2.x firmware flash.layout as seen from /dev/mtd
From NAS-2000.org
cat /proc/mtd
| mtd0: | 00020000 | 00010000 | "RedBoot" |
| mtd1: | 00180000 | 00010000 | "Kernel" |
| mtd2: | 00200000 | 00010000 | "Ramdisk" |
| mtd3: | 00420000 | 00010000 | "Application" |
| mtd4: | 00010000 | 00010000 | "VCTL" |
| mtd5: | 00020000 | 00010000 | "CurConf" |
| mtd6: | 00010000 | 00002000 | "FIS directory" |
