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<Ctrl><Alt><D>
launches the hard-drive diagnostics utility during
computer start-up
Controls and Lights
Power control
push button
Power lights
green light on power button—blinking green in sleep
state; solid green for power-on state
Hard drive access light
green light
Link integrity light (on integrated network adapter)
green light for 10-Mb operation; orange light for 100-
Mb operation
Activity light (on integrated network adapter)
yellow blinking light
Diagnostic lights
four lights on back I/O panel
Standby power light
AUX_LED on the system board
Power
DC power supply:
Wattage
small form-factor computer: 160 W
small desktop computer: 180 W
small mini-tower computer: 250 W
Heat dissipation
small form-factor computer: 455 BTU/hr (average)
small desktop computer: 500 BTU/hr (average)
small mini-tower computer: 910 BTU/hr (average)
Voltage
90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz
Backup battery
3-V CR2032 lithium coin cell
Physical
Small form-factor computer:
Height
9.0 cm (3.57 inches)
Width
31.9 cm (12.54 inches)
Depth
35.4 cm (13.93 inches)
Weight
6 kg (14 lbs)
Small desktop computer:
Height
10.6 cm (4.2 inches)
Width
38.9 cm (15.3 inches)
Depth
43.2 cm (17 inches)
Weight
9.9 kg (22 lbs)
Small mini-tower computer:
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 lbs)
Environmental
Temperature:
Operating
10°to35°C(50°to95°F)
Storage
–40°to65°C(–40°to149°F)
Relative humidity
20% to 80% (non-condensing)
Maximum vibration:
Operating
0.25 gravities (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
–16 to 3048 m (–50 to 10,000 ft)
Storage
–16 to 10,600 m (–50 to 35,000 ft)