Service Manual

yellow light — A good connection exists between a 1-
GB (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 when there is activity on the
network; if there is not any network activity, the light
will be off
Diagnostic lights
four lights on the front panel (see Diagnostic Lights)
Standby power light
AUXPWR on the system board
front panel LEDs
eight multi-colored LEDs provide illumination for the
front of the computer
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NOTE: The color of the front panel LEDs can be
adjusted in system setup (see System Setup).
back panel LEDs
two multi-colored lights provide illumination for the
I/O panel on the back of the computer
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NOTE: The color of the back panel LEDs can be
adjusted in system setup (see System Setup).
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Power
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DC power supply:
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CAUTION: To reduce the risk of fire, electric shock,
or injury, do not overload an electrical outlet,
power strip, or convenience receptacle. The total
ampere rating of all products plugged into an
electrical outlet, power strip, or other receptacle
should not not exceed 80 percent of the branch
circuit rating.
Wattage
750 W or
1 KW
Heat dissipation
750 W: 1150 BTU/hr or
1 KW: 1075 BTU/hour
Voltage (see the safety instructions located in
the Product Information Guide for important
voltage setting information)
auto-sensing power supply—90 V to 265 V at 50/60
Hz
Backup battery
3-V CR2032 lithium coin cell
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Physicall
Height
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Without stand
55.5 cm (21.9 inches)
With stand
57.2 cm (22.5 inches)
Width
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Without stand
21.9 cm (8.6 inches)
With stand
35.6 cm (14.0 inches)
Depth
59.4 cm (23.4 inches)
Weight
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Typical configuration
21.7 kg (47.8 lb)
Maximum configuration
25.6 kg (56.4 lb)
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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)