From WSGFWiki

Game Information

By: Ubisoft
Genre: Tom Clancy, Action-Adventure
Release Date: March 28, 2005
Players: 1 +Multiplayer
Version: Retail

Splinter Cell: Pandora Tomorrow is a third-person action-adventure set in Tom Clancy's world of Splinter Cell. The game follows the exploits of covert operative Sam Fisher, who utilizes stealth and impressive gadgetry to dispose of his enemies and accomplish his objectives. CS:PT is the third game in the series.

Widescreen Support

Method

After running the game once there is a hidden folder created ....

C:\Documents and Settings\All Users\Application Data\Ubisoft\Tom Clancy's Splinter Cell Chaos Theory

Here you will find the ini files the game actually uses.
SplinterCell3.ini .... and .... SplinterCell3User.ini

On my system I can choose my native widescreen res 1920x1200 from the game display menu ... that said ...
You can edit the SplinterCell3.ini to set the res to what you want ... under the heading ... [WinDrv.WindowsClient]
Change these lines to whatever res you require ...
FullscreenViewportX=1920
FullscreenViewportY=1200

Edit the SplinterCell3User.ini to change the FOV from 75 to your desired FOV ... under the heading ...
[Engine.PlayerController]
DesiredFOV=75.0
DefaultFOV=75.0
85.28 is recommended for 16:10 resolutions, and 91.31 for 16:9 resolutions.

Screen change

Hor +

File:(4:3 screenshot name)

4:3 Resolution

File:(16:10 screenshot name)

16:10 Resolution

Surround Gaming support

Method

Surround is supported through the matrox SGU.

Known Issues

Stretched HUD and some 2D screens.

Condensed detailed report

WSGF links

Detailed report - http://www.widescreengamingforum.com/forum/viewtopic.php?t=7881
Solution Thread - http://www.widescreengamingforum.com/forum/viewtopic.php?t=755

External links

http://splintercell.us.ubi.com/splintercellchaostheory.php