Whoa. That is a long list of questions.
The crossover cable is needed to hook two Windows PCs together when a a Bridge
or ICS is being used. That should also apply to the X-box.
You should use a ethernet crossover cable. The term 'CAT-5' refers to the quality
of the canle. Even CAT-3 work for a short distance. The question is the connection.
The croserve has one A connection and one B connetion.
If that bit of software was of some help, I am glad it did help. Here on the forum
we do things the have to do with Windows 2000 problems.
The X-Box has its own set of issues that I can not help with here.
Look here for 41000 people who are into gaming:
http://www.xbox360forum.com/forum/
ANd come back here with your next Windows 2000 question.