Hello Mike, Are you using SLC or MLC flash? Sven > I am on linux > 2.6.30. Yaffs is from May 2009. The nand flash > is 4 GB with block size 524288, page size 4096, OOB size > 128. The first approx. > 34 MB is used for uboot and kernel. The upgrade size is ~21 > MB, with around 500 > files. The /bin directory is not written to in the > upgrade. >