Hopefully, Manny can do a work around. Here's what the MOH readme file says about unsupported video cards.
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The following 16MB or greater 3D accelerators are not fully
supported and do not work properly with the game:
-3Dfx Voodoo 4 and 5
	The main menu is corrupted. No intro movies play.
        Explosions and muzzle flashes have gray boxes that appear
        around them. Various textures are corrupted. See the 3Dfx
	portion of the Troubleshooting section below to fix the
        main menu.
-3Dfx Voodoo 3
	The main menu is corrupted. See Troubleshooting section to
        see how to get the menu to work. No intro movies play.
        Briefing Screens are too blurry to read. Explosions and
        muzzle flashes have gray boxes that appear around them.
        Various textures are corrupted. See the 3Dfx portion of
        the Troubleshooting section below to fix the main menu.
-3Dfx Voodoo Banshee cards
-Kyro II cards
        Gray squares can be seen surrounding explosions and vehicle
	headlights. This is a problem with the Kyro II video driver
	mishandling mipmapping of alpha textures.
-Matrox G400 and G450
	Textures on most levels are badly corrupted.
-Nvidia TNT and Vanta
        These older cards yield poor frame rates.
-PowerVR NEON 250 cards:
	Video Logic PowerVR Neon 250
-S3 Savage 2000 cards:
	Diamond Viper II
-S3 Savage 4 cards:
	Diamond Stealth III S540
	Diamond Stealth III S540 Extreme
-SiS 300 cards
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It may be time to upgrade after all these video cards can not be supported for ever.
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