Interfacing to an MMC card using the SPI bus is not too terrible. The key is to keep sending the init command until it works. I wrote code to talk to them in C. Harold FCC Rules Online at http://www.hallikainen.com/FccRules/ ________________________________________________________________ Sign Up for Juno Platinum Internet Access Today Only $9.95 per month! Visit www.juno.com -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.