flash nand-64M-512 { pebsize = 16384 lebsize = 15360 numpebs = 4096 minimum-io-unit-size = 512 vid-header-offset = 512 sub-page-size = 512 } flash nor-64M-128k { pebsize = 131072 lebsize = 130944 numpebs = 256 minimum-io-unit-size = 1 vid-header-offset = 64 sub-page-size = 1 }