how to set pci/agp locksz on k7n2 delta-L?

how to set locksz on k7n2 delta-L? i just got mine today
and i havent really turned on the comp but i read the manual, how do u lock the pci/agp locksz? i am busy makin a odd airy case ill posta pic when i can.

its locked now

pci is locked you cannot alter it at 33

agp will be 66

but you can change it

but i see no reason to touch i any way