Hi, I'm very much a flash newbie having just got a Sandisk 256MB SD card yesterday to use in an iPAQ. My programming experience includes FAT file systems in a fair bit of detail. Does anyone know the size of an eraseable block on this? Is the unit for such a block known as the sector? Regards, Steven --------------------------------------------------------------------------------------- This mailing list is hosted by Toby Churchill open software (www.toby-churchill.org). If mailing list membership is no longer wanted you can remove yourself from the list by sending an email to yaffs-request@toby-churchill.org with the text "unsubscribe" (without the quotes) as the subject.