Seagate Medalist 1640, Product Manual

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Drive specification ST31640A ST32140A
Power-on to ready (sec typical) 8 8
Spinup current (typical) 1.6A 1.6A
Seek power (typical) 8.41W 8.41W
Read/Write power (typical) 5.98W 5.98W
Idle total power (typical) 4.72W 4.72W
Standby/Sleep power (typical) 0.755W 0.755W
Voltage tolerance (including noise): +5V
±
5%
±
5%
Voltage tolerance (including noise): +12V
±
5%
±
5%
Operating temperature (°C) 5 to 55°C 5 to 55°C
Nonoperating temperature (°C) --40 to 70°C --40 to 70°C
Operating temperature gradient (°C per hr. max) 20°C 20°C
Relative humidity, operating gradient (max.) 10% per hr 10% per hr
Altitude operating --1,000
to 10,000 ft. --1,000
to 10,000 ft.
Altitude nonoperating --1,000
to 40,000 ft. --1,000
to 40,000 ft.
Shock, normal operating (Gs max at 2 or
11 msec) 2 Gs 2 Gs
Vibration (Gs max at 22-350 Hz without
nonrecoverable errors), operating 0.75 Gs
0 to Peak 0.75 Gs
0 to Peak
Vibration (Gs max at 22-350 Hz with no physical
damage incurred), Nonoperating 2.0 Gs
0 to Peak 2.0 Gs
0 to Peak
Drive acoustics, Idle mode (bels), typ 4.1 bels 4.1 bels
Drive acoustics, Seek mode (bels), typ 4.4 bels 4.4 bels
Nonrecoverable read errors (per bits transferred) 10
13
10
13
Mean time between failures (power-on hours) 500,000 500,000
Contact start-stop cycles 20,000 20,000
Service life (years) 5 5
continued from previous page
4 Medalist 1640 and 2140 Product Manual, January 1996