Dell 320 manual Inside Your Computer

		NOTE: Do not plug a telephone cable into the network connector.
		On computers with a network adapter card, use the connector on the
		card.
		It is recommended that you use Category 5 wiring and connectors for
		your network. If you must use Category 3 wiring, force the network
		speed to 10 Mbps to ensure reliable operation.
4	network	This light flashes yellow when the computer is transmitting or receiving
	activity light	network data. A high volume of network traffic may make this light
		appear to be in a steady "on" state.
5	line-in	Use the blue line-in connector to attach a record/playback device such as
	connector	a cassette player, CD player, or VCR.
		On computers with a sound card, use the connector on the card.
6	line-out	Use the green line-out connector to attach headphones and most
	connector	speakers with integrated amplifiers.
		On computers with a sound card, use the connector on the card.
7	microphone	Use the pink microphone connector to attach a personal computer
	connector	microphone for voice or musical input into a sound or telephony program.
		On computers with a sound card, the microphone connector is on the
		card.
8	USB 2.0	Use the back USB connectors for devices that typically remain connected,
	connectors	such as printers and keyboards.
	(4)
9	video	Plug the cable from your VGA-compatible monitor into the blue connector.
	connector
		NOTE: If you purchased an optional graphics card, this connector will be
		covered by a cap. Connect your monitor to the connector on the graphics
		card. Do not remove the cap.
10	serial	Connect a serial device, such as a handheld device, to the serial port.
	connector	The default designation is COM1 for serial connector 1.
		For more information, see System Setup Options.

Inside Your Computer

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

CAUTION: To avoid electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.

NOTICE: Be careful when opening the computer cover to ensure that you do not accidentally disconnect cables from the system board.

1	drives bay (CD/DVD, floppy, and hard drive)	4	card slots
2	power supply	5	heat sink assembly
3	system board	6	front I/O panel