internal power problem (see "Power Problems" in
your computer Owner's Manual).
Link integrity light (on integrated network adapter)
green light — A good connection exists between a
10-Mbps network and the computer.
orange light — A good connection exists between a
100-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)
four lights on the front panel (See "Dell Diagnostics"
for an explanation of the diagnostic light codes.)
AUX_PWRLED on the system board
Activity light (optional Media Card Reader)
Voltage (See the safety instructions 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 —
90to135Vat50/60Hz;180to265Vat50/60Hz;
100 V at 50/60 Hz for Japanese computers
3-V CR2032 lithium coin cell
10°to35°C(50°to95°F)
–40°to65°C(–40°to149°F)
20% to 80% (noncondensing)
0.25 G at 3 to 200 Hz at 0.5 octave/min
0.5 G at 3 to 200 Hz at 1 octave/min
bottom half-sine pulse with a change in velocity of
50.8cm/sec(20inches/sec)
27-G faired square wave with a velocity change of
508cm/sec(200inches/sec)
–15.2 to 3048 m (–50 to 10,000 ft)
–15.2 to 10,668 m (–50 to 35,000 ft)
