Dell Dimension 8400 - Manual (Page 36)

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orange light — A good connection exists between a
100-Mbps network and the computer.
yellow light — A good connection exists between a 1
Gb (or 1000-Mbps) network and the computer.
off (no light) — The computer is not detecting a
physical connection to the network.
Activity light (on integrated network adapter) yellow blinking light
Diagnostic lights four lights on the back panel (See " Diagnostic
Lights .")
Standby power light AUX_PWR on the system board
Power
DC power supply:
Wattage 350 W
Heat dissipation 460.7 BTU/hr
Voltage (see the safety instructions located in
the Product Information Guide for important
voltage setting information) fixed-voltage power supply — 110 V at 50/60 Hz
manual selection and auto-sensing power supplies —
90 to 135 V at 50/60 Hz; 180 to 265 V at 50/60 Hz;
100 V at 50/60 Hz for Japanese computers
Backup battery 3-V CR2032 lithium coin cell
Physical
Height 42.5 cm (16.7 inches)
Width 18.1 cm (7.1 inches)
Depth 44.7 cm (17.6 inches)
Weight 12.7 kg (28 lb)
Environmental
Temperature:
Operating 10° to 35°C (50° to 95°F)
NOTE: At 35°C (95°F), the maximum operating
altitude is 914 m (3000 ft).
Storage –40° to 65°C (–40° to 149°F)
Relative humidity 20% to 80% (noncondensing)
Maximum vibration:
Operating 0.25 G at 3 to 200 Hz at 0.5 octave/min
Storage 0.5 G at 3 to 200 Hz at 1 octave/min
Maximum shock:
Operating bottom half-sine pulse with a change in velocity of 20
inches/sec (50.8 cm/sec)
Storage 27-G faired square wave with a velocity change of
200 inches/sec (508 cm/sec)
Altitude:
Operating – 15.2 to 3048 m (–50 to 10,000 ft)
Storage – 15.2 to 10,668 m (–50 to 35,000 ft)