
24
Quick Reference Guide
Back View (Desktop Orientation)
3
2
4
1
1
card slots
Access connectors for any installed PCI or PCI Express cards.
2
power connector
Insert the power cable into this connector.
3
voltage selection switch
See the safety instructions located in the
Product Information Guide
for more
information.
4
back-panel connectors
Plug serial, USB, and other devices into the appropriate connector.
Summary of Contents for OptiPlex 390
Page 4: ...4 Contents ...
Page 44: ...44 Quick Reference Guide ...
Page 50: ...50 Sommaire ...
Page 92: ...92 Guide de référence rapide ...
Page 98: ...98 Conteúdo ...
Page 140: ...140 Guia de referência rápida ...
Page 146: ...146 Contenido ...