Nick - format 64 cluster size?

Hello again.
I noticed on another forum where you posted 8 Dec that you format the dedicated FSX drive in 64 cluster size.
I may go the route of adding a ded drive for FSX, a Raptor 150Gb, and would like to know how to do this?
Do I need XP 64 bit?
Thanks.
Jack
I noticed on another forum where you posted 8 Dec that you format the dedicated FSX drive in 64 cluster size.
I may go the route of adding a ded drive for FSX, a Raptor 150Gb, and would like to know how to do this?
Do I need XP 64 bit?
Thanks.
Jack