posted 03-06-2002 03:15 AM            

You could have at least told which two rooms you had figured out already.
Anyway, here are a couple;
Kitchen, used for preparing food and for sleeping by the cooks.
Document room, used for storing documents. I don't come across them too often, and don't know if they have a proper name. I'm sure they do.
Toilet, hung over outside walls(usually) and used for the obvious.
Great hall, used for entertaining, official business and sometimes sleeping.
Cellars, usually used for storage.
Stables, used for keeping horses and for sleeping by the grooms.
Lords chamber was sometimes to be found, used by the lord of the castle and his family for sleeping and some other private matters, but life in that time was very public.

There were often other rooms whose purpose could change. Knights, when in large numbers in a castle, often had a seperate hall for sleeping and general accommodation. Rooms in towers could hold prisoners, accommodate guards or store provisions.
Sometimes there was an armoury for storing arms and armour safely when not in use and if the lord was sufficiently wealthy could have had an armourer to keep it in top condition. He would have slept there also.