why/what/where/w00t... you saw recommended base is 56 for cIOS 249?
which revision is it?
How did you softmod your wii, where is your syscheck along with your question?
give some more info if you want help.
maybe read the FAQ in the softmod basics linked below.
new cIOS you can get in the cIOS as wads thread. there is a FAQ as well.