HP Model 712/100 hp 9000 series 700 model 712 technical reference manual (a261 - Page 58

Mass Storage Devices, HP A2657A 1 Gbyte Hard Disk Drive, Soft Read Error Rate

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Mass Storage Devices HP A2657A 1 Gbyte Hard Disk Drive Capacity Formatted: 1,050,347,520 Bytes Performance Seek Times Track to track: Average: Max: Data Transfer Rates Internal (disk) Burst: External (bus) Asyn: Syn: Error Rates Soft Read Error Rate: Hard Read Error Rate: Seek Error Rate: 2.5 ms 10 ms 25 ms 24 - 40 MHz 5.0 MB/s 10 MB/s 10 in 1011 bits read 10 in 1013 bits read 10 in 107 seeks Environmental Requirements Temperature Operating: Non-operating: Altitude Operating: Non-operating: Relative Humidity Operating: Non-operating: Max wetbulb temperature Shock Operating: Non-operating: 0 to 55 deg. C (32 to 121 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) -61 to 4572 meters (-200 to 15,000 feet) -305 to 15,240 meters (-1,000 to 50,000 feet) 10% to 90% non deg. Condensing 10% to 90% non deg. Condensing 26.7 deg. C (80 deg. F) 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 5-2 Ext. Mass Storage Model 712 Technical Reference

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5-2
Model 712 Technical Reference
Ext. Mass Storage
Mass Storage Devices
HP
A2657A 1 Gbyte Hard Disk Drive
Capacity
Formatted:
1,050,347,520
Bytes
Performance
Seek Times
Track to track:
2.5 ms
Average:
10 ms
Max:
25 ms
Data Transfer Rates
Internal (disk)
Burst:
24 - 40 MHz
External (bus)
Asyn:
5.0 MB/s
Syn:
10 MB/s
Error Rates
Soft Read Error Rate:
10 in 10
11
bits read
Hard Read Error Rate:
10 in 10
13
bits read
Seek Error Rate:
10 in 10
7
seeks
Environmental Requirements
Temperature
Operating:
0 to 55 deg. C (32 to 121 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 deg. Condensing
Non-operating:
10% to 90% non deg. 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