OK, some information from
Matrox (i'd assume the same kind of instructions for using another, non-Matrox card
How to configure Surround Gaming for Quake 3 Arena:
1) Go to Quake 3 directory
2) Go to \baseq3 subdirectory
3) Edit file 'q3config.cfg' (use Wordpad)
4) Find line 'seta r_customwidth', set to "2400"
5) Find line 'seta r_customheight', set to "600"
6) Find the line 'seta r_mode' set to "-1"
7) Find line 'seta cg_fov', set to "143" - if this line is not present, add 'seta cg_fov "143"' to the end of the file.
8) Run game (HUD should now be only displaying on central screen).
Note: Do not change resolution in-game, or these changes will have to be repeated.
How to configure Surroung Gaming for Unreal Tournament 2003
1) Go to the installed directory
2) Go to the "system" subdirectory
3) Edit the file "ut2003.ini"
4) Locate the section [WinDrv.WindowsClient]
5) Modify the "FullscreenViewportX=" line to read 2400
6) Modify the "FullscreenViewportY=" line to read 600
7) Add the line "ScaleHUDX=0.333333" to the end of this section
8) Save/exit the file
9) Run the game
10) Once in the game (actually playing) hit <TAB> to bring up the command line
11) Type "FOV 138" and hit <ENTER> - this should adjust the world FOV to 138 degrees.
How to configure Surround Gaming for Return to Castle Wolfenstein
1) Run game 1st time (required to create configuration file)
2) Go to Wolfenstein installed directory
3) Go to \Main subdirectory
4) Edit file 'wolfconfig_mp.cfg' (for multiplayer gameplay)
5) Find line 'seta r_customwidth', set to "2400" (if not present, add 'seta r_customwidth "2400"')
6) Find line 'seta r_customheight', set to "600" (if not present, add 'seta r_customheight "600"')
7) Find the line 'seta r_mode' set to "-1"
8) Find line 'seta cg_fov', set to "143" (if not present, add 'seta cg_fov "138"')
9) Edit the Wolfenstein Multiplayer shortcut (Right-click on shortcut --> Properties)
10) Add '+set sv_cheats 1' to the end of the 'Target' line.
11) Run multiplayer game (HUD should now be only displaying on central screen).
Note: Do not change resolution in-game, or these changes will have to be repeated.