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Controls and Lights
Front of the computer:
Power button
push button
Power light
blue light — Blinking blue in sleep state; solid blue for
power-on state
amber light — Blinking amber indicates a power problem
sensed by the power supply unit. Solid amber when the
computer does not start indicates the system board cannot
start initialization.
off — System is in hibernate, soft-off, or mechanical-off
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.
Rear of the computer:
Link integrity light (on
integrated network adapter)
green light — A good connection exists between the network
and the computer.
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:
Voltage (see the safety
information that shipped with
your computer for important
voltage setting information)
Vostro 420 — 115/230 VAC, 50/60 Hz, 8A/4A
Vostro 220 — 115/230 VAC, 50/60 Hz, 7A/4A
Vostro 220s — 115/230 VAC, 50/60 Hz, 6A/3A
Coin-cell battery 3 V CR2032 lithium coin cell
Physical
Height Vostro 420 — 41.4 cm (16.3 inches)
Vostro 220 — 35.44 cm (13.95 inches)
Vostro 220s — 35.4 cm (13.9 inches)
Width Vostro 420 — 18.3 cm (7.20 inches)
Vostro 220 — 16.94 cm (6.67 inches)
Vostro 220s — 10 cm (3.9 inches)
J531Ham02.fm Page 8 Friday, February 13, 2009 4:06 PM