How To Assign A Drive Letter In Xp

[barmy]

I am trying to add an expansion drive , ironically so I can upgrade to Windows 7, to copy my data over to but when I go into to disk management and click on the unallocated storage which is my expansion drive everything is greyed out.

Windows XP guidance states this should be easy, I am logged on as the administrator, but I'm finding it very difficult.

Any help or suggestions would be very appreciated,

Thanks

[Old_Geezer]

You are in the right place. Unsure why it is greyed out. Does this help any ?
http://www.disk-partition.com/articles/new-simple-volume-greyed-out-4125.html

[TheChair]

Use Easeus Partition Master, which is both free and excellent.
http://www.easeus.com/partition-manager/epm-free.html