Dell Vostro 3902 Mini Tower (Late 2013) - Manual (Page 36)

Control Lights And Diagnostic Lights
power button light white light — solid white light indicates power-on
state.
amber light — solid amber light indicates sleep/stand
by state of the computer; blinking amber light
indicates a problem with the system board.
drive activity light white light — blinking white light indicates that the
computer is reading data from, or writing data to the
hard drive.
Power Vostro 3800 Vostro 3900 series
Coin-cell battery 3 V CR2032 lithium coin
cell
3 V CR2032 lithium coin
cell
Input voltage 90 VAC – 132 VAC / 180
VAC–264 VAC 180 VAC–264 VAC
Input frequency 50 Hz to 60 Hz 50 Hz to 60 Hz
Wattage 250 W 300 W
Input current 8.00 A / 4.00 A 4.50 A
NOTE: Vostro V 3800 :Total power output of +5 V and +3.30 V can not exceed 75 W
NOTE: Vostro V 3900 :Total power output of +5 V and +3.30 V can not exceed 90 W
Maximum heat dissipation 853 BTU/hr 1024 BTU/hr
NOTE: Heat dissipation is calculated by using the power supply wattage rating.
Physical
Vostro 3800:
Height 380 mm (14.96 inches)
Width 102 mm (4.01 inches)
Depth 433.1 mm (17.05 inches)
Weight (Minimum) 7.2 kg (15.87 lb)
Vostro 3900 series:
Height 380 mm (14.96 inches)
Width 175 mm (6.88 inches)
Depth 436.3 mm (17.17 inches)
Weight (Minimum) 8.5 kg (18.73 lb)
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