Dell OptiPlex 160 (Late 2008) - Manual (Page 6)

Hard drive activity light blue light — A blinking blue light indicates the computer is
reading data from or writing data to the SATA hard drive or
CD/DVD.
Network activity light blue light — A solid blue light indicates network
connectivity.
Wi-Fi indicator blue light — A solid blue light indicates the wireless network
is powered on.
Diagnostic lights (1–4) Use to troubleshoot system issues. See your Service Manual
for information about diagnostic light codes.
Back of computer:
Link integrity light (on
integrated network adapter) green light — Indicates a 10 Mbps network connection
orange light — Indicates a 100 Mbps network connection
yellow light — Indicates a 1 Gbps network connection
off (no light) — The computer is not detecting a physical
connection to the network.
Network activity light (on
integrated network adapter) yellow blinking light
Power
DC power supply:
Wattage 50 W
Voltage (see the safety
information that shipped with
your computer for important
voltage setting information) 100-240 V, ~0.8 A, 50-60 Hz
Coin-cell battery 3 V CR2032 lithium coin cell
Physical
Height 22.9 cm (9.02 inches) without stand
26.9 cm (10.6 inches) with stand
Width 5.4 cm (2.13 inches) with side cover
4.7 cm (1.85 inches) without side cover
Depth 25.2 cm (9.92 inches)
Weight 2.09 kg (4.6 lb) with stand
Controls and Lights (continued)
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