Dell OptiPlex 3010 Mini-Tower Owner's Manual page 56

System Board Connectors
Mini-Tower, Desktop
Small Form Factor
Front panel control
Processor
Processor Fan
Mini-Tower, Desktop
Small Form Factor
Password clear jumper
RTC reset jumper
Internal speaker
Intruder connector
Power connector
Controls and Lights
Front of the computer:
Power button light
Drive activity light
Diagnostic lights
Back of the computer:
Power supply diagnostic light
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two 3-pin connector
one 5-pin connector
one 16-pin, two 10–pin, and one 5-pin connector
one 1155-pin connector
one 4-pin connector
one 5-pin connector
one 3-pin connector
one 3-pin connector
one 5-pin connector
one 3-pin connector
one 24-pin and one 4-pin connector
Blue light — Solid blue light indicates power-on
state; blinking blue light indicates sleep state of
the computer.
Amber light — Solid amber light when the
computer does not start indicates a problem
with the system board or power supply. Blinking
amber light indicates a problem with the system
board.
Blue light — Blinking blue light indicates that the
computer is reading data from or writing data to
the hard drive.
Four lights located on the front panel of the
computer. For more information on the
diagnostic lights, see the Service Manual at
support.dell.com/manuals.
Green light — The power supply is turned on
and is functional. The power cable must be
connected to the power connector (at the back
of the computer) and the electrical outlet.