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Power control
push button
Power light
green light — blinking green indicates sleep mode;
solid green indicates power-on state.
amber light — blinking amber indicates a problem
with an installed device; solid amber indicates an
internal power problem (see Power Problems).
Hard-drive access light
green
Link light
solid green light indicates network connection
Link integrity light (on integrated network adapter)
green light for 10-Mb operation; orange light for 100-
Mb operation; yellow light for a 1000-Mb (1-Gb)
operation
Activity light (on integrated network adapter)
yellow blinking light
Diagnostic lights
four lights on the front panel. See Diagnostic Lights.
Standby power light
AUX_PWR on the system board
Power
DC power supply:
NOTE: Power consumption can be zero when the
computer is unplugged.
Wattage
275 W
Heat dissipation
938 BTU/hr
NOTE: Heat dissipation is calculated based upon the
power supply rating.
Voltage
manual selection power supplies — 90 to 135 V at
50/60Hz;180to265Vat50/60Hz
Backup battery
3-V CR2032 lithium coin cell
Physical
Height
9.26 cm (3.65 inches)
Width
31.37 cm (12.35 inches)
Depth
34.03 cm (13.40 inches)
Weight
7.4 kg (16.4 lb)
Environmental
Temperature:
Operating
10°to35°C(50°to95°F)
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)