Dell Precision 380 Quick Reference Guide - Page 11

For single- and dual-monitor capable cards with a single connector One VGA adapter: VGA Use the VGA adapter when you have a single-monitor graphics card and you want to connect your computer to a VGA monitor. Dual VGA Y cable adapter: Dual DVI Y cable adapter: VGA VGA DVI DVI Use the appropriate Y cable when your graphics card has a Use the appropriate Y cable when your graphics card has a single connector and you want to connect your computer single connector and you want to connect your computer to one or two VGA monitors. to one or two DVI monitors. The dual-monitor cable is color-coded; the blue connector is for the primary monitor, and the black connector is for the second monitor. To enable dual-monitor support, both monitors must be attached to the computer when you start the computer. Quick Reference Guide 11