Back View (Tower Orientation) - Dell Precision 390 Quick Reference Manual

Back View (Tower Orientation)

1 power connector
2 voltage selection switch
3 back-panel connectors
4 card slots
Insert the power cable into this connector.
See the safety instructions located in the Product Information Guide for more
information.
Plug serial, USB, and other devices into the appropriate connector.
Access connectors for any installed PCI or PCI Express cards.
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Quick Reference Guide
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