Dell OptiPlex GX280 - Manual (Page 9)

Quick Reference Guide
9
Desktop Computer
USB 2.0 connectors (2)
Microsoft
Windows
Product Key
CD/DVD-drive eject button
floppy-drive
eject button
power button
power light
diagnostic lights
headphone connector
microphone
connector
card
slots (3)
power
connector
serial connector USB 2.0 connectors (6)
microphone connector
network activity light
link integrity light
network adapter connector
video connector
line-in connector
parallel connector
line-out connector
voltage selection switch