Hi all, I am trying to setup a uni-dual monitor display. What I want to be able to do is to have two monitors act as one, I want to be able to move my mouse arrow from one monitor and have it show up in the other monitor as if it were moving across one screen. My system OS is Redhat Enterprise linux 4 Workstation, kernel 2.4.21-27 and I have a nvidia Quadro Fx 1400 PCI dual head, DVI port video card installed. Currently, I have two monitors plugged into the card but theyare acting as two separate displays (twins) and not as one. Below is my current XFree86 config file. Thanks. D22- # XFree86 4 configuration created by pyxf86config Section "ServerLayout" Identifier "Default Layout" Screen 0 "Screen0" 0 0 InputDevice "Mouse0" "CorePointer" InputDevice "Keyboard0" "CoreKeyboard" InputDevice "DevInputMice" "AlwaysCore" EndSection Section "Files" # RgbPath is the location of the RGB database. Note, this is the name of the # file minus the extension (like ".txt" or ".db"). There is normally # no need to change the default. # Multiple FontPath entries are allowed (they are concatenated together) # By default, Red Hat 6.0 and later now use a font server independent of # the X server to render fonts. RgbPath "/usr/X11R6/lib/X11/rgb" FontPath "unix/:7100" EndSection Section "Module" Load "dbe" Load "extmod" Load "fbdevhw" Load "glx" Load "record" Load "freetype" Load "type1" Load "dri" EndSection Section "InputDevice" # Specify which keyboard LEDs can be user-controlled (eg, with xset(1)) # Option "Xleds" "1 2 3" # To disable the XKEYBOARD extension, uncomment XkbDisable. # Option "XkbDisable" # To customise the XKB settings to suit your keyboard, modify the # lines below (which are the defaults). For example, for a non-U.S. # keyboard, you will probably want to use: # Option "XkbModel" "pc102" # If you have a US Microsoft Natural keyboard, you can use: # Option "XkbModel" "microsoft" # # Then to change the language, change the Layout setting. # For example, a german layout can be obtained with: # Option "XkbLayout" "de" # or: # Option "XkbLayout" "de" # Option "XkbVariant" "nodeadkeys" # # If you'd like to switch the positions of your capslock and # control keys, use: # Option "XkbOptions" "ctrl:swapcaps" # Or if you just want both to be control, use: # Option "XkbOptions" "ctrl:nocaps" # Identifier "Keyboard0" Driver "keyboard" Option "XkbRules" "xfree86" Option "XkbModel" "pc105" Option "XkbLayout" "us" EndSection Section "InputDevice" Identifier "Mouse0" Driver "mouse" Option "Protocol" "IMPS/2" Option "Device" "/dev/psaux" Option "ZAxisMapping" "4 5" Option "Emulate3Buttons" "no" EndSection Section "InputDevice" # If the normal CorePointer mouse is not a USB mouse then # this input device can be used in AlwaysCore mode to let you # also use USB mice at the same time. Identifier "DevInputMice" Driver "mouse" Option "Protocol" "IMPS/2" Option "Device" "/dev/input/mice" Option "ZAxisMapping" "4 5" Option "Emulate3Buttons" "no" EndSection Section "Monitor" Identifier "Monitor0" VendorName "Monitor Vendor" ModelName "ViewSonic P220f-3" HorizSync 30.0 - 110.0 VertRefresh 50.0 - 160.0 Option "dpms" EndSection Section "Device" Identifier "Videocard0" Driver "vesa" VendorName "Videocard vendor" BoardName "VESA driver (generic)" EndSection Section "Screen" Identifier "Screen0" Device "Videocard0" Monitor "Monitor0" DefaultDepth 24 SubSection "Display" Depth 24 Modes "1280x1024" "1280x960" "1152x864" "1024x768" "800x600" "640x480" EndSubSection EndSection Section "DRI" Group 0 Mode 0666 EndSection

You need to set up twinview http://www.tldp.org/HOWTO/Xinerama-HOWTO/index.html http://gentoo-wiki.com/HOWTO_Dual_Monitors