Setup Guide

Quick Reference Guide 23

Desktop Computer — Back View

7 hard-drive

activity light

This light flickers when the hard drive is being accessed.

8 headphone

connector

Use the headphone connector to attach headphones and

most kinds of speakers.

9 microphone

connector

Use the microphone connector to attach a microphone.

10 drive bay This bay accommodates an optional floppy drive, media

card reader, or second hard drive.

11 optical drive

(optional)

Insert an optical drive (if supported) into this bay.

1 card slots (3) Access connectors for any installed PCI and PCI Express

cards.

2 back-panel

connectors

Plug serial, USB, and other devices into the appropriate

connectors (see "Desktop Computer — Back-Panel

Connectors" on page 24).

3 power connector Insert the power cable.

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