Cables and connectors in your pc
Internal devices such as the power supply, processor, hard drives, DVD and CD-ROM drives require the
connection of data and power cables from device to system board. Cables are connected to the system
board and internal devices as shown below. You must also connect the power supply connector, status
panel connector and CD audio connector (if a CD-ROM is fitted) to the system board.
CD audio connector
Internal speaker
Second serial port
CD-ROM, DVD,
CD-RW, Tape or
Zip drive
Hard drive(s)
Floppy drive
Upgrading and replacing hardware
Processor fan connector
(not used if a passive
heatsink is fitted, as
shown here)
Power connector
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