THANKS GUYS!! I didn't know these little boards were data sensitive. I put a 0x55 junk byte on the front of each data block and padded the first block out with 0x55 instead of zeroes -- and it works perfectly!! Jay -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads