MMC ? http://216.239.51.100/search?q=cache:z0RFIHZVPUYC:www.sandisk.com/tech/oem_design/mmc/Initialization%2520to%2520SPI%2520Mode.doc+mmc+card+spi+mode&hl=en I had a link to working code + hardware but my browser crashed. I'll find it after I reindex the machines ... I don't seem to find it in Google now. Peter -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body