Seagate ULTRA ATA ST310212A Product Manual page 11

U10 Family Product Manual, Rev. A
Drive Specification
Full-stroke seek time
(msec typical)
Average latency (msec)
Power-on to ready
(sec typical)
Standby to ready
(sec typical)
Spindown (sec typical)
Startup current
(typical) 12V (peak)
Seek power (typical)
Read/Write power
Idle mode (typical)
Standby/Sleep mode (typical)
Voltage tolerance
(including noise)
Ambient temperature
Temperature gradient
(°C per hour max)
Relative humidity
(op. and nonop.)
Relative humidity, gradient
Wet bulb temperature (°C max)
Altitude, operating
Altitude (meters below mean sea
level, max)
Shock, operating
(Gs max at 2 msec)
Shock, nonoperating
(Gs max at 2 msec)
Vibration, operating
Vibration, nonoperating
Drive acoustics
Sound power in bels (10.5 msec)
Idle mode
Seek mode
ST320423A ST315323A
23.0 (read) 25.0 (write)
5.56 msec
10 sec
10 sec
10 sec
1.5 amps
7.0 watts
6.5 watts
3.5 watts
0.8 watts
5V 5%, 12V
0° to 60°C (op.), –40° to 70°C (nonop.)
20°C
5% to 90% (op.)
5% to 95% (nonop.)
30% per hour max
29.4 (op.), 40.0 (nonop.)
–61 m to 3,048 m (–200 ft to 10,000
–122 m to 12,192 m (–400 ft to 40,000
63
350 Gs
0.5 Gs (0 to peak, 5–350 Hz)
5 Gs (0 to peak, 5–350 Hz)
3.2 (typical), 3.6 (max)
3.5 (typical), 3.9 (max)
3
ST310212A
10%
+
ft)
+
ft)