Dell PowerEdge 4300 Dell PowerEdge 4300 Systems Installation and Troubleshooti - Page 191

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This appendix provides specific information about the jumpers on the system board. It also provides some basic information on jumpers and switches and describes the connectors and sockets on the various boards in the computer. Jumpers and switches provide a convenient and reversible way of reconfiguring the circuitry on a printed circuit board. When reconfiguring the system, you may need to change jumper settings on the system board. You may also need to change jumper and/or switch settings on expansion cards or drives. 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. Jumpers, Switches, and Connectors B-1

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Jumpers, Switches, and Connectors
B-1
$33(1’,;²%
-XPSHUV³±6ZLWFKHV³±DQG±&RQQHFWRUV
This appendix provides specific information about the jumpers on the system board. It
also provides some basic information on jumpers and switches and describes the
connectors and sockets on the various boards in the computer.
-XPSHUV±DQG±6ZLWFKHV‡$ *HQHUDO±
([SODQDWLRQ
Jumpers and switches provide a convenient and reversible way of reconfiguring the
circuitry on a printed circuit board. When reconfiguring the system, you may need to
change jumper settings on the system board. You may also need to change jumper
and/or switch settings on expansion cards or drives.
-XPSHUV
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.
&$87,21±²0DNH²VXUH²WKH²V\VWHP²LV²WXUQHG²RII²EHIRUH²\RX²FKDQJH²D²MXPSHU²
VHWWLQJ³²2WKHUZLVH´²GDPDJH²WR²WKH²V\VWHP²RU²XQSUHGLFWDEOH²UHVXOWV²PD\²
RFFXU³²
To change a jumper setting, pull the plug off its pin(s) and carefully fit it down onto the
pin(s) indicated.