| Sun Ultra 20 Workstation User Guide |    
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| Sun Ultra 20 Workstation User Guide |
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| A P P E N D I X B |
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Setting Up Multiple Monitor Access |
Your Sun Ultra 20 Workstation has an onboard 2D ATI graphics controller. The workstation is also designed to accomodate high performance graphic cards using the PCI Express x16 slot.
If a graphics card is installed in the PCI Express x16 slot, connect your monitor(s) to the DVI connectors on the NVIDIA or other graphics card.
If you want the ATI graphics controller to work along with a graphics card in the PCI Express x16 slot, refer to the appropriate subsection for specific configuration instructions.
To enable the onboard ATI graphics controller for Linux or Windows XP when a PCI Express x16 3D graphics card is installed:
1. Power on the system and press the F2 key at the Solaris logo screen.
2. Select PnP/PCI Configurations in the main menu.
3. Select the Init Display First option.
4. Change the display order so that PCI is the first display option.
This sets the onboard ATI adapter as the primary output device. If a 3D graphics card is installed, it functions as the secondary device.
5. Press the F10 key to save your changes and exit.
6. Connect a second monitor to the onboard video connector.
7. For a Windows XP system, you will need to download the ATI drivers from the following URL:
To enable the ATI graphics controller along with a PCI Express x16 3D graphics card when the Solaris 10 Operating System is already installed on your workstation:
1. Log into the system as root user.
2. Type the following commands to move the file:
/etc/rc2.d/S99dtlogin to /etc/rc2.d/s99dtlogin
3. Reboot the workstation, then press the F2 key at the Solaris logo screen.
4. Change the BIOS configuration as follows to enable the onboard ATI graphics controller:
a. Select PnP/PCI Configurations in the main menu.
b. Select the Init Display First option.
c. Change the display order so that PCI is the first display option.
This sets the ATI graphics controller as the primary output device. If a 3D card is installed, it functions as the secondary device.
d. Press the F10 key to save your changes and exit.
5. Connect a second monitor to the onboard video connector.
7. Open a terminal window and log into the system as superuser.
8. Type the following command:
Xorg probes the hardware on the system and create an xorg configuration file called xorg.conf.new in the root directory.
9. Copy the xorg configuration file to the /etc/X11 directory by typing.
10. Rename the file from xorg.conf.new to xorg.conf.
11. Type the following commands to rename the s99dtlogin file:
To enable the ATI graphics controller along with a PCI Express x16 3D graphics card after the Solaris 10 Operating System image was removed from the workstation, but before you reinstall the OS:
1. Reboot the workstation and press the F2 key at the Solaris logo screen.
2. Make changes in the BIOS to enable the onboard ATI graphics controller:
a. Select PnP/PCI Configurations in the main menu.
b. Select the Init Display First option.
c. Change the display order so that PCI is the first display option.
This ensures that the ATI graphics controller is enabled as the primary output device. If a 3D card is installed, it functions as the secondary device.
d. Press the F10 key to save your changes and exit.
e. Save your data and exit the BIOS.
3. Connect a second monitor to the onboard video connector.
4. Reboot the workstation and install the Solaris 10 operating system.
5. After the operating system installation is complete, open a terminal window and log into the workstation as superuser.
6. Type the following commands:
Xorg probes the hardware on the system and create an xorg configuration file called xorg.conf.new in the root directory.
7. Copy the xorg.conf.new file to the /etc/X11 directory by typing:
8. Rename the file from xorg.conf.new to xorg.conf:
| Sun Ultra 20 Workstation User Guide | 819-2146-13 |
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Copyright © 2006, Sun Microsystems, Inc. All Rights Reserved.