
Controls and Lights
of the computer) and the electrical
outlet.
NOTE: You can test the health
of the power system by
pressing the test button. When
the system power supply
voltage is within specification,
the self-test LED lights up. If the
LED does not light up, the
power supply may be defective.
AC power must be connected
during this test.
Power
Wattage
Maximum
Heat
Dissipation
Voltage
Mini-Tower
265 W
1390 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 5.0 A
Desktop
250 W
1312 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 4.4 A
Small Form
Factor
240 W
1259 BTU/hr
100 VAC to 240 VAC, 50 Hz to 60 Hz, 3.6 A;
Coin-cell
battery
3 V CR2032 lithium coin cell
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Physical
Height
Width
Depth
Weight
Mini-Tower
36.00 cm (14.17
inches)
17.50 cm (6.89
inches)
41.70 cm (16.42
inches)
8.87 kg (19.55 lb)
Desktop
36.00 cm (14.17
inches)
10.20 cm (4.01
inches)
41.00 cm (16.14
inches)
7.56 kg (16.67 lb)
Small Form
Factor
29.00 cm (11.42
inches)
9.26 cm (3.65
inches)
31.20 cm (12.28
inches)
5.70 kg (12.57 lb)
Environmental
Temperature range:
88
Содержание OptiPlex 390 Mini-Tower
Страница 1: ...Dell OptiPlex 390 Mini Tower Owner s Manual Regulatory Model D12M Regulatory Type D12M001 ...
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Страница 36: ...8 Pry the power switch cable free 9 Slide the power switch cable out through the front of the computer 36 ...
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Страница 52: ...7 Remove the screws that secure the system board to the computer 52 ...
Страница 53: ...8 Slide the system board towards the front of the computer 53 ...
Страница 54: ...9 Carefully tilt the system board to 45 degrees and then lift the system board out of the computer 54 ...
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