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36 Specifications
Front panel audio HDA
header
one 10-pin connector
Processor
one 775-pin connector
Memory
Vostro 420: four 240-pin connectors
Vostro 220/220s: two 240-pin connectors
Power 12V
one 4-pin connector
Power
one 24-pin connector
Controls and Lights
Front of 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 (see
"Power Problems" on page 50).
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 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
Connectors (continued)