ok for the record, you are just editing the amount of ram doom 3 uses on your video card, like 32, 32 bit video cards????? or I could be wrong, but I do know for sure this is a memory offset.
At fry's electronics you can have them ship it to you, I already ordered one
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as a real life friend to mr. anderson I can say that he doesn't know a damn thing about computer shit, the only thing he can do good is download songs and get grounded for talking back to his master (mom).