In your em4 game directory, open the em4.cfg with notepad and look for <var name="r_xres" value="xxxx" /> and <var name="r_yres" value="xxxx" /> and change them to <var name="r_xres" value="1920" /> and <var name="r_yres" value="1080" />
As stated countless time around here, no one is going to make a mod for you, best tip is to check out the Tutorial section, and maybe play around in the editor and get familiar with it. Also double posting is not allowed, use the edit button to add or edit text into a post.
You will need the map texture for that (.tga file). It is unfortunatly not possible to convert the eft back into a tga. So you will need the "original" map texture.
In the Textures folder you can find a Hose.dds. This is the texture for the firehose. If no Texture folder is inside the mod folder, it can be copied from Data (main game) - and Textures.
I was under the impression that the Xeon processors was more angeled towards servers and machines that do rendering etc, and not so much towards gaming. Although not a 100% sure if that is correct.