ASRock B75M-DGS User Manual
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ASRock B75M-DGS Motherboard
English
2. If you have installed onboard VGA driver from our support CD to your system 
 already, you can freely enjoy the benefi ts of dual monitor function after your 
 system boots. If you haven’t installed onboard VGA driver yet, please install 
 onboard VGA driver from our support CD to your system and restart your 
computer.
2.7 Dual Monitor and Surround Display Features
Dual Monitor Feature
This motherboard supports dual monitor feature. With the internal VGA output sup-
port (DVI-D and D-Sub), you can easily enjoy the benefi ts of dual monitor feature 
without installing any add-on VGA card to this motherboard. This motherboard also 
provides independent display controllers for DVI-D and D-Sub to support dual VGA 
output so that DVI-D and D-sub can drive same or different display contents.
To enable dual monitor feature, please follow the below steps:
1. Connect DVI-D monitor cable to DVI-D port on the I/O panel, and connect D-Sub 
 monitor cable to D-Sub port on the I/O panel.
D-Sub port
DVI-D port
