Dell Precision 450 Guide De Configuration Et De Référence Rapide page 12

For single- and dual-monitor capable cards with a single connector
VGA Adapter
VGA
• Use the VGA adapter when you have a single
monitor graphics card and you want to connect to a
VGA monitor.
Dual VGA Y Cable Adapter
VGA
VGA
• Use the appropriate Y cable when your graphics card
has a single connector and you want to connect to
one or two VGA monitors.
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Setup and Quick Re ference Guide
The dual-monitor cable is color coded; the blue connector is for the primary
monitor, and the black connector is for the secondary monitor. To enable
dual-monitor support, both monitors must be attached when the computer
starts.
Dual DVI Y Cable Adapter
DVI
DVI
• Use the appropriate Y cable when your graphics card
has a single connector and you want to connect to
one or two DVI monitors.