disneypremium
By not "hooked up" it means that you can have a FP for a FP ride and still be able to get a FP for another FP attraction. So you can get a FP for Pirates but still go over to Indy and get a FP, even if your FP has not began and it has not been 2 hours since you got the FP. It is not an advertised thing (by Disney at least) and they do change from time to time, so the only real way to find out is via these boards and of course to just try.