffer
8 Mbytes (8192 kbytes)