Jumpers, Figure 5, Shows – Dell OptiPlex GX1 User Manual
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Working Inside Your Computer: Dell OptiPlex GX1 and GX1p Midsize Managed PC Systems
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board.
During an installation procedure, you may be required to change a jumper setting on the system board and/or
a jumper setting on an expansion card or on a drive. Jumpers provide a convenient and reversible way of
reconfiguring the circuitry on a printed circuit board. For more information, see "
Figure 5. Inside the Chassis
Jumpers
Jumpers are small blocks on a circuit board with two or more pins emerging from them. Plastic plugs
containing a wire fit down over the pins. The wire connects the pins and creates a circuit.
To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the pin(s) indicated.
NOTICE: Make sure your system is turned off before you change a jumper setting. Otherwise,
damage to your system or unpredictable results may occur.