Dell OptiPlex 3010 (Mid 2012) - Manual (Page 58)

System Board Connectors
Mini-Tower, Desktop two 3-pin connector
Small Form Factor one 5-pin connector
Front panel control one 16-pin, two 10–pin, and one 5-pin connector
Processor one 1155-pin connector
Processor Fan
Mini-Tower, Desktop one 4-pin connector
Small Form Factor one 5-pin connector
Password clear jumper one 3-pin connector
RTC reset jumper one 3-pin connector
Internal speaker one 5-pin connector
Intruder connector one 3-pin connector
Power connector one 24-pin and one 4-pin connector
Controls and Lights
Front of the computer:
Power button light 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.
Drive activity light Blue light — Blinking blue light indicates that the
computer is reading data from or writing data to
the hard drive.
Diagnostic lights 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.
Back of the computer:
Power supply diagnostic light 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.
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