It sounds as though you are trying to reformat.
The easiest way will be to use a bootdisk and FDisk to wipe the drive then reinstall the operating system.
How to create a bootdisk:http://support.microsoft.com/kb/q187632/
How to use FDisk:http://www.newlogic.co.uk/kbase/fdisk/page2.htm
If the Modem & Ethernet cards are external PCIA cards then yes remove them to install the OS.
If they are internal then you can leave them in.
Let us know if this doesn't answer your questions.
As for the internet server you can check with company's like:
SBC Yahoo Dialup
A lot of times these company's offer local dialup numbers for these smaller communities.
Edited by River_Rat, 30 July 2005 - 03:49 PM.