Making RAID for mac mini G4? Have no idea.

[California]

I want to speed up my mac mini G4 1.5 with two external hard drives in RAID.

I Have no idea what I am doing. How should I do this and can it be done?

[Crash-n-Burn]

Is this what you are looking for ?

http://docs.info.apple.com/article.html?path=DiskUtility/10.5/en/duh1013.html