The TeraStation has a 4MB Flash which is used to store the bootloader, kernel, inital ramdisk and some configuration. It is mapped as follows:
| Device | Start | End | Size | Contents |
|---|---|---|---|---|
| /dev/mtd0 | 0x00000000 | 0x00300000 | 0x300000 | Flash update header + Kernel + Initial Ramdisk |
| /dev/mtd1 | 0x00300000 | 0x00370000 | 0x70000 | Bootloader |
| /dev/mtd2 | 0x00370000 | 0x00380000 | 0x10000 | Bootloader parameters |
| /dev/mtd3 | 0x00380000 | 0x00400000 | 0x80000 | TeraStation configuration backup |
| /dev/mtd4 | 0x00000000 | 0x00400000 | 0x400000 | Whole flash |