HP Model 712/100 hp 9000 series 700 model 712 technical reference manual (a261 - Page 52

HP A4065A 260 Mbyte Hard Disk Drive, Disk Speed/Rotational Latency

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Environmental Requirements Temperature Operating: Non-operating 0 to 55 deg. C (32 to 131 deg. F) 24 deg. C/hr (75 deg. F/hr gradient) -40 to 70 deg. C (-40 to 158 deg. F) 24 deg. C/hr (75 deg. F/hr gradient) Altitude Operating: Non-operating: -61 to 4572 meters (-200 to 15,000 feet) -305 to 15,240 meters (-1,000 to 50,000 feet) Relative Humidity Operating: Non-operating: Max wetbulb temperature 10% to 90% non-condensing 10% to 90% non-condensing 26.7 deg. C (80 deg. F) Shock Operating: Non-operating: 2 G peak, 11 ms, 1/2 sinewave 10 G peak, 11 ms, 1/2 sinewave 20 G peak, 11 ms + 3 ms, 1/2 sinewave 26 ms trapezoidal with 25 G peak amplitude Vibration Operating: Swept Sine: Random: Non-operating: Swept Sine: Random: 0.5 G peak, 5 - 400 Hz 0.0001 G2/Hz, 5 - 400 Hz 0.2 inches pk-pk @ 5-30 Hz, 1.0 Gpk @ 30-400 Hz 0.015 G2/Hz, 5 - 500 Hz HP A4065A 260 Mbyte Hard Disk Drive Capacity Formatted: 270,000,000 Bytes Performance Seek Times Track to track: Average: Maximum: Disk Speed/Rotational Latency Average Latency: Disk Speed: 2.6 ms 10 ms 25 ms 6.7 msec or less 4500 RPM minimum 4-4 Int. Mass Storage Model 712 Technical Reference

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4-4
Model 712 Technical Reference
Int. Mass Storage
Environmental Requirements
Temperature
Operating:
0 to 55 deg. C (32 to 131 deg. F)
24 deg. C/hr (75 deg. F/hr gradient)
Non-operating
-40 to 70 deg. C (-40 to 158 deg. F)
24 deg. C/hr (75 deg. F/hr gradient)
Altitude
Operating:
-61 to 4572 meters (-200 to 15,000 feet)
Non-operating:
-305 to 15,240 meters (-1,000 to 50,000 feet)
Relative Humidity
Operating:
10% to 90% non-condensing
Non-operating:
10% to 90% non-condensing
Max wetbulb
temperature
26.7 deg. C (80 deg. F)
Shock
Operating:
2 G peak, 11 ms, 1/2 sinewave
10 G peak, 11 ms, 1/2 sinewave
Non-operating:
20 G peak, 11 ms + 3 ms, 1/2 sinewave
26 ms trapezoidal with 25 G peak amplitude
Vibration
Operating:
Swept Sine:
0.5 G peak, 5 - 400 Hz
Random:
0.0001 G
2
/Hz, 5 - 400 Hz
Non-operating:
Swept Sine:
0.2 inches pk-pk @ 5-30 Hz,
1.0 Gpk @ 30-400 Hz
Random:
0.015 G
2
/Hz, 5 - 500 Hz
HP
A4065A 260 Mbyte Hard Disk Drive
Capacity
Formatted:
270,000,000 Bytes
Performance
Seek Times
Track to track:
2.6 ms
Average:
10 ms
Maximum:
25 ms
Disk Speed/Rotational Latency
Average Latency:
6.7 msec or less
Disk Speed:
4500 RPM minimum