Dell Precision 390 - Manual (Page 17)

Quick Reference Guide
17
For dual-monitor capable cards with one DVI connector and one VGA connector
One DVI Connector and One VGA Connector
Use the appropriate connector(s) when you want
to connect your computer to one or two monitors.
Two VGA Connectors With One VGA Adapter
Use the VGA adapter when you want to connect
your computer to two VGA monitors.
VGA
DVI
VGA
VGA
For dual-monitor capable cards with two DVI connectors
Two DVI Connectors
Use the DVI connector(s) to connect
your computer to one or two DVI
monitors.
Two DVI Connectors With One VGA
Adapter
Use the VGA adapter to connect a
VGA monitor to one of the DVI
connectors on your computer.
Two DVI Connectors With Two VGA
Adapters
Use two VGA adapters to connect
two VGA monitors to the DVI
connectors on your computer.
DVI
DVI
DVI
VGA
VGA
VGA