use a flash drive setup as a key?

[xNitr0us]

would it be possible for me to take a flash drive any size dont matter i would use a 256MB though and some how program it to be a key as in it has to be plugged into a USB port or my desktop wont boot?

 

[KSoD]

Use Predator on Your USB Key to Lock & Unlock Your PC
Lock Your PC With A Pen Drive - PcXplore.com - Softwares and Tech Reviews!

You mean something like that? Looks like it is possible.

 

[xNitr0us]

thanks!, ill give it a try and let you know how it works