Seagate ST9100822A, Руководство по эксплуатации продукта

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4 Momentus 4200.2 Product Manual, Rev. D
Average seek time
(msec typical)
12.5
Average seek, read
(msec typical)
12.5
Average seek, write
(msec typical)
14.5
Full-stroke seek (msec) 22 (typical); 24 (max)
Seek power (typical) 2.3 watts
Read/write power (typical) 2.05/2.1 watts
Idle mode (typical) 0.99 watts
Standby mode 0.2 watts (typical)**
Sleep mode 0.2 watts (typical)**
Voltage tolerance
(including noise)
5V ± 5%
Ambient temperature 5° to 55°C (operating)
–40° to 70°C (nonoperating)
Temperature gradient
(°C per hour max,
noncondensing)
20°C (operating)
30°C (nonoperating)
Relative humidity
(noncondensing)
5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature (°C max) 30°C (operating)
40°C (nonoperating)
Altitude, operating –304.8 m to 3,048 m (–1000 ft to 10,000 ft)
Altitude, nonoperating
(below mean sea level, max)
–304.8 m to 12,192 m (–1,000 ft to 40,000 ft)
Shock, operating
(Gs max at 2 msec)
250
Shock, nonoperating
(Gs max at 2 msec)
800
Shock, nonoperating
(Gs max at 1 msec)
900
Shock, nonoperating
(Gs max at 0.5 msec)
400
Vibration, operating (max dis-
placement may apply below 10
hz) 1.0 Gs (0 to peak, 5–500 Hz)
Vibration, nonoperating
(max displacement may apply
below 22 hz)
5.0 Gs (0 to peak, 10–500 Hz)
Drive acoustics, sound power
(bels)
Idle* 2.4 (typical)
2.6 (max)
Quiet seek 2.6 (typical)
2.8 (max)
Performance seek 2.9 (typical)
3.1 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Mean time between failures
(MTBF) 330,000 Power-on hours
At nominal power, 25°C ambient temperature.
Max case temperature: 65°C at the case measurement location shown in Figure 4
Table 1: Specifications
Drive specification ST9100822A ST9808210A ST960821A ST950212A ST9402113A ST930219A