7-2
Physical and Operating Systems
System Unit
Table 7-1
System Specifications
U. S.
Metric
Desktop Dimensions
Height
Width
Depth
5.25 in
19.25 in
15.69 in
13.34 cm
48.90 cm
39.85 cm
Weight (approximate)
35.65 lb
12.85 kg
Power Supply
Operating Voltage Range
Rated Voltage Range
Rated Line Frequency
90-132 VAC
100-127 VAC
50 - 60 Hz
180-264 VAC
200-250 VAC
50 - 60 Hz
Rated Input Current (maximum)
5.5 A
2.75 A
Power Output
200 W (minimum)
200 W (minimum)
Environmental Requirements
Temperature
Operating
Shipping
50
°
to 95
°
F
4
°
to 140
°
F
10
°
to 35
°
C
-20
°
to 60
°
C
Relative Humidity (noncondensing)
Operating
Nonoperating
8% to 90%
5% to 95%
8% to 90%
5% to 95%
Maximum Altitude (unpressurized)
Operating
Nonoperating
Heat Dissipation (nominal)
10,000 ft
30,000 ft
525 Btu/hr *
3048 m
9144 m
2.21 kg-cal/min
*
Assuming nominal system draw is 100W and typical ps efficiency is 67.5%, then Btu/hr = (100/.675) * 3.54 = 525
