Seagate ULTRA ATA ST320423A Instrukcja Użytkownika Pobierz pdf (Strona 11)

U10 Family Product Manual, Rev. A 3

Full-stroke seek time

(msec typical) 23.0 (read) 25.0 (write)

Average latency (msec) 5.56 msec

Power-on to ready

(sec typical) 10 sec

Standby to ready

(sec typical) 10 sec

Spindown (sec typical) 10 sec

Startup current

(typical) 12V (peak) 1.5 amps

Seek power (typical) 7.0 watts

Read/Write power 6.5 watts

Idle mode (typical) 3.5 watts

Standby/Sleep mode (typical) 0.8 watts

Voltage tolerance

(including noise) 5V

5%, 12V

10%

Ambient temperature 0° to 60°C (op.), –40° to 70°C (nonop.)

Temperature gradient

(°C per hour max) 20°C

Relative humidity

(op. and nonop.)

5% to 90% (op.)

5% to 95% (nonop.)

Relative humidity, gradient 30% per hour max

Wet bulb temperature (°C max) 29.4 (op.), 40.0 (nonop.)

Altitude, operating –61 m to 3,048 m (–200 ft to 10,000

ft)

Altitude (meters below mean sea

level, max) –122 m to 12,192 m (–400 ft to 40,000

ft)

Shock, operating

(Gs max at 2 msec) 63

Shock, nonoperating

(Gs max at 2 msec) 350 Gs

Vibration, operating 0.5 Gs (0 to peak, 5–350 Hz)

Vibration, nonoperating 5 Gs (0 to peak, 5–350 Hz)

Drive acoustics

Sound power in bels (10.5 msec)

Idle mode

Seek mode

3.2 (typical), 3.6 (max)

3.5 (typical), 3.9 (max)

Drive Specification ST320423A ST315323A ST310212A

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 41 42

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