+++ zheng wei [05-04-09 11:17 +0800]: 'formatting' nand flash for yaffs is not really meaningful. Clearing the flash of data effectively formats it. You can use the nandutils tools for this if using linux. Wookey -- Aleph One Ltd, Bottisham, CAMBRIDGE, CB5 9BA, UK Tel +44 (0) 1223 811679 work: http://www.aleph1.co.uk/ play: http://www.chaos.org.uk/~wookey/