MS-DOS needs a mouse driver to detect your mouse. I sent the driver to kosta hoping he puts it on the driver page. Anyways,
http://www.oldfiles.org.uk/powerload...ad/mouse82.exe and open the file. Take mouse.com, put it in your windows folder. Now (I am not sure if 98 has it, anyway) open up autoexec with a text editor, or edit.exe and direct a path to the driver. (ie
c:\windows\mouse.com) I am not sure if it detects usb but it does detect com and ps/2