green light — Blinking green in sleep state; solid
green for power-on state.
amber light — Blinking amber indicates a problem
with an installed device; solid amber indicates an
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 Diagnostic Lights
for an explanation of the diagnostic light codes)
STBYLED 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)
manual selection power supplies — 90 to 135 V at
50/60 Hz; 180 to 265 V at 50/60 Hz
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(20in/sec)
27-G faired square wave with a velocity change of
508cm/sec(200in/sec)
–15.2 to 3048 m (–50 to 10,000 ft)
–15.2 to 10,668 m (–50 to 35,000 ft)