mtd0                  0x900d0000,0x903e0000	rootfs
mtd1                  0x90020000,0x900d0000	Kernel
mtd2                  0x90000000,0x90020000	(ADAM2) 128K
mtd3                  0x903e0000,0x903f0000	64K
mtd4                  0x903f0000,0x90400000	(ADAM2 config?) 64K

(bit that've added)
mtd5	 	      0x90020000,0x903e0000