Hello,ive got a 664 moded server.ive got the 534 also.its been awhile and im quite rusty.butthe server pack can only be used or moded as in keeping it a 534 or 464.be sure to recopy the sfc file and change its name each time you "tweak" your server.so as to insure you always have a good copy."incase of the inevidable screwups"