Seagate ST9120315ASG 사용자 설명서
M
OMENTUS
5400.6 SATA P
RODUCT
M
ANUAL
, R
EV
. G
8
.
Table 3
Drive specifications for 120 and 80 GB models
Drive specification
ST9120315AS
ST9120315ASG
ST9120315ASG
ST980313AS
ST980313ASG
ST980313ASG
Formatted Gbytes (512 bytes/sector)*
120
80
Guaranteed sectors
234,441,648
156,301,488
Bytes per sector
512
Physical read/write heads
1
Discs
1
Cache (Mbytes)
8
Recording density in BPI (bits/inch avg)
1490k
Track density TPI (tracks/inch avg)
265k
Areal density (Gbits/inch
2
avg)
394
Spindle speed (RPM)
5400
Average latency (msec)
5.6
Internal transfer rate (Mbits/sec max)
1175
I/O data transfer rate
(Mbytes/sec max)
(Mbytes/sec max)
300
ATA data-transfer modes supported
SATA 1.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max)
9.5 +/- 0.2 mm (0.374 +/- .0079 inches)
Width (max)
69.85 mm +/- 0.25 mm (2.75 +/- 0.0098 inches)
Length (max)
100.35 + 0.20 / - 0.25 mm (3.957 + 0.0079 / - 0.0098 inches)
Weight (max)
93.5 grams (0.206 lb)
Power-on to ready (sec typical)
3.6
Power-on to ready (sec max)
3.8
Standby to ready (sec typical)
1.8
Standby to ready (sec max)
2
Track-to-track seek time, read (msec typical)
1
Average seek, read (msec typical)
14
Full-stroke seek, read (msec max)
30
Startup current, +5V (max)
1 amp
Seek power (typical)
1.54 watts
Read/write power (typical)
Read: 1.40 watts; Write: 1.78 watts
Idle mode, low power (typical)
0.67 watts
Standby mode
0.20 watts (typical)***
Sleep mode
0.20 watts (typical)***
Voltage tolerance (including noise)
+5V ± 5%
Ambient temperature
0° to 60°C (operating), –40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max)
(°C per hour max)
20°C (operating)
35°C (nonoperating)
35°C (nonoperating)
Relative humidity
5% to 95% (operating)
5% to 95% (nonoperating)
5% to 95% (nonoperating)
Relative humidity gradient
30% per hour max
Wet bulb temperature
(°C max)
(°C max)
37.7 (operating)
40 (nonoperating)
40 (nonoperating)
Altitude, operating
–304.8 m to 3048 m (–1000 ft to 10,000
+
ft)
Altitude, nonoperating
(meters below mean sea level, max)
(meters below mean sea level, max)
–304.8 m to 12,192 m (–1000 ft to 40,000
+
ft)
Shock, operating (Gs max at 2 msec)
350
Shock, nonoperating (Gs max at 2 msec)
800