Seagate 3240 Computer Drive User Manual


 
Drive Specification ST33240A ST32531A
Startup current: 12V (peak)
5V (RMS)
1.6 amps
0.5 amps
Seek power (mean) 4.3 watts
Operating power (typical) 4.6 watts
Idle mode power (typical) 4.5 watts
Standby mode power (typical) 1.0 watts
Sleep mode power (typical) 0.7 watts
Voltage tolerance (including noise)
±
5%
Ambient temperature (°C) 5 to 55 (op.), –40 to 60 (nonop.)
Temperature gradient (°C per hour max) 20
Relative humidity (op. and nonop.) 8% to 80%
Relative humidity gradient 10% per hour max
Wet bulb temperature (°C max) 29 (op.and nonop.)
Altitude (meters above mean sea level, max) –61 to 3,048 (op.)
–61 to 12,192 (nonop.)
Shock, operating (Gs max at 11 msec) 5
Shock, nonoperating (Gs max at 11 msec) 75
Vibration, operating 0.020 in. (peak to peak, 5–22 Hz)
0.50 G (0 to peak, 22–350 Hz)
Vibration, nonoperating 0.081 in. (peak to peak, 5–22 Hz)
5 Gs (0 to peak, 22–350 Hz)
Drive acoustics (bels—sound power)
Idle mode
3.7 (typical)
4.1 (max)
Drive acoustics (bels—sound power)
Read/Write mode
4.3 (typical)
4.5 (max)
Nonrecoverable read errors 1 per 10
14
bits read
Mean time between failures (power-on hours) 300,000
Contact start-stop cycles
(40°C, ambient humidity)
40,000
Service life (years) 5
Medalist 3240 and Medalist 2531 Product Manual, Rev. A 3